Fixed stdout output

versions of python

python/obitools3/apps/optiongroups/__init__.py

@@ -1,3 +1,9 @@
+import codecs
+
+def unescaped_str(arg_str):
+    return arg_str.encode('latin-1', 'backslashreplace').decode('unicode-escape')
+
+
 def __addInputOption(optionManager):
     
     optionManager.add_argument(
@@ -39,6 +45,30 @@ def __addImportInputOption(optionManager):
                      const=b'fastq',
                      help="Input file is in fastq format")
 
+    group.add_argument('--silva-input',
+                     action="store_const", dest="obi:inputformat",
+                     default=None,
+                     const=b'silva',
+                     help="Input file is in SILVA fasta format. If NCBI taxonomy provided with --taxonomy, taxid and scientific name will be added for each sequence.")
+
+    group.add_argument('--rdp-input',
+                     action="store_const", dest="obi:inputformat",
+                     default=None,
+                     const=b'rdp',
+                     help="Input file is in RDP training set fasta format. If NCBI taxonomy provided with --taxonomy, taxid and scientific name will be added for each sequence.")
+
+    group.add_argument('--unite-input',
+                     action="store_const", dest="obi:inputformat",
+                     default=None,
+                     const=b'unite',
+                     help="Input file is in UNITE fasta format. If NCBI taxonomy provided with --taxonomy, taxid and scientific name will be added for each sequence.")
+
+    group.add_argument('--sintax-input',
+                     action="store_const", dest="obi:inputformat",
+                     default=None,
+                     const=b'sintax',
+                     help="Input file is in SINTAX fasta format. If NCBI taxonomy provided with --taxonomy, taxid and scientific name will be added for each sequence.")
+
     group.add_argument('--embl-input',
                      action="store_const", dest="obi:inputformat",
                      default=None,
@@ -119,15 +149,15 @@ def __addImportInputOption(optionManager):
 def __addTabularOption(optionManager):
     group = optionManager.add_argument_group("Input and output format options for tabular files")
 
-    group.add_argument('--header',
-                     action="store_true", dest="obi:header",
-                     default=False,
-                     help="First line of tabular file contains column names")
+    group.add_argument('--no-header',
+                     action="store_false", dest="obi:header",
+                     default=True,
+                     help="Don't print the header (first line with column names")
 
     group.add_argument('--sep',
                      action="store", dest="obi:sep",
                      default="\t",
-                     type=str,
+                     type=unescaped_str,
                      help="Column separator")
 
 
@@ -159,6 +189,16 @@ def __addTabularInputOption(optionManager):
                      help="Lines starting by this char are considered as comment")
 
 
+def __addTabularOutputOption(optionManager):
+    group = optionManager.add_argument_group("Output format options for tabular files")
+    
+    __addTabularOption(optionManager)
+
+    group.add_argument('--na-int-stay-na',
+                     action="store_false", dest="obi:na_int_to_0",
+                     help="NA (Non available) integer values should be exported as NA in tabular output (default: they are converted to 0 for tabular output).") # TODO
+
+
 def __addTaxdumpInputOption(optionManager):  # TODO maybe not the best way to do it
     group = optionManager.add_argument_group("Input format options for taxdump")
 
@@ -192,6 +232,10 @@ def addTabularInputOption(optionManager):
     __addTabularInputOption(optionManager)
 
 
+def addTabularOutputOption(optionManager):
+    __addTabularOutputOption(optionManager)
+
+
 def addTaxonomyOption(optionManager):
     __addTaxonomyOption(optionManager)
 
@@ -204,6 +248,7 @@ def addAllInputOption(optionManager):
     __addInputOption(optionManager)
     __addImportInputOption(optionManager)
     __addTabularInputOption(optionManager)
+    __addTabularOutputOption(optionManager)
     __addTaxonomyOption(optionManager)
     __addTaxdumpInputOption(optionManager)    
 
@@ -264,6 +309,35 @@ def __addExportOutputOption(optionManager):
                      const=b'tabular',
                      help="Output file is in tabular format")
 
+    group.add_argument('--metabaR-output',
+                     action="store_const", dest="obi:outputformat",
+                     default=None,
+                     const=b'metabaR',
+                     help="Export the files needed by the obifiles_to_metabarlist function of the metabaR package")
+
+    group.add_argument('--metabaR-prefix',
+                     action="store", dest="obi:metabarprefix",
+                     type=str,
+                     help="Prefix for the files when using --metabaR-output option")
+
+    group.add_argument('--metabaR-ngsfilter',
+                     action="store", dest="obi:metabarngsfilter",
+                     type=str,
+                     default=None,
+                     help="URI to the ngsfilter view when using --metabaR-output option (if not provided, it is not exported)")
+
+    group.add_argument('--metabaR-samples',
+                     action="store", dest="obi:metabarsamples",
+                     type=str,
+                     default=None,
+                     help="URI to the sample metadata view when using --metabaR-output option (if not provided, it is built as just a list of the sample names)")
+
+    group.add_argument('--only-keys',
+                       action="append", dest="obi:only_keys",
+                       type=str,
+                       default=[],
+                       help="Only export the given keys (columns).")
+
     group.add_argument('--print-na',
                      action="store_true", dest="obi:printna",
                      default=False,
@@ -296,14 +370,14 @@ def addTabularOutputOption(optionManager):
 
 def addExportOutputOption(optionManager):
     __addExportOutputOption(optionManager)
-    __addTabularOption(optionManager)
+    __addTabularOutputOption(optionManager)
 
 
 def addAllOutputOption(optionManager):
     __addOutputOption(optionManager)
     __addDMSOutputOption(optionManager)
     __addExportOutputOption(optionManager)
-    __addTabularOption(optionManager)
+    __addTabularOutputOption(optionManager)
 
 
 def addNoProgressBarOption(optionManager):

python/obitools3/apps/progress.pyx

@@ -30,12 +30,12 @@ cdef class ProgressBar:
                  off_t maxi,
                  dict  config={},
                  str head="",
-                 double seconde=0.1,
+                 double seconds=5,
                  cut=False):
         
         self.starttime = self.clock()
         self.lasttime  = self.starttime
-        self.tickcount = <clock_t> (seconde * CLOCKS_PER_SEC)
+        self.tickcount = <clock_t> (seconds * CLOCKS_PER_SEC)
         self.freq      = 1
         self.cycle     = 0
         self.arrow     = 0

python/obitools3/commands/addtaxids.pyx

@@ -0,0 +1,231 @@
+#cython: language_level=3
+
+from obitools3.apps.progress cimport ProgressBar  # @UnresolvedImport
+from obitools3.dms import DMS
+from obitools3.dms.view.view cimport View, Line_selection
+from obitools3.uri.decode import open_uri
+from obitools3.apps.optiongroups import addMinimalInputOption, addTaxonomyOption, addMinimalOutputOption, addNoProgressBarOption
+from obitools3.dms.view import RollbackException
+from obitools3.dms.column.column cimport Column
+from functools import reduce
+from obitools3.apps.config import logger
+from obitools3.utils cimport tobytes, str2bytes, tostr
+from io import BufferedWriter
+from obitools3.dms.capi.obiview cimport NUC_SEQUENCE_COLUMN, \
+                                        ID_COLUMN, \
+                                        DEFINITION_COLUMN, \
+                                        QUALITY_COLUMN, \
+                                        COUNT_COLUMN, \
+                                        TAXID_COLUMN
+from obitools3.dms.capi.obitypes cimport OBI_INT
+from obitools3.dms.capi.obitaxonomy cimport MIN_LOCAL_TAXID
+import time
+import math 
+import sys
+
+from cpython.exc cimport PyErr_CheckSignals
+
+ 
+__title__="Annotate sequences with their corresponding NCBI taxid found from the taxon scientific name"
+
+
+ 
+def addOptions(parser):
+    
+    addMinimalInputOption(parser)
+    addTaxonomyOption(parser)
+    addMinimalOutputOption(parser)
+    addNoProgressBarOption(parser)
+
+    group=parser.add_argument_group('obi addtaxids specific options')
+
+    group.add_argument('-t', '--taxid-tag', 
+                       action="store", 
+                       dest="addtaxids:taxid_tag",
+                       metavar="<TAXID_TAG>",
+                       default=b"TAXID",
+                       help="Name of the tag to store the found taxid "
+                            "(default: 'TAXID').")
+
+    group.add_argument('-n', '--taxon-name-tag', 
+                       action="store", 
+                       dest="addtaxids:taxon_name_tag",
+                       metavar="<SCIENTIFIC_NAME_TAG>",
+                       default=b"SCIENTIFIC_NAME",
+                       help="Name of the tag giving the scientific name of the taxon "
+                            "(default: 'SCIENTIFIC_NAME').")
+
+    group.add_argument('-g', '--try-genus-match',
+                     action="store_true", dest="addtaxids:try_genus_match",
+                     default=False,
+                     help="Try matching the first word of <SCIENTIFIC_NAME_TAG> when can't find corresponding taxid for a taxon. "
+                          "If there is a match it is added in the 'parent_taxid' tag. (Can be used by 'obi taxonomy' to add the taxon under that taxid).")
+
+    group.add_argument('-a', '--restricting-ancestor', 
+                       action="store", 
+                       dest="addtaxids:restricting_ancestor",
+                       metavar="<RESTRICTING_ANCESTOR>",
+                       default=None,
+                       help="Enables to restrict the search of taxids under an ancestor specified by its taxid.")
+
+    group.add_argument('-l', '--log-file', 
+                       action="store", 
+                       dest="addtaxids:log_file",
+                       metavar="<LOG_FILE>",
+                       default='',
+                       help="Path to a log file to write informations about not found taxids.")
+
+
+def run(config):
+     
+    DMS.obi_atexit()
+    
+    logger("info", "obi addtaxids")
+
+    # Open the input
+    input = open_uri(config['obi']['inputURI'])
+    if input is None:
+        raise Exception("Could not read input view")
+    i_dms = input[0]
+    i_view = input[1]
+    i_view_name = input[1].name
+
+    # Open the output: only the DMS, as the output view is going to be created by cloning the input view
+    # (could eventually be done via an open_uri() argument)
+    output = open_uri(config['obi']['outputURI'],
+                      input=False,
+                      dms_only=True)
+    if output is None:
+        raise Exception("Could not create output view")
+    o_dms = output[0]
+    output_0 = output[0]
+    o_view_name = output[1]
+
+    # stdout output: create temporary view
+    if type(output_0)==BufferedWriter:
+        o_dms = i_dms
+        i=0
+        o_view_name = b"temp"
+        while o_view_name in i_dms: # Making sure view name is unique in output DMS
+            o_view_name = o_view_name+b"_"+str2bytes(str(i))
+            i+=1
+        imported_view_name = o_view_name
+
+    # If the input and output DMS are not the same, import the input view in the output DMS before cloning it to modify it
+    # (could be the other way around: clone and modify in the input DMS then import the new view in the output DMS)
+    if i_dms != o_dms:
+        imported_view_name = i_view_name
+        i=0
+        while imported_view_name in o_dms:  # Making sure view name is unique in output DMS
+            imported_view_name = i_view_name+b"_"+str2bytes(str(i))
+            i+=1
+        View.import_view(i_dms.full_path[:-7], o_dms.full_path[:-7], i_view_name, imported_view_name)
+        i_view = o_dms[imported_view_name]
+
+    # Clone output view from input view
+    o_view = i_view.clone(o_view_name)
+    if o_view is None:
+        raise Exception("Couldn't create output view")
+    i_view.close()
+
+    # Open taxonomy
+    taxo_uri = open_uri(config['obi']['taxoURI'])
+    if taxo_uri is None or taxo_uri[2] == bytes:
+        raise Exception("Couldn't open taxonomy")
+    taxo = taxo_uri[1]
+
+    # Initialize the progress bar
+    if config['obi']['noprogressbar'] == False:
+        pb = ProgressBar(len(o_view), config)
+    else:
+        pb = None
+        
+    try:
+        if config['addtaxids']['log_file']:
+            logfile = open(config['addtaxids']['log_file'], 'w')
+        else:
+            logfile = None
+        if config['addtaxids']['try_genus_match']:
+            try_genus = True
+        else:
+            try_genus = False
+        if 'restricting_ancestor' in config['addtaxids']:
+            res_anc = int(config['addtaxids']['restricting_ancestor'])
+        else:
+            res_anc = None
+        taxid_column_name = config['addtaxids']['taxid_tag']
+        parent_taxid_column_name = "PARENT_TAXID" # TODO macro
+        taxon_name_column_name = config['addtaxids']['taxon_name_tag']
+        taxid_column = Column.new_column(o_view, taxid_column_name, OBI_INT)
+        parent_taxid_column = Column.new_column(o_view, parent_taxid_column_name, OBI_INT)
+        taxon_name_column = o_view[taxon_name_column_name]
+        
+        found_count = 0
+        not_found_count = 0
+        parent_found_count = 0
+        
+        for i in range(len(o_view)):
+            PyErr_CheckSignals()
+            if pb is not None:
+                pb(i)
+            taxon_name = taxon_name_column[i]
+            taxon = taxo.get_taxon_by_name(taxon_name, res_anc)
+            if taxon is not None:
+                taxid_column[i] = taxon.taxid
+                found_count+=1
+            elif try_genus: # try finding genus or other parent taxon from the first word
+                #print(i, o_view[i].id)
+                taxon_name_sp = taxon_name.split(b" ")
+                taxon = taxo.get_taxon_by_name(taxon_name_sp[0], res_anc)
+                if taxon is not None:
+                    parent_taxid_column[i] = taxon.taxid
+                    parent_found_count+=1
+                    if logfile:
+                        print("Found parent taxon for", tostr(taxon_name), file=logfile)
+                else:
+                    not_found_count+=1
+                    if logfile:
+                        print("No taxid found for", tostr(taxon_name), file=logfile)
+            else:
+                not_found_count+=1
+                if logfile:
+                    print("No taxid found for", tostr(taxon_name), file=logfile)
+
+    except Exception, e:
+        raise RollbackException("obi addtaxids error, rollbacking view: "+str(e), o_view)
+
+    if pb is not None:
+        pb(i, force=True)
+        print("", file=sys.stderr)
+    
+    logger("info", "\nTaxids found: "+str(found_count)+"/"+str(len(o_view))+" ("+str(round(found_count*100.0/len(o_view), 2))+"%)")
+    if config['addtaxids']['try_genus_match']:
+        logger("info", "\nParent taxids found: "+str(parent_found_count)+"/"+str(len(o_view))+" ("+str(round(parent_found_count*100.0/len(o_view), 2))+"%)")
+    logger("info", "\nTaxids not found: "+str(not_found_count)+"/"+str(len(o_view))+" ("+str(round(not_found_count*100.0/len(o_view), 2))+"%)") 
+    
+    # Save command config in View and DMS comments
+    command_line = " ".join(sys.argv[1:])
+    input_dms_name=[input[0].name]
+    input_view_name=[i_view_name]
+    if 'taxoURI' in config['obi'] and config['obi']['taxoURI'] is not None:
+        input_dms_name.append(config['obi']['taxoURI'].split("/")[-3])
+        input_view_name.append("taxonomy/"+config['obi']['taxoURI'].split("/")[-1])
+    o_view.write_config(config, "addtaxids", command_line, input_dms_name=input_dms_name, input_view_name=input_view_name)
+    o_dms.record_command_line(command_line)
+
+    #print("\n\nOutput view:\n````````````", file=sys.stderr)
+    #print(repr(o_view), file=sys.stderr)
+
+    # stdout output: write to buffer
+    if type(output_0)==BufferedWriter:
+        logger("info", "Printing to output...")
+        o_view.print_to_output(output_0, noprogressbar=config['obi']['noprogressbar'])
+        o_view.close()
+
+    # If the input and the output DMS are different or if stdout output, delete the temporary imported view used to create the final view
+    if i_dms != o_dms or type(output_0)==BufferedWriter:
+        View.delete_view(o_dms, imported_view_name)
+        o_dms.close(force=True)
+    i_dms.close(force=True)
+
+    logger("info", "Done.")

python/obitools3/commands/align.pyx

@@ -4,7 +4,7 @@ from obitools3.apps.progress cimport ProgressBar  # @UnresolvedImport
 from obitools3.dms import DMS
 from obitools3.dms.view.view cimport View
 from obitools3.uri.decode import open_uri
-from obitools3.apps.optiongroups import addMinimalInputOption, addMinimalOutputOption
+from obitools3.apps.optiongroups import addMinimalInputOption, addMinimalOutputOption, addNoProgressBarOption
 from obitools3.dms.view import RollbackException
 from obitools3.apps.config import logger
 from obitools3.utils cimport tobytes, str2bytes
@@ -12,17 +12,21 @@ from obitools3.utils cimport tobytes, str2bytes
 from obitools3.dms.capi.obilcsalign cimport obi_lcs_align_one_column, \
                                             obi_lcs_align_two_columns
 
+from io import BufferedWriter
+from cpython.exc cimport PyErr_CheckSignals
+
 import time
 import sys
 
 
-__title__="Aligns one sequence column with itself or two sequence columns"
+__title__="Align one sequence column with itself or two sequence columns"
 
 
 def addOptions(parser):
    
    addMinimalInputOption(parser)
    addMinimalOutputOption(parser)
+   addNoProgressBarOption(parser)
 
    group=parser.add_argument_group('obi align specific options')
 
@@ -154,7 +158,7 @@ def run(config):
     i_view_name = i_uri.split(b"/")[0]
     i_column_name = b""
     i_element_name = b""
-    if len(i_uri.split(b"/")) == 2:
+    if len(i_uri.split(b"/")) >= 2:
         i_column_name = i_uri.split(b"/")[1]
     if len(i_uri.split(b"/")) == 3:
         i_element_name = i_uri.split(b"/")[2]
@@ -177,7 +181,7 @@ def run(config):
         i_dms_name_2 = i_dms_2.name
         i_uri_2 = input_2[1]
         original_i_view_name_2 = i_uri_2.split(b"/")[0]
-        if len(i_uri_2.split(b"/")) == 2:
+        if len(i_uri_2.split(b"/")) >= 2:
             i_column_name_2 = i_uri_2.split(b"/")[1]
         if len(i_uri_2.split(b"/")) == 3:
             i_element_name_2 = i_uri_2.split(b"/")[2]
@@ -201,20 +205,20 @@ def run(config):
     if output is None:
         raise Exception("Could not create output")
     o_dms = output[0]
+    output_0 = output[0]
     o_dms_name = o_dms.name 
     final_o_view_name = output[1]
+    o_view_name = final_o_view_name
 
-    # If the input and output DMS are not the same, align creating a temporary view in the input dms that will be exported to 
+    # If stdout output or the input and output DMS are not the same, align creating a temporary view in the input dms that will be exported to 
     # the right DMS and deleted in the other afterwards.
-    if i_dms != o_dms:
-        temporary_view_name = final_o_view_name
-        i=0
-        while temporary_view_name in i_dms:  # Making sure view name is unique in input DMS
-            temporary_view_name = final_o_view_name+b"_"+str2bytes(str(i))
+    if i_dms != o_dms or type(output_0)==BufferedWriter:
+        if type(output_0)==BufferedWriter:
+            o_dms = i_dms
+        o_view_name = b"temp"
+        while o_view_name in i_dms:   # Making sure view name is unique in input DMS
+            o_view_name = o_view_name+b"_"+str2bytes(str(i))
             i+=1
-        o_view_name = temporary_view_name
-    else:
-        o_view_name = final_o_view_name
         
     # Save command config in View comments
     command_line = " ".join(sys.argv[1:])
@@ -263,8 +267,15 @@ def run(config):
         View.delete_view(i_dms, i_view_name_2)
         i_dms_2.close()
 
+    # stdout output: write to buffer
+    if type(output_0)==BufferedWriter:
+        logger("info", "Printing to output...")
+        o_view = o_dms[o_view_name]
+        o_view.print_to_output(output_0, noprogressbar=config['obi']['noprogressbar'])
+        o_view.close()
+
     # If the input and the output DMS are different, delete the temporary result view in the input DMS
-    if i_dms != o_dms:
+    if i_dms != o_dms or type(output_0)==BufferedWriter:
         View.delete_view(i_dms, o_view_name)
         o_dms.close(force=True)
     

python/obitools3/commands/alignpairedend.pyx

@@ -6,7 +6,7 @@ from obitools3.dms.view.typed_view.view_NUC_SEQS cimport View_NUC_SEQS
 from obitools3.dms.column.column cimport Column
 from obitools3.dms.capi.obiview cimport QUALITY_COLUMN
 from obitools3.dms.capi.obitypes cimport OBI_QUAL
-from obitools3.apps.optiongroups import addMinimalInputOption, addMinimalOutputOption
+from obitools3.apps.optiongroups import addMinimalInputOption, addMinimalOutputOption, addNoProgressBarOption
 from obitools3.uri.decode import open_uri
 from obitools3.apps.config import logger
 from obitools3.libalign._qsassemble import QSolexaReverseAssemble
@@ -15,13 +15,15 @@ from obitools3.libalign._solexapairend import buildConsensus, buildJoinedSequenc
 from obitools3.dms.obiseq cimport Nuc_Seq
 from obitools3.libalign.shifted_ali cimport Kmer_similarity, Ali_shifted
 from obitools3.dms.capi.obiview cimport REVERSE_SEQUENCE_COLUMN, REVERSE_QUALITY_COLUMN
+from obitools3.utils cimport str2bytes
 
+from io import BufferedWriter
 import sys
 import os
 
 from cpython.exc cimport PyErr_CheckSignals
 
-__title__="Aligns paired-ended reads"
+__title__="Align paired-ended reads"
 
 
 
@@ -29,6 +31,7 @@ def addOptions(parser):
 
     addMinimalInputOption(parser)
     addMinimalOutputOption(parser)
+    addNoProgressBarOption(parser)
  
     group = parser.add_argument_group('obi alignpairedend specific options')
 
@@ -39,12 +42,13 @@ def addOptions(parser):
                      type=str,
                      help="URI to the reverse reads if they are in a different view than the forward reads")
 
-    group.add_argument('--score-min',
-                     action="store", dest="alignpairedend:smin",
-                     metavar="#.###",
-                     default=None,
-                     type=float,
-                     help="Minimum score for keeping alignments")
+#     group.add_argument('--score-min',
+#                      action="store", dest="alignpairedend:smin",
+#                      metavar="#.###",
+#                      default=None,
+#                      type=float,
+#                      help="Minimum score for keeping alignments. " 
+#                           "(for kmer alignment) The score is an approximation of the number of nucleotides matching in the overlap of the alignment.")
 
 #     group.add_argument('-A', '--true-ali',
 #                        action="store_true", dest="alignpairedend:trueali",
@@ -170,18 +174,29 @@ def run(config):
     if output is None:
         raise Exception("Could not create output view")
 
-    view = output[1]
+    output_0 = output[0]
+    o_dms = output[0]
     
-    Column.new_column(view, QUALITY_COLUMN, OBI_QUAL)   #TODO output URI quality option?
-
-    if 'smin' in config['alignpairedend']:
-        smin = config['alignpairedend']['smin']
+    # stdout output: create temporary view
+    if type(output_0)==BufferedWriter:
+        i_dms = forward.dms   # using any dms
+        o_dms = i_dms
+        i=0
+        o_view_name = b"temp"
+        while o_view_name in i_dms:   # Making sure view name is unique in input DMS
+            o_view_name = o_view_name+b"_"+str2bytes(str(i))
+            i+=1
+        o_view = View_NUC_SEQS.new(o_dms, o_view_name, quality=True)
     else:
-        smin = 0
+        o_view = output[1]
+        Column.new_column(o_view, QUALITY_COLUMN, OBI_QUAL)
 
     # Initialize the progress bar
-    pb = ProgressBar(entries_len, config, seconde=5)
-    
+    if config['obi']['noprogressbar'] == False:
+        pb = ProgressBar(entries_len, config)
+    else:
+        pb = None
+         
     #if config['alignpairedend']['trueali']:
     #    kmer_ali = False
     #    aligner = buildAlignment
@@ -190,34 +205,45 @@ def run(config):
     if type(entries) == list:
         forward = entries[0]
         reverse = entries[1]
-        aligner = Kmer_similarity(forward, \
-                                  view2=reverse, \
-                                  kmer_size=config['alignpairedend']['kmersize'], \
-                                  reversed_column=None)
+        if len(forward) == 0 or len(reverse) == 0:
+            aligner = None
+        else:
+            aligner = Kmer_similarity(forward, \
+                                      view2=reverse, \
+                                      kmer_size=config['alignpairedend']['kmersize'], \
+                                      reversed_column=None)
     else:
-        aligner = Kmer_similarity(entries, \
-                                  column2=entries[REVERSE_SEQUENCE_COLUMN], \
-                                  qual_column2=entries[REVERSE_QUALITY_COLUMN], \
-                                  kmer_size=config['alignpairedend']['kmersize'], \
-                                  reversed_column=entries[b'reversed'])  # column created by the ngsfilter tool
+        if len(entries) == 0:
+            aligner = None
+        else:
+            aligner = Kmer_similarity(entries, \
+                                      column2=entries[REVERSE_SEQUENCE_COLUMN], \
+                                      qual_column2=entries[REVERSE_QUALITY_COLUMN], \
+                                      kmer_size=config['alignpairedend']['kmersize'], \
+                                      reversed_column=entries[b'reversed'])  # column created by the ngsfilter tool
         
     ba = alignmentIterator(entries, aligner)
-
+    
     i = 0
     for ali in ba:
         
-        pb(i)
+        if pb is not None:
+            pb(i)
         
         PyErr_CheckSignals()
 
-        consensus = view[i]
+        consensus = o_view[i]
+        
+        if two_views:
+            consensus[b"R1_parent"] = forward[i].id
+            consensus[b"R2_parent"] = reverse[i].id
                
         if not two_views:
             seqF = entries[i]
         else:
             seqF = forward[i]
                         
-        if ali.score > smin and ali.consensus_len > 0 :
+        if ali.overlap_len > 0 :
             buildConsensus(ali, consensus, seqF)
         else:
             if not two_views:
@@ -225,32 +251,43 @@ def run(config):
             else:
                 seqR = reverse[i]
             buildJoinedSequence(ali, seqR, consensus, forward=seqF)
-        
-        consensus[b"smin"] = smin
-           
+                   
         if kmer_ali :
             ali.free()
     
         i+=1
 
-    pb(i, force=True)
-    print("", file=sys.stderr)
+    if pb is not None:
+        pb(i, force=True)
+        print("", file=sys.stderr)
 
-    if kmer_ali :
+    if kmer_ali and aligner is not None:
         aligner.free()
 
     # Save command config in View and DMS comments
     command_line = " ".join(sys.argv[1:])
-    view.write_config(config, "alignpairedend", command_line, input_dms_name=input_dms_name, input_view_name=input_view_name)
-    output[0].record_command_line(command_line)
+    o_view.write_config(config, "alignpairedend", command_line, input_dms_name=input_dms_name, input_view_name=input_view_name)
+    o_dms.record_command_line(command_line)
 
     #print("\n\nOutput view:\n````````````", file=sys.stderr)
     #print(repr(view), file=sys.stderr)
-    
+
+    # stdout output: write to buffer
+    if type(output_0)==BufferedWriter:
+        logger("info", "Printing to output...")
+        o_view.print_to_output(output_0, noprogressbar=config['obi']['noprogressbar'])
+        o_view.close()
+
+    # If stdout output, delete the temporary imported view used to create the final file
+    if type(output_0)==BufferedWriter:
+        View_NUC_SEQS.delete_view(o_dms, o_view_name)
+        output_0.close()
+
+    # Close all DMS
     input[0].close(force=True)
     if two_views:
         rinput[0].close(force=True)
-    output[0].close(force=True)
+    o_dms.close(force=True)
 
     logger("info", "Done.")
     

python/obitools3/commands/annotate.pyx

@@ -4,17 +4,20 @@ from obitools3.apps.progress cimport ProgressBar  # @UnresolvedImport
 from obitools3.dms import DMS
 from obitools3.dms.view.view cimport View, Line_selection
 from obitools3.uri.decode import open_uri
-from obitools3.apps.optiongroups import addMinimalInputOption, addTaxonomyOption, addMinimalOutputOption
+from obitools3.apps.optiongroups import addMinimalInputOption, addTaxonomyOption, addMinimalOutputOption, addNoProgressBarOption
 from obitools3.dms.view import RollbackException
 from functools import reduce
 from obitools3.apps.config import logger
 from obitools3.utils cimport tobytes, str2bytes
+from io import BufferedWriter
 from obitools3.dms.capi.obiview cimport NUC_SEQUENCE_COLUMN, \
                                         ID_COLUMN, \
                                         DEFINITION_COLUMN, \
                                         QUALITY_COLUMN, \
                                         COUNT_COLUMN, \
                                         TAXID_COLUMN
+from obitools3.dms.capi.obitypes cimport OBI_STR
+from obitools3.dms.column.column cimport Column
 
 import time
 import math 
@@ -34,6 +37,7 @@ def addOptions(parser):
     addMinimalInputOption(parser)
     addTaxonomyOption(parser)
     addMinimalOutputOption(parser)
+    addNoProgressBarOption(parser)
 
     group=parser.add_argument_group('obi annotate specific options')
  
@@ -185,6 +189,8 @@ def sequenceTaggerGenerator(config, taxo=None):
                     else:
                         scn=None
                     seq[rank]=rtaxid
+                    if "%s_name"%rank not in seq.view:
+                        Column.new_column(seq.view, "%s_name"%rank, OBI_STR)
                     seq["%s_name"%rank]=scn
              
         if add_rank:
@@ -278,8 +284,19 @@ def run(config):
     if output is None:
         raise Exception("Could not create output view")
     o_dms = output[0]
+    output_0 = output[0]
     o_view_name = output[1]
-    
+
+    # stdout output: create temporary view
+    if type(output_0)==BufferedWriter:
+        o_dms = i_dms
+        i=0
+        o_view_name = b"temp"
+        while o_view_name in i_dms: # Making sure view name is unique in output DMS
+            o_view_name = o_view_name+b"_"+str2bytes(str(i))
+            i+=1
+        imported_view_name = o_view_name
+
     # If the input and output DMS are not the same, import the input view in the output DMS before cloning it to modify it
     # (could be the other way around: clone and modify in the input DMS then import the new view in the output DMS)
     if i_dms != o_dms:
@@ -290,7 +307,7 @@ def run(config):
             i+=1
         View.import_view(i_dms.full_path[:-7], o_dms.full_path[:-7], i_view_name, imported_view_name)
         i_view = o_dms[imported_view_name]
-        
+
     # Clone output view from input view
     o_view = i_view.clone(o_view_name)
     if o_view is None:
@@ -307,7 +324,10 @@ def run(config):
         taxo = None
 
     # Initialize the progress bar
-    pb = ProgressBar(len(o_view), config, seconde=5)
+    if config['obi']['noprogressbar'] == False:
+        pb = ProgressBar(len(o_view), config)
+    else:
+        pb = None
 
     try:
 
@@ -346,14 +366,16 @@ def run(config):
         sequenceTagger = sequenceTaggerGenerator(config, taxo=taxo)
         for i in range(len(o_view)):
             PyErr_CheckSignals()
-            pb(i)
+            if pb is not None:
+                pb(i)
             sequenceTagger(o_view[i])
 
     except Exception, e:
         raise RollbackException("obi annotate error, rollbacking view: "+str(e), o_view)
 
-    pb(i, force=True)
-    print("", file=sys.stderr)
+    if pb is not None:
+        pb(i, force=True)
+        print("", file=sys.stderr)
     
     # Save command config in View and DMS comments
     command_line = " ".join(sys.argv[1:])
@@ -363,13 +385,19 @@ def run(config):
         input_dms_name.append(config['obi']['taxoURI'].split("/")[-3])
         input_view_name.append("taxonomy/"+config['obi']['taxoURI'].split("/")[-1])
     o_view.write_config(config, "annotate", command_line, input_dms_name=input_dms_name, input_view_name=input_view_name)
-    output[0].record_command_line(command_line)
+    o_dms.record_command_line(command_line)
 
     #print("\n\nOutput view:\n````````````", file=sys.stderr)
     #print(repr(o_view), file=sys.stderr)
 
-    # If the input and the output DMS are different, delete the temporary imported view used to create the final view
-    if i_dms != o_dms:
+    # stdout output: write to buffer
+    if type(output_0)==BufferedWriter:
+        logger("info", "Printing to output...")
+        o_view.print_to_output(output_0, noprogressbar=config['obi']['noprogressbar'])
+        o_view.close()
+
+    # If the input and the output DMS are different or if stdout output, delete the temporary imported view used to create the final view
+    if i_dms != o_dms or type(output_0)==BufferedWriter:
         View.delete_view(o_dms, imported_view_name)
         o_dms.close(force=True)
     i_dms.close(force=True)

python/obitools3/commands/build_ref_db.pyx

@@ -4,17 +4,19 @@ from obitools3.apps.progress cimport ProgressBar  # @UnresolvedImport
 from obitools3.dms.dms cimport DMS
 from obitools3.dms.view import RollbackException
 from obitools3.dms.capi.build_reference_db cimport build_reference_db
-from obitools3.apps.optiongroups import addMinimalInputOption, addTaxonomyOption, addMinimalOutputOption
+from obitools3.apps.optiongroups import addMinimalInputOption, addTaxonomyOption, addMinimalOutputOption, addNoProgressBarOption
 from obitools3.uri.decode import open_uri
 from obitools3.apps.config import logger
 from obitools3.utils cimport tobytes, str2bytes
 from obitools3.dms.view.view cimport View
 from obitools3.dms.view.typed_view.view_NUC_SEQS cimport View_NUC_SEQS
 
+from io import BufferedWriter
 import sys
+from cpython.exc cimport PyErr_CheckSignals
 
 
-__title__="Tag a set of sequences for PCR and sequencing errors identification"
+__title__="Build a reference database for ecotag"
 
 
 def addOptions(parser):
@@ -22,16 +24,16 @@ def addOptions(parser):
     addMinimalInputOption(parser)
     addTaxonomyOption(parser)
     addMinimalOutputOption(parser)
+    addNoProgressBarOption(parser)
  
     group = parser.add_argument_group('obi build_ref_db specific options')
 
     group.add_argument('--threshold','-t',
                       action="store", dest="build_ref_db:threshold",
                       metavar='<THRESHOLD>',
-                      default=0.0,
+                      default=0.99,
                       type=float,
-                      help="Score threshold as a normalized identity, e.g. 0.95 for an identity of 95%%. Default: 0.00"
-                           " (no threshold).")
+                      help="Score threshold as a normalized identity, e.g. 0.95 for an identity of 95%%. Default: 0.99.")
 
 
 def run(config):
@@ -56,17 +58,20 @@ def run(config):
     if output is None:
         raise Exception("Could not create output")
     o_dms = output[0]
+    output_0 = output[0]
     final_o_view_name = output[1]
     
-    # If the input and output DMS are not the same, build the database creating a temporary view that will be exported to 
+    # If stdout output or the input and output DMS are not the same, build the database creating a temporary view that will be exported to 
     # the right DMS and deleted in the other afterwards.
-    if i_dms != o_dms:
-        temporary_view_name = final_o_view_name
+    if i_dms != o_dms or type(output_0)==BufferedWriter:
+        temporary_view_name = b"temp"
         i=0
         while temporary_view_name in i_dms:  # Making sure view name is unique in input DMS
-            temporary_view_name = final_o_view_name+b"_"+str2bytes(str(i))
+            temporary_view_name = temporary_view_name+b"_"+str2bytes(str(i))
             i+=1
         o_view_name = temporary_view_name
+        if type(output_0)==BufferedWriter:
+            o_dms = i_dms
     else:
         o_view_name = final_o_view_name
 
@@ -80,22 +85,29 @@ def run(config):
     input_dms_name.append(config['obi']['taxoURI'].split("/")[-3])
     input_view_name.append("taxonomy/"+config['obi']['taxoURI'].split("/")[-1])
     comments = View.print_config(config, "build_ref_db", command_line, input_dms_name=input_dms_name, input_view_name=input_view_name)
-
+    
     if build_reference_db(i_dms.name_with_full_path, tobytes(i_view_name), tobytes(taxonomy_name), tobytes(o_view_name), comments, config['build_ref_db']['threshold']) < 0:
         raise Exception("Error building a reference database")
     
     # If the input and output DMS are not the same, export result view to output DMS
     if i_dms != o_dms:
         View.import_view(i_dms.full_path[:-7], o_dms.full_path[:-7], o_view_name, final_o_view_name)
-    
+
+    # stdout output: write to buffer
+    if type(output_0)==BufferedWriter:
+        logger("info", "Printing to output...")
+        o_view = o_dms[o_view_name]
+        o_view.print_to_output(output_0, noprogressbar=config['obi']['noprogressbar'])
+        o_view.close()
+
     # Save command config in DMS comments
     o_dms.record_command_line(command_line)
 
     #print("\n\nOutput view:\n````````````", file=sys.stderr)
     #print(repr(o_dms[final_o_view_name]), file=sys.stderr)
 
-    # If the input and the output DMS are different, delete the temporary result view in the input DMS
-    if i_dms != o_dms:
+    # If the input and the output DMS are different or if stdout output, delete the temporary imported view used to create the final view
+    if i_dms != o_dms or type(output_0)==BufferedWriter:
         View.delete_view(i_dms, o_view_name)
         o_dms.close(force=True)
     

python/obitools3/commands/cat.pyx

@@ -4,7 +4,7 @@ from obitools3.apps.progress cimport ProgressBar  # @UnresolvedImport
 from obitools3.dms import DMS
 from obitools3.dms.view.view cimport View
 from obitools3.uri.decode import open_uri
-from obitools3.apps.optiongroups import addMinimalOutputOption
+from obitools3.apps.optiongroups import addMinimalOutputOption, addNoProgressBarOption
 from obitools3.dms.view import RollbackException
 from obitools3.apps.config import logger
 from obitools3.utils cimport str2bytes
@@ -15,18 +15,20 @@ from obitools3.dms.capi.obiview cimport NUC_SEQUENCE_COLUMN, REVERSE_SEQUENCE_CO
 from obitools3.dms.capi.obitypes cimport OBI_SEQ, OBI_QUAL
 from obitools3.dms.column.column cimport Column
 
+from io import BufferedWriter
 import time
 import sys
  
 from cpython.exc cimport PyErr_CheckSignals
 
 
-__title__="Concatenate views."
+__title__="Concatenate views"
 
  
 def addOptions(parser):
     
     addMinimalOutputOption(parser)
+    addNoProgressBarOption(parser)
 
     group=parser.add_argument_group('obi cat specific options')
 
@@ -46,9 +48,9 @@ def run(config):
     
     logger("info", "obi cat")
 
-    # Open the views to concatenate
-    iview_list = []
+    # Check the views to concatenate
     idms_list = []
+    iview_list = []
     total_len = 0
     remove_qual = False
     remove_rev_qual = False
@@ -66,8 +68,9 @@ def run(config):
         if REVERSE_QUALITY_COLUMN not in i_view: # same as above for reverse quality
             remove_rev_qual = True
         total_len += len(i_view)
-        iview_list.append(i_view)
         idms_list.append(i_dms)
+        iview_list.append(i_view.name)
+        i_view.close()
 
     # Open the output: only the DMS
     output = open_uri(config['obi']['outputURI'],
@@ -76,57 +79,83 @@ def run(config):
     if output is None:
         raise Exception("Could not create output view")
     o_dms = output[0]
+    output_0 = output[0]
     o_view = output[1]
     
+    # stdout output
+    if type(output_0)==BufferedWriter: 
+        o_dms = i_dms
+    
     # Initialize quality columns and their associated sequence columns if needed
-    if not remove_qual:
-        if NUC_SEQUENCE_COLUMN not in o_view:
-            Column.new_column(o_view, NUC_SEQUENCE_COLUMN, OBI_SEQ)
-        Column.new_column(o_view, QUALITY_COLUMN, OBI_QUAL, associated_column_name=NUC_SEQUENCE_COLUMN, associated_column_version=o_view[NUC_SEQUENCE_COLUMN].version)    
-    if not remove_rev_qual:
-        Column.new_column(o_view, REVERSE_SEQUENCE_COLUMN, OBI_SEQ)
-        Column.new_column(o_view, REVERSE_QUALITY_COLUMN, OBI_QUAL, associated_column_name=REVERSE_SEQUENCE_COLUMN, associated_column_version=o_view[REVERSE_SEQUENCE_COLUMN].version)
+    if type(output_0) != BufferedWriter: 
+        if not remove_qual:
+            if NUC_SEQUENCE_COLUMN not in o_view:
+                Column.new_column(o_view, NUC_SEQUENCE_COLUMN, OBI_SEQ)
+            Column.new_column(o_view, QUALITY_COLUMN, OBI_QUAL, associated_column_name=NUC_SEQUENCE_COLUMN, associated_column_version=o_view[NUC_SEQUENCE_COLUMN].version)    
+        if not remove_rev_qual:
+            Column.new_column(o_view, REVERSE_SEQUENCE_COLUMN, OBI_SEQ)
+            Column.new_column(o_view, REVERSE_QUALITY_COLUMN, OBI_QUAL, associated_column_name=REVERSE_SEQUENCE_COLUMN, associated_column_version=o_view[REVERSE_SEQUENCE_COLUMN].version)
         
     # Initialize multiple elements columns
-    dict_cols = {}
-    for v in iview_list:
-        for coln in v.keys():
-            if v[coln].nb_elements_per_line > 1:
-                if coln not in dict_cols:
-                    dict_cols[coln] = {}
-                    dict_cols[coln]['eltnames'] = set(v[coln].elements_names)
-                    dict_cols[coln]['nbelts'] = v[coln].nb_elements_per_line
-                    dict_cols[coln]['obitype'] = v[coln].data_type_int
-                else:
-                    dict_cols[coln]['eltnames'] = set(v[coln].elements_names + list(dict_cols[coln]['eltnames']))
-                    dict_cols[coln]['nbelts'] = len(dict_cols[coln]['eltnames'])
-    for coln in dict_cols:
-        Column.new_column(o_view, coln, dict_cols[coln]['obitype'], 
-                          nb_elements_per_line=dict_cols[coln]['nbelts'], elements_names=list(dict_cols[coln]['eltnames']))
+    if type(output_0)!=BufferedWriter: 
+        dict_cols = {}
+        for v_uri in config["cat"]["views_to_cat"]:
+            v = open_uri(v_uri)[1]
+            for coln in v.keys():
+                col = v[coln]
+                if v[coln].nb_elements_per_line > 1:
+                    if coln not in dict_cols:
+                        dict_cols[coln] = {}
+                        dict_cols[coln]['eltnames'] = set(v[coln].elements_names)
+                        dict_cols[coln]['nbelts'] = v[coln].nb_elements_per_line
+                        dict_cols[coln]['obitype'] = v[coln].data_type_int
+                    else:
+                        dict_cols[coln]['eltnames'] = set(v[coln].elements_names + list(dict_cols[coln]['eltnames']))
+                        dict_cols[coln]['nbelts'] = len(dict_cols[coln]['eltnames'])
+            v.close()            
+        for coln in dict_cols:
+            Column.new_column(o_view, coln, dict_cols[coln]['obitype'], 
+                              nb_elements_per_line=dict_cols[coln]['nbelts'], elements_names=list(dict_cols[coln]['eltnames']), dict_column=True)
     
     # Initialize the progress bar
-    pb = ProgressBar(total_len, config, seconde=5)
+    if not config['obi']['noprogressbar']:
+        pb = ProgressBar(total_len, config)
+    else:
+        pb = None
     
     i = 0
-    for v in iview_list:
-        for l in v:
+    for v_uri in config["cat"]["views_to_cat"]:
+        v = open_uri(v_uri)[1]
+        for entry in v:
             PyErr_CheckSignals()
-            pb(i)
-            o_view[i] = l
+            if pb is not None:
+                pb(i)
+            if type(output_0)==BufferedWriter: 
+                rep = repr(entry)
+                output_0.write(str2bytes(rep)+b"\n")
+            else:
+                try:
+                    o_view[i] = entry
+                except:
+                    print("\nError with entry:", repr(entry))
+                    print(repr(o_view))
             i+=1
+        v.close()
 
     # Deletes quality columns if needed
-    if QUALITY_COLUMN in o_view and remove_qual :
-        o_view.delete_column(QUALITY_COLUMN)
-    if REVERSE_QUALITY_COLUMN in o_view and remove_rev_qual :
-        o_view.delete_column(REVERSE_QUALITY_COLUMN)
-
-    pb(i, force=True)
-    print("", file=sys.stderr)
+    if type(output_0)!=BufferedWriter: 
+        if QUALITY_COLUMN in o_view and remove_qual :
+            o_view.delete_column(QUALITY_COLUMN)
+        if REVERSE_QUALITY_COLUMN in o_view and remove_rev_qual :
+            o_view.delete_column(REVERSE_QUALITY_COLUMN)
+    
+    if pb is not None:
+        pb(i, force=True)
+        print("", file=sys.stderr)
     
     # Save command config in DMS comments
     command_line = " ".join(sys.argv[1:])
-    o_view.write_config(config, "cat", command_line, input_dms_name=[d.name for d in idms_list], input_view_name=[v.name for v in iview_list])
+    o_view.write_config(config, "cat", command_line, input_dms_name=[d.name for d in idms_list], input_view_name=[vname for vname in iview_list])
     o_dms.record_command_line(command_line)
 
     #print("\n\nOutput view:\n````````````", file=sys.stderr)

python/obitools3/commands/clean.pyx

@@ -4,13 +4,14 @@ from obitools3.apps.progress cimport ProgressBar  # @UnresolvedImport
 from obitools3.dms.dms cimport DMS
 from obitools3.dms.view import RollbackException
 from obitools3.dms.capi.obiclean cimport obi_clean
-from obitools3.apps.optiongroups import addMinimalInputOption, addMinimalOutputOption
+from obitools3.apps.optiongroups import addMinimalInputOption, addMinimalOutputOption, addNoProgressBarOption
 from obitools3.uri.decode import open_uri
 from obitools3.apps.config import logger
 from obitools3.utils cimport tobytes, str2bytes
 from obitools3.dms.view.view cimport View
 from obitools3.dms.view.typed_view.view_NUC_SEQS cimport View_NUC_SEQS
 
+from io import BufferedWriter
 import sys
 
 
@@ -21,7 +22,8 @@ def addOptions(parser):
 
     addMinimalInputOption(parser)
     addMinimalOutputOption(parser)
- 
+    addNoProgressBarOption(parser)
+    
     group = parser.add_argument_group('obi clean specific options')
 
     group.add_argument('--distance', '-d',
@@ -36,8 +38,7 @@ def addOptions(parser):
                        dest="clean:sample-tag-name",
                        metavar="<SAMPLE TAG NAME>",
                        type=str,
-                       default="merged_sample",
-                       help="Name of the tag where sample counts are kept.")
+                       help="Name of the tag where merged sample count informations are kept (typically generated by obi uniq, usually MERGED_sample, default: None).")
     
     group.add_argument('--ratio', '-r',
                        action="store", dest="clean:ratio",
@@ -53,11 +54,11 @@ def addOptions(parser):
                        default=False,
                        help="Only sequences labeled as heads are kept in the output. Default: False")
 
-    group.add_argument('--cluster-tags', '-C',
-                       action="store_true", 
-                       dest="clean:cluster-tags",
-                       default=False,
-                       help="Adds tags for each sequence giving its cluster's head and weight for each sample.")
+#    group.add_argument('--cluster-tags', '-C',
+#                       action="store_true", 
+#                       dest="clean:cluster-tags",
+#                       default=False,
+#                       help="Adds tags for each sequence giving its cluster's head and weight for each sample.")
 
     group.add_argument('--thread-count','-p',   # TODO should probably be in a specific option group
                        action="store", dest="clean:thread-count",
@@ -89,17 +90,20 @@ def run(config):
     if output is None:
         raise Exception("Could not create output")
     o_dms = output[0]
+    output_0 = output[0]
     final_o_view_name = output[1]
     
-    # If the input and output DMS are not the same, run obiclean creating a temporary view that will be exported to 
+    # If stdout output or the input and output DMS are not the same, create a temporary view that will be exported to 
     # the right DMS and deleted in the other afterwards.
-    if i_dms != o_dms:
-        temporary_view_name = final_o_view_name
+    if i_dms != o_dms or type(output_0)==BufferedWriter:
+        temporary_view_name = b"temp"
         i=0
         while temporary_view_name in i_dms:  # Making sure view name is unique in input DMS
-            temporary_view_name = final_o_view_name+b"_"+str2bytes(str(i))
+            temporary_view_name = temporary_view_name+b"_"+str2bytes(str(i))
             i+=1
         o_view_name = temporary_view_name
+        if type(output_0)==BufferedWriter:
+            o_dms = i_dms
     else:
         o_view_name = final_o_view_name
         
@@ -107,6 +111,9 @@ def run(config):
     command_line = " ".join(sys.argv[1:])
     comments = View.print_config(config, "clean", command_line, input_dms_name=[i_dms_name], input_view_name=[i_view_name])
 
+    if 'sample-tag-name' not in config['clean']:
+        config['clean']['sample-tag-name'] = ""
+        
     if obi_clean(i_dms.name_with_full_path, tobytes(i_view_name), tobytes(config['clean']['sample-tag-name']), tobytes(o_view_name), comments, \
               config['clean']['distance'], config['clean']['ratio'], config['clean']['heads-only'], config['clean']['thread-count']) < 0:
         raise Exception("Error running obiclean")
@@ -114,18 +121,26 @@ def run(config):
     # If the input and output DMS are not the same, export result view to output DMS
     if i_dms != o_dms:
         View.import_view(i_dms.full_path[:-7], o_dms.full_path[:-7], o_view_name, final_o_view_name)
-    
+
+    # stdout output: write to buffer
+    if type(output_0)==BufferedWriter:
+        logger("info", "Printing to output...")
+        o_view = o_dms[o_view_name]
+        o_view.print_to_output(output_0, noprogressbar=config['obi']['noprogressbar'])
+        o_view.close()
+
     # Save command config in DMS comments
     o_dms.record_command_line(command_line)
 
     #print("\n\nOutput view:\n````````````", file=sys.stderr)
     #print(repr(o_dms[final_o_view_name]), file=sys.stderr)
 
-    # If the input and the output DMS are different, delete the temporary result view in the input DMS
-    if i_dms != o_dms:
+    # If the input and the output DMS are different or if stdout output, delete the temporary imported view used to create the final view
+    if i_dms != o_dms or type(output_0)==BufferedWriter:
         View.delete_view(i_dms, o_view_name)
         o_dms.close(force=True)
     
     i_dms.close(force=True)
 
-    logger("info", "Done.")
+    logger("info", "Done.")
+    

python/obitools3/commands/count.pyx

@@ -10,7 +10,7 @@ from obitools3.dms.capi.obiview cimport COUNT_COLUMN
 from cpython.exc cimport PyErr_CheckSignals
 
 
-__title__="Counts sequence records"
+__title__="Count sequence records"
 
  
 def addOptions(parser):
@@ -22,13 +22,19 @@ def addOptions(parser):
     group.add_argument('-s','--sequence',
                         action="store_true", dest="count:sequence",
                         default=False,
-                        help="Prints only the number of sequence records.")
+                        help="Prints only the number of sequence records (much faster, default: False).")
  
     group.add_argument('-a','--all',
                         action="store_true", dest="count:all",
                         default=False,
                         help="Prints only the total count of sequence records (if a sequence has no `count` attribute, its default count is 1) (default: False).")
 
+    group.add_argument('-c','--count-tag',
+                        action="store", dest="count:countcol",
+                        default='COUNT',
+                        type=str,
+                        help="Name of the tag/column associated with the count information (default: COUNT).")
+
     
 def run(config):
     
@@ -41,18 +47,20 @@ def run(config):
     if input is None:
         raise Exception("Could not read input")
     entries = input[1]
-
+    
+    countcol = config['count']['countcol'] 
+    
     count1 = len(entries)
     count2 = 0
     
-    if COUNT_COLUMN in entries and ((config['count']['sequence'] == config['count']['all']) or (config['count']['all'])) :
+    if countcol in entries and ((config['count']['sequence'] == config['count']['all']) or (config['count']['all'])) :
         for e in entries:
             PyErr_CheckSignals()
-            count2+=e[COUNT_COLUMN]
+            count2+=e[countcol]
 
-    if COUNT_COLUMN in entries and (config['count']['sequence'] == config['count']['all']):
+    if countcol in entries and (config['count']['sequence'] == config['count']['all']):
         print(count1,count2)
-    elif COUNT_COLUMN in entries and config['count']['all']:
+    elif countcol in entries and config['count']['all']:
         print(count2)
     else:
         print(count1)

python/obitools3/commands/ecopcr.pyx

@@ -5,10 +5,10 @@ from obitools3.dms.dms cimport DMS
 from obitools3.dms.capi.obidms cimport OBIDMS_p
 from obitools3.dms.view import RollbackException
 from obitools3.dms.capi.obiecopcr cimport obi_ecopcr
-from obitools3.apps.optiongroups import addMinimalInputOption, addMinimalOutputOption, addTaxonomyOption
+from obitools3.apps.optiongroups import addMinimalInputOption, addMinimalOutputOption, addTaxonomyOption, addNoProgressBarOption
 from obitools3.uri.decode import open_uri
 from obitools3.apps.config import logger
-from obitools3.utils cimport tobytes
+from obitools3.utils cimport tobytes, str2bytes
 from obitools3.dms.view.typed_view.view_NUC_SEQS cimport View_NUC_SEQS
 from obitools3.dms.view import View
 
@@ -16,6 +16,7 @@ from libc.stdlib  cimport malloc, free
 from libc.stdint  cimport int32_t
 
 import sys
+from io import BufferedWriter
 
 
 __title__="in silico PCR"
@@ -27,6 +28,7 @@ def addOptions(parser):
     addMinimalInputOption(parser)
     addTaxonomyOption(parser)
     addMinimalOutputOption(parser)
+    addNoProgressBarOption(parser)
 
  
     group = parser.add_argument_group('obi ecopcr specific options')
@@ -169,11 +171,28 @@ def run(config):
     if output is None:
         raise Exception("Could not create output")
     o_dms = output[0]
+    output_0 = output[0]
     o_dms_name = output[0].name
     o_view_name = output[1]
 
+    # Open the taxonomy DMS
+    taxdms = open_uri(config['obi']['taxoURI'],
+                     dms_only=True)
+    if taxdms is None:
+        raise Exception("Could not open taxonomy DMS")
+    tax_dms = taxdms[0]
+    tax_dms_name = taxdms[0].name
+    
     # Read taxonomy name    
     taxonomy_name = config['obi']['taxoURI'].split("/")[-1]   # Robust in theory
+
+    # If stdout output create a temporary view in the input dms that will be deleted afterwards.
+    if type(output_0)==BufferedWriter:
+        o_dms = i_dms
+        o_view_name = b"temp"
+        while o_view_name in i_dms:   # Making sure view name is unique in input DMS
+            o_view_name = o_view_name+b"_"+str2bytes(str(i))
+            i+=1
     
     # Save command config in View comments
     command_line = " ".join(sys.argv[1:])
@@ -186,7 +205,8 @@ def run(config):
 
     # TODO: primers in comments?
 
-    if obi_ecopcr(i_dms.name_with_full_path, tobytes(i_view_name), tobytes(taxonomy_name), \
+    if obi_ecopcr(i_dms.name_with_full_path, tobytes(i_view_name), 
+                  tax_dms.name_with_full_path, tobytes(taxonomy_name), \
                   o_dms.name_with_full_path, tobytes(o_view_name), comments, \
                   tobytes(config['ecopcr']['primer1']), tobytes(config['ecopcr']['primer2']), \
                   config['ecopcr']['error'], \
@@ -201,10 +221,21 @@ def run(config):
 
     free(restrict_to_taxids_p)
     free(ignore_taxids_p)
-    
+
+    # stdout output: write to buffer
+    if type(output_0)==BufferedWriter:
+        logger("info", "Printing to output...")
+        o_view = o_dms[o_view_name]
+        o_view.print_to_output(output_0, noprogressbar=config['obi']['noprogressbar'])
+        o_view.close()
+
     #print("\n\nOutput view:\n````````````", file=sys.stderr)
     #print(repr(o_dms[o_view_name]), file=sys.stderr)
 
+    # If stdout output, delete the temporary result view in the input DMS
+    if type(output_0)==BufferedWriter:
+        View.delete_view(i_dms, o_view_name)
+
     i_dms.close(force=True)
     o_dms.close(force=True)
 

python/obitools3/commands/ecotag.pyx

@@ -4,7 +4,7 @@ from obitools3.apps.progress cimport ProgressBar  # @UnresolvedImport
 from obitools3.dms.dms cimport DMS
 from obitools3.dms.view import RollbackException
 from obitools3.dms.capi.obiecotag cimport obi_ecotag
-from obitools3.apps.optiongroups import addMinimalInputOption, addTaxonomyOption, addMinimalOutputOption
+from obitools3.apps.optiongroups import addMinimalInputOption, addTaxonomyOption, addMinimalOutputOption, addNoProgressBarOption
 from obitools3.uri.decode import open_uri
 from obitools3.apps.config import logger
 from obitools3.utils cimport tobytes, str2bytes
@@ -12,6 +12,7 @@ from obitools3.dms.view.view cimport View
 from obitools3.dms.view.typed_view.view_NUC_SEQS cimport View_NUC_SEQS
 
 import sys
+from io import BufferedWriter
 
 
 __title__="Taxonomic assignment of sequences"
@@ -22,6 +23,7 @@ def addOptions(parser):
     addMinimalInputOption(parser)
     addTaxonomyOption(parser)
     addMinimalOutputOption(parser)
+    addNoProgressBarOption(parser)
  
     group = parser.add_argument_group('obi ecotag specific options')
 
@@ -39,6 +41,17 @@ def addOptions(parser):
                       help="Minimum identity to consider for assignment, as a normalized identity, e.g. 0.95 for an identity of 95%%. "
                            "Default: 0.00 (no threshold).")
 
+    group.add_argument('--minimum-circle','-c',
+                      action="store", dest="ecotag:bubble_threshold",
+                      metavar='<CIRCLE_THRESHOLD>',
+                      default=0.99,
+                      type=float,
+                      help="Minimum identity considered for the assignment circle "
+                           "(sequence is assigned to the LCA of all sequences within a similarity circle of the best matches; "
+                           "the threshold for this circle is the highest value between <CIRCLE_THRESHOLD> and the best assignment score found for the query sequence). "
+                           "Give value as a normalized identity, e.g. 0.95 for an identity of 95%%. "
+                           "Default: 0.99.")
+
 def run(config):
         
     DMS.obi_atexit()
@@ -64,9 +77,8 @@ def run(config):
     ref_view_name = ref[1]
 
     # Check that the threshold demanded is greater than or equal to the threshold used to build the reference database
-    if config['ecotag']['threshold'] < eval(ref_dms[ref_view_name].comments["ref_db_threshold"]) :
-        print("Error: The threshold demanded (%f) is lower than the threshold used to build the reference database (%f).", 
-              config['ecotag']['threshold'], ref_dms[ref_view_name].comments["ref_db_threshold"])
+    if config['ecotag']['bubble_threshold'] < eval(ref_dms[ref_view_name].comments["ref_db_threshold"]) :
+        raise Exception(f"Error: The threshold demanded ({config['ecotag']['bubble_threshold']}) is lower than the threshold used to build the reference database ({float(ref_dms[ref_view_name].comments['ref_db_threshold'])}).")
     
     # Open the output: only the DMS
     output = open_uri(config['obi']['outputURI'],
@@ -75,17 +87,19 @@ def run(config):
     if output is None:
         raise Exception("Could not create output")
     o_dms = output[0]
+    output_0 = output[0]
     final_o_view_name = output[1]
     
-    # If the input and output DMS are not the same, run ecotag creating a temporary view that will be exported to 
-    # the right DMS and deleted in the other afterwards.
-    if i_dms != o_dms:
-        temporary_view_name = final_o_view_name
+    # If stdout output or the input and output DMS are not the same, create a temporary view that will be exported and deleted.
+    if i_dms != o_dms or type(output_0)==BufferedWriter:
+        temporary_view_name = b"temp"
         i=0
         while temporary_view_name in i_dms:  # Making sure view name is unique in input DMS
-            temporary_view_name = final_o_view_name+b"_"+str2bytes(str(i))
+            temporary_view_name = temporary_view_name+b"_"+str2bytes(str(i))
             i+=1
         o_view_name = temporary_view_name
+        if type(output_0)==BufferedWriter:
+            o_dms = i_dms
     else:
         o_view_name = final_o_view_name
 
@@ -109,8 +123,9 @@ def run(config):
     if obi_ecotag(i_dms.name_with_full_path, tobytes(i_view_name), \
                   ref_dms.name_with_full_path, tobytes(ref_view_name), \
                   taxo_dms.name_with_full_path, tobytes(taxonomy_name), \
-                  tobytes(o_view_name), comments, 
-                  config['ecotag']['threshold']) < 0:
+                  tobytes(o_view_name), comments, \
+                  config['ecotag']['threshold'], \
+                  config['ecotag']['bubble_threshold']) < 0:
         raise Exception("Error running ecotag")
     
     # If the input and output DMS are not the same, export result view to output DMS
@@ -120,11 +135,18 @@ def run(config):
     # Save command config in DMS comments
     o_dms.record_command_line(command_line)
 
+    # stdout output: write to buffer
+    if type(output_0)==BufferedWriter:
+        logger("info", "Printing to output...")
+        o_view = o_dms[o_view_name]
+        o_view.print_to_output(output_0, noprogressbar=config['obi']['noprogressbar'])
+        o_view.close()
+
     #print("\n\nOutput view:\n````````````", file=sys.stderr)
     #print(repr(o_dms[final_o_view_name]), file=sys.stderr)
 
-    # If the input and the output DMS are different, delete the temporary result view in the input DMS
-    if i_dms != o_dms:
+    # If the input and the output DMS are different or if stdout output, delete the temporary imported view used to create the final view
+    if i_dms != o_dms or type(output_0)==BufferedWriter:
         View.delete_view(i_dms, o_view_name)
         o_dms.close(force=True)
     

python/obitools3/commands/export.pyx

@@ -6,6 +6,9 @@ from obitools3.apps.config import logger
 from obitools3.dms import DMS
 from obitools3.dms.obiseq import Nuc_Seq
 from obitools3.dms.capi.obiview cimport QUALITY_COLUMN
+from obitools3.writers.tab import TabWriter
+from obitools3.format.tab import TabFormat
+from obitools3.utils cimport tobytes, tostr
 
 from obitools3.apps.optiongroups import addMinimalInputOption, \
                                         addExportOutputOption, \
@@ -74,8 +77,15 @@ def run(config):
     if config['obi']['noprogressbar']:
         pb = None
     else:
-        pb = ProgressBar(withoutskip - skip, config, seconde=5)
+        pb = ProgressBar(withoutskip - skip, config)
 
+    if config['obi']['outputformat'] == b'metabaR':
+        # Check prefix
+        if "metabarprefix" not in config["obi"]:
+            raise Exception("Prefix needed when exporting for metabaR (--metabaR-prefix option)")
+        else:
+            metabaRprefix = config["obi"]["metabarprefix"]
+        
     i=0
     for seq in iview :
         PyErr_CheckSignals()
@@ -89,7 +99,82 @@ def run(config):
 
     if pb is not None:
         pb(i, force=True)
-    print("", file=sys.stderr)
+        print("", file=sys.stderr)
+
+    if config['obi']['outputformat'] == b'metabaR':
+        
+        # Export ngsfilter file if view provided
+        if 'metabarngsfilter' in config['obi']:
+            ngsfilter_input = open_uri(config['obi']['metabarngsfilter'])
+            if ngsfilter_input is None:
+                raise Exception("Could not read ngsfilter view for metabaR output")
+            ngsfilter_view = ngsfilter_input[1]
+    
+            ngsfilter_output = open(config['obi']['metabarprefix']+'.ngsfilter', 'w')
+            
+            for line in ngsfilter_view:
+
+                line_to_print = b""                
+                line_to_print += line[b'experiment']
+                line_to_print += b"\t"
+                line_to_print += line[b'sample']
+                line_to_print += b"\t"
+                line_to_print += line[b'forward_tag']
+                line_to_print += b":"
+                line_to_print += line[b'reverse_tag']
+                line_to_print += b"\t"
+                line_to_print += line[b'forward_primer']
+                line_to_print += b"\t"
+                line_to_print += line[b'reverse_primer']
+                line_to_print += b"\t"
+                line_to_print += line[b'additional_info']
+                
+                print(tostr(line_to_print), file=ngsfilter_output)
+            
+            if ngsfilter_input[0] != input[0]:
+                ngsfilter_input[0].close()
+            ngsfilter_output.close()
+            
+        # Export sample metadata
+        samples_output = open(config['obi']['metabarprefix']+'_samples.csv', 'w')
+
+        # Export sample metadata file if view provided
+        if 'metabarsamples' in config['obi']:
+            samples_input = open_uri(config['obi']['metabarsamples'])
+            if samples_input is None:
+                raise Exception("Could not read sample view for metabaR output")
+            samples_view = samples_input[1]
+        
+            # Export with tab formatter
+            TabWriter(TabFormat(header=True, sep='\t',), 
+                      samples_output,
+                      header=True)
+            
+            if samples_input[0] != input[0]:
+                samples_input[0].close()
+        
+        # Else export just sample names from main view
+        else:
+            
+            sample_list = []
+            if 'MERGED_sample' in iview:
+                sample_list = iview['MERGED_sample'].keys()
+            elif 'sample' not in iview:
+                for seq in iview:
+                    sample = seq['sample']
+                    if sample not in sample_list:
+                        sample_list.append(sample)
+            else:
+                logger("warning", "Can not read sample list from main view for metabaR sample list export")            
+            
+            print("sample_id", file=samples_output)
+            for sample in sample_list:
+                line_to_print = b""                
+                line_to_print += sample
+                line_to_print += b"\t"
+                print(tostr(line_to_print), file=samples_output)
+        
+        samples_output.close()
 
     # TODO save command in input dms?
     

python/obitools3/commands/grep.pyx

@@ -4,7 +4,7 @@ from obitools3.apps.progress cimport ProgressBar  # @UnresolvedImport
 from obitools3.dms import DMS
 from obitools3.dms.view.view cimport View, Line_selection
 from obitools3.uri.decode import open_uri
-from obitools3.apps.optiongroups import addMinimalInputOption, addTaxonomyOption, addMinimalOutputOption
+from obitools3.apps.optiongroups import addMinimalInputOption, addTaxonomyOption, addMinimalOutputOption, addNoProgressBarOption
 from obitools3.dms.view import RollbackException
 from obitools3.apps.config import logger
 from obitools3.utils cimport tobytes, str2bytes
@@ -14,6 +14,7 @@ import time
 import re
 import sys
 import ast
+from io import BufferedWriter
 from cpython.exc cimport PyErr_CheckSignals
 
  
@@ -28,6 +29,7 @@ def addOptions(parser):
     addMinimalInputOption(parser)
     addTaxonomyOption(parser)
     addMinimalOutputOption(parser)
+    addNoProgressBarOption(parser)
 
     group=parser.add_argument_group("obi grep specific options")
  
@@ -89,7 +91,7 @@ def addOptions(parser):
                        metavar="<ATTRIBUTE_NAME>",
                        help="Select records with the attribute <ATTRIBUTE_NAME> "
                             "defined (not set to NA value). "
-                            "Several -a options can be used on the same "
+                            "Several -A options can be used on the same "
                             "command line.")
     
     group.add_argument("-L", "--lmax",
@@ -182,7 +184,7 @@ def Filter_generator(options, tax_filter, i_view):
     invert_selection = options["invert_selection"]
     id_set = None
     if "id_list" in options:
-        id_set = set(x.strip() for x in open(options["id_list"]))
+        id_set = set(x.strip() for x in open(options["id_list"], 'rb'))
 
     # Initialize the regular expression patterns
     seq_pattern = None
@@ -256,6 +258,13 @@ def Filter_generator(options, tax_filter, i_view):
 
 
 def Taxonomy_filter_generator(taxo, options):
+    
+    if (("required_ranks" in options and options["required_ranks"]) or \
+       ("required_taxids" in options and options["required_taxids"]) or \
+       ("ignored_taxids" in options and options["ignored_taxids"])) and \
+       (taxo is None):
+        raise RollbackException("obi grep error: can't use taxonomy options without providing a taxonomy. Rollbacking view")
+    
     if taxo is not None:
         def tax_filter(seq):
             good = True
@@ -304,16 +313,21 @@ def run(config):
     if output is None:
         raise Exception("Could not create output view")
     o_dms = output[0]
-    o_view_name_final = output[1]
-    o_view_name = o_view_name_final
-    
-    # If the input and output DMS are not the same, create output view in input DMS first, then export it
-    # to output DMS, making sure the temporary view name is unique in the input DMS 
-    if i_dms != o_dms:
+    output_0 = output[0]
+    final_o_view_name = output[1]
+
+    # If stdout output or the input and output DMS are not the same, create a temporary view that will be exported and deleted afterwards.
+    if i_dms != o_dms or type(output_0)==BufferedWriter:
+        temporary_view_name = b"temp"
         i=0
-        while o_view_name in i_dms:
-            o_view_name = o_view_name_final+b"_"+str2bytes(str(i))
-            i+=1        
+        while temporary_view_name in i_dms:  # Making sure view name is unique in input DMS
+            temporary_view_name = temporary_view_name+b"_"+str2bytes(str(i))
+            i+=1
+        o_view_name = temporary_view_name
+        if type(output_0)==BufferedWriter:
+            o_dms = i_dms
+    else:
+        o_view_name = final_o_view_name
 
     if 'taxoURI' in config['obi'] and config['obi']['taxoURI'] is not None:
         taxo_uri = open_uri(config["obi"]["taxoURI"])
@@ -324,7 +338,10 @@ def run(config):
         taxo = None
 
     # Initialize the progress bar
-    pb = ProgressBar(len(i_view), config, seconde=5)
+    if config['obi']['noprogressbar'] == False:
+        pb = ProgressBar(len(i_view), config)
+    else:
+        pb = None
  
     # Apply filter
     tax_filter = Taxonomy_filter_generator(taxo, config["grep"])
@@ -334,31 +351,36 @@ def run(config):
     if filter is None and config["grep"]["invert_selection"]: # all sequences are selected: filter is None if no line will be selected because some columns don't exist
         for i in range(len(i_view)):
             PyErr_CheckSignals()
-            pb(i)
-            selection.append(i)        
+            if pb is not None:
+                pb(i)
+            selection.append(i)
     
     elif filter is not None :   # filter is None if no line will be selected because some columns don't exist
         for i in range(len(i_view)):
             PyErr_CheckSignals()
-            pb(i)
+            if pb is not None:
+                pb(i)
             line = i_view[i]
-                     
+            
             loc_env = {"sequence": line, "line": line, "taxonomy": taxo, "obi_eval_result": False}
             
             good = filter(line, loc_env)
      
             if good :
                 selection.append(i)
-    
-    pb(len(i_view), force=True)
-    print("", file=sys.stderr)
+   
+    if pb is not None:
+        pb(len(i_view), force=True)
+        print("", file=sys.stderr)
 
     # Create output view with the line selection
     try:
         o_view = selection.materialize(o_view_name)
     except Exception, e:
         raise RollbackException("obi grep error, rollbacking view: "+str(e), o_view)
-    
+
+    logger("info", "Grepped %d entries" % len(o_view))
+
     # Save command config in View and DMS comments
     command_line = " ".join(sys.argv[1:])
     input_dms_name=[input[0].name]
@@ -373,14 +395,20 @@ def run(config):
     # and delete the temporary view in the input DMS
     if i_dms != o_dms:
         o_view.close()
-        View.import_view(i_dms.full_path[:-7], o_dms.full_path[:-7], o_view_name, o_view_name_final)
-        o_view = o_dms[o_view_name_final]
+        View.import_view(i_dms.full_path[:-7], o_dms.full_path[:-7], o_view_name, final_o_view_name)
+        o_view = o_dms[final_o_view_name]
+    
+    # stdout output: write to buffer
+    if type(output_0)==BufferedWriter:
+        logger("info", "Printing to output...")
+        o_view.print_to_output(output_0, noprogressbar=config['obi']['noprogressbar'])
+        o_view.close()
 
     #print("\n\nOutput view:\n````````````", file=sys.stderr)
     #print(repr(o_view), file=sys.stderr)
 
-    # If the input and the output DMS are different, delete the temporary imported view used to create the final view
-    if i_dms != o_dms:
+    # If the input and the output DMS are different or if stdout output, delete the temporary imported view used to create the final view
+    if i_dms != o_dms or type(output_0)==BufferedWriter:
         View.delete_view(i_dms, o_view_name)
         o_dms.close(force=True)
     i_dms.close(force=True)

python/obitools3/commands/head.pyx

@@ -4,24 +4,28 @@ from obitools3.apps.progress cimport ProgressBar  # @UnresolvedImport
 from obitools3.dms import DMS
 from obitools3.dms.view.view cimport View, Line_selection
 from obitools3.uri.decode import open_uri
-from obitools3.apps.optiongroups import addMinimalInputOption, addMinimalOutputOption
+from obitools3.apps.optiongroups import addMinimalInputOption, addMinimalOutputOption, addNoProgressBarOption
 from obitools3.dms.view import RollbackException
 from obitools3.apps.config import logger
 from obitools3.utils cimport str2bytes
+from obitools3.apps.optiongroups import addExportOutputOption
 
 import time
 import sys
- 
+from io import BufferedWriter
+
 from cpython.exc cimport PyErr_CheckSignals
 
 
-__title__="Keep the N first lines of a view."
+__title__="Keep the N first lines of a view"
 
  
 def addOptions(parser):
     
     addMinimalInputOption(parser)
     addMinimalOutputOption(parser)
+    addExportOutputOption(parser)
+    addNoProgressBarOption(parser)
 
     group=parser.add_argument_group('obi head specific options')
 
@@ -53,31 +57,41 @@ def run(config):
     if output is None:
         raise Exception("Could not create output view")
     o_dms = output[0]
-    o_view_name_final = output[1]
-    o_view_name = o_view_name_final
+    output_0 = output[0]
+    final_o_view_name = output[1]
     
-    # If the input and output DMS are not the same, create output view in input DMS first, then export it
-    # to output DMS, making sure the temporary view name is unique in the input DMS 
-    if i_dms != o_dms:
+    # If stdout output or the input and output DMS are not the same, create a temporary view that will be exported and deleted.
+    if i_dms != o_dms or type(output_0)==BufferedWriter:
+        temporary_view_name = b"temp"
         i=0
-        while o_view_name in i_dms:
-            o_view_name = o_view_name_final+b"_"+str2bytes(str(i))
-            i+=1        
+        while temporary_view_name in i_dms:  # Making sure view name is unique in input DMS
+            temporary_view_name = temporary_view_name+b"_"+str2bytes(str(i))
+            i+=1
+        o_view_name = temporary_view_name
+        if type(output_0)==BufferedWriter:
+            o_dms = i_dms
+    else:
+        o_view_name = final_o_view_name
     
     n = min(config['head']['count'], len(i_view))
 
     # Initialize the progress bar
-    pb = ProgressBar(n, config, seconde=5)
+    if config['obi']['noprogressbar'] == False:
+        pb = ProgressBar(n, config)
+    else:
+        pb = None
         
     selection = Line_selection(i_view)
     
     for i in range(n):
         PyErr_CheckSignals()
-        pb(i)
+        if pb is not None:
+            pb(i)
         selection.append(i)
 
-    pb(i, force=True)
-    print("", file=sys.stderr)
+    if pb is not None:
+        pb(i, force=True)
+        print("", file=sys.stderr)
 
     # Create output view with the line selection
     try:
@@ -94,14 +108,20 @@ def run(config):
     # and delete the temporary view in the input DMS
     if i_dms != o_dms:
         o_view.close()
-        View.import_view(i_dms.full_path[:-7], o_dms.full_path[:-7], o_view_name, o_view_name_final)
-        o_view = o_dms[o_view_name_final]
+        View.import_view(i_dms.full_path[:-7], o_dms.full_path[:-7], o_view_name, final_o_view_name)
+        o_view = o_dms[final_o_view_name]
+
+    # stdout output: write to buffer
+    if type(output_0)==BufferedWriter:
+        logger("info", "Printing to output...")
+        o_view.print_to_output(output_0, noprogressbar=config['obi']['noprogressbar'])
+        o_view.close()
 
     #print("\n\nOutput view:\n````````````", file=sys.stderr)
     #print(repr(view), file=sys.stderr)
 
-    # If the input and the output DMS are different, delete the temporary imported view used to create the final view
-    if i_dms != o_dms:
+    # If the input and the output DMS are different or if stdout output, delete the temporary imported view used to create the final view
+    if i_dms != o_dms or type(output_0)==BufferedWriter:
         View.delete_view(i_dms, o_view_name)
         o_dms.close(force=True)
     i_dms.close(force=True)

python/obitools3/commands/import.pyx

@@ -2,6 +2,7 @@
 
 import sys
 import os
+import re
 
 from obitools3.apps.progress cimport ProgressBar  # @UnresolvedImport
 from obitools3.dms.view.view cimport View
@@ -26,20 +27,25 @@ from obitools3.dms.capi.obiview cimport VIEW_TYPE_NUC_SEQS, \
                                         QUALITY_COLUMN, \
                                         COUNT_COLUMN, \
                                         TAXID_COLUMN, \
-                                        MERGED_PREFIX
+                                        MERGED_PREFIX, \
+                                        SCIENTIFIC_NAME_COLUMN
                                         
 from obitools3.dms.capi.obidms cimport obi_import_view
 
 from obitools3.dms.capi.obitypes cimport obitype_t, \
                                          OBI_VOID, \
-                                         OBI_QUAL
+                                         OBI_QUAL, \
+                                         OBI_STR, \
+                                         OBI_INT
 
 from obitools3.dms.capi.obierrno cimport obi_errno
 
 from obitools3.apps.optiongroups import addImportInputOption, \
                                         addTabularInputOption, \
                                         addTaxdumpInputOption, \
-                                        addMinimalOutputOption
+                                        addMinimalOutputOption, \
+                                        addNoProgressBarOption, \
+                                        addTaxonomyOption
 
 from obitools3.uri.decode import open_uri
 
@@ -47,8 +53,11 @@ from obitools3.apps.config import logger
 
 from cpython.exc cimport PyErr_CheckSignals
 
+from io import BufferedWriter
+import ast
 
-__title__="Imports sequences from different formats into a DMS"
+
+__title__="Import sequences from different formats into a DMS"
  
  
 default_config = {   'destview'     : None,
@@ -65,7 +74,9 @@ def addOptions(parser):
     addImportInputOption(parser)
     addTabularInputOption(parser)
     addTaxdumpInputOption(parser)
+    addTaxonomyOption(parser)
     addMinimalOutputOption(parser)
+    addNoProgressBarOption(parser)
 
     group = parser.add_argument_group('obi import specific options')
 
@@ -75,6 +86,15 @@ def addOptions(parser):
                      help="Do a first readthrough of the dataset if it contains huge dictionaries (more than 100 keys) for "
                           "a much faster import. This option is not recommended and will slow down the import in any other case.")
 
+    group.add_argument('--space-priority',
+                     action="store_true", dest="import:space_priority",
+                     default=False,
+                     help="If importing a view into another DMS, do it by importing each line, saving disk space if the original view "
+                          "has a line selection associated.")
+
+#    group.add_argument('--only-id',
+#                     action="store", dest="import:onlyid",
+#                     help="only id")
 
 def run(config):
     
@@ -87,6 +107,10 @@ def run(config):
     cdef   obitype_t   new_type
     cdef   bint        get_quality
     cdef   bint        NUC_SEQS_view
+    cdef   bint        silva
+    cdef   bint        rdp
+    cdef   bint        unite
+    cdef   bint        sintax
     cdef   int         nb_elts
     cdef   object      d
     cdef   View        view
@@ -97,6 +121,8 @@ def run(config):
     cdef   Column      seq_col
     cdef   Column      qual_col
     cdef   Column      old_column
+    cdef   Column      sci_name_col
+    cdef   bytes       sci_name
     cdef   bint        rewrite
     cdef   dict        dcols
     cdef   int         skipping
@@ -130,7 +156,7 @@ def run(config):
         if entry_count > 0:
             logger("info", "Importing %d entries", entry_count)
         else:
-            logger("info", "Importing an unknow number of entries")
+            logger("info", "Importing an unknown number of entries")
         
         # TODO a bit dirty?
         if input[2]==Nuc_Seq or input[2]==View_NUC_SEQS:
@@ -140,7 +166,7 @@ def run(config):
     else:
         v = None
     
-    if config['obi']['taxdump'] or isinstance(input[1], View): 
+    if config['obi']['taxdump'] or (isinstance(input[1], View) and not config['import']['space_priority']): 
         dms_only=True
     else:
         dms_only=False
@@ -168,17 +194,33 @@ def run(config):
         logger("info", "Done.")
         return
 
-    # If importing a view between two DMS, use C API
-    if isinstance(input[1], View):
+    # Open taxonomy if there is one
+    if 'taxoURI' in config['obi'] and config['obi']['taxoURI'] is not None:
+        taxo_uri = open_uri(config['obi']['taxoURI'])
+        if taxo_uri is None or taxo_uri[2] == bytes:
+            raise Exception("Couldn't open taxonomy")
+        taxo = taxo_uri[1]
+
+    else :
+        taxo = None
+
+    # If importing a view between two DMS and not wanting to save space if line selection in original view, use C API
+    if isinstance(input[1], View) and not config['import']['space_priority']:
         if obi_import_view(input[0].name_with_full_path, o_dms.name_with_full_path, input[1].name, tobytes((config['obi']['outputURI'].split('/'))[-1])) < 0 :
+            input[0].close(force=True)
+            output[0].close(force=True)
             raise Exception("Error importing a view in a DMS")
         o_dms.record_command_line(" ".join(sys.argv[1:]))
-        o_dms.close()
+        input[0].close(force=True)
+        output[0].close(force=True)
         logger("info", "Done.")
         return
 
-    if entry_count >= 0:
-        pb = ProgressBar(entry_count, config, seconde=5)
+    # Reinitialize the progress bar
+    if entry_count >= 0 and config['obi']['noprogressbar'] == False:
+        pb = ProgressBar(entry_count, config)
+    else:
+        pb = None
         
     NUC_SEQS_view = False
     if isinstance(output[1], View) :
@@ -187,15 +229,38 @@ def run(config):
             NUC_SEQS_view = True
     else: 
         raise NotImplementedError()
-        
+
     # Save basic columns in variables for optimization
     if NUC_SEQS_view :
         id_col = view[ID_COLUMN]
         def_col = view[DEFINITION_COLUMN]
         seq_col = view[NUC_SEQUENCE_COLUMN]
-        
+
+    # Prepare taxon scientific name and taxid refs if RDP/SILVA/UNITE/SINTAX formats
+    silva = False
+    rdp = False
+    unite = False
+    sintax=False
+    if 'inputformat' in config['obi'] and (config['obi']['inputformat'] == b"silva" or \
+                                           config['obi']['inputformat'] == b"rdp" or \
+                                           config['obi']['inputformat'] == b"unite" or \
+                                           config['obi']['inputformat'] == b"sintax"):
+        #if taxo is None:
+        #    raise Exception("A taxonomy (as built by 'obi import --taxdump') must be provided for SILVA and RDP files")
+        if config['obi']['inputformat'] == b"silva":
+            silva = True
+        elif config['obi']['inputformat'] == b"rdp":
+            rdp = True
+        elif config['obi']['inputformat'] == b"unite":
+            unite = True
+        elif config['obi']['inputformat'] == b"sintax":
+            sintax = True
+        sci_name_col = Column.new_column(view, SCIENTIFIC_NAME_COLUMN, OBI_STR)
+        if taxo is not None:
+            taxid_col = Column.new_column(view, TAXID_COLUMN, OBI_INT)
+
     dcols = {}
-        
+
     # First read through the entries to prepare columns with dictionaries as they are very time-expensive to rewrite
     if config['import']['preread']:
         logger("info", "First readthrough...")
@@ -235,15 +300,21 @@ def run(config):
         for tag in dict_dict:
             dcols[tag] = (Column.new_column(view, tag, dict_dict[tag][1], \
                               nb_elements_per_line=len(dict_dict[tag][0]), \
-                              elements_names=list(dict_dict[tag][0])), \
+                              elements_names=list(dict_dict[tag][0]), \
+                              dict_column=True), \
                           dict_dict[tag][1])
     
         
         # Reinitialize the input
         if isinstance(input[0], CompressedFile):
             input_is_file = True
-        if entry_count >= 0:
-            pb = ProgressBar(entry_count, config, seconde=5)
+        
+        # Reinitialize the progress bar
+        if entry_count >= 0 and config['obi']['noprogressbar'] == False:
+            pb = ProgressBar(entry_count, config)
+        else:
+            pb = None
+
         try:
             input[0].close()
         except AttributeError:
@@ -252,6 +323,11 @@ def run(config):
         if input is None:
             raise Exception("Could not open input URI")
     
+#    if 'onlyid' in config['import']:
+#        onlyid = tobytes(config['import']['onlyid'])
+#    else:
+#        onlyid = None
+    
     entries = input[1]
     i = 0
     for entry in entries :
@@ -269,10 +345,13 @@ def run(config):
         elif not i%50000:
             logger("info", "Imported %d entries", i)
         
+#        if onlyid is not None and entry.id != onlyid:
+#            continue
+        
         try:
              
             if NUC_SEQS_view: 
-                id_col[i] = entry.id
+                id_col[i] = entry.id           
                 def_col[i] = entry.definition
                 seq_col[i] = entry.seq
                 # Check if there is a sequencing quality associated by checking the first entry    # TODO haven't found a more robust solution yet
@@ -283,40 +362,89 @@ def run(config):
                         qual_col = view[QUALITY_COLUMN]
                 if get_quality:
                     qual_col[i] = entry.quality
-             
+                    
+                # Parse taxon scientific name if RDP or Silva or Unite file
+                if (rdp or silva or unite or sintax):
+                    if rdp or silva:
+                        sci_names = entry.definition.split(b";")
+                        sci_name_col[i] = sci_names[-1]
+                    elif unite:
+                        sci_names = entry.id.split(b'|')[-1].split(b';')
+                        sci_name_col[i] = re.sub(b'[a-zA-Z]__', b'', sci_names[-1])
+                    elif sintax:
+                        reconstructed_line = entry.id+b' '+entry.definition[:-1]
+                        splitted_reconstructed_line = reconstructed_line.split(b';')
+                        taxa = splitted_reconstructed_line[1].split(b'=')[1]
+                        taxa = splitted_reconstructed_line[1].split(b',')
+                        sci_names = []
+                        for t in taxa:
+                            tf = t.split(b':')[1]
+                            sci_names.append(tf)
+                        sci_name_col[i] = sci_names[-1]
+                        id_col[i] = reconstructed_line.split(b';')[0]    
+                        def_col[i] = reconstructed_line
+                        
+                    # Fond taxid if taxonomy provided
+                    if taxo is not None :
+                        for sci_name in reversed(sci_names):
+                            if unite:
+                                sci_name = re.sub(b'[a-zA-Z]__', b'', sci_name)
+                            if sci_name.split()[0] != b'unidentified' and sci_name.split()[0] != b'uncultured' and sci_name.split()[0] != b'metagenome':
+                                taxon = taxo.get_taxon_by_name(sci_name)
+                                if taxon is not None:
+                                    sci_name_col[i] = taxon.name
+                                    taxid_col[i] = taxon.taxid
+                                    #print(taxid_col[i], sci_name_col[i])
+                                    break
+
             for tag in entry :
                 
                 if tag != ID_COLUMN and tag != DEFINITION_COLUMN and tag != NUC_SEQUENCE_COLUMN and tag != QUALITY_COLUMN :  # TODO dirty 
-                                    
+                
                     value = entry[tag]
                     if tag == b"taxid":
                         tag = TAXID_COLUMN
                     if tag == b"count":
                         tag = COUNT_COLUMN
+                    if tag == b"scientific_name":
+                        tag = SCIENTIFIC_NAME_COLUMN
                     if tag[:7] == b"merged_":
                         tag = MERGED_PREFIX+tag[7:]
-                        
+
+                    if type(value) == bytes and value[:1]==b"[" :
+                        try:
+                            if type(eval(value)) == list:
+                                value = eval(value)
+                                #print(value)
+                        except:
+                            pass
+                    
                     if tag not in dcols :
-                         
+                    
                         value_type = type(value)
                         nb_elts = 1
                         value_obitype = OBI_VOID
-                         
-                        if value_type == dict or value_type == list :
+                        dict_col = False
+                        
+                        if value_type == dict :
                             nb_elts = len(value)
                             elt_names = list(value)
+                            dict_col = True
                         else :
                             nb_elts = 1
                             elt_names = None
-                         
+                        
+                        if value_type == list :
+                            tuples = True
+                        else:
+                            tuples = False
+                        
                         value_obitype = get_obitype(value)
-                         
+                                                
                         if value_obitype != OBI_VOID :
-                            dcols[tag] = (Column.new_column(view, tag, value_obitype, nb_elements_per_line=nb_elts, elements_names=elt_names), value_obitype)
+                            dcols[tag] = (Column.new_column(view, tag, value_obitype, nb_elements_per_line=nb_elts, elements_names=elt_names, dict_column=dict_col, tuples=tuples), value_obitype)
                                                      
                             # Fill value
-                            if value_type == dict and nb_elts == 1:  # special case that makes the OBI3 create a 1 elt/line column which won't read a dict value
-                                value = value[list(value.keys())[0]]       # The solution is to transform the value in a simple atomic one acceptable by the column
                             dcols[tag][0][i] = value
                          
                         # TODO else log error?
@@ -342,8 +470,8 @@ def run(config):
                             # Fill value
                             dcols[tag][0][i] = value
                          
-                        except IndexError :
-                                                     
+                        except (IndexError, OverflowError):
+                                                                                 
                             value_type = type(value)
                             old_column = dcols[tag][0]
                             old_nb_elements_per_line = old_column.nb_elements_per_line
@@ -390,18 +518,19 @@ def run(config):
                                 dcols[tag][0][i] = value
         
         except Exception as e:
-            print("\nCould not import sequence id:", entry.id, "(error raised:", e, ")")
+            print("\nCould not import sequence:\n", repr(entry), "\nError raised:", e, "\n/!\ Check if '--input-na-string' option needs to be set")
             if 'skiperror' in config['obi'] and not config['obi']['skiperror']:
                 raise e
             else:
                 pass
+                i-=1  # overwrite problematic entry
         
         i+=1
  
     if pb is not None:
         pb(i, force=True)
         print("", file=sys.stderr)
-    logger("info", "Imported %d entries", i)
+    logger("info", "Imported %d entries", len(view))
     
     # Save command config in View and DMS comments
     command_line = " ".join(sys.argv[1:])

python/obitools3/commands/ls.pyx

@@ -31,27 +31,11 @@ def run(config):
     input = open_uri(config['obi']['inputURI'])
     if input is None:
         raise Exception("Could not read input")
-    if input[2] == DMS and not config['ls']['longformat']:
-        dms = input[0]
-        l = []
-        for viewname in input[0]:
-            view = dms[viewname]
-            l.append(tostr(viewname) + "\t(Date created: " + str(bytes2str_object(view.comments["Date created"]))+")")
-            view.close()
-        l.sort()
-        for v in l:
-            print(v)
+    
+    # Print representation
+    if config['ls']['longformat']:
+        print(input[1].repr_longformat())
     else:
         print(repr(input[1]))
-    if input[2] == DMS:
-        taxolist = ["\n### Taxonomies:"]
-        for t in Taxonomy.list_taxos(input[0]):
-            taxolist.append("\t"+tostr(t))
-        if len(taxolist) > 1:
-            for t in taxolist:
-                print(t)
-    if config['ls']['longformat'] and len(input[1].comments) > 0:
-        print("\n### Comments:")
-        print(str(input[1].comments))
     
     input[0].close(force=True)

python/obitools3/commands/ngsfilter.pyx

@@ -2,10 +2,10 @@
 
 from obitools3.apps.progress cimport ProgressBar  # @UnresolvedImport
 from obitools3.dms import DMS
-from obitools3.dms.view import RollbackException
+from obitools3.dms.view import RollbackException, View
 from obitools3.dms.view.typed_view.view_NUC_SEQS cimport View_NUC_SEQS
 from obitools3.dms.column.column cimport Column, Column_line
-from obitools3.apps.optiongroups import addMinimalInputOption, addMinimalOutputOption
+from obitools3.apps.optiongroups import addMinimalInputOption, addMinimalOutputOption, addNoProgressBarOption
 from obitools3.uri.decode import open_uri
 from obitools3.apps.config import logger
 from obitools3.libalign._freeendgapfm import FreeEndGapFullMatch
@@ -14,27 +14,28 @@ from obitools3.dms.obiseq cimport Nuc_Seq
 from obitools3.dms.capi.obitypes cimport OBI_SEQ, OBI_QUAL
 from obitools3.dms.capi.apat cimport MAX_PATTERN
 from obitools3.dms.capi.obiview cimport REVERSE_SEQUENCE_COLUMN, REVERSE_QUALITY_COLUMN
-from obitools3.utils cimport tobytes
+from obitools3.utils cimport tobytes, str2bytes
 
 from libc.stdint cimport INT32_MAX
 from functools import reduce
 import math
 import sys
 from cpython.exc cimport PyErr_CheckSignals
+from io import BufferedWriter
 
 
-#REVERSE_SEQ_COLUMN_NAME = b"REVERSE_SEQUENCE"      # used by alignpairedend tool
-#REVERSE_QUALITY_COLUMN_NAME = b"REVERSE_QUALITY"   # used by alignpairedend tool
+MAX_PAT_LEN = 31
 
 
-__title__="Assigns sequence records to the corresponding experiment/sample based on DNA tags and primers"
+__title__="Assign sequence records to the corresponding experiment/sample based on DNA tags and primers"
 
 
 def addOptions(parser):
 
     addMinimalInputOption(parser)
     addMinimalOutputOption(parser)
- 
+    addNoProgressBarOption(parser)
+    
     group = parser.add_argument_group('obi ngsfilter specific options')
 
     group.add_argument('-t','--info-view',
@@ -58,7 +59,7 @@ def addOptions(parser):
                      metavar="<URI>",
                      type=str,
                      default=None,
-                     help="URI to the view used to store the sequences unassigned to any sample")
+                     help="URI to the view used to store the sequences unassigned to any sample. Those sequences are untrimmed.")
 
     group.add_argument('--no-tags',
                      action="store_true", dest="ngsfilter:notags",
@@ -86,6 +87,8 @@ class Primer:
         @type direct:
         '''
         
+        assert len(sequence) <= MAX_PAT_LEN, "Primer %s is too long, 31 bp max" % sequence
+        
         assert sequence not in Primer.collection        \
             or Primer.collection[sequence]==taglength,  \
             "Primer %s must always be used with tags of the same length" % sequence
@@ -266,14 +269,18 @@ cdef tuple annotate(sequences, infos, no_tags, verbose=False):
     
     not_aligned = len(sequences) > 1
     sequences[0] = sequences[0].clone()
+    
+    if not_aligned:
+        sequences[0][b"R1_parent"] = sequences[0].id
+        sequences[0][b"R2_parent"] = sequences[1].id
 
     if not_aligned:
         sequences[1] = sequences[1].clone()
-        sequences[0][REVERSE_SEQUENCE_COLUMN] = sequences[1].seq             # used by alignpairedend tool
+        sequences[0][REVERSE_SEQUENCE_COLUMN] = sequences[1].seq        # used by alignpairedend tool
         sequences[0][REVERSE_QUALITY_COLUMN] = sequences[1].quality     # used by alignpairedend tool
 
     for seq in sequences:
-        if hasattr(seq, "quality_array"): 
+        if hasattr(seq, "quality_array") and seq.quality_array is not None: 
             q = -reduce(lambda x,y:x+y,(math.log10(z) for z in seq.quality_array),0)/len(seq.quality_array)*10
             seq[b'avg_quality']=q
             q = -reduce(lambda x,y:x+y,(math.log10(z) for z in seq.quality_array[0:10]),0)
@@ -297,7 +304,7 @@ cdef tuple annotate(sequences, infos, no_tags, verbose=False):
             directmatch.append((p, p(seq, same_sequence=not new_seq, pattern=pattern), seq, p))
             new_seq = False
             pattern+=1
-    
+        
     # Choose match closer to the start of (one of the) sequence(s)
     directmatch = sorted(directmatch, key=sortMatch)
     all_direct_matches = directmatch
@@ -324,7 +331,7 @@ cdef tuple annotate(sequences, infos, no_tags, verbose=False):
         sequences[0] = sequences[0][directmatch[1][2]:]
     else:
         sequences[1] = sequences[1][directmatch[1][2]:]
-        sequences[0][REVERSE_SEQUENCE_COLUMN] = sequences[1].seq           # used by alignpairedend tool
+        sequences[0][REVERSE_SEQUENCE_COLUMN] = sequences[1].seq      # used by alignpairedend tool
         sequences[0][REVERSE_QUALITY_COLUMN] = sequences[1].quality   # used by alignpairedend tool
     
     if directmatch[0].forward:
@@ -371,7 +378,7 @@ cdef tuple annotate(sequences, infos, no_tags, verbose=False):
                 sequences[0] = sequences[0][:r[1]]
             else:
                 sequences[1] = sequences[1][:r[1]]
-                sequences[0][REVERSE_SEQUENCE_COLUMN] = sequences[1].seq           # used by alignpairedend tool
+                sequences[0][REVERSE_SEQUENCE_COLUMN] = sequences[1].seq      # used by alignpairedend tool
                 sequences[0][REVERSE_QUALITY_COLUMN] = sequences[1].quality   # used by alignpairedend tool
         # do the same on the other seq
         if first_match_first_seq: 
@@ -396,7 +403,7 @@ cdef tuple annotate(sequences, infos, no_tags, verbose=False):
             seq_to_match = sequences[0]
         reversematch = []
         # Compute begin
-        begin=directmatch[1][2]+1  # end of match + 1 on the same sequence
+        #begin=directmatch[1][2]+1  # end of match + 1 on the same sequence -- No, already cut out forward primer        
         # Try reverse matching on the other sequence:
         new_seq = True
         pattern = 0
@@ -410,7 +417,7 @@ cdef tuple annotate(sequences, infos, no_tags, verbose=False):
                 primer=p
             # Saving original primer as 4th member of the tuple to serve as correct key in infos dict even if it might have been reversed complemented
             # (3rd member already used by directmatch)
-            reversematch.append((primer, primer(seq_to_match, same_sequence=not new_seq, pattern=pattern, begin=begin), None, p))
+            reversematch.append((primer, primer(seq_to_match, same_sequence=not new_seq, pattern=pattern, begin=0), None, p))
             new_seq = False
             pattern+=1
         # Choose match closer to the end of the sequence
@@ -452,7 +459,7 @@ cdef tuple annotate(sequences, infos, no_tags, verbose=False):
             sequences[1] = sequences[1][reversematch[1][2]:]
             if not directmatch[0].forward:
                 sequences[1] = sequences[1].reverse_complement
-            sequences[0][REVERSE_SEQUENCE_COLUMN] = sequences[1].seq           # used by alignpairedend tool
+            sequences[0][REVERSE_SEQUENCE_COLUMN] = sequences[1].seq      # used by alignpairedend tool
             sequences[0][REVERSE_QUALITY_COLUMN] = sequences[1].quality   # used by alignpairedend tool
         else:
             sequences[0] = sequences[0][reversematch[1][2]:]
@@ -539,7 +546,8 @@ def run(config):
         raise Exception("Could not open input reads")
     if input[2] != View_NUC_SEQS:
         raise NotImplementedError('obi ngsfilter only works on NUC_SEQS views')
-
+    i_dms = input[0]
+    
     if "reverse" in config["ngsfilter"]:
         
         forward = input[1]        
@@ -580,8 +588,19 @@ def run(config):
     if output is None:
         raise Exception("Could not create output view")
     
+    o_dms = output[0]
+    output_0 = output[0]
     o_view = output[1]
     
+    # If stdout output, create a temporary view in the input dms that will be deleted afterwards.
+    if type(output_0)==BufferedWriter:
+        o_dms = i_dms
+        o_view_name = b"temp"
+        while o_view_name in i_dms:   # Making sure view name is unique in input DMS
+            o_view_name = o_view_name+b"_"+str2bytes(str(i))
+            i+=1
+        o_view = View_NUC_SEQS.new(i_dms, o_view_name)
+
     # Open the view containing the informations about the tags and the primers
     info_input = open_uri(config['ngsfilter']['info_view'])
     if info_input is None:
@@ -602,7 +621,10 @@ def run(config):
         unidentified = None
         
     # Initialize the progress bar
-    pb = ProgressBar(entries_len, config, seconde=5)
+    if config['obi']['noprogressbar'] == False:
+        pb = ProgressBar(entries_len, config)
+    else:
+        pb = None
 
     # Check and store primers and tags
     try:
@@ -632,11 +654,13 @@ def run(config):
     
     g = 0
     u = 0
+    i = 0
     no_tags = config['ngsfilter']['notags']
     try:
         for i in range(entries_len):
             PyErr_CheckSignals()
-            pb(i)
+            if pb is not None:
+                pb(i)
             if not_aligned:
                 modseq = [Nuc_Seq.new_from_stored(forward[i]), Nuc_Seq.new_from_stored(reverse[i])]
             else:
@@ -646,7 +670,13 @@ def run(config):
                 o_view[g].set(oseq.id, oseq.seq, definition=oseq.definition, quality=oseq.quality, tags=oseq)
                 g+=1
             elif unidentified is not None:
-                unidentified[u].set(oseq.id, oseq.seq, definition=oseq.definition, quality=oseq.quality, tags=oseq)
+                # Untrim sequences (put original back)
+                if len(modseq) > 1:
+                    oseq[REVERSE_SEQUENCE_COLUMN] = reverse[i].seq
+                    oseq[REVERSE_QUALITY_COLUMN] = reverse[i].quality
+                    unidentified[u].set(oseq.id, forward[i].seq, definition=oseq.definition, quality=forward[i].quality, tags=oseq)
+                else:
+                    unidentified[u].set(oseq.id, entries[i].seq, definition=oseq.definition, quality=entries[i].quality, tags=oseq)
                 u+=1
     except Exception, e:
         if unidentified is not None:
@@ -654,8 +684,9 @@ def run(config):
         else:
             raise RollbackException("obi ngsfilter error, rollbacking view: "+str(e), o_view)
     
-    pb(i, force=True)
-    print("", file=sys.stderr)
+    if pb is not None:
+        pb(i, force=True)
+        print("", file=sys.stderr)
 
     # Save command config in View and DMS comments
     command_line = " ".join(sys.argv[1:])
@@ -664,13 +695,23 @@ def run(config):
         unidentified.write_config(config, "ngsfilter", command_line, input_dms_name=input_dms_name, input_view_name=input_view_name)
         # Add comment about unidentified seqs
         unidentified.comments["info"] = "View containing sequences categorized as unidentified by the ngsfilter command"
-    output[0].record_command_line(command_line)
+    o_dms.record_command_line(command_line)
     
+    # stdout output: write to buffer
+    if type(output_0)==BufferedWriter:
+        logger("info", "Printing to output...")
+        o_view.print_to_output(output_0, noprogressbar=config['obi']['noprogressbar'])
+        o_view.close()
+
     #print("\n\nOutput view:\n````````````", file=sys.stderr)
     #print(repr(o_view), file=sys.stderr)
 
-    input[0].close(force=True)
-    output[0].close(force=True)
+    # If stdout output, delete the temporary result view in the input DMS
+    if type(output_0)==BufferedWriter:
+        View.delete_view(i_dms, o_view_name)
+
+    i_dms.close(force=True)
+    o_dms.close(force=True)
     info_input[0].close(force=True)
     if unidentified is not None:
         unidentified_input[0].close(force=True)

python/obitools3/commands/rm.pyx

@@ -0,0 +1,87 @@
+#cython: language_level=3
+
+from obitools3.uri.decode import open_uri
+from obitools3.apps.config import logger
+from obitools3.dms import DMS
+from obitools3.apps.optiongroups import addMinimalInputOption
+from obitools3.dms.view.view cimport View
+from obitools3.utils cimport tostr
+import os
+import shutil
+ 
+__title__="Delete a view"
+
+
+def addOptions(parser):    
+    addMinimalInputOption(parser)
+
+def run(config):
+
+    DMS.obi_atexit()
+    
+    logger("info", "obi rm")
+
+    # Open the input
+    input = open_uri(config['obi']['inputURI'])
+    if input is None:
+        raise Exception("Could not read input")
+    
+    # Check that it's a view
+    if isinstance(input[1], View) :
+        view = input[1]
+    else: 
+        raise NotImplementedError()
+    
+    dms = input[0]
+    
+    # Get the path to the view file to remove
+    path = dms.full_path  # dms path
+    view_path=path+b"/VIEWS/"
+    view_path+=view.name
+    view_path+=b".obiview"
+    
+    to_remove = {}
+    # For each column:
+    for col_alias in view.keys():
+        col = view[col_alias]
+        col_name = col.original_name
+        col_version = col.version
+        col_type = col.data_type
+        col_ref = (col_name, col_version)
+        # build file name and AVL file names
+        col_file_name = f"{tostr(path)}/{tostr(col.original_name)}.obicol/{tostr(col.original_name)}@{col.version}.odc"
+        if col_type in [b'OBI_CHAR', b'OBI_QUAL', b'OBI_STR', b'OBI_SEQ']:
+            avl_file_name = f"{tostr(path)}/OBIBLOB_INDEXERS/{tostr(col.original_name)}_{col.version}_indexer"
+        else:
+            avl_file_name = None
+        to_remove[col_ref] = [col_file_name, avl_file_name]
+    
+    # For each view:
+    do_not_remove = []
+    for vn in dms:
+        v = dms[vn]
+        # ignore the one being deleted
+        if v.name != view.name:
+            # check that none of the column is referenced, if referenced, remove from list to remove
+            cols = [(v[c].original_name, v[c].version) for c in v.keys()]
+            for col_ref in to_remove:
+                if col_ref in cols:
+                    do_not_remove.append(col_ref)
+    
+    for nr in do_not_remove:
+        to_remove.pop(nr)
+    
+    # Close the view and the DMS
+    view.close()
+    input[0].close(force=True)
+    
+    #print(to_remove)
+    
+    # rm AFTER view and DMS close
+    os.remove(view_path)
+    for col in to_remove:
+        os.remove(to_remove[col][0])
+        if to_remove[col][1] is not None:
+            shutil.rmtree(to_remove[col][1])
+        
+        

python/obitools3/commands/sort.pyx

@@ -4,7 +4,7 @@ from obitools3.apps.progress cimport ProgressBar  # @UnresolvedImport
 from obitools3.dms import DMS
 from obitools3.dms.view.view cimport View, Line_selection
 from obitools3.uri.decode import open_uri
-from obitools3.apps.optiongroups import addMinimalInputOption, addMinimalOutputOption
+from obitools3.apps.optiongroups import addMinimalInputOption, addMinimalOutputOption, addNoProgressBarOption
 from obitools3.dms.view import RollbackException
 from obitools3.apps.config import logger
 from obitools3.utils cimport str2bytes
@@ -24,6 +24,7 @@ from obitools3.dms.capi.obitypes cimport OBI_BOOL, \
 import time
 import sys
 from cpython.exc cimport PyErr_CheckSignals
+from io import BufferedWriter
 
  
 NULL_VALUE = {OBI_BOOL: OBIBool_NA, 
@@ -35,13 +36,14 @@ NULL_VALUE = {OBI_BOOL: OBIBool_NA,
               OBI_STR: b""}
  
 
-__title__="Sort view lines according to the value of a given attribute."
+__title__="Sort view lines according to the value of a given attribute"
 
  
 def addOptions(parser):
     
     addMinimalInputOption(parser)
     addMinimalOutputOption(parser)
+    addNoProgressBarOption(parser)
 
     group=parser.add_argument_group('obi sort specific options')
 
@@ -59,7 +61,7 @@ def addOptions(parser):
 
 
 def line_cmp(line, key, pb): 
-    pb   
+    pb
     if line[key] is None:
         return NULL_VALUE[line.view[key].data_type_int]
     else:
@@ -86,20 +88,28 @@ def run(config):
     if output is None:
         raise Exception("Could not create output view")
     o_dms = output[0]
-    o_view_name_final = output[1]
-    o_view_name = o_view_name_final
+    output_0 = output[0]
+    final_o_view_name = output[1]
     
-    # If the input and output DMS are not the same, create output view in input DMS first, then export it
-    # to output DMS, making sure the temporary view name is unique in the input DMS 
-    if i_dms != o_dms:
+    # If stdout output or the input and output DMS are not the same, create a temporary view that will be exported and deleted.
+    if i_dms != o_dms or type(output_0)==BufferedWriter:
+        temporary_view_name = b"temp"
         i=0
-        while o_view_name in i_dms:
-            o_view_name = o_view_name_final+b"_"+str2bytes(str(i))
-            i+=1        
+        while temporary_view_name in i_dms:  # Making sure view name is unique in input DMS
+            temporary_view_name = temporary_view_name+b"_"+str2bytes(str(i))
+            i+=1
+        o_view_name = temporary_view_name
+        if type(output_0)==BufferedWriter:
+            o_dms = i_dms
+    else:
+        o_view_name = final_o_view_name
 
     # Initialize the progress bar
-    pb = ProgressBar(len(i_view), config, seconde=5)
-    
+    if config['obi']['noprogressbar'] == False:
+        pb = ProgressBar(len(i_view), config)
+    else:
+        pb = None
+
     keys = config['sort']['keys']
         
     selection = Line_selection(i_view)
@@ -110,10 +120,14 @@ def run(config):
     
     for k in keys:  # TODO order?
         PyErr_CheckSignals()
-        selection.sort(key=lambda line_idx: line_cmp(i_view[line_idx], k, pb(line_idx)), reverse=config['sort']['reverse'])
-
-    pb(len(i_view), force=True)
-    print("", file=sys.stderr)
+        if pb is not None:
+            selection.sort(key=lambda line_idx: line_cmp(i_view[line_idx], k, pb(line_idx)), reverse=config['sort']['reverse'])
+        else:
+            selection.sort(key=lambda line_idx: line_cmp(i_view[line_idx], k, None), reverse=config['sort']['reverse'])
+    
+    if pb is not None:
+        pb(len(i_view), force=True)
+        print("", file=sys.stderr)
 
     # Create output view with the sorted line selection
     try:
@@ -132,16 +146,23 @@ def run(config):
     # and delete the temporary view in the input DMS
     if i_dms != o_dms:
         o_view.close()
-        View.import_view(i_dms.full_path[:-7], o_dms.full_path[:-7], o_view_name, o_view_name_final)
-        o_view = o_dms[o_view_name_final]
+        View.import_view(i_dms.full_path[:-7], o_dms.full_path[:-7], o_view_name, final_o_view_name)
+        o_view = o_dms[final_o_view_name]
+
+    # stdout output: write to buffer
+    if type(output_0)==BufferedWriter:
+        logger("info", "Printing to output...")
+        o_view.print_to_output(output_0, noprogressbar=config['obi']['noprogressbar'])
+        o_view.close()
 
     #print("\n\nOutput view:\n````````````", file=sys.stderr)
     #print(repr(o_view), file=sys.stderr)
 
-    # If the input and the output DMS are different, delete the temporary imported view used to create the final view
-    if i_dms != o_dms:
+    # If the input and the output DMS are different or if stdout output, delete the temporary imported view used to create the final view
+    if i_dms != o_dms or type(output_0)==BufferedWriter:
         View.delete_view(i_dms, o_view_name)
         o_dms.close(force=True)
+
     i_dms.close(force=True)
 
     logger("info", "Done.")

python/obitools3/commands/split.pyx

@@ -0,0 +1,105 @@
+#cython: language_level=3
+
+from obitools3.apps.progress cimport ProgressBar  # @UnresolvedImport
+from obitools3.dms import DMS
+from obitools3.dms.view.view cimport View, Line_selection
+from obitools3.uri.decode import open_uri
+from obitools3.apps.optiongroups import addMinimalInputOption, addTaxonomyOption, addMinimalOutputOption, addNoProgressBarOption
+from obitools3.dms.view import RollbackException
+from obitools3.apps.config import logger
+from obitools3.utils cimport tobytes
+
+import sys
+from cpython.exc cimport PyErr_CheckSignals
+
+ 
+__title__="Split"
+
+ 
+def addOptions(parser):
+    
+    addMinimalInputOption(parser)
+    addNoProgressBarOption(parser)
+
+    group=parser.add_argument_group("obi split specific options")
+ 
+    group.add_argument('-p','--prefix',
+                       action="store", dest="split:prefix",
+                       metavar="<PREFIX>",
+                       help="Prefix added to each subview name (included undefined)")
+
+    group.add_argument('-t','--tag-name',
+                       action="store", dest="split:tagname",
+                       metavar="<TAG_NAME>",
+                       help="Attribute/tag used to split the input")
+      
+    group.add_argument('-u','--undefined',
+                       action="store", dest="split:undefined",
+                       default=b'UNDEFINED',
+                       metavar="<VIEW_NAME>",
+                       help="Name of the view where undefined sequenced are stored (will be PREFIX_VIEW_NAME)")
+
+
+def run(config):
+     
+    DMS.obi_atexit()
+    
+    logger("info", "obi split")
+
+    # Open the input
+    input = open_uri(config["obi"]["inputURI"])
+    if input is None:
+        raise Exception("Could not read input view")
+    i_dms = input[0]
+    i_view = input[1]
+
+    # Initialize the progress bar
+    if config['obi']['noprogressbar'] == False:
+        pb = ProgressBar(len(i_view), config)
+    else:
+        pb = None
+    
+    tag_to_split = config["split"]["tagname"]
+    undefined = tobytes(config["split"]["undefined"])
+    selections = {}
+    
+    # Go through input view and split
+    for i in range(len(i_view)):
+        PyErr_CheckSignals()
+        if pb is not None:
+            pb(i)
+        line = i_view[i]
+        if tag_to_split not in line or line[tag_to_split] is None or len(line[tag_to_split])==0:
+            value = undefined
+        else:
+            value = line[tag_to_split]
+        if value not in selections:
+            selections[value] = Line_selection(i_view)
+        selections[value].append(i)
+        
+    if pb is not None:
+        pb(len(i_view), force=True)
+        print("", file=sys.stderr)
+
+    # Create output views with the line selection
+    try:
+        for cat in selections:
+            o_view_name = config["split"]["prefix"].encode()+cat
+            o_view = selections[cat].materialize(o_view_name)
+            # Save command config in View and DMS comments
+            command_line = " ".join(sys.argv[1:])
+            input_dms_name=[input[0].name]
+            input_view_name=[input[1].name]
+            if 'taxoURI' in config['obi'] and config['obi']['taxoURI'] is not None:
+                input_dms_name.append(config['obi']['taxoURI'].split("/")[-3])
+                input_view_name.append("taxonomy/"+config['obi']['taxoURI'].split("/")[-1])
+            o_view.write_config(config, "split", command_line, input_dms_name=input_dms_name, input_view_name=input_view_name)
+            o_view.close()
+    except Exception, e:
+        raise RollbackException("obi split error, rollbacking view: "+str(e), o_view)
+
+    i_dms.record_command_line(command_line)
+    i_dms.close(force=True)
+
+    logger("info", "Done.")
+

python/obitools3/commands/stats.pyx

@@ -16,7 +16,7 @@ import sys
 from cpython.exc cimport PyErr_CheckSignals
 
 
-__title__="Compute basic statistics for attribute values."
+__title__="Compute basic statistics for attribute values"
 
 '''
 `obi stats` computes basic statistics for attribute values of sequence records.
@@ -119,9 +119,12 @@ def mean(values, options):
 
 def variance(v):
     if len(v)==1: 
-        return 0 
+        return 0
     s = reduce(lambda x,y:(x[0]+y,x[1]+y**2),v,(0.,0.))
-    return s[1]/(len(v)-1) - s[0]**2/len(v)/(len(v)-1)
+    var = round(s[1]/(len(v)-1) - s[0]**2/len(v)/(len(v)-1), 5) # round to go around shady python rounding stuff when var is actually 0
+    if var == -0.0: # then fix -0 to +0 if was rounded to -0
+        var = 0.0
+    return var
 
 
 def varpop(values, options):
@@ -154,7 +157,7 @@ def run(config):
     else :
         taxo = None
 
-    statistics = set(config['stats']['minimum']) | set(config['stats']['maximum']) | set(config['stats']['mean'])
+    statistics = set(config['stats']['minimum']) | set(config['stats']['maximum']) | set(config['stats']['mean']) | set(config['stats']['var']) | set(config['stats']['sd'])
     total = 0
     catcount={}
     totcount={}
@@ -162,7 +165,7 @@ def run(config):
     lcat=0
     
     # Initialize the progress bar
-    pb = ProgressBar(len(i_view), config, seconde=5)
+    pb = ProgressBar(len(i_view), config)
     
     for i in range(len(i_view)):
         PyErr_CheckSignals()
@@ -195,7 +198,7 @@ def run(config):
         except KeyError:
             totcount[category]=totcount.get(category,0)+1
         for var in statistics:
-            if var in line:
+            if var in line and line[var] is not None:
                 v = line[var]
                 if var not in values:
                     values[var]={}
@@ -238,14 +241,34 @@ def run(config):
     else:
         sdvar= "%s"
         
-    hcat = "\t".join([pcat % x for x in config['stats']['categories']]) + "\t" +\
-           "\t".join([minvar % x for x in config['stats']['minimum']])  + "\t" +\
-           "\t".join([maxvar % x for x in config['stats']['maximum']])  + "\t" +\
-           "\t".join([meanvar % x for x in config['stats']['mean']])  + "\t" +\
-           "\t".join([varvar % x for x in config['stats']['var']])  + "\t" +\
-           "\t".join([sdvar % x for x in config['stats']['sd']]) + \
-           "\t   count" + \
-           "\t   total" 
+    hcat = ""
+    
+    for x in config['stats']['categories']:
+        hcat += pcat % x
+        hcat += "\t"
+    
+    for x in config['stats']['minimum']:
+        hcat += minvar % x
+        hcat += "\t"
+
+    for x in config['stats']['maximum']:
+        hcat += maxvar % x
+        hcat += "\t"
+
+    for x in config['stats']['mean']:
+        hcat += meanvar % x
+        hcat += "\t"
+    
+    for x in config['stats']['var']:
+        hcat += varvar % x
+        hcat += "\t"
+
+    for x in config['stats']['sd']:
+        hcat += sdvar % x
+        hcat += "\t"
+
+    hcat += "count\ttotal" 
+    
     print(hcat)
     sorted_stats = sorted(catcount.items(), key = lambda kv:(totcount[kv[0]]), reverse=True)
     for i in range(len(sorted_stats)):
@@ -265,8 +288,8 @@ def run(config):
             print((("%%%df" % lvarp[m]) % varp[m][c])+"\t", end="")
         for m in config['stats']['sd']:
             print((("%%%df" % lsigma[m]) % sigma[m][c])+"\t", end="")
-        print("%7d" %catcount[c], end="")
-        print("%9d" %totcount[c])
+        print("%d" %catcount[c]+"\t", end="")
+        print("%d" %totcount[c]+"\t")
 
     input[0].close(force=True)
     

python/obitools3/commands/tail.pyx

@@ -4,7 +4,7 @@ from obitools3.apps.progress cimport ProgressBar  # @UnresolvedImport
 from obitools3.dms import DMS
 from obitools3.dms.view.view cimport View, Line_selection
 from obitools3.uri.decode import open_uri
-from obitools3.apps.optiongroups import addMinimalInputOption, addMinimalOutputOption
+from obitools3.apps.optiongroups import addMinimalInputOption, addMinimalOutputOption, addNoProgressBarOption
 from obitools3.dms.view import RollbackException
 from obitools3.apps.config import logger
 from obitools3.utils cimport str2bytes
@@ -12,15 +12,17 @@ from obitools3.utils cimport str2bytes
 import time
 import sys
 from cpython.exc cimport PyErr_CheckSignals
+from io import BufferedWriter
 
 
-__title__="Keep the N last lines of a view."
+__title__="Keep the N last lines of a view"
 
  
 def addOptions(parser):
     
     addMinimalInputOption(parser)
     addMinimalOutputOption(parser)
+    addNoProgressBarOption(parser)
 
     group=parser.add_argument_group('obi tail specific options')
 
@@ -52,31 +54,41 @@ def run(config):
     if output is None:
         raise Exception("Could not create output view")
     o_dms = output[0]
-    o_view_name_final = output[1]
-    o_view_name = o_view_name_final
+    output_0 = output[0]
+    final_o_view_name = output[1]
     
-    # If the input and output DMS are not the same, create output view in input DMS first, then export it
-    # to output DMS, making sure the temporary view name is unique in the input DMS 
-    if i_dms != o_dms:
+    # If stdout output or the input and output DMS are not the same, create a temporary view that will be exported and deleted.
+    if i_dms != o_dms or type(output_0)==BufferedWriter:
+        temporary_view_name = b"temp"
         i=0
-        while o_view_name in i_dms:
-            o_view_name = o_view_name_final+b"_"+str2bytes(str(i))
-            i+=1        
+        while temporary_view_name in i_dms:  # Making sure view name is unique in input DMS
+            temporary_view_name = temporary_view_name+b"_"+str2bytes(str(i))
+            i+=1
+        o_view_name = temporary_view_name
+        if type(output_0)==BufferedWriter:
+            o_dms = i_dms
+    else:
+        o_view_name = final_o_view_name
     
     start = max(len(i_view) - config['tail']['count'], 0)
 
     # Initialize the progress bar
-    pb = ProgressBar(len(i_view) - start, config, seconde=5)
+    if config['obi']['noprogressbar'] == False:
+        pb = ProgressBar(len(i_view) - start, config)
+    else:
+        pb = None
         
     selection = Line_selection(i_view)
     
     for i in range(start, len(i_view)):
         PyErr_CheckSignals()
-        pb(i)
+        if pb is not None:
+            pb(i)
         selection.append(i)
 
-    pb(i, force=True)
-    print("", file=sys.stderr)
+    if pb is not None:
+        pb(i, force=True)
+        print("", file=sys.stderr)
 
     # Save command config in View comments
     command_line = " ".join(sys.argv[1:])
@@ -97,14 +109,20 @@ def run(config):
     # and delete the temporary view in the input DMS
     if i_dms != o_dms:
         o_view.close()
-        View.import_view(i_dms.full_path[:-7], o_dms.full_path[:-7], o_view_name, o_view_name_final)
-        o_view = o_dms[o_view_name_final]
+        View.import_view(i_dms.full_path[:-7], o_dms.full_path[:-7], o_view_name, final_o_view_name)
+        o_view = o_dms[final_o_view_name]
+
+    # stdout output: write to buffer
+    if type(output_0)==BufferedWriter:
+        logger("info", "Printing to output...")
+        o_view.print_to_output(output_0, noprogressbar=config['obi']['noprogressbar'])
+        o_view.close()
 
     #print("\n\nOutput view:\n````````````", file=sys.stderr)
     #print(repr(o_view), file=sys.stderr)
 
-    # If the input and the output DMS are different, delete the temporary imported view used to create the final view
-    if i_dms != o_dms:
+    # If the input and the output DMS are different or if stdout output, delete the temporary imported view used to create the final view
+    if i_dms != o_dms or type(output_0)==BufferedWriter:
         View.delete_view(i_dms, o_view_name)
         o_dms.close(force=True)
     i_dms.close(force=True)

python/obitools3/commands/taxonomy.pyx

@@ -0,0 +1,230 @@
+#cython: language_level=3
+
+from obitools3.apps.progress cimport ProgressBar  # @UnresolvedImport
+from obitools3.dms import DMS
+from obitools3.dms.view.view cimport View, Line_selection
+from obitools3.uri.decode import open_uri
+from obitools3.apps.optiongroups import addMinimalInputOption, addTaxonomyOption, addMinimalOutputOption, addNoProgressBarOption
+from obitools3.dms.view import RollbackException
+from obitools3.dms.column.column cimport Column
+from functools import reduce
+from obitools3.apps.config import logger
+from obitools3.utils cimport tobytes, str2bytes, tostr
+from io import BufferedWriter
+from obitools3.dms.capi.obiview cimport NUC_SEQUENCE_COLUMN, \
+                                        ID_COLUMN, \
+                                        DEFINITION_COLUMN, \
+                                        QUALITY_COLUMN, \
+                                        COUNT_COLUMN, \
+                                        TAXID_COLUMN
+from obitools3.dms.capi.obitypes cimport OBI_INT
+from obitools3.dms.capi.obitaxonomy cimport MIN_LOCAL_TAXID
+import time
+import math
+import sys
+
+from cpython.exc cimport PyErr_CheckSignals
+
+
+__title__="Add taxa with a new generated taxid to an NCBI taxonomy database"
+
+
+
+def addOptions(parser):
+
+    addMinimalInputOption(parser)
+    addTaxonomyOption(parser)
+    addMinimalOutputOption(parser)
+    addNoProgressBarOption(parser)
+
+    group=parser.add_argument_group('obi taxonomy specific options')
+
+    group.add_argument('-n', '--taxon-name-tag',
+                       action="store",
+                       dest="taxonomy:taxon_name_tag",
+                       metavar="<SCIENTIFIC_NAME_TAG>",
+                       default=b"SCIENTIFIC_NAME",
+                       help="Name of the tag giving the scientific name of the taxon "
+                            "(default: 'SCIENTIFIC_NAME').")
+
+#    group.add_argument('-g', '--try-genus-match',
+#                     action="store_true", dest="taxonomy:try_genus_match",
+#                     default=False,
+#                     help="Try matching the first word of <SCIENTIFIC_NAME_TAG> when can't find corresponding taxid for a taxon. "
+#                          "If there is a match it is added in the 'parent_taxid' tag. (Can be used by 'obi taxonomy' to add the taxon under that taxid).")
+
+    group.add_argument('-a', '--restricting-ancestor',
+                       action="store",
+                       dest="taxonomy:restricting_ancestor",
+                       metavar="<RESTRICTING_ANCESTOR>",
+                       default=None,
+                       help="Enables to restrict the addition of taxids under an ancestor specified by its taxid.")
+
+    group.add_argument('-t', '--taxid-tag',
+                       action="store",
+                       dest="taxonomy:taxid_tag",
+                       metavar="<TAXID_TAG>",
+                       default=b"TAXID",
+                       help="Name of the tag to store the new taxid "
+                            "(default: 'TAXID').")
+
+    group.add_argument('-l', '--log-file',
+                       action="store",
+                       dest="taxonomy:log_file",
+                       metavar="<LOG_FILE>",
+                       default='',
+                       help="Path to a log file to write informations about added taxids.")
+
+
+def run(config):
+
+    DMS.obi_atexit()
+
+    logger("info", "obi taxonomy")
+
+    # Open the input
+    input = open_uri(config['obi']['inputURI'])
+    if input is None:
+        raise Exception("Could not read input view")
+    i_dms = input[0]
+    i_view = input[1]
+    i_view_name = input[1].name
+
+    # Open the output: only the DMS, as the output view is going to be created by cloning the input view
+    # (could eventually be done via an open_uri() argument)
+    output = open_uri(config['obi']['outputURI'],
+                      input=False,
+                      dms_only=True)
+    if output is None:
+        raise Exception("Could not create output view")
+    o_dms = output[0]
+    output_0 = output[0]
+    o_view_name = output[1]
+
+    # stdout output: create temporary view
+    if type(output_0)==BufferedWriter:
+        o_dms = i_dms
+        i=0
+        o_view_name = b"temp"
+        while o_view_name in i_dms: # Making sure view name is unique in output DMS
+            o_view_name = o_view_name+b"_"+str2bytes(str(i))
+            i+=1
+        imported_view_name = o_view_name
+
+    # If the input and output DMS are not the same, import the input view in the output DMS before cloning it to modify it
+    # (could be the other way around: clone and modify in the input DMS then import the new view in the output DMS)
+    if i_dms != o_dms:
+        imported_view_name = i_view_name
+        i=0
+        while imported_view_name in o_dms:  # Making sure view name is unique in output DMS
+            imported_view_name = i_view_name+b"_"+str2bytes(str(i))
+            i+=1
+        View.import_view(i_dms.full_path[:-7], o_dms.full_path[:-7], i_view_name, imported_view_name)
+        i_view = o_dms[imported_view_name]
+
+    # Clone output view from input view
+    o_view = i_view.clone(o_view_name)
+    if o_view is None:
+        raise Exception("Couldn't create output view")
+    i_view.close()
+
+    # Open taxonomy
+    taxo_uri = open_uri(config['obi']['taxoURI'])
+    if taxo_uri is None or taxo_uri[2] == bytes:
+        raise Exception("Couldn't open taxonomy")
+    taxo = taxo_uri[1]
+
+    # Initialize the progress bar
+    if config['obi']['noprogressbar'] == False:
+        pb = ProgressBar(len(o_view), config)
+    else:
+        pb = None
+
+    try:
+        if config['taxonomy']['log_file']:
+            logfile = open(config['taxonomy']['log_file'], 'w')
+        else:
+            logfile = sys.stdout
+        if 'restricting_ancestor' in config['taxonomy']:
+            res_anc = int(config['taxonomy']['restricting_ancestor'])
+        else:
+            res_anc = None
+        taxid_column_name = config['taxonomy']['taxid_tag']
+        parent_taxid_column_name = "PARENT_TAXID" # TODO macro
+        taxon_name_column_name = config['taxonomy']['taxon_name_tag']
+        taxid_column = Column.new_column(o_view, taxid_column_name, OBI_INT)
+        if parent_taxid_column_name in o_view:
+            parent_taxid_column = o_view[parent_taxid_column_name]
+        else:
+            parent_taxid_column = None
+        #parent_taxid_column = Column.new_column(o_view, parent_taxid_column_name, OBI_INT)
+        taxon_name_column = o_view[taxon_name_column_name]
+
+        for i in range(len(o_view)):
+            PyErr_CheckSignals()
+            #if pb is not None:
+            #    pb(i)
+            taxon_name = taxon_name_column[i]
+            taxon = taxo.get_taxon_by_name(taxon_name, res_anc)
+            if taxon is not None:
+                taxid_column[i] = taxon.taxid
+                if logfile:
+                    print(f"Found taxon '{tostr(taxon_name)}' already existing with taxid {taxid_column[i]}", file=logfile)
+            else: # try finding genus or other parent taxon from the first word
+                #print(i, o_view[i].id)
+                if parent_taxid_column is not None and parent_taxid_column[i] is not None:
+                    taxid_column[i] = taxo.add_taxon(taxon_name, 'species', parent_taxid_column[i])
+                    if logfile:
+                        print(f"Adding taxon '{tostr(taxon_name)}' under provided parent {parent_taxid_column[i]} with taxid {taxid_column[i]}", file=logfile)
+                else:
+                    taxon_name_sp = taxon_name.split(b" ")
+                    taxon = taxo.get_taxon_by_name(taxon_name_sp[0], res_anc)
+                    if taxon is not None:
+                        parent_taxid_column[i] = taxon.taxid
+                        taxid_column[i] = taxo.add_taxon(taxon_name, 'species', taxon.taxid)
+                        if logfile:
+                            print(f"Adding taxon '{tostr(taxon_name)}' under '{tostr(taxon.name)}' ({taxon.taxid}) with taxid {taxid_column[i]}", file=logfile)
+                    else:
+                        taxid_column[i] = taxo.add_taxon(taxon_name, 'species', res_anc)
+                        if logfile:
+                            print(f"Adding taxon '{tostr(taxon_name)}' under provided restricting ancestor {res_anc} with taxid {taxid_column[i]}", file=logfile)
+
+        taxo.write(taxo.name, update=True)
+        
+    except Exception, e:
+        raise RollbackException("obi taxonomy error, rollbacking view: "+str(e), o_view)
+
+    #if pb is not None:
+    #    pb(i, force=True)
+    #    print("", file=sys.stderr)
+
+    #logger("info", "\nTaxa already in the taxonomy: "+str(found_count)+"/"+str(len(o_view))+" ("+str(round(found_count*100.0/len(o_view), 2))+"%)")
+    #logger("info", "\nParent taxids found: "+str(parent_found_count)+"/"+str(len(o_view))+" ("+str(round(parent_found_count*100.0/len(o_view), 2))+"%)")
+    #logger("info", "\nTaxids not found: "+str(not_found_count)+"/"+str(len(o_view))+" ("+str(round(not_found_count*100.0/len(o_view), 2))+"%)")
+
+    # Save command config in View and DMS comments
+    command_line = " ".join(sys.argv[1:])
+    input_dms_name=[input[0].name]
+    input_view_name=[i_view_name]
+    if 'taxoURI' in config['obi'] and config['obi']['taxoURI'] is not None:
+        input_dms_name.append(config['obi']['taxoURI'].split("/")[-3])
+        input_view_name.append("taxonomy/"+config['obi']['taxoURI'].split("/")[-1])
+    o_view.write_config(config, "taxonomy", command_line, input_dms_name=input_dms_name, input_view_name=input_view_name)
+    o_dms.record_command_line(command_line)
+
+    #print("\n\nOutput view:\n````````````", file=sys.stderr)
+    #print(repr(o_view), file=sys.stderr)
+
+    # stdout output: write to buffer
+    if type(output_0)==BufferedWriter:
+        logger("info", "Printing to output...")
+        o_view.print_to_output(output_0, noprogressbar=config['obi']['noprogressbar'])
+        o_view.close()
+
+    # If the input and the output DMS are different or if stdout output, delete the temporary imported view used to create the final view
+    if i_dms != o_dms or type(output_0)==BufferedWriter:
+        View.delete_view(o_dms, imported_view_name)
+        o_dms.close(force=True)
+    i_dms.close(force=True)
+
+    logger("info", "Done.")

python/obitools3/commands/test.pyx

@@ -23,6 +23,7 @@ from obitools3.dms.capi.obiview cimport NUC_SEQUENCE_COLUMN, \
 import shutil
 import string
 import random
+import sys
 from cpython.exc cimport PyErr_CheckSignals
 
 
@@ -38,7 +39,7 @@ COL_COMMENTS_MAX_LEN = 2048
 MAX_INT = 2147483647    # used to generate random float values
  
  
-__title__="Tests if the obitools are working properly"
+__title__="Test if the obitools are working properly"
 
 
 default_config = {
@@ -300,8 +301,11 @@ def fill_column(config, infos, col) :
 def create_random_column(config, infos) :
     alias = random.choice([b'', random_unique_name(infos)])
     tuples = random.choice([True, False])
+    dict_column = False
     if not tuples :
         nb_elements_per_line=random.randint(1, config['test']['maxelts'])
+        if nb_elements_per_line > 1:
+            dict_column = True
         elements_names = []
         for i in range(nb_elements_per_line) :
             elements_names.append(random_unique_element_name(config, infos))
@@ -317,6 +321,7 @@ def create_random_column(config, infos) :
                                data_type, 
                                nb_elements_per_line=nb_elements_per_line,
                                elements_names=elements_names,
+                               dict_column=dict_column,
                                tuples=tuples,
                                comments=random_comments(config),
                                alias=alias
@@ -366,7 +371,7 @@ def random_new_view(config, infos, first=False):
             infos['view'] = View_NUC_SEQS.new(infos['dms'], random_unique_name(infos), comments=random_comments(config))   # TODO quality column
         else :
             infos['view'] = View.new(infos['dms'], random_unique_name(infos), comments=random_comments(config))   # TODO quality column
-        
+        infos['view'].write_config(config, "test", infos["command_line"], input_dms_name=[infos['dms'].name], input_view_name=["random"])
     print_test(config, repr(infos['view']))
     if v_to_clone is not None :
         if line_selection is None:
@@ -441,7 +446,7 @@ def addOptions(parser):
                        default=20,
                        type=int,
                        help="Maximum length of tuples. "
-                            "Default: 200")
+                            "Default: 20")
   
     group.add_argument('--max_ini_col_count','-o',
                        action="store", dest="test:maxinicolcount",
@@ -454,10 +459,10 @@ def addOptions(parser):
     group.add_argument('--max_line_nb','-l',
                        action="store", dest="test:maxlinenb",
                        metavar='<MAX_LINE_NB>',
-                       default=10000,
+                       default=1000,
                        type=int,
                        help="Maximum number of lines in a column. "
-                            "Default: 10000")
+                            "Default: 1000")
  
     group.add_argument('--max_elts_per_line','-e',
                        action="store", dest="test:maxelts",
@@ -497,7 +502,8 @@ def run(config):
                                     (b"OBI_SEQ", False): random_seq, (b"OBI_SEQ", True): random_seq_tuples,
                                     (b"OBI_STR", False): random_bytes, (b"OBI_STR", True): random_bytes_tuples
                                   },
-             'tests': [test_set_and_get, test_add_col, test_delete_col, test_col_alias, test_new_view]
+             'tests': [test_set_and_get, test_add_col, test_delete_col, test_col_alias, test_new_view],
+             'command_line': " ".join(sys.argv[1:])
             }
  
     # TODO ???

python/obitools3/commands/uniq.pyx

@@ -14,13 +14,15 @@ from obitools3.dms.capi.obitypes cimport OBI_INT, OBI_STR, index_t
 from obitools3.apps.optiongroups import addMinimalInputOption, \
                                         addMinimalOutputOption, \
                                         addTaxonomyOption, \
-                                        addEltLimitOption
+                                        addEltLimitOption, \
+                                        addNoProgressBarOption
 from obitools3.uri.decode import open_uri
 from obitools3.apps.config import logger
-from obitools3.utils cimport tobytes, tostr
+from obitools3.utils cimport tobytes, tostr, str2bytes
 
 import sys
 from cpython.exc cimport PyErr_CheckSignals
+from io import BufferedWriter
 
 
 __title__="Group sequence records together"
@@ -32,6 +34,7 @@ def addOptions(parser):
     addTaxonomyOption(parser)
     addMinimalOutputOption(parser)
     addEltLimitOption(parser)
+    addNoProgressBarOption(parser)
  
     group = parser.add_argument_group('obi uniq specific options')
  
@@ -143,12 +146,16 @@ cdef merge_taxonomy_classification(View_NUC_SEQS o_view, Taxonomy taxonomy, dict
     scientific_name_column = o_view[b"scientific_name"]  
     
     # Initialize the progress bar
-    pb = ProgressBar(len(o_view), config, seconde=5)
+    if config['obi']['noprogressbar'] == False:
+        pb = ProgressBar(len(o_view), config)
+    else:
+        pb = None
     
     i=0
     for seq in o_view:
         PyErr_CheckSignals()
-        pb(i)
+        if pb is not None:
+            pb(i)
         if MERGED_TAXID_COLUMN in seq :
             m_taxids = []            
             m_taxids_dict = seq[MERGED_TAXID_COLUMN]
@@ -191,7 +198,8 @@ cdef merge_taxonomy_classification(View_NUC_SEQS o_view, Taxonomy taxonomy, dict
             scientific_name_column[i] = taxonomy.get_scientific_name(taxid)
         i+=1
     
-    pb(len(o_view), force=True)
+    if pb is not None:
+        pb(len(o_view), force=True)
     
 
 cdef uniq_sequences(View_NUC_SEQS view, View_NUC_SEQS o_view, ProgressBar pb, dict config, list mergedKeys_list=None, Taxonomy taxonomy=None, bint mergeIds=False, list categories=None, int max_elts=1000000) :
@@ -297,7 +305,8 @@ cdef uniq_sequences(View_NUC_SEQS view, View_NUC_SEQS o_view, ProgressBar pb, di
     iter_view = iter(view)
     for i_seq in iter_view :
         PyErr_CheckSignals()
-        pb(i)
+        if pb is not None:
+            pb(i)
          
         # This can't be done in the same line as the unique_id tuple creation because it generates a bug
         # where Cython (version 0.25.2) does not detect the reference to the categs_list variable and deallocates 
@@ -307,6 +316,7 @@ cdef uniq_sequences(View_NUC_SEQS view, View_NUC_SEQS o_view, ProgressBar pb, di
         for x in categories :
             catl.append(i_seq[x])    
           
+        #unique_id = tuple(catl) + (i_seq_col[i],)
         unique_id = tuple(catl) + (i_seq_col.get_line_idx(i),)
         #unique_id = tuple(i_seq[x] for x in categories) + (seq_col.get_line_idx(i),)  # The line that cython can't read properly
          
@@ -344,6 +354,9 @@ cdef uniq_sequences(View_NUC_SEQS view, View_NUC_SEQS o_view, ProgressBar pb, di
         key = mergedKeys[k]
         merged_col_name = mergedKeys_m[k]
         
+#        if merged_infos[merged_col_name]['nb_elts'] == 1:
+#            raise Exception("Can't merge information from a tag with only one element (e.g. one sample ; don't use -m option)")
+        
         if merged_col_name in view:
             i_col = view[merged_col_name]
         else:
@@ -365,6 +378,7 @@ cdef uniq_sequences(View_NUC_SEQS view, View_NUC_SEQS o_view, ProgressBar pb, di
                               OBI_INT,
                               nb_elements_per_line=merged_infos[merged_col_name]['nb_elts'],
                               elements_names=list(merged_infos[merged_col_name]['elt_names']),
+                              dict_column=True,
                               comments=i_col.comments,
                               alias=merged_col_name
                              )
@@ -387,6 +401,7 @@ cdef uniq_sequences(View_NUC_SEQS view, View_NUC_SEQS o_view, ProgressBar pb, di
                               OBI_INT,
                               nb_elements_per_line=len(view),
                               elements_names=[id for id in i_id_col],
+                              dict_column=True,
                               alias=TAXID_DIST_COLUMN
                              )
 
@@ -414,12 +429,17 @@ cdef uniq_sequences(View_NUC_SEQS view, View_NUC_SEQS o_view, ProgressBar pb, di
     o_count_col = o_view[COUNT_COLUMN]
     if COUNT_COLUMN in view:
         i_count_col = view[COUNT_COLUMN]
+    
+    if pb is not None:
+        pb(len(view), force=True)
+        print("")
         
-    pb(len(view), force=True)
-    print("")
     logger("info", "Second browsing through the input")
+    
     # Initialize the progress bar
-    pb = ProgressBar(len(view), seconde=5)
+    if pb is not None:
+        pb = ProgressBar(len(view))
+        
     o_idx = 0
     total_treated = 0
     
@@ -453,7 +473,10 @@ cdef uniq_sequences(View_NUC_SEQS view, View_NUC_SEQS o_view, ProgressBar pb, di
             merged_dict[mkey] = {}
 
         for i_idx in merged_sequences:
-            pb(total_treated)
+            PyErr_CheckSignals()
+            
+            if pb is not None:
+                pb(total_treated)
  
             i_id = i_id_col[i_idx]
             i_seq = view[i_idx]
@@ -529,7 +552,8 @@ cdef uniq_sequences(View_NUC_SEQS view, View_NUC_SEQS o_view, ProgressBar pb, di
         o_count_col[o_idx] = o_count
         o_idx += 1
     
-    pb(len(view), force=True)
+    if pb is not None:
+        pb(len(view), force=True)
     
     # Deletes quality columns if there is one because the matching between sequence and quality will be broken (quality set to NA when sequence not)
     if QUALITY_COLUMN in view:
@@ -577,8 +601,23 @@ def run(config):
     if output is None:
         raise Exception("Could not create output view")
     
+    i_dms = input[0]
     entries = input[1]
-    o_view = output[1]
+    o_dms = output[0]
+    output_0 = output[0]
+    
+    # If stdout output create a temporary view that will be exported and deleted.
+    if type(output_0)==BufferedWriter:
+        temporary_view_name = b"temp"
+        i=0
+        while temporary_view_name in i_dms:  # Making sure view name is unique in input DMS
+            temporary_view_name = temporary_view_name+b"_"+str2bytes(str(i))
+            i+=1
+        o_view_name = temporary_view_name
+        o_dms = i_dms
+        o_view = View_NUC_SEQS.new(i_dms, o_view_name)
+    else:
+        o_view = output[1]
     
     if 'taxoURI' in config['obi'] and config['obi']['taxoURI'] is not None:
         taxo_uri = open_uri(config['obi']['taxoURI'])
@@ -589,7 +628,10 @@ def run(config):
         taxo = None
 
     # Initialize the progress bar
-    pb = ProgressBar(len(entries), config, seconde=5)
+    if config['obi']['noprogressbar'] == False:
+        pb = ProgressBar(len(entries), config)
+    else:
+        pb = None
     
     if len(entries) > 0:
         try:
@@ -597,7 +639,8 @@ def run(config):
         except Exception, e:
             raise RollbackException("obi uniq error, rollbacking view: "+str(e), o_view)
     
-    print("", file=sys.stderr)
+    if pb is not None:
+        print("", file=sys.stderr)
 
     # Save command config in View and DMS comments
     command_line = " ".join(sys.argv[1:])
@@ -607,13 +650,23 @@ def run(config):
         input_dms_name.append(config['obi']['taxoURI'].split("/")[-3])
         input_view_name.append("taxonomy/"+config['obi']['taxoURI'].split("/")[-1])
     o_view.write_config(config, "uniq", command_line, input_dms_name=input_dms_name, input_view_name=input_view_name)
-    output[0].record_command_line(command_line)
+    o_dms.record_command_line(command_line)
+
+    # stdout output: write to buffer
+    if type(output_0)==BufferedWriter:
+        logger("info", "Printing to output...")
+        o_view.print_to_output(output_0, noprogressbar=config['obi']['noprogressbar'])
+        o_view.close()
 
     #print("\n\nOutput view:\n````````````", file=sys.stderr)
     #print(repr(o_view), file=sys.stderr)
-    
-    input[0].close(force=True)
-    output[0].close(force=True)
+
+    # If stdout output, delete the temporary result view in the input DMS
+    if type(output_0)==BufferedWriter:
+        View.delete_view(i_dms, o_view_name)
+
+    i_dms.close(force=True)
+    o_dms.close(force=True)
 
     logger("info", "Done.")
 

python/obitools3/dms/capi/obidms.pxd

@@ -34,6 +34,7 @@ cdef extern from "obidms.h" nogil:
     int obi_close_dms(OBIDMS_p dms, bint force)
     char* obi_dms_get_dms_path(OBIDMS_p dms)
     char* obi_dms_get_full_path(OBIDMS_p dms, const_char_p path_name)
+    char* obi_dms_formatted_infos(OBIDMS_p dms, bint detailed)
     void obi_close_atexit()
     
     obiversion_t obi_import_column(const char* dms_path_1, const char* dms_path_2, const char* column_name, obiversion_t version_number)

python/obitools3/dms/capi/obidmscolumn.pxd

@@ -31,6 +31,7 @@ cdef extern from "obidmscolumn.h" nogil:
         const_char_p        elements_names
         OBIType_t           returned_data_type
         OBIType_t           stored_data_type
+        bint                dict_column
         bint                tuples
         bint                to_eval
         time_t              creation_date
@@ -63,10 +64,11 @@ cdef extern from "obidmscolumn.h" nogil:
     
     char* obi_get_elements_names(OBIDMS_column_p column)
     
-    char* obi_column_formatted_infos(OBIDMS_column_p column)
-
     index_t obi_column_get_element_index_from_name(OBIDMS_column_p column, const char* element_name)
     
     int obi_column_write_comments(OBIDMS_column_p column, const char* comments)
 
     int obi_column_add_comment(OBIDMS_column_p column, const char* key, const char* value)
+
+    char* obi_column_formatted_infos(OBIDMS_column_p column, bint detailed)
+    

python/obitools3/dms/capi/obiecopcr.pxd

@@ -8,6 +8,7 @@ cdef extern from "obi_ecopcr.h" nogil:
 
     int obi_ecopcr(const char* input_dms_name,
                    const char* i_view_name,
+                   const char* tax_dms_name,
                    const char* taxonomy_name,
                    const char* output_dms_name,
                    const char* o_view_name,

python/obitools3/dms/capi/obiecotag.pxd

@@ -11,4 +11,5 @@ cdef extern from "obi_ecotag.h" nogil:
                    const char* taxonomy_name,
                    const char* output_view_name,
                    const char* output_view_comments,
-                   double ecotag_threshold)
+                   double ecotag_threshold,
+                   double bubble_threshold)

python/obitools3/dms/capi/obitaxonomy.pxd

@@ -7,6 +7,8 @@ from libc.stdint   cimport int32_t
 
 cdef extern from "obidms_taxonomy.h" nogil:
 
+    extern int MIN_LOCAL_TAXID
+    
     struct ecotxnode :
         int32_t           taxid
         int32_t           rank
@@ -18,6 +20,13 @@ cdef extern from "obidms_taxonomy.h" nogil:
     ctypedef ecotxnode ecotx_t
 
 
+    struct econame_t : # can't get this struct to be accepted by Cython ('unknown size')
+        char*      name
+        char*      class_name
+        int32_t    is_scientific_name
+        ecotxnode* taxon
+
+
     struct ecotxidx_t :   
         int32_t  count
         int32_t  max_taxid
@@ -30,9 +39,14 @@ cdef extern from "obidms_taxonomy.h" nogil:
         char**   label
 
 
+    struct econameidx_t :   
+        int32_t    count
+        econame_t* names
+
+
     struct OBIDMS_taxonomy_t :
         ecorankidx_t* ranks
-#        econameidx_t* names
+        econameidx_t* names
         ecotxidx_t*   taxa
 
     ctypedef OBIDMS_taxonomy_t* OBIDMS_taxonomy_p
@@ -44,14 +58,18 @@ cdef extern from "obidms_taxonomy.h" nogil:
 
     OBIDMS_taxonomy_p obi_read_taxdump(const_char_p taxdump)
     
-    int obi_write_taxonomy(OBIDMS_p dms, OBIDMS_taxonomy_p tax, const_char_p tax_name)
+    int obi_write_taxonomy(OBIDMS_p dms, OBIDMS_taxonomy_p tax, const_char_p tax_name, bint update)
 
     int obi_close_taxonomy(OBIDMS_taxonomy_p taxonomy)
     
     ecotx_t* obi_taxo_get_parent_at_rank(ecotx_t* taxon, int32_t rankidx)
     
     ecotx_t* obi_taxo_get_taxon_with_taxid(OBIDMS_taxonomy_p taxonomy, int32_t taxid)
+
+    char* obi_taxo_get_name_from_name_idx(OBIDMS_taxonomy_p taxonomy, int32_t idx)
     
+    ecotx_t* obi_taxo_get_taxon_from_name_idx(OBIDMS_taxonomy_p taxonomy, int32_t idx)
+
     bint obi_taxo_is_taxon_under_taxid(ecotx_t* taxon, int32_t other_taxid)
     
     ecotx_t* obi_taxo_get_species(ecotx_t* taxon, OBIDMS_taxonomy_p taxonomy)
@@ -71,4 +89,4 @@ cdef extern from "obidms_taxonomy.h" nogil:
     int obi_taxo_add_preferred_name_with_taxon(OBIDMS_taxonomy_p tax, ecotx_t* taxon, const char* preferred_name)
 
     const char* obi_taxo_rank_index_to_label(int32_t rank_idx, ecorankidx_t* ranks)
-    
+

python/obitools3/dms/capi/obitypes.pxd

@@ -53,6 +53,8 @@ cdef extern from "obitypes.h" nogil:
     extern const_char_p  OBIQual_char_NA
     extern uint8_t*      OBIQual_int_NA
     extern void*         OBITuple_NA
+    
+    extern obiint_t      OBI_INT_MAX
 
     const_char_p name_data_type(int data_type)
 

python/obitools3/dms/capi/obiview.pxd

@@ -27,6 +27,7 @@ cdef extern from "obiview.h" nogil:
     extern const_char_p REVERSE_QUALITY_COLUMN
     extern const_char_p REVERSE_SEQUENCE_COLUMN
     extern const_char_p COUNT_COLUMN
+    extern const_char_p SCIENTIFIC_NAME_COLUMN
     extern const_char_p TAXID_COLUMN
     extern const_char_p MERGED_TAXID_COLUMN
     extern const_char_p MERGED_PREFIX
@@ -94,6 +95,7 @@ cdef extern from "obiview.h" nogil:
                             index_t nb_elements_per_line,
                             char* elements_names,
                             bint  elt_names_formatted,
+                            bint dict_column,
                             bint tuples,
                             bint to_eval,
                             const_char_p indexer_name,
@@ -103,13 +105,17 @@ cdef extern from "obiview.h" nogil:
                             bint create)
 
     int obi_view_delete_column(Obiview_p view, const_char_p column_name, bint delete_file)
-            
+
     OBIDMS_column_p obi_view_get_column(Obiview_p view, const_char_p column_name)
 
     OBIDMS_column_p* obi_view_get_pointer_on_column_in_view(Obiview_p view, const_char_p column_name)
 
     int obi_view_create_column_alias(Obiview_p view, const_char_p current_name, const_char_p alias)    
-    
+
+    char* obi_view_formatted_infos(Obiview_p view, bint detailed)
+
+    char* obi_view_formatted_infos_one_line(Obiview_p view)
+
     int obi_view_write_comments(Obiview_p view, const_char_p comments)
 
     int obi_view_add_comment(Obiview_p view, const_char_p key, const_char_p value)

python/obitools3/dms/column/column.pyx

@@ -7,7 +7,8 @@ __OBIDMS_COLUMN_CLASS__ = {}
 from ..capi.obitypes cimport name_data_type, \
                              obitype_t, \
                              obiversion_t, \
-                             OBI_QUAL
+                             OBI_QUAL, \
+                             OBI_STR
 
 from ..capi.obidms cimport obi_import_column
 
@@ -40,7 +41,8 @@ from obitools3.utils cimport tobytes, \
 from obitools3.dms.column import typed_column
  
 from libc.stdlib cimport free
- 
+from libc.string cimport strcpy
+  
 import importlib
 import inspect
 import pkgutil
@@ -89,6 +91,7 @@ cdef class Column(OBIWrapper) :
                    obitype_t data_type,
                    index_t   nb_elements_per_line=1,
                    list      elements_names=None,
+                   bint      dict_column=False,
                    bint      tuples=False,
                    bint      to_eval=False,
                    object    associated_column_name=b"",
@@ -97,6 +100,7 @@ cdef class Column(OBIWrapper) :
                    object    alias=b""):
         # TODO indexer_name?
         
+        cdef Column column
         cdef bytes  column_name_b = tobytes(column_name)
         cdef bytes  alias_b = tobytes(alias)
         cdef bytes  comments_b = str2bytes(json.dumps(bytes2str_object(comments)))
@@ -125,6 +129,10 @@ cdef class Column(OBIWrapper) :
         else:
             elements_names_p = NULL
         
+        if column_name_b == b"SAMPLE" or column_name_b == b"sample":
+        # force str type
+            data_type = OBI_STR
+        
         if data_type == OBI_QUAL:
             if associated_column_name_b == b"":
                 if column_name == QUALITY_COLUMN:
@@ -132,13 +140,14 @@ cdef class Column(OBIWrapper) :
                          raise RuntimeError("Cannot create column %s in view %s: trying to create quality column but no NUC_SEQ column to associate it with in the view" % (bytes2str(column_name_b),
                                                                                bytes2str(view.name)))
                     associated_column_name_b = NUC_SEQUENCE_COLUMN
-                    associated_column_version = view[NUC_SEQUENCE_COLUMN].version
+                    associated_column_version = view[NUC_SEQUENCE_COLUMN].version                    
                 elif column_name == REVERSE_QUALITY_COLUMN:
                     if REVERSE_SEQUENCE_COLUMN not in view:
                          raise RuntimeError("Cannot create column %s in view %s: trying to create reverse quality column but no REVERSE_SEQUENCE column to associate it with in the view" % (bytes2str(column_name_b),
                                                                                bytes2str(view.name)))
                     associated_column_name_b = REVERSE_SEQUENCE_COLUMN
                     associated_column_version = view[REVERSE_SEQUENCE_COLUMN].version
+                    
         
         if (obi_view_add_column(view                      = view.pointer(),
                                 column_name               = column_name_b,
@@ -149,6 +158,7 @@ cdef class Column(OBIWrapper) :
                                 nb_elements_per_line      = nb_elements_per_line,
                                 elements_names            = elements_names_p,
                                 elt_names_formatted       = False,
+                                dict_column               = dict_column,
                                 tuples                    = tuples,
                                 to_eval                   = to_eval,
                                 indexer_name              = NULL,
@@ -158,8 +168,19 @@ cdef class Column(OBIWrapper) :
                                 create                    = True)<0):
             raise RuntimeError("Cannot create column %s in view %s" % (bytes2str(column_name_b),
                                                                        bytes2str(view.name)))
-
-        return Column.open(view, alias_b)
+        
+        column = Column.open(view, alias_b)
+        
+        # Automatically associate nuc sequence column to quality column if necessary
+        if data_type == OBI_QUAL:
+            if column_name == QUALITY_COLUMN:
+                view[NUC_SEQUENCE_COLUMN].associated_column_name = column.name
+                view[NUC_SEQUENCE_COLUMN].associated_column_version = column.version
+            elif column_name == REVERSE_QUALITY_COLUMN:
+                view[REVERSE_SEQUENCE_COLUMN].associated_column_name = column.name
+                view[REVERSE_SEQUENCE_COLUMN].associated_column_version = column.version
+        
+        return column
  
  
     @staticmethod
@@ -186,7 +207,7 @@ cdef class Column(OBIWrapper) :
         
         column_p = column_pp[0]
         column_type = column_p.header.returned_data_type
-        column_class = Column.get_column_class(column_type, (column_p.header.nb_elements_per_line > 1), column_p.header.tuples)
+        column_class = Column.get_column_class(column_type, (column_p.header.nb_elements_per_line > 1 or column_p.header.dict_column == True), column_p.header.tuples)
         column = OBIWrapper.new_wrapper(column_class, column_pp)
         
         column._view = view
@@ -222,6 +243,7 @@ cdef class Column(OBIWrapper) :
                                 nb_elements_per_line      = -1,
                                 elements_names            = NULL,
                                 elt_names_formatted       = False,
+                                dict_column               = False,
                                 tuples                    = False,
                                 to_eval                   = False,
                                 indexer_name              = NULL,
@@ -288,15 +310,24 @@ cdef class Column(OBIWrapper) :
     
     @OBIWrapper.checkIsActive
     def __repr__(self) :
-        cdef bytes s
-        #cdef char* s_b
-        #cdef str s_str
-        #s_b = obi_column_formatted_infos(self.pointer())
-        #s_str = bytes2str(s_b)
-        #free(s_b)
-        s = self._alias + b", data type: " + self.data_type
-        #return s_str
-        return bytes2str(s)
+        cdef str s
+        cdef char* sc
+        cdef OBIDMS_column_p pointer = self.pointer()
+        sc = obi_column_formatted_infos(pointer, False)
+        s = bytes2str(sc)
+        free(sc)
+        return s
+
+
+    @OBIWrapper.checkIsActive
+    def repr_longformat(self) :
+        cdef str s
+        cdef char* sc
+        cdef OBIDMS_column_p pointer = self.pointer()
+        sc = obi_column_formatted_infos(pointer, True)
+        s = bytes2str(sc)
+        free(sc)
+        return s
     
          
     def close(self):  # TODO discuss, can't be called bc then bug when closing view that tries to close it in C
@@ -351,6 +382,13 @@ cdef class Column(OBIWrapper) :
             raise OBIDeactivatedInstanceError()
         return self.pointer().header.nb_elements_per_line
  
+    # dict_column property getter
+    @property
+    def dict_column(self):
+        if not self.active() :
+            raise OBIDeactivatedInstanceError()
+        return self.pointer().header.dict_column
+ 
     # data_type property getter
     @property
     def data_type(self):
@@ -407,6 +445,31 @@ cdef class Column(OBIWrapper) :
             raise OBIDeactivatedInstanceError()
         return obi_format_date(self.pointer().header.creation_date)
 
+
+    # associated_column name property getter and setter
+    @property
+    def associated_column_name(self):
+        if not self.active() :
+            raise OBIDeactivatedInstanceError()
+        return self.pointer().header.associated_column.column_name
+
+    @associated_column_name.setter
+    def associated_column_name(self, object new_name):
+        strcpy(self.pointer().header.associated_column.column_name, tobytes(new_name))
+
+
+    # associated_column version property getter and setter
+    @property
+    def associated_column_version(self):
+        if not self.active() :
+            raise OBIDeactivatedInstanceError()
+        return self.pointer().header.associated_column.version
+
+    @associated_column_version.setter
+    def associated_column_version(self, int new_version):
+        self.pointer().header.associated_column.version = new_version
+
+
     # comments property getter
     @property
     def comments(self):

python/obitools3/dms/column/typed_column/bool.pyx

@@ -38,11 +38,13 @@ cdef class Column_bool(Column):
             object  column_name,
             index_t nb_elements_per_line=1,
             object  elements_names=None,
+            bint    dict_column=False,
             bint    tuples=False,
             object  comments={}):
         return Column.new_column(view, column_name, OBI_BOOL,
                           nb_elements_per_line=nb_elements_per_line, 
-                          elements_names=elements_names, 
+                          elements_names=elements_names,
+                          dict_column=dict_column, 
                           tuples=tuples,
                           comments=comments)
                 

python/obitools3/dms/column/typed_column/char.pyx

@@ -36,12 +36,14 @@ cdef class Column_char(Column):
             object  column_name,
             index_t nb_elements_per_line=1,
             object  elements_names=None,
+            bint    dict_column=False,
             bint    tuples=False,
             object  comments={}):
         
         return Column.new_column(view, column_name, OBI_CHAR,
                                  nb_elements_per_line=nb_elements_per_line, 
                                  elements_names=elements_names, 
+                                 dict_column=dict_column, 
                                  tuples=tuples,
                                  comments=comments)
 

python/obitools3/dms/column/typed_column/float.pyx

@@ -36,12 +36,14 @@ cdef class Column_float(Column):
             object  column_name,
             index_t nb_elements_per_line=1,
             object  elements_names=None,
+            bint    dict_column=False,
             bint    tuples=False,
             object  comments={}):
         
         return Column.new_column(view, column_name, OBI_FLOAT,
                                  nb_elements_per_line=nb_elements_per_line, 
                                  elements_names=elements_names, 
+                                 dict_column=dict_column, 
                                  tuples=tuples,
                                  comments=comments)
 

python/obitools3/dms/column/typed_column/int.pyx

@@ -38,12 +38,14 @@ cdef class Column_int(Column):
             object  column_name,
             index_t nb_elements_per_line=1,
             object  elements_names=None,
+            bint    dict_column=False,
             bint    tuples=False,
             object  comments={}):
         
         return Column.new_column(view, column_name, OBI_INT,
                                  nb_elements_per_line=nb_elements_per_line, 
                                  elements_names=elements_names, 
+                                 dict_column=dict_column, 
                                  tuples=tuples,
                                  comments=comments)
 

python/obitools3/dms/column/typed_column/qual.pyx

@@ -38,6 +38,7 @@ cdef class Column_qual(Column_idx):
             object  column_name,
             index_t nb_elements_per_line=1,
             object  elements_names=None,
+            bint    dict_column=False,
             object  associated_column_name=b"",
             int     associated_column_version=-1,
             object  comments={}):
@@ -45,6 +46,7 @@ cdef class Column_qual(Column_idx):
         return Column.new_column(view, column_name, OBI_QUAL,
                                  nb_elements_per_line=nb_elements_per_line, 
                                  elements_names=elements_names, 
+                                 dict_column=dict_column, 
                                  tuples=False,
                                  associated_column_name=associated_column_name,
                                  associated_column_version=associated_column_name,

python/obitools3/dms/column/typed_column/seq.pyx

@@ -39,12 +39,14 @@ cdef class Column_seq(Column_idx):
             object  column_name,
             index_t nb_elements_per_line=1,
             object  elements_names=None,
+            bint    dict_column=False,
             bint    tuples=False,
             object  comments={}):
         
         return Column.new_column(view, column_name, OBI_SEQ,
                                  nb_elements_per_line=nb_elements_per_line, 
                                  elements_names=elements_names, 
+                                 dict_column=dict_column, 
                                  tuples=tuples,
                                  comments=comments)
 

python/obitools3/dms/column/typed_column/str.pyx

@@ -38,12 +38,14 @@ cdef class Column_str(Column_idx):
             object  column_name,
             index_t nb_elements_per_line=1,
             object  elements_names=None,
+            bint    dict_column=False,
             bint    tuples=False,
             object  comments={}):
         
         return Column.new_column(view, column_name, OBI_STR,
                                  nb_elements_per_line=nb_elements_per_line, 
                                  elements_names=elements_names, 
+                                 dict_column=dict_column, 
                                  tuples=tuples,
                                  comments=comments)
 
@@ -72,6 +74,9 @@ cdef class Column_str(Column_idx):
         if value is None :
             value_b = <char*>OBIStr_NA
         else :
+            if self.name == b'sample' or self.name == b'SAMPLE':
+                if type(value) == int:
+                    value = str(value) # force sample ids to be str
             value_bytes = tobytes(value)
             value_b = <char*>value_bytes
 
@@ -135,6 +140,9 @@ cdef class Column_multi_elts_str(Column_multi_elts_idx):
         if value is None :
             value_b = <char*>OBIStr_NA
         else :
+            if self.name == b'sample' or self.name == b'SAMPLE':
+                if type(value) == int:
+                    value = str(value) # force sample ids to be str
             value_bytes = tobytes(value)
             value_b = <char*>value_bytes
                 
@@ -204,6 +212,9 @@ cdef class Column_tuples_str(Column_idx):
             i = 0
             for elt in value :
                 if elt is not None and elt != '':
+                    if self.name == b'sample' or self.name == b'SAMPLE':
+                        if type(elt) == int:
+                            elt = str(elt) # force sample ids to be str
                     elt_b = tobytes(elt)
                     strcpy(array+i, <char*>elt_b)
                     i = i + len(elt_b) + 1

python/obitools3/dms/dms.pyx

@@ -10,7 +10,8 @@ from .capi.obidms cimport obi_open_dms, \
                           obi_dms_exists, \
                           obi_dms_get_full_path, \
                           obi_close_atexit, \
-                          obi_dms_write_comments
+                          obi_dms_write_comments, \
+                          obi_dms_formatted_infos
                                                       
 from .capi.obitypes cimport const_char_p
                             
@@ -32,6 +33,8 @@ from .object import OBIWrapper
 import json
 import time
 
+from libc.stdlib cimport free
+
 
 cdef class DMS(OBIWrapper):    
     
@@ -223,13 +226,24 @@ cdef class DMS(OBIWrapper):
 
 
     @OBIWrapper.checkIsActive
-    def __repr__(self):
-        cdef str s 
-        s=""
-        for view_name in self.keys():
-            view = self.get_view(view_name)
-            s = s + repr(view) + "\n"
-            view.close()
+    def __repr__(self) :
+        cdef str s
+        cdef char* sc
+        cdef OBIDMS_p pointer = self.pointer()
+        sc = obi_dms_formatted_infos(pointer, False)
+        s = bytes2str(sc)
+        free(sc)
+        return s
+
+
+    @OBIWrapper.checkIsActive
+    def repr_longformat(self) :
+        cdef str s
+        cdef char* sc
+        cdef OBIDMS_p pointer = self.pointer()
+        sc = obi_dms_formatted_infos(pointer, True)
+        s = bytes2str(sc)
+        free(sc)
         return s
     
 

python/obitools3/dms/obiseq.pxd

@@ -39,4 +39,6 @@ cdef class Nuc_Seq_Stored(Seq_Stored) :
     cpdef set_quality_char(self, object new_qual, int offset=*)
     cpdef object build_quality_array(self, list quality)
     cpdef bytes build_reverse_complement(self)
-    cpdef str get_str(self)
+    cpdef str get_str(self)
+    cpdef repr_bytes(self)
+    

python/obitools3/dms/obiseq.pyx

@@ -431,9 +431,12 @@ cdef class Nuc_Seq_Stored(Seq_Stored) :
         return len(self._view.get_column(NUC_SEQUENCE_COLUMN).get_line(self.index))
 
     def __repr__(self):
+        return bytes2str(self.repr_bytes())
+    
+    cpdef repr_bytes(self):
         if self.quality is None:
             formatter = FastaFormat()
         else:
             formatter = FastqFormat()
-        return bytes2str(formatter(self))
+        return formatter(self)
 

python/obitools3/dms/taxo/taxo.pxd

@@ -11,13 +11,16 @@ cdef class Taxonomy(OBIWrapper) :
     cdef bytes  _name
     cdef DMS    _dms
     cdef list   _ranks
+    cdef dict   _name_dict
     
     cdef inline OBIDMS_taxonomy_p pointer(self)
+    cdef fill_name_dict(self)
 
     cpdef Taxon get_taxon_by_idx(self, int idx)
     cpdef Taxon get_taxon_by_taxid(self, int taxid)
-    cpdef write(self, object prefix)
-    cpdef int add_taxon(self, str name, str rank_name, int parent_taxid, int min_taxid=*)
+    cpdef Taxon get_taxon_by_name(self, object taxon_name, object restricting_taxid=*)
+    cpdef write(self, object prefix, bint update=*)
+    cpdef int add_taxon(self, object name, object rank_name, int parent_taxid, int min_taxid=*)
     cpdef object get_species(self, int taxid)
     cpdef object get_genus(self, int taxid)
     cpdef object get_family(self, int taxid)

python/obitools3/dms/taxo/taxo.pyx

@@ -1,5 +1,7 @@
 #cython: language_level=3
 
+import sys
+
 from obitools3.utils cimport str2bytes, bytes2str, tobytes, tostr
 from ..capi.obidms cimport OBIDMS_p, obi_dms_get_full_path
                           
@@ -15,7 +17,11 @@ from ..capi.obitaxonomy cimport obi_taxonomy_exists, \
                                 obi_taxo_get_species, \
                                 obi_taxo_get_genus, \
                                 obi_taxo_get_family, \
-                                ecotx_t                
+                                ecotx_t, \
+                                econame_t, \
+                                obi_taxo_get_name_from_name_idx, \
+                                obi_taxo_get_taxon_from_name_idx
+                                
                                            
 from cpython.pycapsule cimport PyCapsule_New, PyCapsule_GetPointer
 import tarfile
@@ -24,11 +30,29 @@ from libc.stdlib  cimport free
 
 
 cdef class Taxonomy(OBIWrapper) :
-    # TODO function to import taxonomy?
-    
+    # TODO function to import taxonomy?    
+     
     cdef inline OBIDMS_taxonomy_p pointer(self) :
         return <OBIDMS_taxonomy_p>(self._pointer)        
 
+    cdef fill_name_dict(self):
+        print("Indexing taxon names...", file=sys.stderr)
+        
+        cdef OBIDMS_taxonomy_p pointer = self.pointer()
+        cdef ecotx_t*     taxon_p
+        cdef object       taxon_capsule
+        cdef bytes        name
+        cdef int          count
+        cdef int          n
+        
+        count = (<OBIDMS_taxonomy_p>pointer).names.count
+        
+        for n in range(count) :
+            name = obi_taxo_get_name_from_name_idx(pointer, n)
+            taxon_p = obi_taxo_get_taxon_from_name_idx(pointer, n)
+            taxon_capsule = PyCapsule_New(taxon_p, NULL, NULL)
+            self._name_dict[name] = Taxon(taxon_capsule, self)
+
 
     @staticmethod
     def exists(DMS dms, object name) :
@@ -69,13 +93,16 @@ cdef class Taxonomy(OBIWrapper) :
             raise RuntimeError("Error : Cannot read taxonomy %s" 
                                % tostr(name))
 
+        print("Taxonomy read", file=sys.stderr)
+
         taxo = OBIWrapper.new_wrapper(Taxonomy, pointer)
 
         dms.register(taxo)
 
         taxo._dms = dms
         taxo._name = tobytes(name)
-        
+        taxo._name_dict = {}
+        taxo.fill_name_dict()
         taxo._ranks = []
         for r in range((<OBIDMS_taxonomy_p>pointer).ranks.count) :
             taxo._ranks.append(obi_taxo_rank_index_to_label(r, (<OBIDMS_taxonomy_p>pointer).ranks))
@@ -118,19 +145,22 @@ cdef class Taxonomy(OBIWrapper) :
 
         taxo._dms = dms
         taxo._name = folder_path
-        
+        taxo._name_dict = {}
+        taxo.fill_name_dict()
         taxo._ranks = []
         for r in range((<OBIDMS_taxonomy_p>pointer).ranks.count) :
             taxo._ranks.append(obi_taxo_rank_index_to_label(r, (<OBIDMS_taxonomy_p>pointer).ranks))
-                
+        
+        print('Read %d taxa' % len(taxo), file=sys.stderr)
+        
         return taxo
 
     
     def __getitem__(self, object ref):     
         if type(ref) == int :
             return self.get_taxon_by_taxid(ref)
-        else :
-            raise NotImplementedError()
+        elif type(ref) == str or type(ref) == bytes :
+            return self.get_taxon_by_name(ref)
 
 
     cpdef Taxon get_taxon_by_taxid(self, int taxid):
@@ -143,6 +173,20 @@ cdef class Taxonomy(OBIWrapper) :
         return Taxon(taxon_capsule, self)
 
 
+    cpdef Taxon get_taxon_by_name(self, object taxon_name, object restricting_taxid=None):            
+        #print(taxon_name)
+        taxon = self._name_dict.get(tobytes(taxon_name), None)
+        if not taxon:
+            return None
+        elif restricting_taxid:
+            if self.is_ancestor(restricting_taxid, taxon.taxid):
+                return taxon
+            else:
+                return None
+        else:
+            return taxon
+
+
     cpdef Taxon get_taxon_by_idx(self, int idx):
         cdef ecotx_t* taxa
         cdef ecotx_t* taxon_p
@@ -232,19 +276,19 @@ cdef class Taxonomy(OBIWrapper) :
  
         taxa = self.pointer().taxa.taxon
  
-        # Yield each taxid
+        # Yield each taxon
         for t in range(self.pointer().taxa.count):
             taxon_p = <ecotx_t*> (taxa+t)
             taxon_capsule = PyCapsule_New(taxon_p, NULL, NULL)
             yield Taxon(taxon_capsule, self)
 
 
-    cpdef write(self, object prefix) :
-        if obi_write_taxonomy(self._dms.pointer(), self.pointer(), tobytes(prefix)) < 0 :
+    cpdef write(self, object prefix, bint update=False) :
+        if obi_write_taxonomy(self._dms.pointer(), self.pointer(), tobytes(prefix), update) < 0 :
             raise Exception("Error writing the taxonomy to binary files")
     
     
-    cpdef int add_taxon(self, str name, str rank_name, int parent_taxid, int min_taxid=10000000) :
+    cpdef int add_taxon(self, object name, object rank_name, int parent_taxid, int min_taxid=10000000) :
         cdef int taxid
         taxid = obi_taxo_add_local_taxon(self.pointer(), tobytes(name), tobytes(rank_name), parent_taxid, min_taxid)
         if taxid < 0 :
@@ -267,6 +311,11 @@ cdef class Taxonomy(OBIWrapper) :
     def name(self):
         return self._name
     
+    # ranks property getter
+    @property
+    def ranks(self):
+        return self._ranks
+
     
     def parental_tree_iterator(self, int taxid):
         """
@@ -276,15 +325,17 @@ cdef class Taxonomy(OBIWrapper) :
         cdef Taxon taxon
         try:
             taxon = self.get_taxon_by_taxid(taxid)
-        except:
-            raise StopIteration
+        except Exception as e:
+            print('\n'+e, file=sys.stderr)
+            return 
         if taxon is not None:
             while taxon.taxid != 1:
                 yield taxon
+                #print(taxon.taxid)
                 taxon = taxon.parent
             yield taxon
         else:
-            raise StopIteration
+            return
 
 
     def is_ancestor(self, int ancestor_taxid, int taxid):

python/obitools3/dms/view/view.pxd

@@ -20,6 +20,10 @@ cdef class View(OBIWrapper):
     cdef DMS _dms
     
     cdef inline Obiview_p pointer(self)   
+
+    cpdef print_to_output(self, 
+                          object output, 
+                          bint noprogressbar=*)
         
     cpdef delete_column(self, 
                         object column_name,
@@ -61,6 +65,8 @@ cdef class Line :
     cdef index_t _index
     cdef View    _view
     
+    cpdef repr_bytes(self)
+
 
 cdef register_view_class(bytes view_type_name,
                          type view_class)

python/obitools3/dms/view/view.pyx

@@ -6,6 +6,9 @@ cdef dict __VIEW_CLASS__= {}
 
 from libc.stdlib  cimport malloc
 
+from obitools3.apps.progress cimport ProgressBar  # @UnresolvedImport
+from obitools3.version import version
+
 from ..capi.obiview cimport Alias_column_pair_p, \
                             obi_new_view, \
                             obi_open_view, \
@@ -16,7 +19,9 @@ from ..capi.obiview cimport Alias_column_pair_p, \
                             obi_view_delete_column, \
                             obi_view_create_column_alias, \
                             obi_view_write_comments, \
-                            obi_delete_view
+                            obi_delete_view, \
+                            obi_view_formatted_infos, \
+                            obi_view_formatted_infos_one_line
                            
 from ..capi.obidmscolumn cimport OBIDMS_column_p
 from ..capi.obidms cimport OBIDMS_p
@@ -48,10 +53,15 @@ from ..capi.obidms cimport obi_import_view
 
 from obitools3.format.tab import TabFormat
 
+from cpython.exc cimport PyErr_CheckSignals
+
 import importlib
 import inspect
 import pkgutil
 import json
+import sys
+
+from libc.stdlib cimport free
 
 
 cdef class View(OBIWrapper) :
@@ -67,7 +77,7 @@ cdef class View(OBIWrapper) :
  
  
     @staticmethod
-    def import_view(object dms_1, object dms_2, object view_name_1, object view_name_2):
+    def import_view(object dms_1, object dms_2, object view_name_1, object view_name_2): # TODO argument to import line by line to avoid huge AVL copy
         if obi_import_view(tobytes(dms_1), tobytes(dms_2), tobytes(view_name_1), tobytes(view_name_2)) < 0 :
             raise Exception("Error importing a view")
 
@@ -178,13 +188,50 @@ cdef class View(OBIWrapper) :
     
     
     @OBIWrapper.checkIsActive
-    def __repr__(self) :         
-        cdef str s = "#View name:\n{name:s}\n#Line count:\n{line_count:d}\n#Columns:\n".format(name       = bytes2str(self.name),
-                                                                                                                         line_count = self.line_count)
-        for column_name in self.keys() :
-            s = s + repr(self[column_name]) + '\n'
+    def __repr__(self) :
+        cdef str s
+        cdef char* sc
+        cdef Obiview_p pointer = self.pointer()
+        sc = obi_view_formatted_infos(pointer, False)
+        s = bytes2str(sc)
+        free(sc)
         return s
-    
+
+
+    @OBIWrapper.checkIsActive
+    def repr_longformat(self) :
+        cdef str s
+        cdef char* sc
+        cdef Obiview_p pointer = self.pointer()
+        sc = obi_view_formatted_infos(pointer, True)
+        s = bytes2str(sc)
+        free(sc)
+        return s
+
+
+    cpdef print_to_output(self, object output, bint noprogressbar=False):      
+        
+        cdef int i
+        cdef Line entry
+        
+        self.checkIsActive(self)
+        
+        # Initialize the progress bar
+        if noprogressbar == False:
+            pb = ProgressBar(len(self))
+        else:
+            pb = None
+        i=0
+        for entry in self:
+            PyErr_CheckSignals()
+            if pb is not None:
+                pb(i)
+            output.write(entry.repr_bytes()+b"\n")
+            i+=1
+        if pb is not None:
+            pb(len(self), force=True)
+            print("", file=sys.stderr)
+
      
     def keys(self):
         
@@ -296,9 +343,9 @@ cdef class View(OBIWrapper) :
 
         new_column = Column.new_column(self, old_column.pointer().header.name, new_data_type, 
                                        nb_elements_per_line=new_nb_elements_per_line, elements_names=new_elements_names, 
-                                       comments=old_column.comments, alias=column_name_b+tobytes('___new___'))
+                                       dict_column=(new_nb_elements_per_line>1), comments=old_column.comments, alias=column_name_b+tobytes('___new___'))
         
-        switch_to_dict = old_column.nb_elements_per_line == 1 and new_nb_elements_per_line > 1
+        switch_to_dict = not old_column.dict_column and new_nb_elements_per_line > 1
         ori_key = old_column._elements_names[0]
         
         for i in range(length) :
@@ -357,6 +404,7 @@ cdef class View(OBIWrapper) :
                                   col.data_type_int, 
                                   nb_elements_per_line = col.nb_elements_per_line,
                                   elements_names = col._elements_names,
+                                  dict_column = col.dict_column,
                                   tuples = col.tuples,
                                   to_eval = col.to_eval,
                                   comments = col.comments,
@@ -405,6 +453,7 @@ cdef class View(OBIWrapper) :
             for i in range(len(input_view_name)):
                 input_str.append(tostr(input_dms_name[i])+"/"+tostr(input_view_name[i]))
         comments["input_str"] = input_str
+        comments["version"] = version
         return bytes2str_object(comments)
 
     
@@ -551,7 +600,8 @@ cdef class View(OBIWrapper) :
                 if element is not None:
                     if element.comments[b"input_dms_name"] is not None :
                         for i in range(len(element.comments[b"input_dms_name"])) :
-                            if element.comments[b"input_dms_name"][i] == element.dms.name and b"/" not in element.comments[b"input_view_name"][i]:  # Same DMS and not a special element like a taxonomy
+                            if b"/" not in element.comments[b"input_view_name"][i] and element.comments[b"input_view_name"][i] in element.dms \
+                            and element.comments[b"input_dms_name"][i] == element.dms.name :  # Same DMS and not a special element like a taxonomy and view was not deleted
                                 top_level.append(element.dms[element.comments[b"input_view_name"][i]])
                             else:
                                 top_level.append(None)
@@ -749,7 +799,8 @@ cdef class Line :
  
  
     def keys(self):
-        return self._view.keys()
+        cdef bytes key
+        return [key for key in self._view.keys()]
  
  
     def __contains__(self, object column_name):
@@ -757,8 +808,12 @@ cdef class Line :
 
 
     def __repr__(self):
+        return bytes2str(self.repr_bytes())
+
+
+    cpdef repr_bytes(self):
         formatter = TabFormat(header=False)
-        return bytes2str(formatter(self))
+        return formatter(self)
 
 
     # View property getter

python/obitools3/format/fasta.pyx

@@ -7,11 +7,12 @@ from obitools3.utils cimport bytes2str
 
 cdef class FastaFormat:
 	
-	def __init__(self, list tags=[], bint printNAKeys=False, bytes NAString=b"NA"):
+	def __init__(self, list tags=[], bint printNAKeys=False, bytes NAString=b"NA", bint NAIntTo0=False):
 		self.headerFormatter = HeaderFormat("fasta",
 										    tags=tags,
 										    printNAKeys=printNAKeys,
-										    NAString=NAString)
+										    NAString=NAString,
+										    NAIntTo0=NAIntTo0)
 		
 	@cython.boundscheck(False)	
 	def __call__(self, object data):

python/obitools3/format/fastq.pyx

@@ -8,11 +8,12 @@ from obitools3.utils cimport bytes2str, str2bytes, tobytes
 # TODO quality offset option?
 cdef class FastqFormat:
 	
-	def __init__(self, list tags=[], bint printNAKeys=False, bytes NAString=b"NA"):
+	def __init__(self, list tags=[], bint printNAKeys=False, bytes NAString=b"NA", bint NAIntTo0=False):
 		self.headerFormatter = HeaderFormat("fastq",
 										    tags=tags,
 										    printNAKeys=printNAKeys,
-										    NAString=NAString)
+										    NAString=NAString,
+                                            NAIntTo0=NAIntTo0)
 		
 	@cython.boundscheck(False)	
 	def __call__(self, object data):

python/obitools3/format/header.pxd

@@ -4,5 +4,6 @@ cdef class HeaderFormat:
     cdef set    tags
     cdef bint   printNAKeys
     cdef bytes  NAString
+    cdef bint   NAIntTo0
     cdef size_t headerBufferLength
     

python/obitools3/format/header.pyx

@@ -8,13 +8,14 @@ from obitools3.dms.capi.obiview cimport NUC_SEQUENCE_COLUMN, \
 
 from obitools3.utils cimport str2bytes, bytes2str_object
 from obitools3.dms.column.column cimport Column_line
+from obitools3.dms.column.typed_column.int cimport Column_int, Column_multi_elts_int
 
 
 cdef class HeaderFormat:
     
     SPECIAL_KEYS = [NUC_SEQUENCE_COLUMN, ID_COLUMN, DEFINITION_COLUMN, QUALITY_COLUMN]
     
-    def __init__(self, str format="fasta", list tags=[], bint printNAKeys=False, bytes NAString=b"NA"):
+    def __init__(self, str format="fasta", list tags=[], bint printNAKeys=False, bytes NAString=b"NA", bint NAIntTo0=False):
         '''
             @param format: 
             @type  format: `str`
@@ -32,6 +33,7 @@ cdef class HeaderFormat:
         self.tags           = set(tags)
         self.printNAKeys    = printNAKeys
         self.NAString       = NAString
+        self.NAIntTo0       = NAIntTo0
         
         if format=="fasta":
             self.start=b">"
@@ -57,17 +59,25 @@ cdef class HeaderFormat:
             if k in tags:
                 value = data[k]
                 if value is None or (isinstance(value, Column_line) and value.is_NA()):
-                    if self.printNAKeys:
+                    if isinstance(data.view[k], Column_int) and self.NAIntTo0: # people want missing int values to be 0
+                        value = b'0'
+                    elif self.printNAKeys:
                         value = self.NAString
                     else:
                         value = None
                 else:
                     if type(value) == Column_line:
-                        value = value.bytes()
+                        if isinstance(data.view[k], Column_multi_elts_int) and self.NAIntTo0:
+                            value = dict(value)
+                            for key in data.view[k].keys():
+                                if key not in value or value[key]:
+                                    value[key] = 0
+                        else:
+                            value = value.bytes()
                     else:
                         if type(value) == tuple:
                             value=list(value)
-                        value = str2bytes(str(bytes2str_object(value))) # genius programming
+                    value = str2bytes(str(bytes2str_object(value))) # genius programming
                 if value is not None:
                     lines.append(k + b"=" + value + b";")   
                 

python/obitools3/format/tab.pxd

@@ -4,5 +4,8 @@ cdef class TabFormat:
     cdef bint header
     cdef bint first_line
     cdef bytes NAString
-    cdef list tags
-    cdef bytes sep
+    cdef set   tags
+    cdef bytes sep
+    cdef bint NAIntTo0
+    cdef bint metabaR
+    cdef bint ngsfilter

python/obitools3/format/tab.pyx

@@ -4,51 +4,88 @@ cimport cython
 from obitools3.dms.view.view cimport Line
 from obitools3.utils cimport bytes2str_object, str2bytes, tobytes
 from obitools3.dms.column.column cimport Column_line, Column_multi_elts
+from obitools3.dms.column.typed_column.int cimport Column_int, Column_multi_elts_int
 
+import sys
 
 cdef class TabFormat:
     
-    def __init__(self, header=True, bytes NAString=b"NA", bytes sep=b"\t"):
+    def __init__(self, list tags=[], header=True, bytes NAString=b"NA", bytes sep=b"\t", bint NAIntTo0=True, metabaR=False, ngsfilter=False):
+        self.tags = set(tags)
         self.header = header
         self.first_line = True
         self.NAString = NAString
         self.sep = sep
+        self.NAIntTo0 = NAIntTo0
+        self.metabaR = metabaR
+        self.ngsfilter = ngsfilter
         
     @cython.boundscheck(False)    
     def __call__(self, object data):
         
+        cdef object ktags
+        cdef list tags = [key for key in data]
+        
         line = []
-        
-        if self.first_line:
-            self.tags = [k for k in data.keys()]
-        
-        for k in self.tags:
-            
-            if self.header and self.first_line:
-                if isinstance(data.view[k], Column_multi_elts):
-                    for k2 in data.view[k].keys():
-                        line.append(tobytes(k)+b':'+tobytes(k2))
-                else:
-                    line.append(tobytes(k))
-            else:
+        if self.tags != None and self.tags:
+            ktags = list(self.tags)
+        else:
+            ktags = list(set(tags))   
+                     
+        ktags.sort()
+                        
+        if self.header and self.first_line:
+            for k in ktags:
+                if k in tags:
+                    if self.metabaR:
+                        if k == b'NUC_SEQ':
+                            ktoprint = b'sequence'
+                        else:
+                            ktoprint = k.lower()
+                        ktoprint = ktoprint.replace(b'merged_', b'')
+                    else:
+                        ktoprint = k
+                    if isinstance(data.view[k], Column_multi_elts):
+                        keys = data.view[k].keys()
+                        keys.sort()
+                        for k2 in keys:
+                            line.append(tobytes(ktoprint)+b':'+tobytes(k2))
+                    else:
+                        line.append(tobytes(ktoprint))
+            r = self.sep.join(value for value in line)
+            r += b'\n'
+            line = []
+                    
+        for k in ktags:
+            if k in tags:
                 value = data[k]
                 if isinstance(data.view[k], Column_multi_elts):
+                    keys = data.view[k].keys()
+                    keys.sort()
                     if value is None:  # all keys at None
-                        for k2 in data.view[k].keys(): # TODO could be much more efficient
+                        for k2 in keys: # TODO could be much more efficient
                             line.append(self.NAString)
                     else:
-                        for k2 in data.view[k].keys(): # TODO could be much more efficient
+                        for k2 in keys: # TODO could be much more efficient
                             if value[k2] is not None:
                                 line.append(str2bytes(str(bytes2str_object(value[k2]))))  # genius programming
                             else:
-                                line.append(self.NAString)
+                                if self.NAIntTo0 and isinstance(data.view[k], Column_multi_elts_int):
+                                    line.append(b"0")
+                                else:
+                                    line.append(self.NAString)
                 else:
-                    if value is not None:
+                    if value is not None or (self.NAIntTo0 and isinstance(data.view[k], Column_int)):
                         line.append(str2bytes(str(bytes2str_object(value))))
                     else:
                         line.append(self.NAString)
-                  	
+                  	      	
+        if self.header and self.first_line:
+            r += self.sep.join(value for value in line)
+        else:
+            r = self.sep.join(value for value in line)
+
         if self.first_line:
             self.first_line = False
-      		
-        return self.sep.join(value for value in line)
+
+        return r

python/obitools3/libalign/_solexapairend.pyx

@@ -183,8 +183,9 @@ def buildConsensus(ali, seq, ref_tags=None):
         # doesn't work because uint8_t* are forced into bytes by cython (nothing read/kept beyond 0 values)
         #obi_set_qual_int_with_elt_idx_and_col_p_in_view(view_p, col_p, seq.index, 0, ali.consensus_qual, ali.consensus_len)
         seq.set(ref_tags.id+b"_CONS", ali.consensus_seq, quality=ali.consensus_qual)
-        seq[b'ali_length'] = ali.consensus_len
-        seq[b'score_norm']=float(ali.score)/ali.consensus_len
+        seq[b"seq_length"] = ali.consensus_len
+        seq[b"overlap_length"] = ali.overlap_len
+        seq[b'score_norm']=round(float(ali.score)/ali.overlap_len, 3)
         seq[b'shift']=ali.shift
     else:
         if len(ali[0])>999:   # TODO why?
@@ -256,9 +257,10 @@ def buildJoinedSequence(ali, reverse, seq, forward=None):
         seq[b"ali_direction"]=None
     seq[b"mode"]=b"joined"
     seq[b"pairedend_limit"]=len(forward)
-    seq[b"ali_length"] = ali.consensus_len
-    if ali.consensus_len > 0:
-        seq[b"score_norm"]=float(ali.score)/ali.consensus_len
+    seq[b"seq_length"] = ali.consensus_len
+    seq[b"overlap_length"] = ali.overlap_len
+    if ali.overlap_len > 0:
+        seq[b'score_norm']=round(float(ali.score)/ali.overlap_len, 3)
     else:
         seq[b"score_norm"]=0.0
   

python/obitools3/parsers/fastq.pyx

@@ -103,7 +103,11 @@ def fastqWithQualityIterator(lineiterator,
         yield seq
 
         read+=1
-        hline = next(i)
+        try:
+            hline = next(i)
+        except StopIteration:
+            return
+
     
 
 def fastqWithoutQualityIterator(lineiterator, 
@@ -174,5 +178,7 @@ def fastqWithoutQualityIterator(lineiterator,
         yield seq
     
         read+=1
-        hline = next(i)
-        
+        try:
+            hline = next(i)
+        except StopIteration:
+            return        

python/obitools3/parsers/genbank.pyx

@@ -22,11 +22,11 @@ from libc.stdlib  cimport free, malloc, realloc
 from libc.string cimport strcpy, strlen
 
 
-_featureMatcher = re.compile(b'^FEATURES.+\n(?=ORIGIN)',re.DOTALL + re.M)
+_featureMatcher = re.compile(b'^FEATURES.+\n(?=ORIGIN(\s*))',re.DOTALL + re.M)
 
 _headerMatcher = re.compile(b'^LOCUS.+(?=\nFEATURES)', re.DOTALL + re.M)
-_seqMatcher    = re.compile(b'ORIGIN.+(?=//\n)', re.DOTALL + re.M)
-_cleanSeq1     = re.compile(b'ORIGIN.+\n')
+_seqMatcher    = re.compile(b'^ORIGIN.+(?=//\n)', re.DOTALL + re.M)
+_cleanSeq1     = re.compile(b'ORIGIN(\s*)\n')
 _cleanSeq2     = re.compile(b'[ \n0-9]+')
 _acMatcher     = re.compile(b'(?<=^ACCESSION   ).+',re.M)
 _deMatcher     = re.compile(b'(?<=^DEFINITION  ).+\n( .+\n)*',re.M)
@@ -155,10 +155,10 @@ def genbankIterator_file(lineiterator,
         yield seq
         read+=1
     
-    # Last sequence
-    seq = genbankParser(entry)
-    
-    yield seq
+    # Last sequence if not empty lines
+    if entry.strip():
+        seq = genbankParser(entry)
+        yield seq
     
     free(entry)
 

python/obitools3/parsers/ngsfilter.pyx

@@ -48,24 +48,25 @@ def ngsfilterIterator(lineiterator,
         all_lines.insert(0, firstline)
         
     # Insert header for column names
-    column_names = [b"experiment", b"sample", b"forward_tag", b"reverse_tag", b"forward_primer", b"reverse_primer"]
+    column_names = [b"experiment", b"sample", b"forward_tag", b"reverse_tag", b"forward_primer", b"reverse_primer"] #,b"additional_info"]
     header = out_sep.join(column_names)
     
     new_lines.append(header)
         
     for line in all_lines:
-        split_line = line.split()
-        tags = split_line.pop(2)
-        tags = tags.split(b":")
-        for t_idx in range(len(tags)):
-            if tags[t_idx]==b"-" or tags[t_idx]==b"None" or tags[t_idx]==b"":
-                tags[t_idx] = nastring
-        if len(tags) == 1:          # Forward and reverse tags are the same
-            tags.append(tags[0])
-        split_line.insert(2, tags[0])
-        split_line.insert(3, tags[1])
-        new_lines.append(out_sep.join(split_line[0:6]))
-    
+        split_line = line.split(maxsplit=5)
+        if split_line:
+            tags = split_line.pop(2)
+            tags = tags.split(b":")
+            for t_idx in range(len(tags)):
+                if tags[t_idx]==b"-" or tags[t_idx]==b"None" or tags[t_idx]==b"":
+                    tags[t_idx] = nastring
+            if len(tags) == 1:          # Forward and reverse tags are the same
+                tags.append(tags[0])
+            split_line.insert(2, tags[0])
+            split_line.insert(3, tags[1])
+            new_lines.append(out_sep.join(split_line[0:6]))
+        
     return tabIterator(iter(new_lines),
                        header = True,
                        sep = out_sep,

python/obitools3/parsers/tab.pyx

@@ -8,7 +8,7 @@ Created on feb 20th 2018
 
 import types
 from obitools3.utils cimport __etag__
-
+from obitools3.utils cimport str2bytes
 
 def tabIterator(lineiterator, 
                 bint header = False,
@@ -75,7 +75,7 @@ def tabIterator(lineiterator,
                 continue
             else:
                 # TODO ??? default column names? like R?
-                keys = [i for i in range(len(line.split(sep)))]
+                keys = [str2bytes(str(i)) for i in range(len(line.split(sep)))]
                 
         while skipped < skip :
             line = next(iterator)
@@ -99,7 +99,10 @@ def tabIterator(lineiterator,
         
         read+=1
         
-        line = next(iterator)
+        try:
+            line = next(iterator)
+        except StopIteration:
+            return 
     
         
         

python/obitools3/parsers/universal.pyx

@@ -53,7 +53,11 @@ def entryIteratorFactory(lineiterator,
 
     i = iterator
         
-    first=next(i)    
+    try:
+        first=next(i)
+    except StopIteration:
+        first=""
+        pass
 
     format=b"tabular"
     

python/obitools3/uri/decode.pyx

@@ -173,7 +173,10 @@ def open_uri(uri,
              type newviewtype=View,
              dms_only=False,
              force_file=False):
-    
+
+    if type(uri) == str and not uri.isascii():
+        raise Exception("Paths must be ASCII characters only")
+            
     cdef bytes urib = tobytes(uri)
     cdef bytes scheme
     cdef tuple dms
@@ -192,7 +195,7 @@ def open_uri(uri,
     
     config = getConfiguration()
     urip = urlparse(urib)
-            
+        
     if 'obi' not in config:
         config['obi']={}
     
@@ -209,12 +212,14 @@ def open_uri(uri,
     scheme = urip.scheme
     
     error = None
-    
-    if scheme==b"dms" or \
-        (scheme==b"" and \
-         (((not input) and "outputformat" not in config["obi"]) or \
-         (input and "inputformat" not in config["obi"]))):   # TODO maybe not best way
         
+    if b'/taxonomy/' in urib or \
+        (urib != b"-" and \
+        (scheme==b"dms" or \
+         (scheme==b"" and \
+          (((not input) and "outputformat" not in config["obi"]) or \
+          (input and "inputformat" not in config["obi"]))))):   # TODO maybe not best way
+                
         if default_dms is not None and b"/" not in urip.path:   # assuming view to open in default DMS (TODO discuss)
             dms=(default_dms, urip.path)
         else:
@@ -222,7 +227,7 @@ def open_uri(uri,
         
         if dms is None and default_dms is not None:
             dms=(default_dms, urip.path)
-
+                
         if dms is not None:
             if dms_only:
                 return (dms[0],
@@ -247,7 +252,7 @@ def open_uri(uri,
                 
                 if default_dms is None:
                     config["obi"]["defaultdms"]=resource[0]
-                                
+                
                 return (resource[0],
                         resource[1],
                         type(resource[1]),
@@ -275,11 +280,16 @@ def open_uri(uri,
             iseq = urib
             objclass = bytes
     else:  # TODO update uopen to be able to write? 
-        if urip.path:
-            file = open(urip.path, 'wb')
-        else:
+        if 'outputformat' in config['obi'] and config['obi']['outputformat'] == b'metabaR':
+            if 'metabarprefix' not in config['obi']:
+                raise Exception("Prefix needed when exporting for metabaR (--metabaR-prefix option)")
+            else:
+                file = open(config['obi']['metabarprefix']+'.tab', 'wb')
+        elif not urip.path or urip.path == b'-':
             file = sys.stdout.buffer
-        
+        else:
+            file = open(urip.path, 'wb')
+
     if file is not None:
         qualifiers=parse_qs(urip.query)
         
@@ -297,11 +307,11 @@ def open_uri(uri,
                     format=config["obi"][formatkey]
                 except KeyError:
                     format=None
-                
+                       
         if b'seqtype' in qualifiers:
             seqtype=qualifiers[b'seqtype'][0]
         else:
-            if format == b"ngsfilter" or format == b"tabular":  # TODO discuss
+            if format == b"ngsfilter" or format == b"tabular" or format == b"metabaR":  # TODO discuss
                 seqtype=None
             else:
                 try:
@@ -385,10 +395,10 @@ def open_uri(uri,
             raise MalformedURIException('Malformed header argument in URI')
        
         if b"sep" in qualifiers:
-            sep=tobytes(qualifiers[b"sep"][0][0])
+            sep = tobytes(qualifiers[b"sep"][0][0])
         else:
             try:
-                sep=tobytes(config["obi"]["sep"])
+                sep = tobytes(config["obi"]["sep"])
             except KeyError:
                 sep=None
         
@@ -425,7 +435,21 @@ def open_uri(uri,
                 nastring=tobytes(config["obi"][nakey])
             except KeyError:
                 nastring=b'NA'
-                
+
+        if b"na_int_to_0" in qualifiers:
+            try:
+                na_int_to_0=eval(qualifiers[b"na_int_to_0"][0])
+            except Exception as e:
+                raise MalformedURIException("Malformed 'NA_int_to_0' argument in URI")
+        else:
+            try:
+                na_int_to_0=config["obi"]["na_int_to_0"]
+            except KeyError:
+                if format==b"tabular" or format==b"metabaR":
+                    na_int_to_0=True
+                else:
+                    na_int_to_0=False
+                       
         if b"stripwhite" in qualifiers:
             try:
                 stripwhite=eval(qualifiers[b"stripwhite"][0])
@@ -460,17 +484,36 @@ def open_uri(uri,
             except KeyError:
                 commentchar=b'#'
 
+        if b"only_keys" in qualifiers:
+            only_keys=qualifiers[b"only_keys"][0] # not sure that works but no one ever uses qualifiers
+        else:
+            try:
+                only_keys_str=config["obi"]["only_keys"]
+                only_keys=[]
+                for key in only_keys_str:
+                    only_keys.append(tobytes(key))
+            except KeyError:
+                only_keys=[]
+
+        if b"metabaR_prefix" in qualifiers:
+            metabaR_prefix = tobytes(qualifiers[b"metabaR_prefix"][0][0])
+        else:
+            try:
+                metabaR_prefix = tobytes(config["obi"]["metabarprefix"])
+            except KeyError:
+                metabaR_prefix=None
+
         if format is not None:
             if seqtype==b"nuc":
                 objclass = Nuc_Seq    # Nuc_Seq_Stored? TODO
-                if format==b"fasta":
+                if format==b"fasta" or format==b"silva" or format==b"rdp" or format == b"unite" or format == b"sintax":
                     if input:
                         iseq = fastaNucIterator(file, 
                                                 skip=skip, 
                                                 only=only,
                                                 nastring=nastring)
                     else:
-                        iseq = FastaNucWriter(FastaFormat(printNAKeys=printna, NAString=nastring), 
+                        iseq = FastaNucWriter(FastaFormat(tags=only_keys, printNAKeys=printna, NAString=nastring), 
                                               file,
                                               skip=skip,
                                               only=only)
@@ -483,7 +526,7 @@ def open_uri(uri,
                                              noquality=noquality,
                                              nastring=nastring)
                     else:
-                        iseq = FastqWriter(FastqFormat(printNAKeys=printna, NAString=nastring), 
+                        iseq = FastqWriter(FastqFormat(tags=only_keys, printNAKeys=printna, NAString=nastring), 
                                            file,
                                            skip=skip,
                                            only=only)
@@ -519,7 +562,17 @@ def open_uri(uri,
                                        skip = skip,
                                        only = only)
                 else:
-                    iseq = TabWriter(TabFormat(header=header, NAString=nastring, sep=sep), 
+                    iseq = TabWriter(TabFormat(tags=only_keys, header=header, NAString=nastring, sep=sep, NAIntTo0=na_int_to_0), 
+                                               file,
+                                               skip=skip,
+                                               only=only,
+                                               header=header)
+            elif format==b"metabaR":
+                objclass = dict
+                if input:
+                    raise NotImplementedError('Input data file format not implemented')
+                else:
+                    iseq = TabWriter(TabFormat(tags=only_keys, header=header, NAString=nastring, sep=sep, NAIntTo0=na_int_to_0, metabaR=True), 
                                                file,
                                                skip=skip,
                                                only=only,
@@ -537,7 +590,7 @@ def open_uri(uri,
                                              skip = skip,
                                              only = only)
                 else:
-                    raise NotImplementedError('Output sequence file format not implemented')
+                    raise NotImplementedError('Output data file format not implemented')
         else:
             if input:
                 iseq, objclass, format = entryIteratorFactory(file,
@@ -555,7 +608,7 @@ def open_uri(uri,
                                                               commentchar)
             else:    # default export is in fasta? or tab? TODO
                 objclass = Nuc_Seq   # Nuc_Seq_Stored? TODO
-                iseq = FastaNucWriter(FastaFormat(printNAKeys=printna, NAString=nastring), 
+                iseq = FastaNucWriter(FastaFormat(tags=only_keys, printNAKeys=printna, NAString=nastring), 
                                       file,
                                       skip=skip,
                                       only=only)
@@ -564,6 +617,6 @@ def open_uri(uri,
         
         entry_count = -1
         if input:
-            entry_count = count_entries(file, format)
+            entry_count = count_entries(file, format, header)
         
         return (file, iseq, objclass, urib, entry_count)

python/obitools3/utils.pxd

@@ -2,8 +2,8 @@
 
 from obitools3.dms.capi.obitypes cimport obitype_t, index_t
 
-cpdef bytes format_separator(bytes format)
-cpdef int count_entries(file, bytes format)
+cpdef bytes format_uniq_pattern(bytes format)
+cpdef int count_entries(file, bytes format, bint header)
 
 cdef obi_errno_to_exception(index_t line_nb=*, object elt_id=*, str error_message=*)
 
@@ -18,7 +18,7 @@ cdef object clean_empty_values_from_object(object value, exclude=*)
 
 cdef obitype_t get_obitype_single_value(object value)
 cdef obitype_t update_obitype(obitype_t obitype, object new_value)
-cdef obitype_t get_obitype_iterable_value(object value)
+cdef obitype_t get_obitype_iterable_value(object value, type t)
 cdef obitype_t get_obitype(object value)
 
 cdef object __etag__(bytes x, bytes nastring=*)

python/obitools3/utils.pyx

@@ -9,7 +9,8 @@ from obitools3.dms.capi.obitypes cimport is_a_DNA_seq, \
                                          OBI_QUAL, \
                                          OBI_SEQ, \
                                          OBI_STR, \
-                                         index_t
+                                         index_t, \
+                                         OBI_INT_MAX
 
 from obitools3.dms.capi.obierrno cimport OBI_LINE_IDX_ERROR, \
                                          OBI_ELT_IDX_ERROR, \
@@ -24,11 +25,11 @@ import glob
 import gzip
 
 
-cpdef bytes format_separator(bytes format):
+cpdef bytes format_uniq_pattern(bytes format):
     if format == b"fasta":
         return b"\n>"
     elif format == b"fastq":
-        return b"\n@"
+        return b"\n\+\n"
     elif format == b"ngsfilter" or format == b"tabular":
         return b"\n"
     elif format == b"genbank" or format == b"embl":
@@ -39,10 +40,10 @@ cpdef bytes format_separator(bytes format):
         return None
 
 
-cpdef int count_entries(file, bytes format):
+cpdef int count_entries(file, bytes format, bint header):
     
     try:
-        sep = format_separator(format)
+        sep = format_uniq_pattern(format)
         if sep is None:
             return -1
         sep = re.compile(sep)
@@ -72,8 +73,10 @@ cpdef int count_entries(file, bytes format):
                 return -1
             mmapped_file = mmap.mmap(f.fileno(), 0, access=mmap.ACCESS_READ)
             total_count += len(re.findall(sep, mmapped_file))
-            if format != b"ngsfilter" and format != b"tabular" and format != b"embl" and format != b"genbank":
+            if format != b"ngsfilter" and format != b"tabular" and format != b"embl" and format != b"genbank" and format != b"fastq":
                 total_count += 1 # adding +1 for 1st entry because separators include \n (ngsfilter and tabular already count one more because of last \n)
+            if format == b"tabular" and header: # not counting header as an entry
+                total_count -= 1
             
     except:
         if len(files) > 1:
@@ -257,38 +260,51 @@ cdef obitype_t update_obitype(obitype_t obitype, object new_value) :
     
     new_type = type(new_value)
     
-    if obitype == OBI_INT :
-        if new_type == float :
-            return OBI_FLOAT
-    # TODO BOOL vers INT/FLOAT
-    elif new_type == str or new_type == bytes :
+    #if new_type == NoneType:  # doesn't work because Cython sucks
+    if new_value == None or new_type==list or new_type==dict or new_type==tuple:
+        return obitype
+    
+    # TODO BOOL to INT/FLOAT
+    if new_type == str or new_type == bytes :
         if obitype == OBI_SEQ and is_a_DNA_seq(tobytes(new_value)) :
             pass
         else :
             return OBI_STR
-    
+    elif obitype == OBI_INT :
+        if new_type == float or new_value > OBI_INT_MAX :
+            return OBI_FLOAT
+        
     return obitype
 
 
-cdef obitype_t get_obitype_iterable_value(object value) :
+cdef obitype_t get_obitype_iterable_value(object value, type t) :
     
     cdef obitype_t value_obitype
     
     value_obitype = OBI_VOID
     
-    for k in value :
-        if value_obitype == OBI_VOID :
-            value_obitype = get_obitype_single_value(value[k])
-        else :
-            value_obitype = update_obitype(value_obitype, value[k])
+    if t == dict:
+        for k in value :
+            if value_obitype == OBI_VOID :
+                value_obitype = get_obitype_single_value(value[k])
+            else :
+                value_obitype = update_obitype(value_obitype, value[k])
+    
+    elif t == list or t == tuple:
+        for v in value :
+            if value_obitype == OBI_VOID :
+                value_obitype = get_obitype_single_value(v)
+            else :
+                value_obitype = update_obitype(value_obitype, v)
     
     return value_obitype
 
 
 cdef obitype_t get_obitype(object value) :
     
-    if type(value) == dict or type(value) == list or type(value) == tuple :
-        return get_obitype_iterable_value(value)
+    t = type(value)
+    if t == dict or t == list or t == tuple :
+        return get_obitype_iterable_value(value, t)
     
     else :
         return get_obitype_single_value(value)

python/obitools3/version.py

@@ -1,5 +1,5 @@
 major = 3
 minor = 0
-serial= '0b26'
+serial= '1b26'
 
 version ="%d.%d.%s" % (major,minor,serial)

python/obitools3/writers/tab.pyx

@@ -20,8 +20,6 @@ cdef class TabWriter:
             self.only = -1
         else:
             self.only = int(only)
-            if header:
-                self.only += 1
 
         self.formatter = formatter
         self.output = output_object

src/.gitignore

@@ -3,3 +3,4 @@
 /cmake_install.cmake
 /libcobitools3.dylib
 /Makefile
+/build/

src/build_reference_db.c

@@ -77,6 +77,7 @@ static inline ecotx_t* get_lca_from_merged_taxids(Obiview_p view, OBIDMS_column_
 {
 	ecotx_t* taxon = NULL;
 	ecotx_t* lca = NULL;
+	ecotx_t* lca1 = NULL;
 	int32_t taxid;
 	index_t taxid_idx;
 	int64_t taxid_str_idx;
@@ -108,10 +109,11 @@ static inline ecotx_t* get_lca_from_merged_taxids(Obiview_p view, OBIDMS_column_
 			else
 			{
 				// Compute LCA
+				lca1 = lca;
 				lca = obi_taxo_get_lca(taxon, lca);
 				if (lca == NULL)
 				{
-					obidebug(1, "\nError getting the last common ancestor of two taxa when building a reference database");
+					obidebug(1, "\nError getting the last common ancestor of two taxa when building a reference database, %d %d", taxid, lca1->taxid);
 					return NULL;
 				}
 			}
@@ -185,7 +187,7 @@ int build_reference_db(const char* dms_name,
 	matrix_view_name = strcpy(matrix_view_name, o_view_name);
 	strcat(matrix_view_name, "_matrix");
 
-	fprintf(stderr, "Aligning queries with reference database...\n");
+	fprintf(stderr, "Aligning sequences...\n");
 	if (obi_lcs_align_one_column(dms_name,
 								 refs_view_name,
 								 "",
@@ -243,6 +245,7 @@ int build_reference_db(const char* dms_name,
 							false,
 							false,
 							false,
+							false,
 							"",
 							"",
 							-1,
@@ -392,6 +395,7 @@ int build_reference_db(const char* dms_name,
 							1,
 							"",
 							false,
+							false,
 							true,
 							false,
 							"",
@@ -415,6 +419,7 @@ int build_reference_db(const char* dms_name,
 							1,
 							"",
 							false,
+							false,
 							true,
 							false,
 							"",
@@ -860,7 +865,8 @@ int build_reference_db(const char* dms_name,
 	fprintf(stderr,"\rDone : 100 %%           \n");
 
 	// Add information about the threshold used to build the DB
-	snprintf(threshold_str, 5, "%f", threshold);
+#define snprintf_nowarn(...) (snprintf(__VA_ARGS__) < 0 ? abort() : (void)0)
+	snprintf_nowarn(threshold_str, 5, "%f", threshold);
 
 	new_comments = obi_add_comment((o_view->infos)->comments, DB_THRESHOLD_KEY_IN_COMMENTS, threshold_str);
 	if (new_comments == NULL)

src/encode.c

@@ -36,10 +36,12 @@ bool only_ATGC(const char* seq)
 	{
 		if (!((*c == 'A') || \
 			  (*c == 'T') || \
+			  (*c == 'U') || \
 			  (*c == 'G') || \
 			  (*c == 'C') || \
 			  (*c == 'a') || \
 			  (*c == 't') || \
+			  (*c == 'u') || \
 			  (*c == 'g') || \
 			  (*c == 'c')))
 		{
@@ -182,6 +184,8 @@ byte_t* encode_seq_on_2_bits(const char* seq, int32_t length)
 			break;
 		case 't':
 		case 'T':
+		case 'u':
+		case 'U':
 			seq_b[i/4] |= NUC_T_2b;
 			break;
 		default:
@@ -288,6 +292,8 @@ byte_t* encode_seq_on_4_bits(const char* seq, int32_t length)
 			break;
 		case 't':
 		case 'T':
+		case 'u': // discussable
+		case 'U':
 			seq_b[i/2] |= NUC_T_4b;
 			break;
 		case 'r':

src/encode.h

@@ -64,7 +64,7 @@ enum
 
 
 /**
- * @brief Checks if there are only 'atgcATGC' characters in a
+ * @brief Checks if there are only 'atgcuATGCU' characters in a
  *        character string.
  *
  * @param seq The sequence to check.
@@ -129,12 +129,13 @@ byte_t get_nucleotide_from_encoded_seq(byte_t* seq, int32_t idx, uint8_t encodin
 /**
  * @brief Encodes a DNA sequence with each nucleotide coded on 2 bits.
  *
- *    A or a : 00
- *    C or c : 01
- *    T or t : 10
- *    G or g : 11
+ *    A or a :           00
+ *    C or c :           01
+ *    T or t or U or u : 10
+ *    G or g :           11
  *
- * @warning The DNA sequence must contain only 'atgcATGC' characters.
+ * @warning The DNA sequence must contain only 'atgcuATGCU' characters.
+ * @warning Uracil ('U') bases are encoded as Thymine ('T') bases.
  *
  * @param seq The sequence to encode.
  * @param length The length of the sequence to encode.
@@ -169,23 +170,24 @@ char* decode_seq_on_2_bits(byte_t* seq_b, int32_t length_seq);
 /**
  * @brief Encodes a DNA sequence with each nucleotide coded on 4 bits.
  *
- *		A or a : 0001
- *      C or c : 0010
- *      G or g : 0011
- *      T or t : 0100
- *      R or r : 0101
- *      Y or y : 0110
- *      S or s : 0111
- *      W or w : 1000
- *      K or k : 1001
- *      M or m : 1010
- *      B or b : 1011
- *      D or d : 1100
- *      H or h : 1101
- *      V or v : 1110
- *      N or n : 1111
+ *		A or a :           0001
+ *      C or c :           0010
+ *      G or g :           0011
+ *      T or t or U or u : 0100
+ *      R or r :           0101
+ *      Y or y :           0110
+ *      S or s :           0111
+ *      W or w :           1000
+ *      K or k :           1001
+ *      M or m :           1010
+ *      B or b :           1011
+ *      D or d :           1100
+ *      H or h :           1101
+ *      V or v :           1110
+ *      N or n :           1111
  *
  * @warning The DNA sequence must contain only IUPAC characters.
+ * @warning Uracil ('U') bases are encoded as Thymine ('T') bases.
  *
  * @param seq The sequence to encode.
  * @param length The length of the sequence to encode.

src/kmer_similarity.c

@@ -77,7 +77,6 @@ Obi_ali_p kmer_similarity(Obiview_p view1, OBIDMS_column_p column1, index_t idx1
 	int32_t*        shift_count_array;
 	Obi_ali_p       ali = NULL;
 	int 			i, j;
-	bool 			switched_seqs;
 	bool			reversed;
 	int 			score = 0;
 	Obi_blob_p      blob1 = NULL;
@@ -124,6 +123,8 @@ Obi_ali_p kmer_similarity(Obiview_p view1, OBIDMS_column_p column1, index_t idx1
 	bool			keep_seq2_start;
 	bool			keep_seq1_end;
 	bool			keep_seq2_end;
+	bool			left_ali;
+	bool 			rev_quals = false;
 
 	// Check kmer size
 	if ((kmer_size < 1) || (kmer_size > 4))
@@ -148,19 +149,8 @@ Obi_ali_p kmer_similarity(Obiview_p view1, OBIDMS_column_p column1, index_t idx1
 	}
 
 	// Choose the shortest sequence to save kmer positions in array
-	switched_seqs = false;
 	len1 = blob1->length_decoded_value;
 	len2 = blob2->length_decoded_value;
-	if (len2 < len1)
-	{
-		switched_seqs = true;
-		temp_len = len1;
-		len1 = len2;
-		len2 = temp_len;
-		temp_blob = blob1;
-		blob1 = blob2;
-		blob2 = temp_blob;
-	}
 
 	// Force encoding on 2 bits by replacing ambiguous nucleotides by 'a's
 	if (blob1->element_size == 4)
@@ -196,7 +186,47 @@ Obi_ali_p kmer_similarity(Obiview_p view1, OBIDMS_column_p column1, index_t idx1
 	else
 		reversed = false;
 	if (reversed)
-		switched_seqs = !switched_seqs;
+		// unreverse to make cases simpler. Costly but rare (direct match is reverse primer match)
+	{
+		if (seq2 == NULL)
+			seq2 = obi_blob_to_seq(blob2);
+		seq2 = reverse_complement_sequence(seq2);
+		blob2 = obi_seq_to_blob(seq2);
+
+		if (seq1 == NULL)
+			seq1 = obi_blob_to_seq(blob1);
+		seq1 = reverse_complement_sequence(seq1);
+		blob1 = obi_seq_to_blob(seq1);
+		free_blob1 = true;
+
+		// Get the quality arrays
+		qual1 = obi_get_qual_int_with_elt_idx_and_col_p_in_view(view1, qual_col1, idx1, 0, &qual1_len);
+		if (qual1 == NULL)
+		{
+			obidebug(1, "\nError getting the quality of the 1st sequence when computing the kmer similarity between two sequences");
+			return NULL;
+		}
+		qual2 = obi_get_qual_int_with_elt_idx_and_col_p_in_view(view2, qual_col2, idx2, 0, &qual2_len);
+		if (qual2 == NULL)
+		{
+			obidebug(1, "\nError getting the quality of the 2nd sequence when computing the kmer similarity between two sequences");
+			return NULL;
+		}
+
+		uint8_t* newqual1 = malloc(qual1_len*sizeof(uint8_t));
+		uint8_t* newqual2 = malloc(qual2_len*sizeof(uint8_t));
+
+		for (i=0;i<qual1_len;i++)
+			newqual1[i] = qual1[qual1_len-1-i];
+
+		for (i=0;i<qual2_len;i++)
+			newqual2[i] = qual2[qual2_len-1-i];
+
+		qual1 = newqual1;
+		qual2 = newqual2;
+
+		rev_quals = true;
+	}
 
 	// Save total length for the shift counts array
 	total_len = len1 + len2 + 1;   // +1 for shift 0
@@ -237,7 +267,7 @@ Obi_ali_p kmer_similarity(Obiview_p view1, OBIDMS_column_p column1, index_t idx1
 		 	return NULL;
 		}
 	}
-	else if (len1 >= shift_array_height)
+	else if (total_len >= shift_array_height)
 	{
 		shift_array_height = total_len;
 		*shift_array_p = (int32_t*) realloc(*shift_array_p, ARRAY_LENGTH * shift_array_height * sizeof(int32_t));
@@ -291,7 +321,7 @@ Obi_ali_p kmer_similarity(Obiview_p view1, OBIDMS_column_p column1, index_t idx1
 	*shift_array_height_p = shift_array_height;
 	*shift_count_array_length_p = shift_count_array_length;
 
-	// Fill array with positions of kmers in the shortest sequence
+	// Fill array with positions of kmers in the first sequence
 	encoding = blob1->element_size;
 	kmer_count = len1 - kmer_size + 1;
 	for (kmer_idx=0; kmer_idx < kmer_count; kmer_idx++)
@@ -310,7 +340,7 @@ Obi_ali_p kmer_similarity(Obiview_p view1, OBIDMS_column_p column1, index_t idx1
 		kmer_pos_array[(kmer*kmer_pos_array_height)+i] = kmer_idx;
 	}
 
-	// Compare positions of kmers between both sequences and store shifts
+	// Compare positions of kmers between both sequences and store shifts (a shift corresponds to pos2 - pos1)
 	kmer_count = blob2->length_decoded_value - kmer_size + 1;
 	for (kmer_idx=0; kmer_idx < kmer_count; kmer_idx++)
 	{
@@ -374,35 +404,42 @@ Obi_ali_p kmer_similarity(Obiview_p view1, OBIDMS_column_p column1, index_t idx1
 	// The 873863 cases of hell
 	if (best_shift > 0)
 	{
+		left_ali = false;
 		overlap_len = len2 - best_shift;
 		if (len1 <= overlap_len)
 		{
 			overlap_len = len1;
-			if (! switched_seqs)
-				keep_seq2_end = true;
-			else
-				keep_seq2_start = true;
-		}
-		else if (switched_seqs)
-		{
-			keep_seq2_start = true;
-			keep_seq1_end = true;
+			keep_seq2_end = true;
 		}
 	}
 	else if (best_shift < 0)
 	{
+		left_ali = true;
 	    overlap_len = len1 + best_shift;
-	    if (!switched_seqs)
-	    {
-	    	keep_seq1_start = true;
-	    	keep_seq2_end = true;
-	    }
-	}
-	else
-	{
-		overlap_len = len1;
-		if ((!switched_seqs) && (len2 > len1))
+		if (len2 <= overlap_len)
+		{
+			overlap_len = len2;
+			keep_seq1_start = true;
+		}
+		else
+		{
+			keep_seq1_start = true;
 			keep_seq2_end = true;
+		}
+	}
+	else // if (best_shift == 0)
+	{
+		if (len2 >= len1)
+		{
+			overlap_len = len1;
+			keep_seq2_end = true;
+			left_ali = true;
+		}
+		else
+		{
+			overlap_len = len2;
+			left_ali = false; // discussable
+		}
 	}
 
 	ali = (Obi_ali_p) malloc(sizeof(Obi_ali_t));
@@ -414,7 +451,10 @@ Obi_ali_p kmer_similarity(Obiview_p view1, OBIDMS_column_p column1, index_t idx1
 	}
 
 	if (max_common_kmers > 0)
-		score = max_common_kmers + kmer_size - 1;  // aka the number of nucleotides in the longest stretch of kmers perfectly matching
+		score = max_common_kmers + kmer_size - 1; // aka an approximation of the number of nucleotides matching in the overlap of the alignment.
+												  // It's an approximation because one mismatch produces kmer_size kmer mismatches if in the middle of the overlap,
+												  // and less for mismatches located towards the ends of the overlap. The case where there are the most mismatches is assumed,
+												  // meaning that the score will be often underestimated and never overestimated.
 	else
 		score = 0;
 	abs_shift = abs(best_shift);
@@ -430,7 +470,7 @@ Obi_ali_p kmer_similarity(Obiview_p view1, OBIDMS_column_p column1, index_t idx1
 		ali->direction[0] = '\0';
 	else
 	{
-		if (((best_shift <= 0) && (!switched_seqs)) || ((best_shift > 0) && switched_seqs))
+		if (left_ali)
 			strcpy(ali->direction, "left");
 		else
 			strcpy(ali->direction, "right");
@@ -439,28 +479,28 @@ Obi_ali_p kmer_similarity(Obiview_p view1, OBIDMS_column_p column1, index_t idx1
 	// Build the consensus sequence if asked
 	if (build_consensus)
 	{
-		// Get the quality arrays
-		qual1 = obi_get_qual_int_with_elt_idx_and_col_p_in_view(view1, qual_col1, idx1, 0, &qual1_len);
-		if (qual1 == NULL)
+		if (! rev_quals)
 		{
-			obidebug(1, "\nError getting the quality of the 1st sequence when computing the kmer similarity between two sequences");
-			return NULL;
-		}
-		qual2 = obi_get_qual_int_with_elt_idx_and_col_p_in_view(view2, qual_col2, idx2, 0, &qual2_len);
-		if (qual2 == NULL)
-		{
-			obidebug(1, "\nError getting the quality of the 2nd sequence when computing the kmer similarity between two sequences");
-			return NULL;
+			// Get the quality arrays
+			qual1 = obi_get_qual_int_with_elt_idx_and_col_p_in_view(view1, qual_col1, idx1, 0, &qual1_len);
+			if (qual1 == NULL)
+			{
+				obidebug(1, "\nError getting the quality of the 1st sequence when computing the kmer similarity between two sequences");
+				return NULL;
+			}
+			qual2 = obi_get_qual_int_with_elt_idx_and_col_p_in_view(view2, qual_col2, idx2, 0, &qual2_len);
+			if (qual2 == NULL)
+			{
+				obidebug(1, "\nError getting the quality of the 2nd sequence when computing the kmer similarity between two sequences");
+				return NULL;
+			}
 		}
 
 		// Decode the first sequence if not already done
 		if (seq1 == NULL)
 			seq1 = obi_blob_to_seq(blob1);
 
-		if (! switched_seqs)
-		    consensus_len = len2 - best_shift;
-		else
-		    consensus_len = len1 + best_shift;
+		consensus_len = len2 - best_shift;
 
 		// Allocate memory for consensus sequence
 		consensus_seq = (char*) malloc(consensus_len + 1 * sizeof(char)); // TODO keep malloced too maybe