Python book section "Functions Style Notes" written without awareness of PEP 8?

[Alex Huth]

I came across this page via Google:

http://www.itmaybeahack.com/homepage/books/nonprog/html/p06_functions/p06_c02_features.html#functions-style-notes

And found a similar page (different edition?) at this URL:

http://www.itmaybeahack.com/book/programming-2.6/html/p06_functions/p06_c02_features.html#functions-style-notes

PEP 8 is widely considered the definitive style guide for Python, so I'm curious as to why it's never mentioned in this section. There is a small discrepancy with regard to the use of mixedCase:

Function names are typically lower_case_with_underscores() or mixedCase(). A few important functions were once done in CapWords() style with a leading upper case letter. This can cause confusion with class names, consequently, the recommended style is a leading lowercase letter for function names.

Versus PEP 8:

Function names should be lowercase, with words separated by underscores as necessary to improve readability.
mixedCase is allowed only in contexts where that's already the prevailing style (e.g. threading.py), to retain backwards compatibility.

http://legacy.python.org/dev/peps/pep-0008/#function-names

Best,

Alex

[Alex Huth]

I should add, it's clear the author is generally aware of PEP 8 (example 1, example 2). I would edit the title of this thread to change "written without awareness of" to "written without reference to" if I could figure out how.

[Steven F. Lott]

Widely considered. May be true. Definitive is debatable. 

Universally followed -- even in the standard library -- is false. 

It's good to read critically. If you want to survey the standard library for level of compliance, that might be helpful. 

Sent from my iPhone

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