tox: Rework warning infrastructure

Python 3.5's xmlrpc spews lots of ResourceWarnings that go
away in 3.6, so silence them.

We also see some warnings from inside the import machinery,
which we also silence.

Signed-off-by: Stephen Finucane <stephen@that.guru>
[dja: make slightly more restrictive, reword commit message]
Signed-off-by: Daniel Axtens <dja@axtens.net>

diff --git a/tox.ini b/tox.ini
index 4eef4c447bef422297d8dce1348824478b5f4749..3684d716657c08fde9c7c23efa5cc290c407e1cc 100644 (file)
--- a/tox.ini
+++ b/tox.ini
@@ -16,12 +16,16 @@ setenv =
     DJANGO_SETTINGS_MODULE = patchwork.settings.dev
     PYTHONDONTWRITEBYTECODE = 1
     DJANGO_LIVE_TEST_SERVER_ADDRESS = localhost:9000-9200
+    py27: PYTHONWARNINGS = once
+    py{34,36}:PYTHONWARNINGS = once,ignore::ImportWarning:backports
+    py35:PYTHONWARNINGS = once,ignore::ResourceWarning:unittest.suite,ignore::ImportWarning:backports
+
 passenv =
     http_proxy HTTP_PROXY https_proxy HTTPS_PROXY no_proxy NO_PROXY
     PW_TEST_DB_TYPE PW_TEST_DB_USER PW_TEST_DB_PASS PW_TEST_DB_HOST
     PW_TEST_DB_PORT
 commands =
-    python -Wonce {toxinidir}/manage.py test --noinput '{posargs:patchwork}'
+    python {toxinidir}/manage.py test --noinput '{posargs:patchwork}'
 
 [testenv:bashate]
 deps = bashate>=0.5,<0.6