Mercurial > kallithea
view rhodecode/model/__init__.py @ 1957:04dd907b2993 beta
changeset: do not mix font sizes/padding of hash vs. date there, looks very distracting
author | Aras Pranckevicius <aras@unity3d.com> |
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date | Fri, 27 Jan 2012 08:11:35 +0200 |
parents | 89efedac4e6c |
children | a76e9bacbedc |
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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): """ Get's instance of given cls using some simple lookup mechanism :param cls: class to fetch :param instance: int or Instance """ if isinstance(instance, cls): return instance elif isinstance(instance, int) or str(instance).isdigit(): return cls.get(instance) else: if instance: raise Exception('given object must be int or Instance' ' of %s got %s' % (type(cls), type(instance)))