utils.py 文件源码

def decode_unicode(input):
    """Decode the unicode of the message, and encode it into utf-8."""
    if isinstance(input, dict):
        temp = {}
        # If the input data is a dict, create an equivalent dict with a
        # predictable insertion order to avoid inconsistencies in the
        # message signature computation for equivalent payloads modulo
        # ordering
        for key, value in sorted(six.iteritems(input)):
            temp[decode_unicode(key)] = decode_unicode(value)
        return temp
    elif isinstance(input, (tuple, list)):
        # When doing a pair of JSON encode/decode operations to the tuple,
        # the tuple would become list. So we have to generate the value as
        # list here.
        return [decode_unicode(element) for element in input]
    elif six.PY2 and isinstance(input, six.text_type):
        return input.encode('utf-8')
    elif six.PY3 and isinstance(input, six.binary_type):
        return input.decode('utf-8')
    else:
        return input