diff --git a/rhodecode/model/__init__.py b/rhodecode/model/__init__.py
--- a/rhodecode/model/__init__.py
+++ b/rhodecode/model/__init__.py
@@ -1,23 +1,71 @@
-"""The application's model objects"""
+# -*- coding: utf-8 -*-
+"""
+    rhodecode.model.__init__
+    ~~~~~~~~~~~~~~~~~~~~~~~~
+    
+    The application's model objects
+    
+    :created_on: Nov 25, 2010
+    :author: marcink
+    :copyright: (C) 2009-2010 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; version 2
+# of the License or (at your opinion) any later version of the license.
+# 
+# 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, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
+# MA  02110-1301, USA.
+
 import logging
 from rhodecode.model import meta
 log = logging.getLogger(__name__)
 
 def init_model(engine):
-    """Call me before using any of the tables or classes in the model"""
-    log.info("INITIALIZING DB MODELS")
+    """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 models for %s", engine)
     meta.Base.metadata.bind = engine
-    #meta.Base2.metadata.bind = engine2
 
-#THIS IS A TEST FOR EXECUTING SCRIPT AND LOAD PYLONS APPLICATION GLOBALS
-#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)
-# DO SOMETHING
+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()