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Code: Alles auswählen

class Foo(object):
    pass

def Foo_bar(self):
    return 1
    
def add_functions_to_classes_as_in_Cpp():
    names_and_values = globals().items()
    classes = dict((n, v) for n, v in names_and_values if isinstance(v, type))
    function = type(add_functions_to_classes_as_in_Cpp)
    for n, v in names_and_values:
        if isinstance(v, function):
            cls_and_n = n.split("_", 1)
            if len(cls_and_n) == 2 and cls_and_n[0] in classes:
                setattr(classes[cls_and_n[0]], cls_and_n[1], v)

add_functions_to_classes_as_in_Cpp()

print Foo().bar()

Code: Alles auswählen

# -*- coding: utf-8 -*-
class cpp(object):
    def __init__(self, cls):
        self.cls = cls

    def __call__(self, function):
        setattr(self.cls, function.__name__, function)

class Spam(object):
    pass


@cpp(Spam)
def eggs(self, x):
    print x

#oder
spam = cpp(Spam)

@spam
def foo(self, x):
    print x**2

Spam().eggs(1)
Spam().foo(2)