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git.ipfire.org Git - thirdparty/systemd.git/blob - test/rule-syntax-check.py
2 # SPDX-License-Identifier: LGPL-2.1+
4 # Simple udev rules syntax checker
6 # © 2010 Canonical Ltd.
7 # Author: Martin Pitt <martin.pitt@ubuntu.com>
14 rules_files
= sys
.argv
[1:]
16 sys
.exit('Specify files to test as arguments')
18 quoted_string_re
= r
'"(?:[^\\"]|\\.)*"'
19 no_args_tests
= re
.compile(r
'(ACTION|DEVPATH|KERNELS?|NAME|SYMLINK|SUBSYSTEMS?|DRIVERS?|TAG|PROGRAM|RESULT|TEST)\s*(?:=|!)=\s*' + quoted_string_re
+ '$')
20 # PROGRAM can also be specified as an assignment.
21 program_assign
= re
.compile(r
'PROGRAM\s*=\s*' + quoted_string_re
+ '$')
22 args_tests
= re
.compile(r
'(ATTRS?|ENV|CONST|TEST){([a-zA-Z0-9/_.*%-]+)}\s*(?:=|!)=\s*' + quoted_string_re
+ '$')
23 no_args_assign
= re
.compile(r
'(NAME|SYMLINK|OWNER|GROUP|MODE|TAG|RUN|LABEL|GOTO|OPTIONS|IMPORT)\s*(?:\+=|:=|=)\s*' + quoted_string_re
+ '$')
24 args_assign
= re
.compile(r
'(ATTR|ENV|IMPORT|RUN){([a-zA-Z0-9/_.*%-]+)}\s*(=|\+=)\s*' + quoted_string_re
+ '$')
25 # Find comma-separated groups, but allow commas that are inside quoted strings.
26 # Using quoted_string_re + '?' so that strings missing the last double quote
27 # will still match for this part that splits on commas.
28 comma_separated_group_re
= re
.compile(r
'(?:[^,"]|' + quoted_string_re
+ '?)+')
32 for path
in rules_files
:
33 print('# looking at {}'.format(path
))
35 for line
in open(path
):
38 # handle line continuation
39 if line
.endswith('\\\n'):
46 # filter out comments and empty lines
48 if not line
or line
.startswith('#'):
51 # Separator ',' is normally optional but we make it mandatory here as
52 # it generally improves the readability of the rules.
53 for clause_match
in comma_separated_group_re
.finditer(line
):
54 clause
= clause_match
.group().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
) or
57 program_assign
.match(clause
)):
59 print('Invalid line {}:{}: {}'.format(path
, lineno
, line
))
60 print(' clause:', clause
)