def get_cursor(cls, cursor_type=_CursorType.PLAIN) -> Cursor:
        """
        Yields:
            new client-side cursor from existing db connection pool
        """
        _cur = None
        if cls._use_pool:
            _connection_source = yield from cls.get_pool()
        else:
            _connection_source = yield from aiopg.connect(echo=False, **cls._connection_params)

        if cursor_type == _CursorType.PLAIN:
            _cur = yield from _connection_source.cursor()
        if cursor_type == _CursorType.NAMEDTUPLE:
            _cur = yield from _connection_source.cursor(cursor_factory=psycopg2.extras.NamedTupleCursor)
        if cursor_type == _CursorType.DICT:
            _cur = yield from _connection_source.cursor(cursor_factory=psycopg2.extras.DictCursor)

        if not cls._use_pool:
            _cur = cursor_context_manager(_connection_source, _cur)

        return _cur
def get_cursor(cls, cursor_type=_CursorType.PLAIN) -> Cursor:
        """
        Yields:
            new client-side cursor from existing db connection pool
        """
        _cur = None
        if cls._use_pool:
            _connection_source = yield from cls.get_pool()
        else:
            _connection_source = yield from aiopg.connect(echo=False, **cls._connection_params)

        if cursor_type == _CursorType.PLAIN:
            _cur = yield from _connection_source.cursor()
        if cursor_type == _CursorType.NAMEDTUPLE:
            _cur = yield from _connection_source.cursor(cursor_factory=psycopg2.extras.NamedTupleCursor)
        if cursor_type == _CursorType.DICT:
            _cur = yield from _connection_source.cursor(cursor_factory=psycopg2.extras.DictCursor)

        if not cls._use_pool:
            _cur = cursor_context_manager(_connection_source, _cur)

        return _cur
def get_cursor ( cls , cursor_type = _CursorType . PLAIN ) -> Cursor : _cur = None if cls . _use_pool : _connection_source = yield from cls . get_pool ( ) else : _connection_source = yield from aiopg . connect ( echo = False , * * cls . _connection_params ) if cursor_type == _CursorType . PLAIN : _cur = yield from _connection_source . cursor ( ) if cursor_type == _CursorType . NAMEDTUPLE : _cur = yield from _connection_source . cursor ( cursor_factory = psycopg2 . extras . NamedTupleCursor ) if cursor_type == _CursorType . DICT : _cur = yield from _connection_source . cursor ( cursor_factory = psycopg2 . extras . DictCursor ) if not cls . _use_pool : _cur = cursor_context_manager ( _connection_source , _cur ) return _cur
Yields:
            new client-side cursor from existing db connection pool
Yields : new client - side cursor from existing db connection pool