John Salerno wrote: > After reading the PEP, I'm still not quite sure if there is a > recommended (or widely preferred) method of naming variables. Here are > the relevant bits: > >> Global Variable Names >> >> (Let's hope that these variables are meant for use inside one >> module >> only.) The conventions are about the same as those for functions. >> >> Modules that are designed for use via "from M import *" should >> use the >> __all__ mechanism to prevent exporting globals, or use the the >> older >> convention of prefixing such globals with an underscore (which >> you might >> want to do to indicate these globals are "module non-public"). >> >> Function Names >> >> 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. > >> > >> Method Names and Instance Variables >> >> Use the function naming rules: lowercase with words separated by >> underscores as necessary to improve readability. >> >> Use one leading underscore only for non-public methods and instance >> variables. >> >> To avoid name clashes with subclasses, use two leading >> underscores to >> invoke Python's name mangling rules. >> >> Python mangles these names with the class name: if class Foo has an >> attribute named __a, it cannot be accessed by Foo.__a. (An >> insistent >> user could still gain access by calling Foo._Foo__a.) >> Generally, double >> leading underscores should be used only to avoid name conflicts >> with >> attributes in classes designed to be subclassed. >> >> Note: there is some controversy about the use of __names (see >> below). > > > It refers to instance variables, which I assume includes all variables > that aren't global, and the suggestion is to follow function > conventions, which would be this: > > some_function > > But this seems awkward to me. someFunction seems nicer, but it is > specifically mentioned not to do this for new code. > > So I'm just curious how other people handle the multiword situation. > Underscores, or Pascal case?
SomeClass someFunction some_variable FWIW Duncan -- http://mail.python.org/mailman/listinfo/python-list
