only run coveralls once on travis (#24)

* only run coveralls once on travis
* add doc tox env target
* run doc tox env on travis
* install graphviz on travis
* disable unused sphinx option
* reference py3 stdlib

.travis.yml

@@ -12,10 +12,14 @@ matrix:
           env: TOXENV=py35
         - python: 3.6
           env: TOXENV=py36
-        - python: 2.7
-          env: TOXENV=qa
+        - python: 3.5
+          env: TOXENV=qa,doc
+
+addons:
+    apt:
+        packages:
+            - graphviz
 
-install: pip install -U pip tox setuptools coveralls
+install: pip install --upgrade pip tox setuptools coveralls
 script: tox -vv
-after_success:
-  - coveralls
+after_success: if [ "$TOXENV" == "py36" ]; then coveralls; fi

doc/conf.py

@@ -167,7 +167,7 @@
 # Add any paths that contain custom static files (such as style sheets) here,
 # relative to this directory. They are copied after the builtin static files,
 # so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = ['_static']
+# html_static_path = ['_static']
 
 # Add any extra paths that contain custom files (such as robots.txt or
 # .htaccess) here, relative to this directory. These files are copied
@@ -354,7 +354,7 @@
 
 # Configuration for intersphinx.
 intersphinx_mapping = {
-    'python': ('https://docs.python.org/2', None),
+    'python': ('https://docs.python.org/3', None),
     'pillow': ('https://pillow.readthedocs.io/en/latest', None),
     'luma.core': ('https://luma-core.readthedocs.io/en/latest', None)
 }

tox.ini

@@ -2,20 +2,24 @@
 # See LICENSE.rst for details.
 
 [tox]
-envlist = py{27,34,35,36,37},qa
+envlist = py{27,34,35,36,37},qa,doc
 skip_missing_interpreters = True
 
 [testenv]
 commands =
     python setup.py install
     coverage run -m py.test -v -r w -s
     coverage report
-deps =
-    .[test]
+deps = .[test]
 
 [testenv:qa]
 commands =
     flake8
     rstcheck README.rst
-deps =
-    .[qa]
+deps = .[qa]
+
+[testenv:doc]
+commands =
+    sphinx-build -W -b html -d {envtmpdir}/doctrees . {envtmpdir}/html
+changedir = doc
+deps = .[docs]