Updated tox and travis files

Author: Bernardo-MG

.travis.yml

@@ -4,26 +4,20 @@
 # Using Python for the project
 language: python
 python:
-  # Python 2.6 is obsolete
-  #- "2.6"
-  # Python 2.7 is set to test the docs in the configuration matrix
-  #- "2.7"
-  # Python 3.2 is obsolete
-  #- "3.2"
-  - "3.3"
+  - "2.7"
   - "3.4"
-  # Python 3.5 is set to test and deploy the docs, and to run the coverage report, in the configuration matrix
-  #- "3.5"
+  - "3.5"
+  # Python 3.6 is set to test and deploy the docs in the configuration matrix
+  #- "3.6"
   - "pypy"
   - "pypy3"
+env:
+  - TEST_DOCS=true
 matrix:
   include:
-    # Tests docs
-    - python: "2.7"
-      env: TEST_DOCS=true
     # Tests and deploys docs, also runs coverage report
-    - python: "3.5"
-      env: COVERAGE=true TEST_DOCS=true DEPLOY_DOCS=true
+    - python: "3.6"
+      env: TEST_DOCS=true DEPLOY_DOCS=true
 addons:
   apt:
     packages:
@@ -36,7 +30,6 @@ before_install:
   - chmod -R +x ~/.scripts/*
   # Prepares CI environment
   - source ~/.scripts/travis/load-travis-environment.sh
-  - source ~/.scripts/travis/load-travis-environment-python.sh
 install:
   # tox is required for the tests
   - pip install tox
@@ -45,14 +38,8 @@ install:
   # Dependencies
   - pip install --upgrade -r requirements.txt
 script:
-  # Code is checked
-  - ~/.scripts/python/run_tests.sh true check
-  # Tests are run
-  - ~/.scripts/python/run_tests.sh true $PYTHON_VERSION_TEST
   # Documentation tests are run
   - ~/.scripts/python/run_tests.sh $DO_TEST_DOCS docs
-  # Documentation tests are run
-  - ~/.scripts/python/run_tests.sh $DO_COVERAGE coverage
 after_success:
   # Documentation deployment
   - ~/.scripts/sphinx/build-html.sh $DO_DEPLOY_DOCS docs

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    py{27,33,34,35},
+    py{27,34,35,36},
     pypy{,3},
     check,
     docs,
@@ -9,13 +9,15 @@ skip_missing_interpreters =
     true
 
 [testenv]
+# Default environment
 deps =
     -r{toxinidir}/requirements.txt
     nose
 commands =
     nosetests
 
 [testenv:coverage]
+# Generates coverage report
 passenv = TRAVIS TRAVIS_JOB_ID TRAVIS_BRANCH
 deps =
     -r{toxinidir}/requirements.txt
@@ -27,6 +29,7 @@ commands =
     coveralls
 
 [testenv:check]
+# Checks code rules
 deps =
     -r{toxinidir}/requirements.txt
     docutils
@@ -39,6 +42,7 @@ commands =
     flake8 dice_notation
 
 [testenv:docs]
+# Validates the project docs
 changedir =
     docs/source
 deps =