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# Copyright (C) 2010 Google Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
from __future__ import with_statement
import os
from webkitpy.common.system.filesystem import FileSystem
class FileSetFileHandle(object):
"""Points to a file that resides in a file set"""
def __init__(self, fileset, filename, filesystem=None):
self._filename = filename
self._fileset = fileset
self._contents = None
self._filesystem = filesystem or FileSystem()
def __str__(self):
return "%s:%s" % (self._fileset, self._filename)
def contents(self):
if self._contents is None:
self._contents = self._fileset.read(self._filename)
return self._contents
def save_to(self, path, filename=None):
if filename is None:
self._fileset.extract(self._filename, path)
return
with self._filesystem.mkdtemp() as temp_dir:
self._fileset.extract(self._filename, temp_dir)
src = self._filesystem.join(temp_dir, self._filename)
dest = self._filesystem.join(path, filename)
self._filesystem.copyfile(src, dest)
def delete(self):
self._fileset.delete(self._filename)
def name(self):
return self._filename
def splitext(self):
return os.path.splitext(self.name())
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