serialization.py 文件源码

def encode(obj):
    """Handle packing for custom types."""

    if isinstance(obj, decimal.Decimal):
        return ['type', 'decimal', str(obj).split('.')]
    elif isinstance(obj, datetime.datetime):
        return ['type', 'datetime', utils.date_to_str(obj)]
    elif isinstance(obj, datetime.date):
        return ['type', 'date', obj.strftime('%Y-%m-%d')]
    elif isinstance(obj, time.struct_time):
        return ['type', 'time', time.strftime('%H:%M:%S', obj)]
    elif hasattr(obj, '__serialize__'):
        return obj.__serialize__()

    raise TypeError('{} is not serializable'.format(repr(obj)))