2 # Simple udev rules syntax checker
4 # (C) 2010 Canonical Ltd.
5 # Author: Martin Pitt <martin.pitt@ubuntu.com>
7 # This program is free software; you can redistribute it and/or modify it
8 # under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 2 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful, but
13 # WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 # General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program; if not, write to the Free Software Foundation,
19 # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
25 print >> sys.stderr, 'Usage: %s <rules file> [...]' % sys.argv[0]
28 no_args_tests = re.compile('(ACTION|DEVPATH|KERNELS?|NAME|SYMLINK|SUBSYSTEMS?|DRIVERS?|TAG|RESULT|TEST)\s*(?:=|!)=\s*"([^"]*)"$')
29 args_tests = re.compile('(ATTRS?|ENV|TEST){([a-zA-Z0-9/_.*%-]+)}\s*(?:=|!)=\s*"([^"]*)"$')
30 no_args_assign = re.compile('(NAME|SYMLINK|OWNER|GROUP|MODE|TAG|PROGRAM|RUN|LABEL|GOTO|WAIT_FOR|OPTIONS|IMPORT)\s*(?:\+=|:=|=)\s*"([^"]*)"$')
31 args_assign = re.compile('(ATTR|ENV|IMPORT|RUN){([a-zA-Z0-9/_.*%-]+)}\s*=\s*"([^"]*)"$')
35 for path in sys.argv[1:]:
37 for line in open(path):
40 # handle line continuation
41 if line.endswith('\\\n'):
48 # filter out comments and empty lines
50 if not line or line.startswith('#'):
53 for clause in line.split(','):
54 clause = clause.strip()
55 if not (no_args_tests.match(clause) or args_tests.match(clause) or
56 no_args_assign.match(clause) or args_assign.match(clause)):
58 print('Invalid line %s:%i: %s' % (path, lineno, line))
59 print(' clause:', clause)