Add tox configuration to enable PEP-8 checks, and fix various failures

- E126 continuation line over-indented for hanging indent
- E127 continuation line over-indented for visual indent
- E128 continuation line under-indented for visual indent
- E131 continuation line unaligned for hanging indent
- E265 block comment should start with '# '
- E272 multiple spaces before keyword
- E302 expected 2 blank lines, found <n>
- E712 comparison to False should be 'if cond is False:' or 'if not cond:'
- F401 '<name>' imported but unused

Change-Id: I2344cf2e8fd7910e72e9d8043423d25e43065ef2

.gitignore

@@ -1,3 +1,4 @@
 *.pyc
 .DS_Store
 bootstrap.py
+.tox

lodgeit/__init__.py

@@ -8,4 +8,3 @@
     :copyright: 2007 by Armin Ronacher.
     :license: BSD
 """
-from lodgeit.application import make_app

lodgeit/controllers/__init__.py

@@ -9,6 +9,7 @@
     :license: BSD
 """
 
+
 def get_controller(name):
     cname, hname = name.split('/')
     module = __import__('lodgeit.controllers.' + cname, None, None, [''])

lodgeit/controllers/pastes.py

@@ -23,7 +23,7 @@ from lodgeit.lib.captcha import check_hashed_solution, Captcha
 class PasteController(object):
     """Provides all the handler callback for paste related stuff."""
 
-    #XXX:dc: using language here clashes with internationalization terms
+    # XXX:dc: using language here clashes with internationalization terms
     def new_paste(self, language=None):
         """The 'create a new paste' view."""
         language = local.request.args.get('language', language)
@@ -155,7 +155,7 @@ class PasteController(object):
         style_name = local.request.form.get('style')
         resp = redirect(local.request.headers.get('referer') or
                         url_for('pastes/new_paste'))
-        #XXX:dc: use some sort of form element validation instead
+        # XXX:dc: use some sort of form element validation instead
         if style_name in STYLES:
             resp.set_cookie('style', style_name)
         return resp

lodgeit/lib/filterable.py

@@ -1,4 +1,4 @@
-#-*- coding: utf-8 -*-
+# -*- coding: utf-8 -*-
 """
     lodgeit.libs.filterable
     ~~~~~~~~~~~~~~~~~~~~~~~

lodgeit/lib/highlighting.py

@@ -167,11 +167,12 @@ def highlight_multifile(code):
         start, filename, lang = last
         section_code = _escaped_marker.sub('', code[start:pos])
         if section_code:
+            if filename:
+                filename_html = u'<p class="filename">%s</p>' % escape(filename)
+            else:
+                filename_html = u''
             result.append(u'<div class="section">%s%s</div>' % (
-                filename and u'<p class="filename">%s</p>'
-                    % escape(filename) or u'',
-                highlight(section_code, lang)
-            ))
+                filename_html, highlight(section_code, lang)))
 
     for match in _section_marker_re.finditer(code):
         start = match.start()

lodgeit/lib/json.py

@@ -37,7 +37,7 @@ class JSONRequestHandler(object):
                     kwargs = {}
                 else:
                     raise TypeError('arguments as object or list expected')
-            #XXX:dc: use flatland to validate these args before passing onward
+            # XXX:dc: use flatland to validate these args before passing onward
             response = {
                 'data':     self.funcs[method_name](*args, **kwargs),
                 'error':    None

lodgeit/lib/webapi.py

@@ -32,6 +32,8 @@ def exported(name, hidden=False):
 
 
 _public_methods = None
+
+
 def get_public_methods():
     """Returns the public methods."""
     global _public_methods

lodgeit/models.py

@@ -43,7 +43,7 @@ class Paste(db.Model):
             language = 'text'
         self.code = u'\n'.join(code.splitlines())
         self.language = language
-        #XXX:dc: set these a bit more sanely, allowing two types is bad
+        # XXX:dc: set these a bit more sanely, allowing two types is bad
         if parent_id:
             self.parent_id = parent_id
         self.pub_date = datetime.now()
@@ -90,12 +90,12 @@ class Paste(db.Model):
         """Get the new replies for the ower of a request and flag them
         as handled.
         """
-        #XXX:dc:clean this query up to just return the ids
+        # XXX:dc:clean this query up to just return the ids
         ids = [x.paste_id for x in Paste.query.filter_by(
                user_hash=local.request.user_hash).all()]
         paste_list = Paste.query.filter(db.and_(
             Paste.parent_id.in_(ids),
-            Paste.handled == False,
+            Paste.handled is False,
         )).order_by(Paste.paste_id.desc()).all()
         for paste in paste_list:
             paste.handled = True

lodgeit/utils.py

@@ -85,7 +85,6 @@ class Request(RequestBase):
         lang = session.get('locale')
         if lang is None:
             lang = 'en'
-            #lang = (self.accept_languages.best or 'en').split('-')[0]
         self.locale = Locale.parse(lang)
 
     def set_language(self, lang):

test-requirements.txt

@@ -0,0 +1,2 @@
+flake8
+

tests/alfajor.ini

@@ -5,5 +5,5 @@ default+apiclient=wsgi
 wsgi=wsgi
 
 [default+apiclient.wsgi]
-server-entry-point = tests.utilities:foo
+server-entry-point = tests.utilities.runner:foo
 base_url = http://www.localhost:5001

tests/utilities/__init__.py

@@ -1 +0,0 @@
-from .runner import foo

tox.ini

@@ -0,0 +1,16 @@
+[tox]
+minversion = 1.6
+envlist = pep8
+skipsdist = True
+
+[testenv]
+setenv = VIRTUAL_ENV={envdir}
+deps = -r{toxinidir}/test-requirements.txt
+
+[testenv:pep8]
+commands = flake8
+
+[flake8]
+show-source = true
+max-line-length = 80
+exclude = ENV,.venv,.git,.tox,dist,doc,*openstack/common*,*lib/python*,*egg,build,tools