def serialize_number(x, fmt=SER_BINARY, outlen=None):
    """ Serializes `x' to a string of length `outlen' in format `fmt' """
    ret = b''
    if fmt == SER_BINARY:
        while x:
            x, r = divmod(x, 256)
            ret = six.int2byte(int(r)) + ret
        if outlen is not None:
            assert len(ret) <= outlen
            ret = ret.rjust(outlen, b'\0')
        return ret
    assert fmt == SER_COMPACT
    while x:
        x, r = divmod(x, len(COMPACT_DIGITS))
        ret = COMPACT_DIGITS[r:r + 1] + ret
    if outlen is not None:
        assert len(ret) <= outlen
        ret = ret.rjust(outlen, COMPACT_DIGITS[0:1])
    return ret
def serialize_number ( x , fmt = SER_BINARY , outlen = None ) : ret = b'' if fmt == SER_BINARY : while x : x , r = divmod ( x , 256 ) ret = six . int2byte ( int ( r ) ) + ret if outlen is not None : assert len ( ret ) <= outlen ret = ret . rjust ( outlen , b'\0' ) return ret assert fmt == SER_COMPACT while x : x , r = divmod ( x , len ( COMPACT_DIGITS ) ) ret = COMPACT_DIGITS [ r : r + 1 ] + ret if outlen is not None : assert len ( ret ) <= outlen ret = ret . rjust ( outlen , COMPACT_DIGITS [ 0 : 1 ] ) return ret
Serializes `x' to a string of length `outlen' in format `fmt'