зеркало из https://github.com/mozilla/pjs.git
41 строка
1.2 KiB
Python
41 строка
1.2 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
# License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
|
|
'''A generic script to add entries to a file
|
|
if the entry does not already exist.
|
|
|
|
Usage: buildlist.py <filename> <entry> [<entry> ...]
|
|
'''
|
|
|
|
import sys
|
|
import os
|
|
from utils import lockFile
|
|
|
|
def addEntriesToListFile(listFile, entries):
|
|
"""Given a file |listFile| containing one entry per line,
|
|
add each entry in |entries| to the file, unless it is already
|
|
present."""
|
|
lock = lockFile(listFile + ".lck")
|
|
try:
|
|
if os.path.exists(listFile):
|
|
f = open(listFile)
|
|
existing = set([x.strip() for x in f.readlines()])
|
|
f.close()
|
|
else:
|
|
existing = set()
|
|
f = open(listFile, 'a')
|
|
for e in entries:
|
|
if e not in existing:
|
|
f.write("%s\n" % e)
|
|
existing.add(e)
|
|
f.close()
|
|
finally:
|
|
lock = None
|
|
|
|
if __name__ == '__main__':
|
|
if len(sys.argv) < 3:
|
|
print >>sys.stderr, "Usage: buildlist.py <list file> <entry> [<entry> ...]"
|
|
sys.exit(1)
|
|
addEntriesToListFile(sys.argv[1], sys.argv[2:])
|