Ported pep8radius addition from mycli.

.travis.yml

@@ -8,12 +8,15 @@ python:
 
 install: 
   - pip install . pytest mock codecov==1.5.1 behave pexpect==3.3
+  - pip install git+https://github.com/hayd/pep8radius.git
 
 script:
   - coverage run --source pgcli -m py.test
   - cd tests
   - behave
   - cd ..
+  # check for pep8 errors, only looking at branch vs master. If there are errors, show diff and return an error code.
+  - pep8radius master --docformatter --error-status || ( pep8radius master --docformatter --diff; false )
 
 after_success:
   - coverage combine

DEVELOP.rst

@@ -155,3 +155,18 @@ To see stdout/stderr, use the following command:
 
     $ behave --no-capture
 
+
+PEP8 checks
+-----------
+
+When you submit a PR, the changeset is checked for pep8 compliance using
+`pep8radius <https://github.com/hayd/pep8radius>`_. If you see a build failing because
+of these checks, install pep8radius and apply style fixes:
+
+::
+
+    $ pip install pep8radius
+    $ pep8radius --docformatter --diff # view a diff of proposed fixes
+    $ pep8radius --docformatter --in-place # apply the fixes
+
+Then commit and push the fixes.

changelog.rst

@@ -11,6 +11,10 @@ Bug fixes:
 * Fixed external editor bug (issue #668). (Thanks: `Irina Truong`_).
 * Standardize command line option names. (Thanks: `Russell Davies`_)
 
+Internal changes:
+-----------------
+* Run pep8 checks in travis (Thanks: `Irina Truong`_).
+
 1.5.1
 =====
 

requirements-dev.txt

@@ -3,4 +3,5 @@ mock>=1.0.1
 tox>=1.9.2
 behave>=1.2.4
 pexpect==3.3
-coverage==4.3.4
+coverage==4.3.4
+pep8radius