Query interpreter to determine correct virtualenv
paths
#2188
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Summary
This PR migrates our virtualenv creation from a setup that assumes prior knowledge of the correct paths, to a technique borrowed from
virtualenv
whereby we usesysconfig
anddistutils
to determine the paths. The general trick is to grab the expected paths withsysconfig
, then make them all relative, then make them absolute for a given directory.Closes #2095.
Closes #2153.