[Python] How can I tell if a ctypes integer type is big endian?

Consider the following:

le = ctypes.c_uint32.__ctype_le__
be = ctypes.c_uint16.__ctype_be__


How can I write a function is_bigendian(cls) that behaves as you would expect:

>>> is_bigendian(le)
False
>>> is_bigendian(be)
True


Does ctypes expose this information somewhere?

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