from __future__ import (absolute_import, division, print_function) __metaclass__ = type import re import sys def main(): for path in sys.argv[1:] or sys.stdin.read().splitlines(): with open(path, 'r') as path_fd: for line, text in enumerate(path_fd.readlines()): match = re.search(r'(FieldAttribute.*(default|required).*(default|required))', text) if match: print('%s:%d:%d: use only one of `default` or `required` with `FieldAttribute`' % ( path, line + 1, match.start(1) + 1)) if __name__ == '__main__': main()