libervia-backend: src/memory/cache.py annotate

annotate src/memory/cache.py @ 2561:bd30dc3ffe5a

plugin merge-request mercurial: keeps more chars for import name

author	Goffi <goffi@goffi.org>
date	Mon, 02 Apr 2018 08:56:24 +0200
parents	cd7a53c31eb6
children

rev	line source
2109 85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	1 #!/usr/bin/env python2
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	2 # -- coding: utf-8 --
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	3
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	4 # SAT: a jabber client
2483 0046283a285d dates update Goffi <goffi@goffi.org> parents: 2414 diff changeset	5 # Copyright (C) 2009-2018 Jérôme Poisson (goffi@goffi.org)
2109 85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	6
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	7 # This program is free software: you can redistribute it and/or modify
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	8 # it under the terms of the GNU Affero General Public License as published by
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	9 # the Free Software Foundation, either version 3 of the License, or
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	10 # (at your option) any later version.
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	11
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	12 # This program is distributed in the hope that it will be useful,
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	15 # GNU Affero General Public License for more details.
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	16
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	17 # You should have received a copy of the GNU Affero General Public License
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	19
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	20 from sat.core.log import getLogger
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	21 log = getLogger(__name__)
2166 1b3fbb76984b core (memory/cache): escape profile when creating cache dir Goffi <goffi@goffi.org> parents: 2116 diff changeset	22 from sat.tools.common import regex
2109 85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	23 from sat.core import exceptions
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	24 from sat.core.constants import Const as C
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	25 import cPickle as pickle
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	26 import mimetypes
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	27 import os.path
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	28 import time
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	29
2509 d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	30 DEFAULT_EXT = '.raw'
d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	31
2109 85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	32
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	33 class Cache(object):
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	34 """generic file caching"""
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	35
2509 d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	36 def __init__(self, host, profile):
d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	37 """
d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	38 @param profile(unicode, None): ame of the profile to set the cache for
d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	39 if None, the cache will be common for all profiles
d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	40 """
2109 85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	41 self.profile = profile
2509 d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	42 path_elts = [host.memory.getConfig('', 'local_dir'), C.CACHE_DIR]
d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	43 if profile:
d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	44 path_elts.extend([u'profiles',regex.pathEscape(profile)])
d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	45 else:
d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	46 path_elts.append(u'common')
d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	47 self.cache_dir = os.path.join(*path_elts)
d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	48
2109 85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	49 if not os.path.exists(self.cache_dir):
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	50 os.makedirs(self.cache_dir)
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	51
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	52 def getPath(self, filename):
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	53 """return cached file URL
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	54
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	55 @param filename(unicode): cached file name (cache data or actual file)
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	56 """
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	57 if not filename or u'/' in filename:
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	58 log.error(u"invalid char found in file name, hack attempt? name:{}".format(filename))
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	59 raise exceptions.DataError(u"Invalid char found")
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	60 return os.path.join(self.cache_dir, filename)
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	61
2517 cd7a53c31eb6 core (memory/cache): new getMetadata method to retrieve metadata without opening the file Goffi <goffi@goffi.org> parents: 2509 diff changeset	62 def getMetadata(self, uid):
cd7a53c31eb6 core (memory/cache): new getMetadata method to retrieve metadata without opening the file Goffi <goffi@goffi.org> parents: 2509 diff changeset	63 """retrieve metadata for cached data
2109 85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	64
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	65 @param uid(unicode): unique identifier of file
2517 cd7a53c31eb6 core (memory/cache): new getMetadata method to retrieve metadata without opening the file Goffi <goffi@goffi.org> parents: 2509 diff changeset	66 @return (dict, None): metadata with following keys:
cd7a53c31eb6 core (memory/cache): new getMetadata method to retrieve metadata without opening the file Goffi <goffi@goffi.org> parents: 2509 diff changeset	67 see [cacheData] for data details, an additional "path" key is the full path to cached file.
2109 85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	68 None if file is not in cache (or cache is invalid)
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	69 """
2517 cd7a53c31eb6 core (memory/cache): new getMetadata method to retrieve metadata without opening the file Goffi <goffi@goffi.org> parents: 2509 diff changeset	70
2116 766dbbec56f2 core (memory/cache): geFilePath now return None when uid is empty Goffi <goffi@goffi.org> parents: 2109 diff changeset	71 uid = uid.strip()
766dbbec56f2 core (memory/cache): geFilePath now return None when uid is empty Goffi <goffi@goffi.org> parents: 2109 diff changeset	72 if not uid:
2509 d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	73 raise exceptions.InternalError(u"uid must not be empty")
2109 85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	74 cache_url = self.getPath(uid)
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	75 if not os.path.exists(cache_url):
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	76 return None
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	77
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	78 try:
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	79 with open(cache_url, 'rb') as f:
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	80 cache_data = pickle.load(f)
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	81 except IOError:
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	82 log.warning(u"can't read cache at {}".format(cache_url))
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	83 return None
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	84 except pickle.UnpicklingError:
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	85 log.warning(u'invalid cache found at {}'.format(cache_url))
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	86 return None
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	87
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	88 try:
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	89 eol = cache_data['eol']
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	90 except KeyError:
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	91 log.warning(u'no End Of Life found for cached file {}'.format(uid))
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	92 eol = 0
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	93 if eol < time.time():
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	94 log.debug(u"removing expired cache (expired for {}s)".format(
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	95 time.time() - eol))
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	96 return None
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	97
2517 cd7a53c31eb6 core (memory/cache): new getMetadata method to retrieve metadata without opening the file Goffi <goffi@goffi.org> parents: 2509 diff changeset	98 cache_data['path'] = self.getPath(cache_data['filename'])
cd7a53c31eb6 core (memory/cache): new getMetadata method to retrieve metadata without opening the file Goffi <goffi@goffi.org> parents: 2509 diff changeset	99 return cache_data
cd7a53c31eb6 core (memory/cache): new getMetadata method to retrieve metadata without opening the file Goffi <goffi@goffi.org> parents: 2509 diff changeset	100
cd7a53c31eb6 core (memory/cache): new getMetadata method to retrieve metadata without opening the file Goffi <goffi@goffi.org> parents: 2509 diff changeset	101 def getFilePath(self, uid):
cd7a53c31eb6 core (memory/cache): new getMetadata method to retrieve metadata without opening the file Goffi <goffi@goffi.org> parents: 2509 diff changeset	102 """retrieve absolute path to file
cd7a53c31eb6 core (memory/cache): new getMetadata method to retrieve metadata without opening the file Goffi <goffi@goffi.org> parents: 2509 diff changeset	103
cd7a53c31eb6 core (memory/cache): new getMetadata method to retrieve metadata without opening the file Goffi <goffi@goffi.org> parents: 2509 diff changeset	104 @param uid(unicode): unique identifier of file
cd7a53c31eb6 core (memory/cache): new getMetadata method to retrieve metadata without opening the file Goffi <goffi@goffi.org> parents: 2509 diff changeset	105 @return (unicode, None): absolute path to cached file
cd7a53c31eb6 core (memory/cache): new getMetadata method to retrieve metadata without opening the file Goffi <goffi@goffi.org> parents: 2509 diff changeset	106 None if file is not in cache (or cache is invalid)
cd7a53c31eb6 core (memory/cache): new getMetadata method to retrieve metadata without opening the file Goffi <goffi@goffi.org> parents: 2509 diff changeset	107 """
cd7a53c31eb6 core (memory/cache): new getMetadata method to retrieve metadata without opening the file Goffi <goffi@goffi.org> parents: 2509 diff changeset	108 metadata = self.getMetadata(uid)
cd7a53c31eb6 core (memory/cache): new getMetadata method to retrieve metadata without opening the file Goffi <goffi@goffi.org> parents: 2509 diff changeset	109 if metadata is not None:
cd7a53c31eb6 core (memory/cache): new getMetadata method to retrieve metadata without opening the file Goffi <goffi@goffi.org> parents: 2509 diff changeset	110 return metadata['path']
2109 85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	111
2509 d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	112 def cacheData(self, source, uid, mime_type=None, max_age=None, filename=None):
2109 85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	113 """create cache metadata and file object to use for actual data
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	114
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	115 @param source(unicode): source of the cache (should be plugin's import_name)
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	116 @param uid(unicode): an identifier of the file which must be unique
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	117 @param mime_type(unicode): MIME type of the file to cache
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	118 it will be used notably to guess file extension
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	119 @param max_age(int, None): maximum age in seconds
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	120 the cache metadata will have an "eol" (end of life)
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	121 None to use default value
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	122 0 to ignore cache (file will be re-downloaded on each access)
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	123 @param filename: if not None, will be used as filename
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	124 else one will be generated from uid and guessed extension
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	125 @return(file): file object opened in write mode
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	126 you have to close it yourself (hint: use with statement)
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	127 """
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	128 cache_url = self.getPath(uid)
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	129 if filename is None:
2509 d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	130 if mime_type:
d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	131 ext = mimetypes.guess_extension(mime_type, strict=False)
d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	132 if ext is None:
d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	133 log.warning(u"can't find extension for MIME type {}".format(mime_type))
d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	134 ext = DEFAULT_EXT
d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	135 elif ext == u'.jpe':
d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	136 ext = u'.jpg'
d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	137 else:
d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	138 ext = DEFAULT_EXT
d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	139 mime_type = None
2109 85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	140 filename = uid + ext
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	141 if max_age is None:
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	142 max_age = C.DEFAULT_MAX_AGE
2509 d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	143 cache_data = {u'source': source,
d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	144 u'filename': filename,
d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	145 u'eol': int(time.time()) + max_age,
d485e9416493 core (memory/cache): common cache: Goffi <goffi@goffi.org> parents: 2506 diff changeset	146 u'mime_type': mime_type,
2109 85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	147 }
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	148 file_path = self.getPath(filename)
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	149
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	150 with open(cache_url, 'wb') as f:
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	151 pickle.dump(cache_data, f, protocol=2)
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	152
85f3e12e984d core (memory/cache): file caching handling, first draft: Goffi <goffi@goffi.org> parents: diff changeset	153 return open(file_path, 'wb')

Mercurial > libervia-backend

annotate src/memory/cache.py @ 2561:bd30dc3ffe5a