database.py 文件源码

def __init__(self, data_path, models, encoding=None, markdown_config=None):
        """Constructor.

        Args:
            data_path: The full path to where the database files can be found.
            models: Loaded model/field data.
            encoding: The encoding to load files as ('utf-8', etc). If 'None', will
                      default to the system-preferred default encoding
        """
        self.encoding = encoding
        self.tables = dict()
        self.data_path = data_path
        self.models = models
        self.markdown_config = markdown_config
        self.engine = create_engine('sqlite:///:memory:')
        self.Base = declarative_base()
        self.session = sessionmaker(bind=self.engine)()
        set_global('session', self.session)
        self.find_backrefs()
        self.create_db(models)