Mercurial > kallithea
view rhodecode/model/__init__.py @ 3420:a6bef3e8a361 beta
Update changeset cache should use non-cache version of repo if given attribute is empty, it's easier to controll how changesets are udpated
The quick update logic in base controller get's cached version and updates, while any other call will use non-cached version
author | Marcin Kuzminski <marcin@python-works.com> |
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date | Fri, 01 Mar 2013 17:56:31 +0100 |
parents | 12fce5e499d5 |
children | 1f7b8c73c94a dc4644865e8b |
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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 from rhodecode.lib.utils2 import safe_str, obfuscate_url_pw 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 """ engine_str = obfuscate_url_pw(str(engine.url)) log.info("initializing db for %s" % engine_str) 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 """ cls = None # override in child class 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 safe_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) def _get_user(self, user): """ Helper method to get user by ID, or username fallback :param user: :type user: UserID, username, or User instance """ from rhodecode.model.db import User return self._get_instance(User, user, callback=User.get_by_username) def _get_repo(self, repository): """ Helper method to get repository by ID, or repository name :param repository: :type repository: RepoID, repository name or Repository Instance """ from rhodecode.model.db import Repository return self._get_instance(Repository, repository, callback=Repository.get_by_repo_name) def _get_perm(self, permission): """ Helper method to get permission by ID, or permission name :param permission: :type permission: PermissionID, permission_name or Permission instance """ from rhodecode.model.db import Permission return self._get_instance(Permission, permission, callback=Permission.get_by_key) def get_all(self): """ Returns all instances of what is defined in `cls` class variable """ return self.cls.getAll()