[Python-Dev] Relative vs. absolute imports
M.-A. Lemburg
mal at egenix.com
Mon May 17 10:55:30 EDT 2004
Phillip J. Eby wrote:
> At 03:42 PM 5/17/04 +0200, M.-A. Lemburg wrote:
>
>> I have a few questions about the PEP 328 which I'd like discussed:
>>
>> * Why do we absolutely need to change the current scheme
>> of 'local, then absolute' for name resolution ?
>
> Because there's no way to override the current scheme without calling
> __import__ directly.
Are you saying that you are not going to change the default __import__()
implementation, only the way it is called ? (I wonder how you'll
enforce the 'absolute only' strategy then)
>> * How will the proposed 'absolute only' strategy affect
>> the __import__() API ?
>
> It doesn't change the API, only what arguments it gets called with.
> Passing a different globals dictionary is all that's required to effect
> an absolute import.
>
>> * Will the DeprecationWarning only be raised for uses of
>> 'import xyz' and 'from xyz import a' or also for __import__() ?
>
> It should not be for __import__().
>
>
>> * How do these semantics changes affect importers that hook
>> into __import__ ? (imputil.py, ihooks.py, etc.)
>>
>> * What's the affect on zip imports or tools like py2exe,
>> McMillan's installer, etc. ?
>
>
> Again, since the __import__ API isn't changing, it shouldn't affect any
> of this.
--
Marc-Andre Lemburg
eGenix.com
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