109 lines
3.6 KiB
Python
109 lines
3.6 KiB
Python
# -*- coding: utf-8 -*-
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##############################################################################
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#
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# OpenERP, Open Source Management Solution
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# Copyright (C) 2004-2009 Tiny SPRL (<http://tiny.be>).
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#
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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
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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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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#
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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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#
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##############################################################################
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""" Model registries manager.
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The manager is responsible for creation and deletion of bound model
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registries (essentially database connection/model registry pairs).
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"""
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import openerp.sql_db
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class BoundRegistry(object):
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""" Model registry/database connection pair."""
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def __init__(self, db, registry):
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self.db = db
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self.registry = registry
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class RegistryManager(object):
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# TODO maybe should receive the addons paths
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def __init__(self):
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# Mapping between db name and bound model registry.
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# Accessed through the methods below.
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self.bound_registries = {}
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def get(self, db_name, force_demo=False, status=None, update_module=False,
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pooljobs=True):
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""" Return a bound registry for a given database name."""
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if db_name in self.bound_registries:
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bound_registry = self.bound_registries[db_name]
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else:
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bound_registry = self.new(db_name, force_demo, status,
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update_module, pooljobs)
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return bound_registry
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def new(self, db_name, force_demo=False, status=None,
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update_module=False, pooljobs=True):
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""" Create and return a new bound registry for a given database name.
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The (possibly) previous bound registry for that database name is
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discarded.
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"""
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import openerp.modules
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import openerp.osv.osv as osv_osv
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db = openerp.sql_db.db_connect(db_name)
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pool = osv_osv.osv_pool()
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# Initializing a registry will call general code which will in turn
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# call registries.get (this object) to obtain the registry being
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# initialized. Make it available in the bound_registries dictionary
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# then remove it if an exception is raised.
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self.delete(db_name)
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bound_registry = BoundRegistry(db, pool)
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self.bound_registries[db_name] = bound_registry
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try:
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# This should be a method on BoundRegistry
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openerp.modules.load_modules(db, force_demo, status, update_module)
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except Exception:
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del self.bound_registries[db_name]
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raise
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cr = db.cursor()
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try:
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pool.init_set(cr, False)
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pool.get('ir.actions.report.xml').register_all(cr)
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cr.commit()
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finally:
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cr.close()
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if pooljobs:
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pool.get('ir.cron').restart(db.dbname)
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return bound_registry
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def delete(self, db_name):
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if db_name in self.bound_registries:
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del self.bound_registries[db_name]
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# vim:expandtab:smartindent:tabstop=4:softtabstop=4:shiftwidth=4:
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