operator_typechecking.py

#!/usr/bin/env python


from operator import *


class NoType(object):
    """Supports none of the type APIs"""


class MultiType(object):
    """Supports multiple type APIs"""

    def __len__(self):
        return 0

    def __getitem__(self, name):
        return 'mapping'

    def __int__(self):
        return 0

o = NoType()
t = MultiType()

for func in (isMappingType, isNumberType, isSequenceType):
    print '%s(o):' % func.__name__, func(o)
    print '%s(t):' % func.__name__, func(t)