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1 # Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 # Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 # Use of this source code is governed by a BSD-style license that can be | 2 # Use of this source code is governed by a BSD-style license that can be |
3 # found in the LICENSE file. | 3 # found in the LICENSE file. |
4 | 4 |
5 from appengine_wrappers import memcache | 5 from appengine_wrappers import memcache |
6 | 6 |
7 MEMCACHE_FILE_SYSTEM_READ = 'MemcacheFileSystem.Get' | 7 MEMCACHE_FILE_SYSTEM_READ = 'MemcacheFileSystem.Get' |
8 MEMCACHE_FILE_SYSTEM_STAT = 'MemcacheFileSystem.Stat' | 8 MEMCACHE_FILE_SYSTEM_STAT = 'MemcacheFileSystem.Stat' |
| 9 MEMCACHE_GITHUB_STAT = 'MemcacheGithub.Stat' |
9 MEMCACHE_BRANCH_UTILITY = 'BranchUtility' | 10 MEMCACHE_BRANCH_UTILITY = 'BranchUtility' |
10 | 11 |
11 class AppEngineMemcache(object): | 12 class AppEngineMemcache(object): |
12 """A wrapper around the standard App Engine memcache that enforces namespace | 13 """A wrapper around the standard App Engine memcache that enforces namespace |
13 use. Uses a branch to make sure there are no key collisions if separate | 14 use. Uses a branch to make sure there are no key collisions if separate |
14 branches cache the same file. | 15 branches cache the same file. |
15 """ | 16 """ |
16 def __init__(self, branch): | 17 def __init__(self, branch): |
17 self._branch = branch | 18 self._branch = branch |
18 | 19 |
19 def Set(self, key, value, namespace, time=60): | 20 def Set(self, key, value, namespace, time=60): |
20 return memcache.set(key, | 21 return memcache.set(key, |
21 value, | 22 value, |
22 namespace=self._branch + '.' + namespace, | 23 namespace=self._branch + '.' + namespace, |
23 time=time) | 24 time=time) |
24 | 25 |
25 def Get(self, key, namespace): | 26 def Get(self, key, namespace): |
26 return memcache.get(key, namespace=self._branch + '.' + namespace) | 27 return memcache.get(key, namespace=self._branch + '.' + namespace) |
27 | 28 |
28 def Delete(self, key, namespace): | 29 def Delete(self, key, namespace): |
29 return memcache.delete(key, namespace=self._branch + '.' + namespace) | 30 return memcache.delete(key, namespace=self._branch + '.' + namespace) |
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