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refactoring...

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This commit is contained in:
Eric Coissac
2017-01-02 13:05:22 +01:00
parent 65f3b16e6d
commit 2139bfc748
2 changed files with 49 additions and 4 deletions
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8
python/obitools3/dms/column/column.pxd
View File

@ -1,10 +1,10 @@
#cython: language_level=3
from .capi.obitypes cimport index_t, \
obitype_t
from .capi.obidmscolumn cimport OBIDMS_column_p
from ..capi.obitypes cimport index_t, \
obitype_t
from ..capi.obidmscolumn cimport OBIDMS_column_p
from .view cimport View
from ..view cimport View
cdef class Column:

45
python/obitools3/dms/column/column.pyx
View File

@ -45,6 +45,51 @@ cdef class Column :
self._pointer = NULL
self._view = view
@staticmethod
def new(OBIView view,
object column_name,
index_t nb_elements_per_line=1,
object elements_names=None,
object comments=b""):
cdef bytes column_name_b = tobytes(column_name)
cdef bytes comments_b
cdef bytes elements_names_b
cdef char* elements_names_p
cdef OBIDMS_column new_column
if comments is not None:
comments_b = tobytes(comments)
else:
comments_b = b''
if elements_names is not None:
elements_names_b = b''.join([tobytes(x) for x in elements_names])
elements_names_p = elements_names_b
else:
elements_names_p = NULL
if (obi_view_add_column(view = view._pointer,
column_name = column_name_b,
version_number = -1,
alias = NULL,
data_type = self.pointer.header.returned_data_type,
nb_lines = len(view),
nb_elements_per_line = nb_elements_per_line,
elements_names = elements_names_p,
indexer_name = NULL,
associated_column_name = NULL,
associated_column_version = -1,
comments = comments_b,
create = True)<0):
raise RuntimeError("Cannot create column %s in view %s" % (bytes2str(column_name),
bytes2str(view.name)))
view.__init_columns__()
new_column = self._columns[column_name]
return new_column
def __len__(self):
'''
implements the len() function for the Column class