libervia-backend: sat/memory/persistent.py annotate

annotate sat/memory/persistent.py @ 2644:e107089d6640

core (memory/persistent): better default value handling in LazyPersistentBinaryDict (don't jump to debugger in debug mode if value is not found)

author	Goffi <goffi@goffi.org>
date	Sun, 29 Jul 2018 18:44:49 +0200
parents	26edcf3a30eb
children	9702025f6dff

rev	line source
1934 2daf7b4c6756 use of /usr/bin/env instead of /usr/bin/python in shebang Goffi <goffi@goffi.org> parents: 1766 diff changeset	1 #!/usr/bin/env python2
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	2 # -- coding: utf-8 --
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	3
609 84a6e83157c2 fixed licences in docstrings (they are now in comments) Goffi <goffi@goffi.org> parents: 592 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)
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	6
609 84a6e83157c2 fixed licences in docstrings (they are now in comments) Goffi <goffi@goffi.org> parents: 592 diff changeset	7 # This program is free software: you can redistribute it and/or modify
84a6e83157c2 fixed licences in docstrings (they are now in comments) Goffi <goffi@goffi.org> parents: 592 diff changeset	8 # it under the terms of the GNU Affero General Public License as published by
84a6e83157c2 fixed licences in docstrings (they are now in comments) Goffi <goffi@goffi.org> parents: 592 diff changeset	9 # the Free Software Foundation, either version 3 of the License, or
84a6e83157c2 fixed licences in docstrings (they are now in comments) Goffi <goffi@goffi.org> parents: 592 diff changeset	10 # (at your option) any later version.
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	11
609 84a6e83157c2 fixed licences in docstrings (they are now in comments) Goffi <goffi@goffi.org> parents: 592 diff changeset	12 # This program is distributed in the hope that it will be useful,
84a6e83157c2 fixed licences in docstrings (they are now in comments) Goffi <goffi@goffi.org> parents: 592 diff changeset	13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
84a6e83157c2 fixed licences in docstrings (they are now in comments) Goffi <goffi@goffi.org> parents: 592 diff changeset	14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
84a6e83157c2 fixed licences in docstrings (they are now in comments) Goffi <goffi@goffi.org> parents: 592 diff changeset	15 # GNU Affero General Public License for more details.
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	16
609 84a6e83157c2 fixed licences in docstrings (they are now in comments) Goffi <goffi@goffi.org> parents: 592 diff changeset	17 # You should have received a copy of the GNU Affero General Public License
84a6e83157c2 fixed licences in docstrings (they are now in comments) Goffi <goffi@goffi.org> parents: 592 diff changeset	18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	19
771 bfabeedbf32e core: i18n refactoring: Goffi <goffi@goffi.org> parents: 609 diff changeset	20 from sat.core.i18n import _
993 301b342c697a core: use of the new core.log module: Goffi <goffi@goffi.org> parents: 979 diff changeset	21 from sat.core.log import getLogger
301b342c697a core: use of the new core.log module: Goffi <goffi@goffi.org> parents: 979 diff changeset	22 log = getLogger(__name__)
2644 e107089d6640 core (memory/persistent): better default value handling in LazyPersistentBinaryDict (don't jump to debugger in debug mode if value is not found) Goffi <goffi@goffi.org> parents: 2562 diff changeset	23 from twisted.python import failure
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	24
592 e5a875a3311b Fix pep8 support in src/memory. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 588 diff changeset	25
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	26 class MemoryNotInitializedError(Exception):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	27 pass
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	28
592 e5a875a3311b Fix pep8 support in src/memory. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 588 diff changeset	29
588 beaf6bec2fcd Remove every old-style class. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 587 diff changeset	30 class PersistentDict(object):
592 e5a875a3311b Fix pep8 support in src/memory. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 588 diff changeset	31 r"""A dictionary which save persistently each value assigned
2182 087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	32
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	33 /!\ be careful, each assignment means a database write
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	34 /!\ Memory must be initialised before loading/setting value with instances of this class"""
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	35 storage = None
2182 087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	36 binary = False
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	37
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	38 def __init__(self, namespace, profile=None):
2182 087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	39 """
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	40
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	41 @param namespace: unique namespace for this dictionary
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	42 @param profile(unicode, None): profile which MUST exists, or None for general values
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	43 """
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	44 if not self.storage:
993 301b342c697a core: use of the new core.log module: Goffi <goffi@goffi.org> parents: 979 diff changeset	45 log.error(_("PersistentDict can't be used before memory initialisation"))
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	46 raise MemoryNotInitializedError
2182 087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	47 self._cache = None
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	48 self.namespace = namespace
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	49 self.profile = profile
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	50
2182 087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	51 def _setCache(self, data):
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	52 self._cache = data
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	53
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	54 def load(self):
1029 f6182f6418ea memory: add class ProfileSessions based on Sessions souliane <souliane@mailoo.org> parents: 993 diff changeset	55 """Load persistent data from storage.
f6182f6418ea memory: add class ProfileSessions based on Sessions souliane <souliane@mailoo.org> parents: 993 diff changeset	56
2182 087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	57 need to be called before any other operation
1029 f6182f6418ea memory: add class ProfileSessions based on Sessions souliane <souliane@mailoo.org> parents: 993 diff changeset	58 @return: defers the PersistentDict instance itself
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	59 """
2182 087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	60 d = self.storage.getPrivates(self.namespace, binary=self.binary, profile=self.profile)
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	61 d.addCallback(self._setCache)
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	62 d.addCallback(lambda dummy: self)
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	63 return d
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	64
1292 b29a065a66f0 core: added items() and iteritems() methods to PersistentDict Goffi <goffi@goffi.org> parents: 1029 diff changeset	65 def iteritems(self):
b29a065a66f0 core: added items() and iteritems() methods to PersistentDict Goffi <goffi@goffi.org> parents: 1029 diff changeset	66 return self._cache.iteritems()
b29a065a66f0 core: added items() and iteritems() methods to PersistentDict Goffi <goffi@goffi.org> parents: 1029 diff changeset	67
b29a065a66f0 core: added items() and iteritems() methods to PersistentDict Goffi <goffi@goffi.org> parents: 1029 diff changeset	68 def items(self):
b29a065a66f0 core: added items() and iteritems() methods to PersistentDict Goffi <goffi@goffi.org> parents: 1029 diff changeset	69 return self._cache.items()
b29a065a66f0 core: added items() and iteritems() methods to PersistentDict Goffi <goffi@goffi.org> parents: 1029 diff changeset	70
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	71 def __repr__(self):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	72 return self._cache.__repr__()
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	73
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	74 def __str__(self):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	75 return self._cache.__str__()
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	76
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	77 def __lt__(self, other):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	78 return self._cache.__lt__(other)
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	79
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	80 def __le__(self, other):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	81 return self._cache.__le__(other)
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	82
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	83 def __eq__(self, other):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	84 return self._cache.__eq__(other)
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	85
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	86 def __ne__(self, other):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	87 return self._cache.__ne__(other)
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	88
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	89 def __gt__(self, other):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	90 return self._cache.__gt__(other)
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	91
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	92 def __ge__(self, other):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	93 return self._cache.__ge__(other)
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	94
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	95 def __cmp__(self, other):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	96 return self._cache.__cmp__(other)
587 952322b1d490 Remove trailing whitespaces. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 585 diff changeset	97
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	98 def __hash__(self):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	99 return self._cache.__hash__()
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	100
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	101 def __nonzero__(self):
439 866dbb0d7d87 plugin maildir: maildir now use PersistentBinaryDictionary to store profile specific data Goffi <goffi@goffi.org> parents: 432 diff changeset	102 return self._cache.__len__()
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	103
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	104 def __contains__(self, key):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	105 return self._cache.__contains__(key)
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	106
979 8f8bdd31375a core (memory): added __iter__ to PersistentDict Goffi <goffi@goffi.org> parents: 811 diff changeset	107 def __iter__(self):
8f8bdd31375a core (memory): added __iter__ to PersistentDict Goffi <goffi@goffi.org> parents: 811 diff changeset	108 return self._cache.__iter__()
8f8bdd31375a core (memory): added __iter__ to PersistentDict Goffi <goffi@goffi.org> parents: 811 diff changeset	109
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	110 def __getitem__(self, key):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	111 return self._cache.__getitem__(key)
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	112
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	113 def __setitem__(self, key, value):
2182 087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	114 self.storage.setPrivateValue(self.namespace, key, value, self.binary, self.profile)
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	115 return self._cache.__setitem__(key, value)
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	116
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	117 def __delitem__(self, key):
2302 f824b6026b73 core (memory/persistent): fixed calls to delPrivateValue Goffi <goffi@goffi.org> parents: 2209 diff changeset	118 self.storage.delPrivateValue(self.namespace, key, self.binary, self.profile)
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	119 return self._cache.__delitem__(key)
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	120
442 ab9ddf6c7eaf core: added get method to PersistentDictionary Goffi <goffi@goffi.org> parents: 439 diff changeset	121 def get(self, key, default=None):
ab9ddf6c7eaf core: added get method to PersistentDictionary Goffi <goffi@goffi.org> parents: 439 diff changeset	122 return self._cache.get(key, default)
ab9ddf6c7eaf core: added get method to PersistentDictionary Goffi <goffi@goffi.org> parents: 439 diff changeset	123
1340 91e72da1d093 core (persistent dict): added setdefault method Goffi <goffi@goffi.org> parents: 1292 diff changeset	124 def setdefault(self, key, default):
91e72da1d093 core (persistent dict): added setdefault method Goffi <goffi@goffi.org> parents: 1292 diff changeset	125 try:
91e72da1d093 core (persistent dict): added setdefault method Goffi <goffi@goffi.org> parents: 1292 diff changeset	126 return self._cache[key]
91e72da1d093 core (persistent dict): added setdefault method Goffi <goffi@goffi.org> parents: 1292 diff changeset	127 except:
91e72da1d093 core (persistent dict): added setdefault method Goffi <goffi@goffi.org> parents: 1292 diff changeset	128 self.__setitem__(key, default)
91e72da1d093 core (persistent dict): added setdefault method Goffi <goffi@goffi.org> parents: 1292 diff changeset	129 return default
91e72da1d093 core (persistent dict): added setdefault method Goffi <goffi@goffi.org> parents: 1292 diff changeset	130
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	131 def force(self, name):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	132 """Force saving of an attribute to storage
2182 087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	133
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	134 @return: deferred fired when data is actually saved
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	135 """
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	136 return self.storage.setPrivateValue(self.namespace, name, self._cache[name], self.binary, self.profile)
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	137
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	138
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	139 class PersistentBinaryDict(PersistentDict):
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	140 """Persistent dict where value can be any python data (instead of string only)"""
2182 087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	141 binary = True
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	142
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	143
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	144 class LazyPersistentBinaryDict(PersistentBinaryDict):
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	145 ur"""PersistentBinaryDict which get key/value when needed
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	146
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	147 This Persistent need more database access, it is suitable for largest data,
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	148 to save memory.
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	149 /!\ most of methods return a Deferred
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	150 """
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	151 # TODO: missing methods should be implemented using database access
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	152 # TODO: a cache would be useful (which is deleted after a timeout)
587 952322b1d490 Remove trailing whitespaces. Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> parents: 585 diff changeset	153
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	154 def load(self):
2182 087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	155 # we show a warning as calling load on LazyPersistentBinaryDict sounds like a code mistake
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	156 log.warning(_(u"Calling load on LazyPersistentBinaryDict while it's not needed"))
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	157
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	158 def iteritems(self):
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	159 raise NotImplementedError
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	160
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	161 def items(self):
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	162 return self.storage.getPrivates(self.namespace, binary=self.binary, profile=self.profile)
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	163
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	164 def __repr__(self):
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	165 raise NotImplementedError
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	166
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	167 def __str__(self):
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	168 return "LazyPersistentBinaryDict (namespace: {})".format(self.namespace)
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	169
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	170 def __lt__(self, other):
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	171 raise NotImplementedError
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	172
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	173 def __le__(self, other):
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	174 raise NotImplementedError
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	175
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	176 def __eq__(self, other):
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	177 raise NotImplementedError
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	178
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	179 def __ne__(self, other):
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	180 raise NotImplementedError
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	181
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	182 def __gt__(self, other):
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	183 raise NotImplementedError
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	184
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	185 def __ge__(self, other):
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	186 raise NotImplementedError
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	187
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	188 def __cmp__(self, other):
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	189 raise NotImplementedError
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	190
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	191 def __hash__(self):
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	192 return hash(unicode(self.__class__) + self.namespace + (self.profile or u''))
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	193
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	194 def __nonzero__(self):
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	195 raise NotImplementedError
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	196
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	197 def __contains__(self, key):
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	198 raise NotImplementedError
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	199
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	200 def __iter__(self):
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	201 raise NotImplementedError
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	202
2644 e107089d6640 core (memory/persistent): better default value handling in LazyPersistentBinaryDict (don't jump to debugger in debug mode if value is not found) Goffi <goffi@goffi.org> parents: 2562 diff changeset	203 def _data2value(self, data, key):
e107089d6640 core (memory/persistent): better default value handling in LazyPersistentBinaryDict (don't jump to debugger in debug mode if value is not found) Goffi <goffi@goffi.org> parents: 2562 diff changeset	204 try:
e107089d6640 core (memory/persistent): better default value handling in LazyPersistentBinaryDict (don't jump to debugger in debug mode if value is not found) Goffi <goffi@goffi.org> parents: 2562 diff changeset	205 return data[key]
e107089d6640 core (memory/persistent): better default value handling in LazyPersistentBinaryDict (don't jump to debugger in debug mode if value is not found) Goffi <goffi@goffi.org> parents: 2562 diff changeset	206 except KeyError as e:
e107089d6640 core (memory/persistent): better default value handling in LazyPersistentBinaryDict (don't jump to debugger in debug mode if value is not found) Goffi <goffi@goffi.org> parents: 2562 diff changeset	207 # we return a Failure here to avoid the jump
e107089d6640 core (memory/persistent): better default value handling in LazyPersistentBinaryDict (don't jump to debugger in debug mode if value is not found) Goffi <goffi@goffi.org> parents: 2562 diff changeset	208 # into debugger in debug mode.
e107089d6640 core (memory/persistent): better default value handling in LazyPersistentBinaryDict (don't jump to debugger in debug mode if value is not found) Goffi <goffi@goffi.org> parents: 2562 diff changeset	209 raise failure.Failure(e)
e107089d6640 core (memory/persistent): better default value handling in LazyPersistentBinaryDict (don't jump to debugger in debug mode if value is not found) Goffi <goffi@goffi.org> parents: 2562 diff changeset	210
2182 087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	211 def __getitem__(self, key):
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	212 """get the value as a Deferred"""
2644 e107089d6640 core (memory/persistent): better default value handling in LazyPersistentBinaryDict (don't jump to debugger in debug mode if value is not found) Goffi <goffi@goffi.org> parents: 2562 diff changeset	213 d = self.storage.getPrivates(self.namespace, keys=[key], binary=self.binary,
e107089d6640 core (memory/persistent): better default value handling in LazyPersistentBinaryDict (don't jump to debugger in debug mode if value is not found) Goffi <goffi@goffi.org> parents: 2562 diff changeset	214 profile=self.profile)
e107089d6640 core (memory/persistent): better default value handling in LazyPersistentBinaryDict (don't jump to debugger in debug mode if value is not found) Goffi <goffi@goffi.org> parents: 2562 diff changeset	215 d.addCallback(self._data2value, key)
2209 ea41cf1e6d29 memory (persistent, sqlite): fixed getPrivates bug with keys arguments and its use in LazyPersistentBinaryDict Goffi <goffi@goffi.org> parents: 2182 diff changeset	216 return d
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	217
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	218 def __setitem__(self, key, value):
2644 e107089d6640 core (memory/persistent): better default value handling in LazyPersistentBinaryDict (don't jump to debugger in debug mode if value is not found) Goffi <goffi@goffi.org> parents: 2562 diff changeset	219 self.storage.setPrivateValue(self.namespace, key, value, self.binary,
e107089d6640 core (memory/persistent): better default value handling in LazyPersistentBinaryDict (don't jump to debugger in debug mode if value is not found) Goffi <goffi@goffi.org> parents: 2562 diff changeset	220 self.profile)
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	221
31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	222 def __delitem__(self, key):
2302 f824b6026b73 core (memory/persistent): fixed calls to delPrivateValue Goffi <goffi@goffi.org> parents: 2209 diff changeset	223 self.storage.delPrivateValue(self.namespace, key, self.binary, self.profile)
2182 087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	224
2644 e107089d6640 core (memory/persistent): better default value handling in LazyPersistentBinaryDict (don't jump to debugger in debug mode if value is not found) Goffi <goffi@goffi.org> parents: 2562 diff changeset	225 def _defaultOrException(self, failure_, default):
e107089d6640 core (memory/persistent): better default value handling in LazyPersistentBinaryDict (don't jump to debugger in debug mode if value is not found) Goffi <goffi@goffi.org> parents: 2562 diff changeset	226 failure_.trap(KeyError)
e107089d6640 core (memory/persistent): better default value handling in LazyPersistentBinaryDict (don't jump to debugger in debug mode if value is not found) Goffi <goffi@goffi.org> parents: 2562 diff changeset	227 return default
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	228
2182 087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	229 def get(self, key, default=None):
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	230 d = self.__getitem__(key)
2644 e107089d6640 core (memory/persistent): better default value handling in LazyPersistentBinaryDict (don't jump to debugger in debug mode if value is not found) Goffi <goffi@goffi.org> parents: 2562 diff changeset	231 d.addErrback(self._defaultOrException, default=default)
2182 087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	232 return d
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	233
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	234 def setdefault(self, key, default):
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	235 raise NotImplementedError
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	236
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	237 def force(self, name, value):
432 31e8c48b5f5d core: - memory refactoring (moved memory.py and sqlite.py from tools to memory) Goffi <goffi@goffi.org> parents: diff changeset	238 """Force saving of an attribute to storage
2182 087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	239
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	240 @param value(object): value is needed for LazyPersistentBinaryDict
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	241 @return: deferred fired when data is actually saved
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	242 """
087eec4c6c07 memory (persistent, sqlite): better private values handling + new LazyPersistentBinaryDict: Goffi <goffi@goffi.org> parents: 1934 diff changeset	243 return self.storage.setPrivateValue(self.namespace, name, value, self.binary, self.profile)

Mercurial > libervia-backend

annotate sat/memory/persistent.py @ 2644:e107089d6640