Mercurial > kallithea
view rhodecode/model/__init__.py @ 2312:f6d57d055d1e beta
Improved i18n on changelog and user group administration pages.
author | Vincent Duvert <vincent@duvert.net> |
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date | Sun, 20 May 2012 11:27:10 +0200 |
parents | 50aa7cb78cfe |
children | dc2584ba5fbc d3ac7491a5c8 |
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# -*- coding: utf-8 -*- """ rhodecode.model.__init__ ~~~~~~~~~~~~~~~~~~~~~~~~ The application's model objects :created_on: Nov 25, 2010 :author: marcink :copyright: (C) 2010-2012 Marcin Kuzminski <marcin@python-works.com> :license: GPLv3, see COPYING for more details. :example: .. code-block:: python from paste.deploy import appconfig from pylons import config from sqlalchemy import engine_from_config from rhodecode.config.environment import load_environment conf = appconfig('config:development.ini', relative_to = './../../') load_environment(conf.global_conf, conf.local_conf) engine = engine_from_config(config, 'sqlalchemy.') init_model(engine) # RUN YOUR CODE HERE """ # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. import logging from rhodecode.model import meta log = logging.getLogger(__name__) def init_model(engine): """ Initializes db session, bind the engine with the metadata, Call this before using any of the tables or classes in the model, preferably once in application start :param engine: engine to bind to """ log.info("initializing db for %s" % engine) meta.Base.metadata.bind = engine class BaseModel(object): """ Base Model for all RhodeCode models, it adds sql alchemy session into instance of model :param sa: If passed it reuses this session instead of creating a new one """ def __init__(self, sa=None): if sa is not None: self.sa = sa else: self.sa = meta.Session def _get_instance(self, cls, instance, callback=None): """ Get's instance of given cls using some simple lookup mechanism. :param cls: class to fetch :param instance: int or Instance :param callback: callback to call if all lookups failed """ if isinstance(instance, cls): return instance elif isinstance(instance, (int, long)) or str(instance).isdigit(): return cls.get(instance) else: if instance: if callback is None: raise Exception( 'given object must be int, long or Instance of %s ' 'got %s, no callback provided' % (cls, type(instance)) ) else: return callback(instance)