Is there a way to override functions with static scope within an object module? If I start with something like this, a module with global symbol "foo" is a function that calls local symbol "bar,"...

I'd like to interpose between class methods to dynamically extends an object. I already know about the java.lang.reflect.Proxy stuff, but it's way too limited to do real interposing. From Using ...

Using function interposition for open() with Python doesn't seem to work after the first few calls. I suspect Python is doing some kind of initialization, or something is temporarily bypassing my f...