Indentation updates

- No spaces at the beginning and end of a single line comment. (python code does this)
- Double space after a statement in a multi-line comment. (PEP-8)
- Enforce 79 character limit. (PEP-8)
- Empty line after a block ends make code more readable.
- Empty line at the end of a multi line comment. (python code seems to do this)

actions.py

@@ -32,7 +32,8 @@ Actions run commands with this contract (version 1.1):
 
    C. Only one action can be called at a time.
 
-      This prevents us from appending multiple (unexpected) actions to the call.
+      This prevents us from appending multiple (unexpected) actions to the
+      call.
 
       $ action="echo '$options'; echo 'oops'"
       $ options="hi"
@@ -47,12 +48,12 @@ Actions run commands with this contract (version 1.1):
       $ $action # oops, the file system is gone!
 
       Arguments that fail this validation won't, but probably should, raise a
-      ValueError. They don't because sanitizing this case is significantly
+      ValueError.  They don't because sanitizing this case is significantly
       easier than detecting if it occurs.
 
       The options list is coerced into a space-separated string before being
-      shell-escaped. Option lists including shell escape characters may need to
-      be unescaped on the receiving end.
+      shell-escaped.  Option lists including shell escape characters may need
+      to be unescaped on the receiving end.
 
    E. Actions must exist in the actions directory.
 
@@ -86,26 +87,31 @@ LOGGER = logging.getLogger(__name__)
 
 def run(action, options=None, async=False):
     """Safely run a specific action as the current user.
+
     See actions._run for more information.
+
     """
     return _run(action, options, async, False)
 
 
 def superuser_run(action, options=None, async=False):
     """Safely run a specific action as root.
+
     See actions._run for more information.
+
     """
     return _run(action, options, async, True)
 
 
 def _run(action, options=None, async=False, run_as_root=False):
     """Safely run a specific action as a normal user or root.
-    actions are pulled from the actions directory.
+
+    Actions are pulled from the actions directory.
     - options are added to the action command.
     - async: run asynchronously or wait for the command to complete.
     - run_as_root: execute the command through sudo.
-    """
 
+    """
     if options is None:
         options = []
 
@@ -124,7 +130,8 @@ def _run(action, options=None, async=False, run_as_root=False):
 
     cmd = [cmd]
 
-    # contract: 3C, 3D: don't allow users to insert escape characters in options
+    # contract: 3C, 3D: don't allow users to insert escape characters in
+    # options
     if options:
         if not hasattr(options, "__iter__"):
             options = [options]

errors.py

@@ -15,13 +15,16 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 
-""" Plinth project specific errors """
+"""
+Project specific errors
+"""
 
 
 class PlinthError(Exception):
+    """Base class for all Plinth specific errors."""
     pass
 
 
 class ActionError(PlinthError):
-    """ Use this error for exceptions when executing an action """
+    """Use this error for exceptions when executing an action."""
     pass

menu.py

@@ -19,8 +19,8 @@ class Menu(object):
         orders, but feel free to disregard that.  If you need more
         granularity, don't bother renumbering things.  Feel free to
         use fractional orders.
-        """
 
+        """
         self.label = label
         self.icon = icon
         self.url = url
@@ -31,11 +31,12 @@ class Menu(object):
         self.items = []
 
     def get(self, urlname, url_args=None, url_kwargs=None):
-        """Return a menu item with given URL name"""
+        """Return a menu item with given URL name."""
         url = reverse(urlname, args=url_args, kwargs=url_kwargs)
         for item in self.items:
             if item.url == url:
                 return item
+
         raise KeyError('Menu item not found')
 
     def sort_items(self):
@@ -44,14 +45,18 @@ class Menu(object):
 
     def add_urlname(self, label, icon, urlname, order=50, url_args=None,
                     url_kwargs=None):
-        """ Add a named URL to the menu (via add_item)
-        url_args and url_kwargs will be passed on to url reverse """
+        """Add a named URL to the menu (via add_item).
+
+        url_args and url_kwargs will be passed on to Django reverse().
+
+        """
         url = reverse(urlname, args=url_args, kwargs=url_kwargs)
         return self.add_item(label, icon, url, order)
 
     def add_item(self, label, icon, url, order=50):
-        """This method creates a menu item with the parameters, adds
-        that menu item to this menu, and returns the item.
+        """Create a new menu item with given parameters, add it to this menu and
+        return it.
+
         """
         item = Menu(label=label, icon=icon, url=url, order=order)
         self.items.append(item)
@@ -59,7 +64,7 @@ class Menu(object):
         return item
 
     def active_item(self, request):
-        """Return the first active item (e.g. submenu) that is found"""
+        """Return the first active item (e.g. submenu) that is found."""
         for item in self.items:
             if request.path.startswith(item.url):
                 return item

modules/help/help.py

@@ -10,8 +10,8 @@ def init():
     """Initialize the Help module"""
     menu = cfg.main_menu.add_urlname(_('Documentation'), 'icon-book',
                                      'help:index', 101)
-    menu.add_urlname(_("Where to Get Help"), "icon-search",
-                     "help:index_explicit", 5)
+    menu.add_urlname(_('Where to Get Help'), 'icon-search',
+                     'help:index_explicit', 5)
     menu.add_urlname(_('Developer\'s Manual'), 'icon-info-sign',
                      'help:helppage', 10, url_args=('plinth',))
     menu.add_urlname(_('FAQ'), 'icon-question-sign', 'help:helppage', 20,