Add pylint to Travis build.

.pylintrc

@@ -0,0 +1,63 @@
+[MASTER]
+profile=no
+persistent=yes
+cache-size=500
+
+[MESSAGES CONTROL]
+# I0011 Warning locally suppressed using disable-msg
+# I0012 Warning locally suppressed using disable-msg
+# W0142 Used * or * magic* Used when a function or method is called using *args or **kwargs to dispatch arguments.
+# C0111 Missing docstring
+disable=I0011,I0012,W0142,C0111
+
+[REPORTS]
+msg-template={path}:{line}: [{msg_id}({symbol}), {obj}] {msg}
+symbols=yes
+files-output=n
+reports=no
+
+[BASIC]
+no-docstring-rgx=__.*__|_.*|Test.*|test.*|.*Test|.*Tests|tests
+class-rgx=[A-Z_][a-zA-Z0-9_]+$
+function-rgx=[a-zA_][a-zA-Z0-9_]{2,70}$
+method-rgx=[a-z_][a-zA-Z0-9_]{2,70}$
+const-rgx=(([A-Z_][A-Z0-9_]*)|([a-z_][a-z0-9_]*)|(__.*__)|register|urlpatterns)$
+good-names=_,__,i,j,n,pk,id,setUp,tearDown,qs,fn
+
+[TYPECHECK]
+
+# Tells whether missing members accessed in mixin class should be ignored. A
+# mixin class is detected if its name ends with "mixin" (case insensitive).
+ignore-mixin-members=yes
+
+# List of classes names for which member attributes should not be checked
+# (useful for classes with attributes dynamically set).
+ignored-classes=SQLObject,WSGIRequest
+
+# When zope mode is activated, add a predefined set of Zope acquired attributes
+# to generated-members.
+zope=no
+
+# List of members which are set dynamically and missed by pylint inference
+# system, and so shouldn't trigger E0201 when accessed.
+generated-members=client,objects,DoesNotExist,id,pk,_meta,base_fields,context,__subclasses__,modifiers,Modifiers,refs,.*_set
+
+# List of method names used to declare (i.e. assign) instance attributes
+defining-attr-methods=__init__,__new__,setUp
+
+
+[VARIABLES]
+init-import=no
+dummy-variables-rgx=_|dummy
+
+[SIMILARITIES]
+min-similarity-lines=6
+ignore-comments=yes
+ignore-docstrings=yes
+
+[MISCELLANEOUS]
+notes=FIXME,XXX
+
+[FORMAT]
+max-module-lines=500
+indent-string='    '

.travis.yml

@@ -4,4 +4,5 @@ python:
  - "2.7"
 script:
  - pep8 sphinx_git.py tests/
+ - pylint --rcfile=.pylintrc sphinx_git.py
  - nosetests

requirements.txt

@@ -2,6 +2,7 @@ BeautifulSoup
 mock
 nose
 pep8
+pylint
 unittest2
 
 -e .