How Can I overide a function in an existing class

[Peter Hansen]

Eddie wrote:

> I have changed the BaseHTTPServer.py file to do what I want and
> included it in the directory with my service. This works, but there
> has to be a better way.
> 
> Is there some other way to override the function?

Often I've found it possible and relatively "clean" to write
code that modifies the class involved dynamically, often
just wrapping the existing method in another one that does
what I want (or undoes it, perhaps), or just by sticking
in a replacement.

Trivialized example that I hope gives you the idea:

# file BaseHTTPServer.py
class SomeClass:
    def someMethod(self):
        log_message(somemsg)  # undesirable call
        # other stuff that is good


# in your own file

import BaseHTTPServer
def replacementMethod(self):
     # only the good stuff

BaseHTTPServer.SomeClass.someMethod = replacementMethod

# followed by the rest of your existing code that
# actually instantiates a SomeClass, even if indirectly

Any help?

-Peter