+def check_dsc_files(dsc_filename, dsc=None, dsc_files=None):
+ """
+ Verify that the files listed in the Files field of the .dsc are
+ those expected given the announced Format.
+
+ @type dsc_filename: string
+ @param dsc_filename: path of .dsc file
+
+ @type dsc: dict
+ @param dsc: the content of the .dsc parsed by C{parse_changes()}
+
+ @type dsc_files: dict
+ @param dsc_files: the file list returned by C{build_file_list()}
+
+ @rtype: list
+ @return: all errors detected
+ """
+ rejmsg = []
+
+ # Parse the file if needed
+ if dsc is None:
+ dsc = parse_changes(dsc_filename, signing_rules=1, dsc_file=1);
+
+ if dsc_files is None:
+ dsc_files = build_file_list(dsc, is_a_dsc=1)
+
+ # Ensure .dsc lists proper set of source files according to the format
+ # announced
+ has = defaultdict(lambda: 0)
+
+ ftype_lookup = (
+ (r'orig.tar.gz', ('orig_tar_gz', 'orig_tar')),
+ (r'diff.gz', ('debian_diff',)),
+ (r'tar.gz', ('native_tar_gz', 'native_tar')),
+ (r'debian\.tar\.(gz|bz2)', ('debian_tar',)),
+ (r'orig\.tar\.(gz|bz2)', ('orig_tar',)),
+ (r'tar\.(gz|bz2)', ('native_tar',)),
+ (r'orig-.+\.tar\.(gz|bz2)', ('more_orig_tar',)),
+ )
+
+ for f in dsc_files.keys():
+ m = re_issource.match(f)
+ if not m:
+ rejmsg.append("%s: %s in Files field not recognised as source."
+ % (dsc_filename, f))
+ continue
+
+ # Populate 'has' dictionary by resolving keys in lookup table
+ matched = False
+ for regex, keys in ftype_lookup:
+ if re.match(regex, m.group(3)):
+ matched = True
+ for key in keys:
+ has[key] += 1
+ break
+
+ # File does not match anything in lookup table; reject
+ if not matched:
+ reject("%s: unexpected source file '%s'" % (dsc_filename, f))
+
+ # Check for multiple files
+ for file_type in ('orig_tar', 'native_tar', 'debian_tar', 'debian_diff'):
+ if has[file_type] > 1:
+ rejmsg.append("%s: lists multiple %s" % (dsc_filename, file_type))
+
+ # Source format specific tests
+ try:
+ format = get_format_from_string(dsc['format'])
+ rejmsg.extend([
+ '%s: %s' % (dsc_filename, x) for x in format.reject_msgs(has)
+ ])
+
+ except UnknownFormatError:
+ # Not an error here for now
+ pass
+
+ return rejmsg
+
+################################################################################
+