Cython API to import a column and a view from a DMS to another DMS

python/obitools3/dms/column/column.pyx

@@ -8,8 +8,10 @@ __OBIDMS_COLUMN_CLASS__ = {}
 
 from ..capi.obitypes cimport name_data_type, \
                              obitype_t, \
-                             OBI_BOOL
+                             obiversion_t
  
+from ..capi.obidms cimport obi_import_column
+
 from ..capi.obidmscolumn cimport OBIDMS_column_header_p, \
                                  obi_close_column, \
                                  obi_get_elements_names
@@ -59,6 +61,15 @@ cdef class Column(OBIWrapper) :
         return __OBIDMS_COLUMN_CLASS__[(obitype, multi_elts)][1]
 
 
+    @staticmethod
+    def import_column(object dms_1, object dms_2, object column_name, obiversion_t version_number):
+        cdef obiversion_t new_version
+        new_version = obi_import_column(tobytes(dms_1), tobytes(dms_2), tobytes(column_name), version_number)
+        if new_version < 0 :
+            raise Exception("Error importing a column")
+        return new_version
+
+
     @staticmethod
     def new_column(View      view,
                    object    column_name,