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