filter.py 文件源码

def _parse_x_y(_x, _y):
    try:
        x = Decimal(_x)
        y = Decimal(_y)
    except (InvalidOperation, TypeError, ValueError):
        try:
            x = cast_date(_x)['date']
            y = cast_date(_y)['date']
        except (ValueError, KeyError, IndexError, TypeError):
            x, y = _x, _y

    return x, y