Add Travis CI build configuration with Coveralls invocation; add READ…

…ME badges.

.travis.yml

@@ -0,0 +1,20 @@
+notifications:
+  email:
+    on_success: never
+    on_failure: always
+language: python
+python:
+  - "3.7"
+  - "3.8"
+cache: pip
+install:
+  - pip install -r docs/requirements.txt
+  - pip install pylint
+  - pip install coveralls
+  - pip install .
+script:
+  - cd docs && sphinx-apidoc -f -E --templatedir=_templates -o _source .. ../setup.py && make html && cd ..
+  - pylint datatask
+  - nosetests
+after_success:
+  - coveralls

README.rst

@@ -4,7 +4,7 @@ datatask
 
 General-purpose data structure and representation format for tasks (stand-alone or part of a larger data workflow) that involve multiple data resources.
 
-|pypi| |readthedocs|
+|pypi| |readthedocs| |travis| |coveralls|
 
 .. |pypi| image:: https://badge.fury.io/py/datatask.svg
    :target: https://badge.fury.io/py/datatask
@@ -14,6 +14,14 @@ General-purpose data structure and representation format for tasks (stand-alone
    :target: https://datatask.readthedocs.io/en/latest/?badge=latest
    :alt: Read the Docs documentation status.
 
+.. |travis| image:: https://app.travis-ci.com/nthparty/datatask.svg?branch=main
+   :target: https://app.travis-ci.com/nthparty/datatask
+   :alt: Travis CI build status.
+
+.. |coveralls| image:: https://coveralls.io/repos/github/nthparty/datatask/badge.svg?branch=main
+   :target: https://coveralls.io/github/nthparty/datatask?branch=main
+   :alt: Coveralls test coverage summary.
+
 Package Installation and Usage
 ------------------------------
 The package is available on `PyPI <https://pypi.org/project/datatask/>`_::
@@ -42,7 +50,7 @@ All unit tests are executed and their coverage is measured when using `nose <htt
     python -m pip install nose coverage
     nosetests --cover-erase
 
-Some unit tests are included in the module itself and can be executed using `doctest <https://docs.python.org/3/library/doctest.html>`_::
+Alternatively, all unit tests are included in the module itself and can be executed using `doctest <https://docs.python.org/3/library/doctest.html>`_::
 
     python datatask/datatask.py -v