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# Copyright 2013 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.
from caching_file_system import CachingFileSystem
from empty_dir_file_system import EmptyDirFileSystem
from github_file_system import GithubFileSystem as OldGithubFileSystem
from new_github_file_system import GithubFileSystem as NewGithubFileSystem
class GithubFileSystemProvider(object):
'''Provides GithubFileSystems bound to an owner/repo pair.
'''
def __init__(self, object_store_creator):
self._object_store_creator = object_store_creator
def Create(self, owner, repo):
'''Creates a GithubFileSystem. For legacy reasons this is hacked
such that the apps samples returns the old GithubFileSystem.
|owner| is the owner of the GitHub account, e.g. 'GoogleChrome'.
|repo| is the repository name, e.g. 'devtools-docs'.
'''
if owner == 'GoogleChrome' and repo == 'chrome-app-samples':
# NOTE: The old GitHub file system implementation doesn't support being
# wrapped by a CachingFileSystem. It's also too slow to run on the dev
# server, since every app API page would need to read from it.
return OldGithubFileSystem.CreateChromeAppsSamples(
self._object_store_creator)
return CachingFileSystem(
NewGithubFileSystem.Create(owner, repo, self._object_store_creator),
self._object_store_creator)
@staticmethod
def ForEmpty():
class EmptyImpl(object):
def Create(self, owner, repo):
return EmptyDirFileSystem()
return EmptyImpl()
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