banner-helper.py

#!/usr/bin/env python

BANNER = """/*
 * ============================================================================
 * Copyright (C) %d Kaltura Inc.
 * 
 * Licensed under the AGPLv3 license, unless a different license for a
 * particular library is specified in the applicable library path.
 * 
 * You may obtain a copy of the License at
 * https://www.gnu.org/licenses/agpl-3.0.html
 * ============================================================================
 */
"""


import os
from datetime import datetime

FIRST_YEAR = 2017
THIS_YEAR = datetime.now().year

def has_banner(d):
	d = d.lstrip()
	for year in xrange(FIRST_YEAR, THIS_YEAR + 1):
		if d.startswith(BANNER % year):
			return True
	return False

banner = BANNER % THIS_YEAR
modified_files = 0

for root, dirs, files in os.walk('playkit/src/main/java/com/kaltura/playkit'):
	for name in files:
		fileExt = os.path.splitext(name)[1]
		if fileExt != '.java':
			continue
		
		fullPath = os.path.join(root, name)
		d = file(fullPath, 'rb').read()
		
		if has_banner(d):
			continue
		
		d = banner + '\n' + d
		
		file(fullPath, 'wb').write(d)
		
		modified_files += 1

# exit with 0 (OK) if there was at least one change.
exit(0 if modified_files > 0 else 1)