69 lines
1.9 KiB
Python
Executable File
69 lines
1.9 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
# This file is part of Moonfire NVR, a security camera network video recorder.
|
|
# Copyright (C) 2021 The Moonfire NVR Authors; see AUTHORS and LICENSE.txt.
|
|
# SPDX-License-Identifier: GPL-v3.0-or-later WITH GPL-3.0-linking-exception.
|
|
"""Checks that expected header lines are present.
|
|
|
|
Call in either of two modes:
|
|
|
|
has-license.py FILE [...]
|
|
check if all files with certain extensions have expected lines.
|
|
This is useful in a CI action.
|
|
|
|
has-license.py
|
|
check if stdin has expected lines.
|
|
This is useful in a pre-commit hook, as in
|
|
git-format-staged --no-write --formatter '.../has-license.py' '*.rs'
|
|
"""
|
|
import re
|
|
import sys
|
|
|
|
# Filenames matching this regexp are expected to have the header lines.
|
|
FILENAME_MATCHER = re.compile(r'.*\.(py|rs|sh|sql)$')
|
|
|
|
MAX_LINE_COUNT = 10
|
|
|
|
EXPECTED_LINES = [
|
|
re.compile(r'This file is part of Moonfire NVR, a security camera network video recorder\.'),
|
|
re.compile(r'Copyright \(C\) 20\d{2} The Moonfire NVR Authors; see AUTHORS and LICENSE\.txt\.'),
|
|
re.compile(r'SPDX-License-Identifier: GPL-v3\.0-or-later WITH GPL-3\.0-linking-exception\.'),
|
|
]
|
|
|
|
def has_license(f):
|
|
"""Returns if all of EXPECTED_LINES are present within the first
|
|
MAX_LINE_COUNT lines of f."""
|
|
needed = set(EXPECTED_LINES)
|
|
i = 0
|
|
for line in f:
|
|
if i == 10:
|
|
break
|
|
i += 1
|
|
for e in needed:
|
|
if e.search(line):
|
|
needed.remove(e)
|
|
break
|
|
if not needed:
|
|
return True
|
|
return False
|
|
|
|
|
|
def file_has_license(filename):
|
|
with open(filename, 'r') as f:
|
|
return has_license(f)
|
|
|
|
|
|
def main(args):
|
|
if not args:
|
|
sys.exit(0 if has_license(sys.stdin) else 1)
|
|
|
|
missing = [f for f in args
|
|
if FILENAME_MATCHER.match(f) and not file_has_license(f)]
|
|
if missing:
|
|
print('The following files are missing expected copyright/license headers:')
|
|
print('\n'.join(missing))
|
|
sys.exit(1)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main(sys.argv[1:])
|