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72 lines
2.8 KiB
Python
72 lines
2.8 KiB
Python
# Copyright (C) 2010 Google Inc. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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# DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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import urllib
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import zipfile
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from webkitpy.common.net.networktransaction import NetworkTransaction
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from webkitpy.common.system.fileset import FileSetFileHandle
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from webkitpy.common.system.filesystem import FileSystem
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class ZipFileSet(object):
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"""The set of files in a zip file that resides at a URL (local or remote)"""
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def __init__(self, zip_url, filesystem=None, zip_factory=None):
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self._zip_url = zip_url
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self._temp_file = None
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self._zip_file = None
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self._filesystem = filesystem or FileSystem()
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self._zip_factory = zip_factory or self._retrieve_zip_file
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def _retrieve_zip_file(self, zip_url):
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temp_file = NetworkTransaction().run(lambda: urllib.urlretrieve(zip_url)[0])
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return (temp_file, zipfile.ZipFile(temp_file))
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def _load(self):
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if self._zip_file is None:
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self._temp_file, self._zip_file = self._zip_factory(self._zip_url)
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def open(self, filename):
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self._load()
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return FileSetFileHandle(self, filename, self._filesystem)
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def close(self):
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if self._temp_file:
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self._filesystem.remove(self._temp_file)
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self._temp_file = None
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def namelist(self):
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self._load()
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return self._zip_file.namelist()
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def read(self, filename):
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self._load()
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return self._zip_file.read(filename)
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def extract(self, filename, path):
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self._load()
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self._zip_file.extract(filename, path)
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def delete(self, filename):
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raise Exception("Can't delete from a ZipFileSet.")
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