99           filename, prefixes = pat.split('=', 1)
102             ignored_lines[filename.lower()].extend(prefixes)
106   def diff_with_ignored_lines(filename, prefixes):  argument
118       pathname = os.path.join(target, filename)
131   def whitelist_filter(filename):  argument
132     norm_filename = filename.lower()
138       return diff_with_ignored_lines(filename, ignored_prefixes)
165     for path, filename in paths:
167       artifact_sha1_target_map[filename][sha1].append(target_basename)
169   def pretty_print(sha1, filename, targets):  argument
170     return '{}, {}, {}\n'.format(filename, sha1[:10], ';'.join(targets))
182   for filename, sha1_target_map in artifact_sha1_target_map.items():
185         common.append(pretty_print(sha1, filename, targets))
187       if whitelist_filter(filename):
189           whitelisted_diff.append(pretty_print(sha1, filename, targets))
192           diff.append(pretty_print(sha1, filename, targets))