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I am maintaining a Python program, and am struggling to understand the relationships between the various classes. I think it would be helpful to see a diagram of how the classes interact.
What options are there available that might allow me to do this?
Just my 2 cents.
Case tools like Enterprise Architect can generate class diagrams from python code, however for the purpose of understanding I prefer to coarsely model the classes and relationships by hand.
I too use UML when I want to understand new code, to get a coarse overview of the collaborations between classes, and to get a view of inheritance heirachies.
Most IDEs have means to explore the code, but I find small cohesive UML diagrams easier to digest and memorize.
I also find domain models easier to understand when on a class diagram.