[Python-Dev] [Python-checkins] r43033 - in python/trunk/Lib: distutils/sysconfig.py encodings/__init__.py

Guido van Rossum guido at python.org
Wed Mar 15 19:33:14 CET 2006


Well, absolute imports without the future statement will not use the
5th argument, so they won't break, right? That's what MAL also says.
Someone please fix this.

On 3/15/06, Thomas Wouters <thomas at python.org> wrote:
>
>
> On 3/15/06, guido.van.rossum <python-checkins at python.org> wrote:
> >
> > Use relative imports in a few places where I noticed the need.
> > (Ideally, all packages in Python 2.5 will use the relative import
> > syntax for all their relative import needs.)
>
>
> You should be aware that using relative imports (or absolute imports) in the
> standard library may cause custom __import__'s that don't take the optional
> fifth argument to break, whereas using 'old-style' imports does not. I don't
> know how common custom __import__ hooks are, and adding the optional fifth
> argument is backwardly compatible, but I would personally not add absolute
> or relative imports to the oft-used parts of the stdlib until after 2.5.
>
> On the other hand, code using sys.path_hooks (like zipimport) don't need any
> tweaking, as the absolute/relative choice is made before they are queried,
> so I don't know howmuch impact this has, all in all.
>
> --
> Thomas Wouters <thomas at python.org>
>
> Hi! I'm a .signature virus! copy me into your .signature file to help me
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--
--Guido van Rossum (home page: http://www.python.org/~guido/)


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