bignose+hates-spam at benfinney
Jul 4, 2008, 4:51 AM
Post #2 of 2
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Re: Naming conventions for regular variables
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mk <mrkafk [at] gmail> writes:
> http://www.python.org/dev/peps/pep-0008/
>
> "Function Names
>
> Function names should be lowercase, with words separated by
> underscores as necessary to improve readability."
>
> However, this PEP does not recommend any particular style for naming
> regular (local) variables.
Yes, it does: "Method Names and Instance Variables" applies. Any
object that isn't a class is an "instance", to be named according to
that section.
> Personally I like "mixedCase"
Nothing in PEP 8 allows mixedCase (except for the rare degenerate case
where you're constrained to closely follow an existing naming
convention). It's always TitleCase or lowercase, with or without
underscores.
> Naming both functions and variables using "lowercase with underscore
> separator between words for readability" leads to confusing function
> names with variable names - and distinguishing between variables and
> function names just by looking at them would be nice.
Functions are first-class objects in Python, and many non-function
objects are callable. So, such an arbitrary distinction wouldn't be
helpful.
It's more sensible to distinguish by *usage*: is it being called or
not?
> Recommendations?
Follow PEP 8, including the avoidance of mixedCase.
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Ben Finney
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