Merge pull request #22 from zopefoundation/avoid-poisoning-wheel-cach…

…e-python-pure Don't use/poison global wheel cache when building w/ PURE_PYTHON.
zopefoundation · Apr 15, 2016 · 602546d · 602546d
2 parents d219fc9 + c1623a6
commit 602546d
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diff --git a/CHANGES.rst b/CHANGES.rst
@@ -4,6 +4,9 @@ Changes
 4.3.0 (unreleased)
 ------------------
 
+- When testing ``PURE_PYTHON`` environments under ``tox``, avoid poisoning
+  the user's global wheel cache.
+
 - Drop support for Python 2.6 and 3.2.
 
 - Add support for Python 3.5.

diff --git a/tox.ini b/tox.ini
@@ -44,18 +44,21 @@ basepython =
     python3.4
 setenv =
     PURE_PYTHON = 1
+    PIP_CACHE_DIR = {envdir}/.cache
 
 [testenv:py35-pure]
 basepython =
     python3.5
 setenv =
     PURE_PYTHON = 1
+    PIP_CACHE_DIR = {envdir}/.cache
 
 [testenv:py27-pure]
 basepython =
     python3.4
 setenv =
     PURE_PYTHON = 1
+    PIP_CACHE_DIR = {envdir}/.cache
 
 [testenv:coverage]
 usedevelop = true