Install tox in a virtualenv

Since TravisCI has an extremely old version of PyPy, we need to use pyenv to install a more recent version. However, pyenv's shims don't persist between the install and script portions of Travis. So we have to use a virtualenv so Travis can find the tox command.
yaml · Nov 23, 2016 · d2f0bc2 · d2f0bc2
1 parent 2414cad
commit d2f0bc2
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diff --git a/.travis.yml b/.travis.yml
@@ -25,4 +25,5 @@ install:
     - ./.travis/install.sh
 
 script:
+  - source ~/.venv/bin/activate
   - tox
diff --git a/.travis/install.sh b/.travis/install.sh
@@ -8,10 +8,10 @@ if [[ "${TOXENV}" = pypy* ]]; then
     pyenv install "pypy-$PYPY_VERSION"
     pyenv global "pypy-$PYPY_VERSION"
 
-    pip install --upgrade tox
-
     pyenv rehash
 fi
 
-
+python -m pip install --upgrade virtualenv
+python -m virtualenv ~/.venv
+source ~/.venv/bin/activate
 pip install --upgrade tox
-Original file line number
+Diff line change
@@ Expand Up / @@ -25,4 +25,5 @@ install: @@
         - ./.travis/install.sh
     script:
+      - source ~/.venv/bin/activate
       - tox