Introduce tox-travis

.travis.yml

@@ -1,9 +1,12 @@
 language: python
 python:
+  - 2.7
+  - 3.3
+  - 3.4
   - 3.5
 install:
   - pip install -U pip setuptools wheel
-  - pip install 'tox>=2.0.0,<3.0.0'
+  - pip install 'tox>=2.0.0,<3.0.0' 'tox-travis>=0.8,<1.0'
 script:
   - tox
 env:

tox.ini

@@ -2,6 +2,13 @@
 envlist = {py27,py33,py34,pypy,pypy3}-django18, {py27,py34,py35,pypy}-django{19,110}, coverage, docs, flake8, mypy
 ; https://docs.djangoproject.com/en/dev/faq/install/#what-python-version-can-i-use-with-django
 
+[travis]
+python =
+    2.7: py27-django{18,19,110}, coverage, docs, flake8
+    3.3: py33-django18
+    3.4: py34-django{19,110}
+    3.5: py35-django{19,110}, coverage, docs, flake8, mypy
+
 [testenv]
 deps =
     django18: Django>=1.8,<1.9
@@ -13,7 +20,6 @@ commands =
 passenv = CHANNELS_* TRAVIS TRAVIS_BRANCH TRAVIS_JOB_ID
 
 [testenv:coverage]
-basepython = python2.7
 deps =
     coveralls
     coverage
@@ -25,19 +31,16 @@ commands =
     coveralls
 
 [testenv:docs]
-basepython = python2.7
 changedir = docs
 commands =
     pip install -e ..[docs]
     make html
 
 [testenv:flake8]
-basepython = python2.7
 deps = flake8
 commands = flake8 channels/
 
 [testenv:mypy]
-basepython = python3.5
 deps = mypy-lang
 commands =
     mypy --py2 --silent-imports -m channels