A quick look at these two files and the code tells me that they are basically a list of docstrings found in pymacs.el and python-mode.el . This means that you can access the relevant documentation through Mx apropos or Ch a and friends (in particular, look for ^py or ^pymacs to get a list of mode functions).
Generally, since elisp does not support namespaces, all functions / variables defined by this mode will have a consistent prefix associated with the mode name. This makes a fairly simple search in the Emacs documentation.
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