URIs: added stdout output (empty URI)

python/obitools3/uri/decode.pyx

@@ -3,6 +3,8 @@
 from urllib.parse import urlparse, urlunparse, parse_qs, ParseResultBytes
 from os.path import isdir, isfile, basename, join
 
+import sys
+
 from obitools3.dms.dms import DMS
 
 from obitools3.parsers.fasta import fastaNucIterator
@@ -224,6 +226,7 @@ def open_uri(uri,
                         type(dms[1]),
                         urlunparse(urip),
                         len(dms[0]))
+            if dms[1]:
                 try:
                     resource=open_dms_element(dms[0],
                                               dms[1],
@@ -268,7 +271,10 @@ 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:
+            file = sys.stdout.buffer
         
     if file is not None:
         qualifiers=parse_qs(urip.query)