Python's equivalent for Ruby's define_method?

Question

Is there a Python equivalent for Ruby\'s define_method, which would allow dynamic generation of class methods? (as can be seen in Wikipedia\'s Ruby example code

Answer 1

You just assign a function as a new attribute to a class:

 def replacement_method(self):
     print self.name


 class Foo(object):
     def __init__(self, name):
         self.name = name
     # .... whatever

 setattr(Foo, "printMyName", replacement_method) # assign it
 Foo("Joe").printMyName() # call it

If you don't need a computable name (as are strings in the sample from Wikipedia), you can have it even cleaner:

 Foo.printMyName = replacement_method