Try to test against Python 3.5

.travis.yml

@@ -10,6 +10,7 @@ env:
   - TOXENV=py32
   - TOXENV=py33
   - TOXENV=py34
+  - TOXENV=py35
   - TOXENV=pypy
   - TOXENV=py27 VENDOR=no
   - TOXENV=py34 VENDOR=no

.travis/install.sh

@@ -7,3 +7,9 @@ git config --global user.name "pip"
 
 pip install --upgrade setuptools
 pip install coverage diff_cover tox
+
+# If we're running under Python 3.5, then we need to actually go and install
+# Python 3.5.
+if [[ $TOXENV = "py35" ]]; then
+    sudo python-build 3.5-dev /opt/python/3.5-dev
+fi

.travis/run.sh

@@ -2,6 +2,13 @@
 set -e
 set -x
 
+# If we're running under Python 3.5 make sure our Python 3.5 bin directory is
+# added to the $PATH
+if [[ $TOXENV = "py35" ]]; then
+    export PATH="/opt/python/3.5-dev/bin:$PATH"
+    export TOXARGS="--assert=plain"
+fi
+
 # We want to create the virtual environment here, but not actually run anything
 tox --notest
 
@@ -32,14 +39,14 @@ if [[ $VENDOR = "no" ]]; then
 fi
 
 # Run the unit tests
-tox -- -m unit --cov pip/ --cov-report xml
+tox -- -m unit --cov pip/ --cov-report xml $TOXARGS
 
 # Run our integration tests
 # Note: There is an issue with Python 3.2 where concurrent imports will corrupt
 #       the generated .pyc files and we'll get very strange errors. However as
 #       long as we continue to run the unit tests first and in a seperate step
 #       then this should work fine.
-tox -- -m integration -n 8
+tox -- -m integration -n 8 $TOXARGS
 
 if [[ $TRAVIS_PULL_REQUEST != "false" ]]
 then

tests/functional/test_install_upgrade.py

@@ -343,6 +343,10 @@ class TestUpgradeDistributeToSetuptools(object):
             expect_stderr=True,
         )
 
+    @pytest.mark.skipif(
+        sys.version_info >= (3, 5),
+        reason="distribute doesn't work on Python 3.5",
+    )
     def test_from_distribute_6_to_setuptools_7(
             self, script, data, virtualenv):
         self.prep_ve(

tox.ini

@@ -1,5 +1,6 @@
 [tox]
-envlist = docs, packaging, pep8, py3pep8, py26, py27, py32, py33, py34, pypy
+envlist =
+    docs, packaging, pep8, py3pep8, py26, py27, py32, py33, py34, py35, pypy
 
 [testenv]
 setenv =