139 lines
4.8 KiB
Python
139 lines
4.8 KiB
Python
# -*- coding: utf-8 -*-
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"default plugin for setting: set it in a simple dictionary"
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# Copyright (C) 2014-2019 Team tiramisu (see AUTHORS for all contributors)
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#
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# This program is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published by the
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# Free Software Foundation, either version 3 of the License, or (at your
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# option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# ____________________________________________________________
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from ..util import Cache
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from .util import SqlAlchemyBase
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import util
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from sqlalchemy import Column, Integer, String, PickleType, ForeignKey
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from sqlalchemy.orm import relationship
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from sqlalchemy.ext.associationproxy import association_proxy
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from sqlalchemy.orm.collections import attribute_mapped_collection
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#____________________________________________________________
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#
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# properties|permissives
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class _Property(SqlAlchemyBase):
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__tablename__ = 'property'
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id = Column(Integer, primary_key=True)
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setting = Column(Integer, ForeignKey('settings.id'), nullable=False)
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path = Column(String)
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properties = Column(PickleType)
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def __init__(self, path, properties):
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self.path = path
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self.properties = properties
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class _Permissive (SqlAlchemyBase):
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__tablename__ = 'permissive'
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id = Column(Integer, primary_key=True)
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setting = Column(Integer, ForeignKey('settings.id'), nullable=False)
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path = Column(String)
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permissives = Column(PickleType)
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def __init__(self, path, permissives):
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self.path = path
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self.permissives = permissives
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#____________________________________________________________
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#FIXME marche pas le cache ... de toute facon je vais faire un storage separe !
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class Settings(Cache, SqlAlchemyBase):
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__tablename__ = 'settings'
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id = Column(Integer, primary_key=True)
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session_id = Column(String, index=True)
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_props = relationship("_Property",
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collection_class=attribute_mapped_collection('path'),
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cascade="all, delete-orphan")
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_properties = association_proxy("_props", "properties")
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_perms = relationship("_Permissive",
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collection_class=attribute_mapped_collection('path'),
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cascade="all, delete-orphan")
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_permissives = association_proxy("_perms", "permissives")
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def __init__(self, session_id, storage):
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session = self.getsession()
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self.session_id = session_id
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super(Settings, self).__init__(storage)
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session.commit()
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def getsession(self):
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return util.Session()
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# properties
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def setproperties(self, path, properties):
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session = self.getsession()
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self._properties[path] = properties
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session.commit()
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del(session)
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def getproperties(self, path, default_properties):
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ret = self._properties.get(path)
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if ret is None:
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return set(default_properties)
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return ret
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def hasproperties(self, path):
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return path in self._properties
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def reset_all_properties(self):
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session = self.getsession()
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self._properties.clear()
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session.commit()
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del(session)
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def delproperties(self, path):
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try:
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session = self.getsession()
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del(self._properties[path])
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session.commit()
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del(session)
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except KeyError:
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pass
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# permissive
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def setpermissive(self, path, permissive):
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session = self.getsession()
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self._permissives[path] = frozenset(permissive)
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session.commit()
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def getpermissive(self, path=None):
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ret = self._permissives.get(path, frozenset())
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#replace None by a frozenset()
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return {None: frozenset()}.get(ret, ret)
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def exportation(self):
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"""return all modified settings in a dictionary
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example: {'path1': set(['prop1', 'prop2'])}
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"""
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return self._properties
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def importation(self):
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"""return all modified permissives in a dictionary
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example: {'path1': set(['perm1', 'perm2'])}
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"""
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return self._permissives
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def delete_session(session_id, session):
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settings_id = session.query(Settings).filter_by(session_id=session_id).first().id
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for val in session.query(_Property).filter_by(settings=settings_id).all():
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session.delete(val)
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for val in session.query(_Permissive).filter_by(settings=settings_id).all():
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session.delete(val)
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