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