Don't use/poison global wheel cache when building w/ PURE_PYTHON.

zopefoundation · Apr 14, 2016 · c1623a6 · c1623a6
1 parent d219fc9
commit c1623a6
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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