- rewritten Travis config

.travis.yml

@@ -1,11 +1,38 @@
 language: python
-sudo: false
-python:
-    - 2.7
+
+matrix:
+    include:
+        - python: "3.6"
+          env: TOXENV=lint
+        - python: "3.6"
+          env: TOXENV=coverage
+          after_success:
+              - coverage combine
+              - coveralls
+        - python: "2.7"
+          env: TOXENV=py27
+        - python: "3.5"
+          env: TOXENV=py35
+        - python: "3.6"
+          env: TOXENV=py36
+        - python: "3.7"
+          env: TOXENV=py37
+          dist: xenial
+        - python: "3.8-dev"
+          env: TOXENV=py38
+          dist: xenial
+
 install:
-    - python bootstrap.py
-    - bin/buildout
+    - travis_retry pip install -U pip setuptools
+    - travis_retry pip install -U tox coveralls coverage
+
 script:
-    - bin/test -v1
+    - travis_retry tox
+
 notifications:
     email: false
+
+cache:
+  pip: true
+  directories:
+    - eggs/