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#!/bin/env python
# Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
# chromium_extension.py
import logging
import optparse
import os
import re
import shutil
import sys
import zipfile
ignore_dirs = [".svn", "CVS"]
ignore_files = [re.compile(".*~")]
class ExtensionDir:
def __init__(self, path):
self._root = os.path.abspath(path)
self._dirs = []
self._files = []
for root, dirs, files in os.walk(path, topdown=True):
for dir in ignore_dirs:
if dir in dirs:
dirs.remove(dir)
root = os.path.abspath(root)
for dir in dirs:
self._dirs.append(os.path.join(root, dir))
for f in files:
for match in ignore_files:
if not match.match(f):
self._files.append(os.path.join(root, f))
def validate(self):
if os.path.join(self._root, "manifest") not in self._files:
logging.error("package is missing a valid manifest")
return False
return True
def writeToPackage(self, path):
if not self.validate():
return False
try:
if os.path.exists(path):
os.remove(path)
shutil.copy(os.path.join(self._root, "manifest"), path)
# This is a bit odd - we're actually appending a new zip file to the end
# of the manifest. Believe it or not, this is actually an explicit
# feature of the zipfile package, and most zip utilities (this library
# and three others I tried) can still read the underlying zip file.
zip = zipfile.ZipFile(path, "a")
(root, dir) = os.path.split(self._root)
root_len = len(root)
for file in self._files:
arcname = file[root_len+1:]
logging.debug("%s: %s" % (arcname, file))
zip.write(file, arcname)
zip.close()
logging.info("created extension package %s" % path)
except IOError, (errno, strerror):
logging.error("error creating extension %s (%d, %s)" % (path, errno,
strerror))
try:
if os.path.exists(path):
os.remove(path)
except:
pass
return False
return True
class ExtensionPackage:
def __init__(self, path):
zip = zipfile.ZipFile(path)
error = zip.testzip()
if error:
logging.error("error reading extension: %s", error)
return
logging.info("%s contents:" % path)
files = zip.namelist()
for f in files:
logging.info(f)
def Run():
logging.basicConfig(level=logging.INFO, format="[%(levelname)s] %(message)s")
parser = optparse.OptionParser("usage: %prog --indir=<dir> --outfile=<file>")
parser.add_option("", "--indir",
help="an input directory where the extension lives")
parser.add_option("", "--outfile",
help="extension package filename to create")
(options, args) = parser.parse_args()
if not options.indir:
parser.error("missing required option --indir")
if not options.outfile:
parser.error("missing required option --outfile")
ext = ExtensionDir(options.indir)
ext.writeToPackage(options.outfile)
pkg = ExtensionPackage(options.outfile)
return 0
if __name__ == "__main__":
retcode = Run()
sys.exit(retcode)
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