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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
OLD_LICENSE = '''\
\* ====================================================================
\* Copyright \(c\) (200[0-9]|200[0-9]-200[0-9]) CollabNet. All rights reserved.
\*
\* This software is licensed as described in the file COPYING, which
\* you should have received as part of this distribution\. The terms
\* are also available at http://subversion.tigris.org/license-1\.html\.
\* If newer versions of this license are posted there, you may use a
\* newer version instead, at your option\.
\*
\* This software consists of voluntary contributions made by many
\* individuals\. For exact contribution history, see the revision
\* history and logs, available at http://subversion.tigris.org/\.
\* ====================================================================
'''
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 = '''\
* ====================================================================
* Copyright (c) 2000-2005 CollabNet. All rights reserved.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://subversion.tigris.org/license-1.html.
* If newer versions of this license are posted there, you may use a
* newer version instead, at your option.
*
* This software consists of voluntary contributions made by many
* individuals. For exact contribution history, see the revision
* history and logs, available at http://subversion.tigris.org/.
* ====================================================================
'''
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:', fname
else:
s = s[:m.start()] + new_lic + s[m.end():]
open(fname, 'w').write(s)
print 'Changed:', 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
os.path.walk(f, visit, baton)
else:
baton = file_func
dir, i = os.path.split(f)
visit(baton, dir, i)
if __name__ == '__main__':
main()
|
