util.py 文件源码

def __init__(self, value):
        """
        Initializer value can be:

            - integer_type: absolute nanoseconds in the day
            - datetime.time: built-in time
            - string_type: a string time of the form "HH:MM:SS[.mmmuuunnn]"
        """
        if isinstance(value, six.integer_types):
            self._from_timestamp(value)
        elif isinstance(value, datetime.time):
            self._from_time(value)
        elif isinstance(value, six.string_types):
            self._from_timestring(value)
        else:
            raise TypeError('Time arguments must be a whole number, datetime.time, or string')