travis experiment #1

.travis.yml

@@ -1,22 +1,37 @@
+os: linux
+dist: xenial
+sudo: true
+
 language: python
+cache: pip
 
 python:
-  # - "3.7"
+  - "3.7"
   - "3.6"
-  # NOTE (mb 2018-09-03): These should be installed via
-  #   a bdist wheel, generated with python3.6.
-  # - "3.5"
-  # - "3.4"
-  # - "2.7"
+  - "3.5"
+  - "3.4"
+  - "2.7"
+
+before_install:
+  - apt-get install -y git mercurial
+  - apt-get install -y python3.7
+  - python3.7 -m pip install lib3to6
+  - python3.7 setup.py bdist_wheel --python-tag=py2.py3
+
 
 install:
-  - pip install rst2html5 flake8 pytest pytest-cov mypy typing-extensions
+  - pip install $(cat requirements-test.txt)
   - pip install .
 
 script:
-  - export PYTHONPATH=src/:$PYTHONPATH
-  - export MYPYPATH=stubs/
   - python -m flake8 src/pycalver/
+
+  - export MYPYPATH=stubs/
   - python -m mypy src/pycalver/
+
+  - export PYTHONPATH=src/:$PYTHONPATH
   - python -m pytest --cov=pycalver test/
+  - codecov
+
   - rst2html5 --strict README.rst > /dev/null
+  - rst2html5 --strict CHANGELOG.rst > /dev/null