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implements #135 bookmark support for UI
implements #135 bookmark support for UI

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__init__.py
92 lines | 2.8 KiB | text/x-python | PythonLexer
# -*- coding: utf-8 -*-
"""
rhodecode.model.__init__
~~~~~~~~~~~~~~~~~~~~~~~~
The application's model objects
:created_on: Nov 25, 2010
:author: marcink
:copyright: (C) 2009-2011 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)))