> > > On Thu, 2 May 2013 13:15:00 -0700 > > > Eli Bendersky <eli...@gmail.com> wrote: > > > > > Two things that were suggested in private: > > > > > > > > > > 1) ask users to pass the module name to the convenience function > > > > > explicitly (i.e. pass "seasonmodule.Season" instead of "Season" as > the > > > > > class "name"). Guido doesn't like it :-) > > > > > > > > > > 2) dicth the "convenience function" and replace it with a regular > > > > > class-based syntax. Ethan doesn't like it :-) > > > > > > > > > > > > > Re (2), we already have the hack in stdlib in namedtuple, so not > allowing > > > > it for an enum is a step backwards. > > > > > > That's a fallacy. There is no step backwards if you adopt a class-based > > > syntax, which is just as convenient as the proposed "convenience > > > function". I have a hard time understanding that calling a function to > > > declare a class is suddenly considered "convenient". > > > > > > > If > > > > sys._getframe(1).f_globals['__name__'] feels hackish, maybe it can be > > > > shortened to a convenience function the stdlib provides? > > > > > > It's not the notation which is hackish, it's the fact that you are > > > inspecting the frame stack in the hope of getting the right > information. > > > > > > What if someone wants to write another convenience function that wraps > > > your convenience function? What if your code is executing from some > > > kind of step-by-step debugger which inserts an additional frame in the > > > call stack? What if someone wants the enum to be nested inside another > > > class (rather than reside at the module top-level)? > > > > > > > Would nesting the non-convenience Enum in a function or a class allow one > > to pickle it? > > Once PEP 3154 is implemented (Alexandre is on it :-)), nested classes > should be picklable.
Interesting, I did not know that. > As for classes inside functions, it sounds quite > impossible (how do you instantiate the function namespace without > calling the function?). > True. Back to my question from before, though - do we have a real technical limitation of having something like inspect.what_module_am_i_now_in() that's supposed to work for all Python code? Eli
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