# (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

    """

    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

            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):

            yield dbgr

class ScmModel(BaseModel):

    """

    Generic Scm Model

    """

    def __get_repo(self, instance):

        cls = Repository

        if isinstance(instance, cls):

            return instance

            return cls.get(instance)

        elif isinstance(instance, basestring):

            return cls.get_by_repo_name(instance)

        elif instance:

            raise Exception('given object must be int, basestr or Instance'

                            ' of %s got %s' % (type(cls), type(instance)))

    @LazyProperty

    def repos_path(self):

        """

        Get's the repositories root path from database

        """

                        log.debug('got %s it is rhodecode' % (ver))

                        _rhodecode_hook = True

                    except:

                        log.error(traceback.format_exc())

        if _rhodecode_hook or force_create:

            log.debug('writing hook file !')

            with open(_hook_file, 'wb') as f:

                tmpl = tmpl.replace('_TMPL_', rhodecode.__version__)

                f.write(tmpl)

            os.chmod(_hook_file, 0755)

        else: