chrome/common/extensions/docs/server2/memcache_file_system.py - Issue 10836253: Extensions Docs Server: memcache_file_system fix

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Side by Side Diff: chrome/common/extensions/docs/server2/memcache_file_system.py

Issue 10836253: Extensions Docs Server: memcache_file_system fix (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: comment Created 8 years, 4 months ago

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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 file_system import FileSystem	5 from file_system import FileSystem

6 from future import Future	6 from future import Future

7 import appengine_memcache as memcache	7 import appengine_memcache as memcache

8	8

9 class MemcacheFileSystem(FileSystem):	9 class MemcacheFileSystem(FileSystem):

10 """FileSystem implementation which memcaches the results of Read.	10 """FileSystem implementation which memcaches the results of Read.

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50 uncached.append(path)	50 uncached.append(path)

51 continue	51 continue

52 result[path] = data	52 result[path] = data

53 if uncached:	53 if uncached:

54 # TODO(cduvall): if there are uncached items we should return an	54 # TODO(cduvall): if there are uncached items we should return an

55 # asynchronous future. http://crbug.com/142013	55 # asynchronous future. http://crbug.com/142013

56 new_items = self._file_system.Read(uncached, binary=binary).Get()	56 new_items = self._file_system.Read(uncached, binary=binary).Get()

57 for item in new_items:	57 for item in new_items:

58 version = self.Stat(item).version	58 version = self.Stat(item).version

59 value = new_items[item]	59 value = new_items[item]

	60 # Cache this file forever.

60 self._memcache.Set(item,	61 self._memcache.Set(item,

61 (value, version),	62 (value, version),

62 memcache.MEMCACHE_FILE_SYSTEM_READ)	63 memcache.MEMCACHE_FILE_SYSTEM_READ,

	64 time=0)

63 result[item] = value	65 result[item] = value

64 return Future(value=result)	66 return Future(value=result)

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