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#!/usr/bin/env python
#
# check if a file has the proper license in it
#
# USAGE: check-license.py [-C] file1 file2 ... fileN
#
# A 'file' may in fact be a directory, in which case it is recursively
# searched.
#
# If the license cannot be found, then the filename is printed to stdout.
# Typical usage:
# $ check-license.py . > bad-files
#
# -C switch is used to change licenses.
# Typical usage:
# $ check-license.py -C file1 file2 ... fileN
#
import sys, os, re
# Note: Right now, OLD_LICENSE and NEW_LICENSE are the same, because
# r878444 updated all the license blocks. In the future, if we update
# the license block again, change just NEW_LICENSE and use this script.
OLD_LICENSE = '''\
\* ====================================================================
\* Licensed to the Subversion Corporation \(SVN Corp\.\) under one
\* or more contributor license agreements\. See the NOTICE file
\* distributed with this work for additional information
\* regarding copyright ownership\. The SVN Corp\. licenses this file
\* to you under the Apache License, Version 2\.0 \(the
\* "License"\); you may not use this file except in compliance
\* with the License\. You may obtain a copy of the License at
\*
\* http://www\.apache\.org/licenses/LICENSE-2\.0
\*
\* Unless required by applicable law or agreed to in writing,
\* software distributed under the License is distributed on an
\* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
\* KIND, either express or implied\. See the License for the
\* specific language governing permissions and limitations
\* under the License\.
\* ====================================================================
'''
SH_OLD_LICENSE = re.subn(r'(?m)^ \\\*', '#', OLD_LICENSE)[0]
# Remember not to do regexp quoting for NEW_LICENSE. Only OLD_LICENSE
# is used for matching; NEW_LICENSE is inserted as-is.
NEW_LICENSE = '''\
* ====================================================================
* Licensed to the Subversion Corporation (SVN Corp.) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The SVN Corp. licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
* ====================================================================
'''
SH_NEW_LICENSE = re.subn(r'(?m)^ \*', '#', NEW_LICENSE)[0]
re_OLD = re.compile(OLD_LICENSE)
re_SH_OLD = re.compile(SH_OLD_LICENSE)
re_EXCLUDE = re.compile(
r'automatically generated by SWIG'
+ r'|Generated from configure\.in'
+ r'|placed into the public domain'
)
c_comment_suffices = ('.c', '.java', '.h', '.cpp', '.hw', '.pas')
# Yes, this is an empty tuple. No types that fit in this category uniformly
# have a copyright block.
# Possible types to add here:
# ('.bat', '.py', '.pl', '.in')
sh_comment_suffices = ()
def check_file(fname, old_re, new_lic):
s = open(fname).read()
if (not old_re.search(s)
and not re_EXCLUDE.search(s)):
print(fname)
def change_license(fname, old_re, new_lic):
s = open(fname).read()
m = old_re.search(s)
if not m:
print('ERROR: missing old license: %s' % fname)
else:
s = s[:m.start()] + new_lic + s[m.end():]
open(fname, 'w').write(s)
print('Changed: %s' % fname)
def visit(baton, dirname, dircontents):
file_func = baton
for i in dircontents:
# Don't recurse into certain directories
if i in ('.svn', '.libs'):
dircontents.remove(i)
continue
extension = os.path.splitext(i)[1]
fullname = os.path.join(dirname, i)
if os.path.isdir(fullname):
continue
if extension in c_comment_suffices:
file_func(fullname, re_OLD, NEW_LICENSE)
elif extension in sh_comment_suffices:
file_func(fullname, re_SH_OLD, SH_NEW_LICENSE)
def main():
file_func = check_file
if sys.argv[1] == '-C':
print('Changing license text...')
del sys.argv[1]
file_func = change_license
for f in sys.argv[1:]:
if os.path.isdir(f):
baton = file_func
for dirpath, dirs, files in os.walk(f):
visit(baton, dirpath, dirs + files)
else:
baton = file_func
dir, i = os.path.split(f)
visit(baton, dir, i)
if __name__ == '__main__':
main()
|
