__init__.py 文件源码

def includeme(config):
    """
    Initialize the model for a Pyramid app.

    Activate this setup using ``config.include('pylistener.models')``.

    """
    settings = config.get_settings()

    # use pyramid_tm to hook the transaction lifecycle to the request
    config.include('pyramid_tm')

    session_factory = get_session_factory(get_engine(settings))
    config.registry['dbsession_factory'] = session_factory

    # make request.dbsession available for use in Pyramid
    config.add_request_method(
        # r.tm is the transaction manager used by pyramid_tm
        lambda r: get_tm_session(session_factory, r.tm),
        'dbsession',
        reify=True
    )