axmol/tools/cocos2d-console/plugins/plugin_package/helper/zip_unpacker.py

57 lines
1.7 KiB
Python

import os
import os.path
import zipfile
import cocos
from MultiLanguage import MultiLanguage
from functions import *
class ZipUnpacker(object):
def __init__(self, filename):
self._filename = filename
def unpack(self, extract_dir):
"""Unpack zip `filename` to `extract_dir`
Raises ``UnrecognizedFormat`` if `filename` is not a zipfile (as determined
by ``zipfile.is_zipfile()``).
"""
if not zipfile.is_zipfile(self._filename):
raise UnrecognizedFormat(MultiLanguage.get_string('PACKAGE_ERROR_NOT_ZIP_FMT', self._filename))
print(MultiLanguage.get_string('PACKAGE_EXTRACT_TIP'))
z = zipfile.ZipFile(self._filename)
try:
for info in z.infolist():
name = info.filename
# don't extract absolute paths or ones with .. in them
if name.startswith('/') or '..' in name:
continue
target = os.path.join(extract_dir, *name.split('/'))
if not target:
continue
if name.endswith('/'):
# directory
ensure_directory(target)
else:
# file
data = z.read(info.filename)
f = open(target, 'wb')
try:
f.write(data)
finally:
f.close()
del data
unix_attributes = info.external_attr >> 16
if unix_attributes:
os.chmod(target, unix_attributes)
finally:
z.close()
print(MultiLanguage.get_string('PACKAGE_EXTRACT_END'))