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My personal frustration with Python's coding standards is the combination of PascalCaseNames and snake_case_names. Rust has adopted the same coding style. :(

Plenty of C++ code uses UPPERCASE_SNAKE_CASE_NAMES for macros, but that doesn't seem so bad because macros are ugly and should be used less frequently than classes and functions. (I hope!)

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Curious, why's that bother you? Different things should look different, and all. :) The alternative for class names is Camel_Snake, which will get you smacked in virtually any language.

Python code does tend to use UPPERCASE_SNAKE for "constants" as well, probably inherited from C (sometimes via Perl or Ruby).

Mixing the styles just feels inconsistent. The only language I know where Camel_Snake is used is Ada.

What happens when you want to write a set of functions to handle a set of classes? Especially when you are given a class and want to figure out which handler to call dynamically - eg you have FooEvent, should the function be "handle_foo_event", "handle_FooEvent", "HandleFooEvent", or any of several other possibilities?

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