Add PyLint, flake8 and pep257 configs to tox and travis

.travis.yml

@@ -4,6 +4,9 @@ install:
 script:
   - tox
 env:
+  - TOXENV=coveralls
+  - TOXENV=pylint
+  - TOXENV=flake8
+  - TOXENV=pep257
   - TOXENV=py26
   - TOXENV=py27
-  - TOXENV=coveralls

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 envlist=
-    dev, coveralls, py26, py27
+    dev, coveralls, pylint, flake8, pep257, py26, py27
 
 [testenv]
 deps=
@@ -27,6 +27,27 @@ commands=
     coverage run --rcfile=./.coveragerc -m unittest2 discover tests []
     coveralls
 
+[pylint]
+basepython=python2.7
+deps=
+    pylint
+commands=
+    pylint -f colorized --rcfile=./.pylintrc objects
+
+[flake8]
+basepython=python2.7
+deps=
+    flake8
+commands=
+    flake8 --max-complexity=8 objects
+
+[pep257]
+basepython=python2.7
+deps=
+    pep257
+commands=
+    pep257 objects
+
 [testenv:py26]
 commands=
     unit2 discover tests []