Only use system Python; CI tests all python versions (#127)

* Only use system python
* Only test on officially supported versions (2.7, 3.5)
* Swap build status badge for py versions badge

.gitlab-ci.yml

@@ -1,27 +1,18 @@
-image: python:2.7
+before_script:
+    - pip install pep8 pyflakes flake8 coverage
 
-stages:
-    - test
-
-Lint:
+Python 2.7:
     stage: test
+    image: python:2.7
     script:
-        - pip install pep8 pyflakes flake8
         - make lint
-
-Test Python 2.7:
-    stage: test
-    script:
         - make test
+        - make coverage
 
-Test Python 3.5:
+Python 3.5:
     stage: test
     image: python:3.5
     script:
-        - make test3.5
-
-Coverage:
-    stage: test
-    script:
-        - pip install coverage
+        - make lint
+        - make test
         - make coverage

.travis.yml

@@ -1,15 +1,12 @@
 language: python
-matrix:
-    include:
-        - python: "2.7"
-          env: TEST_SUITE=
-        - python: "3.5"
-          env: TEST_SUITE=3.5
+python:
+    - "2.7"
+    - "3.5"
 
 install:
     - pip install pep8 pyflakes flake8 coverage
 
 script:
-    - make test$TEST_SUITE VERBOSE=1
     - make lint
+    - make test
     - make coverage

Makefile

@@ -1,4 +1,4 @@
-.PHONY: coverage test test3.5 test_first_fail clean autopep8 lint doc-html
+.PHONY: coverage test test_first_fail clean autopep8 lint doc-html
 
 COV_PROG := $(shell command -v coverage 2> /dev/null)
 PEP8_PROG := $(shell command -v pep8 2> /dev/null)
@@ -17,25 +17,17 @@ OTIO_DEFAULT_MEDIA_LINKER =
 
 test-core:
 	@echo "Running Core tests..."
-	@python2.7 -m unittest discover tests $(TEST_ARGS)
+	@python --version
+	@python -m unittest discover tests $(TEST_ARGS)
 
 test-contrib:
 	@echo "Running Contrib tests..."
+	@python --version
 	@make -C contrib/adapters test VERBOSE=$(VERBOSE)
 
 # run all the unit tests
 test: test-core test-contrib
 
-test3.5-core:
-	@echo "Running Core (python3.5) tests..."
-	@python3.5 -m unittest discover tests $(TEST_ARGS)
-
-test3.5-contrib:
-	@echo "Running Contrib(python3.5) tests..."
-	@make -C contrib/adapters test3.5 VERBOSE=$(VERBOSE)
-
-test3.5: test3.5-core test3.5-contrib
-
 coverage:
 ifndef COV_PROG
 	$(error "coverage is not available please see: "\
@@ -46,7 +38,7 @@ endif
 
 # run all the unit tests, stopping at the first failure
 test_first_fail:
-	@python2.7 -m unittest discover tests --failfast
+	@python -m unittest discover tests --failfast
 
 # remove pyc files
 clean:

README.md

@@ -1,6 +1,8 @@
 OpenTimelineIO
 ==============
 
+![Supported Versions](https://img.shields.io/badge/python-2.7%2C%203.5-blue.svg)
+
 PRE-RELEASE NOTICE
 -----------------
 

contrib/adapters/Makefile

@@ -11,6 +11,3 @@ endif
 
 test:
 	@python -m unittest discover tests $(TEST_ARGS)
-
-test3.5:
-	@python3.5 -m unittest discover tests $(TEST_ARGS)