A Revised Rational Proposal

Steven Bethard steven.bethard at gmail.com
Sun Dec 26 18:55:34 CET 2004


Dan Bishop wrote:
> Mike Meyer wrote:
>>
>>PEP: XXX
> 
> I'll be the first to volunteer an implementation.

Very cool.  Thanks for the quick work!

For stdlib acceptance, I'd suggest a few cosmetic changes:

Use PEP 257[1] docstring conventions, e.g. triple-quoted strings.

Use PEP 8[2] naming conventions, e.g. name functions from_exact_float, 
approx_smallest_denominator, etc.

The decimal and math modules should probably be imported as _decimal and 
_math.  This will keep them from showing up in the module namespace in 
editors like PythonWin.

I would be inclined to name the instance variables _n and _d instead of 
the double-underscore versions.  There was a thread a few months back 
about avoiding overuse of __x name-mangling, but I can't find it.  It 
also might be nice for subclasses of Rational to be able to easily 
access _n and _d.

Thanks again for your work!

Steve

[1] http://www.python.org/peps/pep-0257.html
[2] http://www.python.org/peps/pep-0008.html



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