keep/module_functools/functools_partialmethod.py at master · tinylambda/keep

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import functools

def standalone(self, a=1, b=2):

"""Standalone function"""

print("called standalone with: ", (self, a, b))

if self is not None:

print("self.attr = ", self.attr)

class MyClass:

"""Demonstration class for functools"""

def __init__(self):

self.attr = "instance attribute"

method1 = functools.partialmethod(standalone)

method2 = functools.partial(standalone)

o = MyClass()

print("standalone")

standalone(None)

print()

print("method1 as partialmethod")

o.method1()

print()

print("method2 as partial")

try:

o.method2()

except TypeError as err:

print("ERROR: {}".format(err))