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ability to reuse some systemwide packages (while ignoring all others) #246

gliptak opened this Issue Mar 28, 2012 · 2 comments


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gliptak commented Mar 28, 2012

Being able to reuse some "heavy" systemwide packages (like ipython, numpy, etc.) would improve the speed of creating environment and decrease environment size.

Using custom bootstrap as suggested at:


doesn't remove the need for download and longish compile ...


carljm commented Mar 28, 2012

Thanks for the report. This is a good idea, and has been raised before, but the implementation is non-trivial and no-one has ever supplied one.

Although it is related to virtualenv, it would actually need to be a pip feature, as pip deals with packages. It is tracked at pypa/pip#300

@carljm carljm closed this Mar 28, 2012

gliptak commented Mar 31, 2012

Thanks. I subscribed to the pip issue as per above.

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