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

Thomas Wouters thomas at python.org
Wed Mar 15 19:14:47 CET 2006 
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>

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