1 # Copyright (C) 2010 Google Inc. All rights reserved.
3 # Redistribution and use in source and binary forms, with or without
4 # modification, are permitted provided that the following conditions
7 # 1. Redistributions of source code must retain the above copyright
8 # notice, this list of conditions and the following disclaimer.
9 # 2. Redistributions in binary form must reproduce the above copyright
10 # notice, this list of conditions and the following disclaimer in the
11 # documentation and/or other materials provided with the distribution.
13 # THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
14 # EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15 # WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16 # DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
17 # DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18 # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19 # LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
20 # ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 # THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 from webkitpy.common.net.networktransaction import NetworkTransaction
28 from webkitpy.common.system.fileset import FileSetFileHandle
29 from webkitpy.common.system.filesystem import FileSystem
32 class ZipFileSet(object):
33 """The set of files in a zip file that resides at a URL (local or remote)"""
34 def __init__(self, zip_url, filesystem=None, zip_factory=None):
35 self._zip_url = zip_url
36 self._temp_file = None
38 self._filesystem = filesystem or FileSystem()
39 self._zip_factory = zip_factory or self._retrieve_zip_file
41 def _retrieve_zip_file(self, zip_url):
42 temp_file = NetworkTransaction().run(lambda: urllib.urlretrieve(zip_url)[0])
43 return (temp_file, zipfile.ZipFile(temp_file))
46 if self._zip_file is None:
47 self._temp_file, self._zip_file = self._zip_factory(self._zip_url)
49 def open(self, filename):
51 return FileSetFileHandle(self, filename, self._filesystem)
55 self._filesystem.remove(self._temp_file)
56 self._temp_file = None
60 return self._zip_file.namelist()
62 def read(self, filename):
64 return self._zip_file.read(filename)
66 def extract(self, filename, path):
68 self._zip_file.extract(filename, path)
70 def delete(self, filename):
71 raise Exception("Can't delete from a ZipFileSet.")