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annotate rhodecode/model/__init__.py @ 1217:a3b2b4b4e440

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fixes for issue #149
author Marcin Kuzminski <marcin@python-works.com>
date Tue, 05 Apr 2011 18:04:06 +0200
parents bb35ad076e2f
children bf263968da47
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1 # -*- coding: utf-8 -*-
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2 """
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3 rhodecode.model.__init__
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4 ~~~~~~~~~~~~~~~~~~~~~~~~
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5
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6 The application's model objects
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7
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8 :created_on: Nov 25, 2010
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9 :author: marcink
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10 :copyright: (C) 2009-2010 Marcin Kuzminski <marcin@python-works.com>
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11 :license: GPLv3, see COPYING for more details.
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12
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13
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14 :example:
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15
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16 .. code-block:: python
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17
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18 from paste.deploy import appconfig
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19 from pylons import config
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20 from sqlalchemy import engine_from_config
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21 from rhodecode.config.environment import load_environment
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22
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23 conf = appconfig('config:development.ini', relative_to = './../../')
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24 load_environment(conf.global_conf, conf.local_conf)
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25
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26 engine = engine_from_config(config, 'sqlalchemy.')
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27 init_model(engine)
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28 # RUN YOUR CODE HERE
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29
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30 """
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31 # This program is free software: you can redistribute it and/or modify
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32 # it under the terms of the GNU General Public License as published by
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33 # the Free Software Foundation, either version 3 of the License, or
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34 # (at your option) any later version.
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35 #
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36 # This program is distributed in the hope that it will be useful,
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37 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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38 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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39 # GNU General Public License for more details.
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40 #
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41 # You should have received a copy of the GNU General Public License
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42 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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43
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44 import logging
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45 from rhodecode.model import meta
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46 log = logging.getLogger(__name__)
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47
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48 def init_model(engine):
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49 """Initializes db session, bind the engine with the metadata,
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50 Call this before using any of the tables or classes in the model, preferably
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51 once in application start
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52
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53 :param engine: engine to bind to
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54 """
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55 log.info("initializing db models for %s", engine)
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56 meta.Base.metadata.bind = engine
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57
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58 class BaseModel(object):
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59 """Base Model for all RhodeCode models, it adds sql alchemy session
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60 into instance of model
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61
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62 :param sa: If passed it reuses this session instead of creating a new one
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63 """
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64
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65 def __init__(self, sa=None):
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66 if sa is not None:
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67 self.sa = sa
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68 else:
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69 self.sa = meta.Session()