On Sun, Aug 2, 2009 at 4:17 PM, Jacob Rus <jacobo...@gmail.com> wrote:
> Robert Lehmann wrote: > > Jacob Rus wrote: > >> Here is a somewhat more substantively changed version. This one does > >> away with the 'inited' flag and the 'init' function, which might be > >> impossible given that their documented (though I would be extremely > >> surprised if anyone calls them in third-party code) > > [snip] > > > > There seem to be quite a bunch of high-profile third-party modules > > relying on this interface, eg. Zope, Plone, TurboGears, and CherryPy. See > > http://www.google.com/codesearch?q=mimetypes.init+lang%3Apython for a > > more thorough listing. > > > > Given that most of them aren't ported to Python 3 yet, I guess, changing > > the semantics in 3.x seems not-too-bad to me. > No, it's bad. If I may quote Guido: http://www.artima.com/weblogs/viewpost.jsp?thread=227041 So, once more for emphasis: *Don't change your APIs at the same time as > porting to Py3k!* > Please follow this policy as much as possible in the standard library; the language transition is going to be hard enough. Put a different way: please don't change the library unless you're *also*going to write a 2to3 fixer that somehow updates all calling code, too. Ooh, okay. Well I guess we can’t get rid of those then! > Indeed not.
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