#14243: Try not to pick up user versions of things like numpy, mpl
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Reporter: kcrisman | Owner:
Type: defect | GeorgSWeber
Priority: critical | Status: closed
Component: build | Milestone: sage-6.4
Keywords: | Resolution: fixed
Authors: John Palmieri | Merged in:
Report Upstream: N/A | Reviewers: Buck Evan
Branch: | Work issues:
e35ebe9bb554e4f00bcd0c4eabe91cb196997a1a | Commit:
Dependencies: | Stopgaps:
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Comment (by vbraun):
There are two different use cases:
* A private build of Sage (everything user-writable) should not conflict
with another private numpy installation. You can use pip just fine without
the `--user` option. Then `PYTHONNOUSERSITE=yes` is the way to achieve
that.
* A system-wide build of Sage (nothing user-writable, so just `pip install
foo` cannot work) should work with `pip --user`. This is the SMC problem.
Really this is a special case of distinguishing a build-from-source and a
binary install. Sage traditionally pretends that there is no difference,
but there is.
--
Ticket URL: <http://trac.sagemath.org/ticket/14243#comment:15>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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