On Fri, May 8, 2009 at 10:50 AM, Christopher Lee <l...@chem.ucla.edu> wrote:
> > > On May 8, 2009, at 10:26 AM, Jenny Qing Qian wrote: > > > > > > > On Fri, May 8, 2009 at 2:20 AM, Christopher Lee <l...@chem.ucla.edu> > > wrote: > > > > Hi Jenny, > > dir() support is a separate issue. We could implement __dir__ but > > only Python 2.6 and later supports that. I haven't tried that out > > yet, so I don't even know how well that works... > > > > I have Python 2.6 installed. But would you include changes that are > > not backward compatible? > > Python 2.5 and earlier will just ignore (not use) the __dir__ method. > Other than that, the presence of a __dir__ method will not cause > problems in Python 2.5 and earlier. To me that seems "backwards > compatible", with the caveat that the feature (use of __dir__) is just > missing from Python 2.5 and earlier. We could also supply our own > pygr.dir() function that would use __dir__() if present on an object, > otherwise fall back to regular builtin dir(). I like the option of overwriting the builtin dir() for Python 2.6 or later. Is there a way to implement this without descriptors? A way that is universally supported by any Python version. What's wrong with __getattr__? Jenny > > > -- Chris > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "pygr-dev" group. To post to this group, send email to pygr-dev@googlegroups.com To unsubscribe from this group, send email to pygr-dev+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/pygr-dev?hl=en -~----------~----~----~----~------~----~------~--~---
