[Python-Dev] draft PEP: virtual environments

[Carl Meyer]

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On 10/30/2011 04:47 PM, Vinay Sajip wrote:
> Antoine Pitrou <solipsis <at> pitrou.net> writes:
>> It would be even simpler not to process it at all, but install the
>> scripts as-is (without the execute bit) :)
> Sure, but such an approach makes it difficult to provide a mechanism which is
> easily extensible; for example, with the current approach, it is straightforward
> for third party tools to either easily replace completely, update selectively or
> augment simply the scripts provided by base classes.

I don't understand this point either. It seems to me too that having the
scripts installed as plain data files inside a package is just as easy
or easier for third-party tools to work with flexibly in all of the ways
you mention, compared to having them available in any kind of zipped format.

The current os.name-based directory structure can still be used, and we
can still provide the helper to take such a directory structure and
install the appropriate scripts based on os.name.

I don't see any advantage to zipping. If done at install-time (which is
necessary to make the scripts maintainable in the source tree) it also
has the downside of introducing another difficulty in supporting source
builds equivalently to installed builds.

Carl
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