core, setup: huge cleaning:
- moved directories from src and frontends/src to sat and sat_frontends, which is the recommanded naming convention - move twisted directory to root - removed all hacks from setup.py, and added missing dependencies, it is now clean - use https URL for website in setup.py - removed "Environment :: X11 Applications :: GTK", as wix is deprecated and removed - renamed sat.sh to sat and fixed its installation - added python_requires to specify Python version needed - replaced glib2reactor which use deprecated code by gtk3reactor sat can now be installed directly from virtualenv without using --system-site-packages anymore \o/
This commit is contained in:
Goffi
parent
4afd2ff26f
commit
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1 changed files with 42 additions and 269 deletions
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#!/usr/bin/env python2
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# -*- coding: utf-8 -*-
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# SAT: a jabber client
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# Copyright (C) 2009-2018 Jérôme Poisson (goffi@goffi.org)
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from sat.core.i18n import _
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from sat.core.log import getLogger
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log = getLogger(__name__)
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class MemoryNotInitializedError(Exception):
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pass
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class PersistentDict(object):
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r"""A dictionary which save persistently each value assigned
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/!\ be careful, each assignment means a database write
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/!\ Memory must be initialised before loading/setting value with instances of this class"""
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storage = None
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binary = False
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def __init__(self, namespace, profile=None):
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"""
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@param namespace: unique namespace for this dictionary
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@param profile(unicode, None): profile which *MUST* exists, or None for general values
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"""
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if not self.storage:
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log.error(_("PersistentDict can't be used before memory initialisation"))
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raise MemoryNotInitializedError
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self._cache = None
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self.namespace = namespace
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self.profile = profile
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def _setCache(self, data):
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self._cache = data
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def load(self):
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"""Load persistent data from storage.
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need to be called before any other operation
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@return: defers the PersistentDict instance itself
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"""
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d = self.storage.getPrivates(self.namespace, binary=self.binary, profile=self.profile)
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d.addCallback(self._setCache)
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d.addCallback(lambda dummy: self)
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return d
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def iteritems(self):
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return self._cache.iteritems()
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def items(self):
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return self._cache.items()
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def __repr__(self):
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return self._cache.__repr__()
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def __str__(self):
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return self._cache.__str__()
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def __lt__(self, other):
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return self._cache.__lt__(other)
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def __le__(self, other):
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return self._cache.__le__(other)
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def __eq__(self, other):
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return self._cache.__eq__(other)
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def __ne__(self, other):
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return self._cache.__ne__(other)
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def __gt__(self, other):
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return self._cache.__gt__(other)
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def __ge__(self, other):
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return self._cache.__ge__(other)
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def __cmp__(self, other):
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return self._cache.__cmp__(other)
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def __hash__(self):
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return self._cache.__hash__()
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def __nonzero__(self):
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return self._cache.__len__()
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def __contains__(self, key):
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return self._cache.__contains__(key)
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def __iter__(self):
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return self._cache.__iter__()
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def __getitem__(self, key):
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return self._cache.__getitem__(key)
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def __setitem__(self, key, value):
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self.storage.setPrivateValue(self.namespace, key, value, self.binary, self.profile)
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return self._cache.__setitem__(key, value)
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def __delitem__(self, key):
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self.storage.delPrivateValue(self.namespace, key, self.binary, self.profile)
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return self._cache.__delitem__(key)
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def get(self, key, default=None):
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return self._cache.get(key, default)
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def setdefault(self, key, default):
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try:
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return self._cache[key]
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except:
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self.__setitem__(key, default)
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return default
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def force(self, name):
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"""Force saving of an attribute to storage
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@return: deferred fired when data is actually saved
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"""
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return self.storage.setPrivateValue(self.namespace, name, self._cache[name], self.binary, self.profile)
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class PersistentBinaryDict(PersistentDict):
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"""Persistent dict where value can be any python data (instead of string only)"""
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binary = True
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class LazyPersistentBinaryDict(PersistentBinaryDict):
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ur"""PersistentBinaryDict which get key/value when needed
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This Persistent need more database access, it is suitable for largest data,
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to save memory.
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/!\ most of methods return a Deferred
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"""
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# TODO: missing methods should be implemented using database access
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# TODO: a cache would be useful (which is deleted after a timeout)
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def load(self):
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# we show a warning as calling load on LazyPersistentBinaryDict sounds like a code mistake
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log.warning(_(u"Calling load on LazyPersistentBinaryDict while it's not needed"))
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def iteritems(self):
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raise NotImplementedError
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def items(self):
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return self.storage.getPrivates(self.namespace, binary=self.binary, profile=self.profile)
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def __repr__(self):
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raise NotImplementedError
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def __str__(self):
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return "LazyPersistentBinaryDict (namespace: {})".format(self.namespace)
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def __lt__(self, other):
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raise NotImplementedError
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def __le__(self, other):
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raise NotImplementedError
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def __eq__(self, other):
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raise NotImplementedError
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def __ne__(self, other):
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raise NotImplementedError
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def __gt__(self, other):
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raise NotImplementedError
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def __ge__(self, other):
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raise NotImplementedError
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def __cmp__(self, other):
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raise NotImplementedError
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def __hash__(self):
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return hash(unicode(self.__class__) + self.namespace + (self.profile or u''))
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def __nonzero__(self):
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raise NotImplementedError
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def __contains__(self, key):
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raise NotImplementedError
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def __iter__(self):
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raise NotImplementedError
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def __getitem__(self, key):
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"""get the value as a Deferred"""
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d = self.storage.getPrivates(self.namespace, keys=[key], binary=self.binary, profile=self.profile)
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d.addCallback(lambda data: data[key])
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return d
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def __setitem__(self, key, value):
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self.storage.setPrivateValue(self.namespace, key, value, self.binary, self.profile)
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def __delitem__(self, key):
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self.storage.delPrivateValue(self.namespace, key, self.binary, self.profile)
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def _valueOrDefault(self, value, default):
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if value is None:
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return default
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return value
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def get(self, key, default=None):
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d = self.__getitem__(key)
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d.addCallback(self._valueOrDefault)
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return d
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def setdefault(self, key, default):
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raise NotImplementedError
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def force(self, name, value):
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"""Force saving of an attribute to storage
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@param value(object): value is needed for LazyPersistentBinaryDict
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@return: deferred fired when data is actually saved
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"""
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return self.storage.setPrivateValue(self.namespace, name, value, self.binary, self.profile)
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