PEP8 white space and long line fixes

8 files changed, 145 insertions, 52 deletions

diff --git a/src/sugar/activity/activity.py b/src/sugar/activity/activity.py
index dee7f90..df5d8f0 100644
--- a/src/sugar/activity/activity.py
+++ b/src/sugar/activity/activity.py
@@ -74,7 +74,9 @@ from sugar.session import XSMPClient
 from sugar import wm
 
 # support deprecated imports
-from sugar.activity.widgets import ActivityToolbar, EditToolbar, ActivityToolbox
+from sugar.activity.widgets import ActivityToolbar, EditToolbar
+from sugar.activity.widgets import ActivityToolbox
+
 
 _ = lambda msg: gettext.dgettext('sugar-toolkit', msg)
 
@@ -86,17 +88,20 @@ J_DBUS_SERVICE = 'org.laptop.Journal'
 J_DBUS_PATH = '/org/laptop/Journal'
 J_DBUS_INTERFACE = 'org.laptop.Journal'
 
+
 class _ActivitySession(gobject.GObject):
+
     __gsignals__ = {
         'quit-requested': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
-        'quit':           (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([]))
+        'quit': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
     }
 
     def __init__(self):
         gobject.GObject.__init__(self)
 
         self._xsmp_client = XSMPClient()
-        self._xsmp_client.connect('quit-requested', self.__sm_quit_requested_cb)
+        self._xsmp_client.connect('quit-requested',
+            self.__sm_quit_requested_cb)
         self._xsmp_client.connect('quit', self.__sm_quit_cb)
         self._xsmp_client.startup()
 
@@ -133,6 +138,7 @@ class _ActivitySession(gobject.GObject):
     def __sm_quit_cb(self, client):
         self.emit('quit')
 
+
 class Activity(Window, gtk.Container):
     """This is the base Activity class that all other Activities derive from.
        This is where your activity starts.
@@ -160,12 +166,12 @@ class Activity(Window, gtk.Container):
 
         2. Implement read_file() and write_file()
            Most activities revolve around creating and storing Journal entries.
-           For example, Write: You create a document, it is saved to the Journal
-           and then later you resume working on the document.
+           For example, Write: You create a document, it is saved to the
+           Journal and then later you resume working on the document.
 
            read_file() and write_file() will be called by sugar to tell your
-           Activity that it should load or save the document the user is working
-           on.
+           Activity that it should load or save the document the user is
+           working on.
 
         3. Implement our Activity Toolbars.
            The Toolbars are added to your Activity in step 1 (the toolbox), but
@@ -177,9 +183,9 @@ class Activity(Window, gtk.Container):
            okay, but you should really stop and think about why not!) You do
            this with the ActivityToolbox(self) call in step 1.
 
-           Usually, you will also need the standard EditToolbar. This is the one
-           which has the standard copy and paste buttons. You need to derive
-           your own EditToolbar class from sugar.EditToolbar:
+           Usually, you will also need the standard EditToolbar. This is the
+           one which has the standard copy and paste buttons. You need to
+           derive your own EditToolbar class from sugar.EditToolbar:
                 class EditToolbar(activity.EditToolbar):
                     ...
 
@@ -200,11 +206,12 @@ class Activity(Window, gtk.Container):
     Hint: A good and simple Activity to learn from is the Read activity. To
     create your own activity, you may want to copy it and use it as a template.
     """
+
     __gtype_name__ = 'SugarActivity'
 
     __gsignals__ = {
         'shared': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
-        'joined': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([]))
+        'joined': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
     }
 
     def __init__(self, handle, create_jobject=True):
@@ -368,8 +375,8 @@ class Activity(Window, gtk.Container):
         The activity id is sort-of-like the unix process id (PID). However,
         unlike PIDs it is only different for each new instance (with
         create_jobject = True set) and stays the same everytime a user
-        resumes an activity. This is also the identity of your Activity to other
-        XOs for use when sharing.
+        resumes an activity. This is also the identity of your Activity to
+        other XOs for use when sharing.
         """
         return self._activity_id
 
@@ -378,7 +385,8 @@ class Activity(Window, gtk.Container):
         return os.environ['SUGAR_BUNDLE_ID']
 
     def set_canvas(self, canvas):
-        """Sets the 'work area' of your activity with the canvas of your choice.
+        """Sets the 'work area' of your activity with the canvas of your
+        choice.
 
         One commonly used canvas is gtk.ScrolledWindow
         """
@@ -425,8 +433,8 @@ class Activity(Window, gtk.Container):
         ~/.sugar/default/MyActivityName/
 
         Activities should ONLY save settings, user preferences and other data
-        which isn't specific to a journal item here. If (meta-)data is in anyway
-        specific to a journal entry, it MUST be stored in the DataStore.
+        which isn't specific to a journal item here. If (meta-)data is in
+        anyway specific to a journal entry, it MUST be stored in the DataStore.
         """
         if os.environ.has_key('SUGAR_ACTIVITY_ROOT') and \
            os.environ['SUGAR_ACTIVITY_ROOT']:
@@ -446,9 +454,10 @@ class Activity(Window, gtk.Container):
         close it.
 
         Although not required, this is also a good time to read all meta-data:
-        the file itself cannot be changed externally, but the title, description
-        and other metadata['tags'] may change. So if it is important for you to
-        notice changes, this is the time to record the originals.
+        the file itself cannot be changed externally, but the title,
+        description and other metadata['tags'] may change. So if it is
+        important for you to notice changes, this is the time to record the
+        originals.
         """
         raise NotImplementedError
 
@@ -461,12 +470,13 @@ class Activity(Window, gtk.Container):
         all document data to it.
 
         Additionally, you should also write any metadata needed to resume your
-        activity. For example, the Read activity saves the current page and zoom
-        level, so it can display the page.
+        activity. For example, the Read activity saves the current page and
+        zoom level, so it can display the page.
 
         Note: Currently, the file_path *WILL* be different from the one you
-        received in file_read(). Even if you kept the file_path from file_read()
-        open until now, you must still write the entire file to this file_path.
+        received in file_read(). Even if you kept the file_path from
+        file_read() open until now, you must still write the entire file to
+        this file_path.
         """
         raise NotImplementedError
 
@@ -518,6 +528,7 @@ class Activity(Window, gtk.Container):
                                      gtk.gdk.INTERP_BILINEAR)
 
         preview_data = []
+
         def save_func(buf, data):
             data.append(buf)
 
@@ -809,8 +820,10 @@ class Activity(Window, gtk.Container):
     # DEPRECATED
     _shared_activity = property(lambda self: self.shared_activity, None)
 
+
 _session = None
 
+
 def _get_session():
     global _session
 
@@ -819,14 +832,17 @@ def _get_session():
 
     return _session
 
+
 def get_bundle_name():
     """Return the bundle name for the current process' bundle"""
     return os.environ['SUGAR_BUNDLE_NAME']
 
+
 def get_bundle_path():
     """Return the bundle path for the current process' bundle"""
     return os.environ['SUGAR_BUNDLE_PATH']
 
+
 def get_activity_root():
     """Returns a path for saving Activity specific preferences, etc."""
     if os.environ.has_key('SUGAR_ACTIVITY_ROOT') and \
@@ -835,6 +851,7 @@ def get_activity_root():
     else:
         raise RuntimeError("No SUGAR_ACTIVITY_ROOT set.")
 
+
 def show_object_in_journal(object_id):
     bus = dbus.SessionBus()
     obj = bus.get_object(J_DBUS_SERVICE, J_DBUS_PATH)
diff --git a/src/sugar/activity/activityfactory.py b/src/sugar/activity/activityfactory.py
index f2ca5ba..ee0fd92 100644
--- a/src/sugar/activity/activityfactory.py
+++ b/src/sugar/activity/activityfactory.py
@@ -54,6 +54,8 @@ try:
     MAXFD = os.sysconf("SC_OPEN_MAX")
 except ValueError:
     MAXFD = 256
+
+
 def _close_fds():
     for i in xrange(3, MAXFD):
         try:
@@ -62,6 +64,7 @@ def _close_fds():
         except Exception:
             pass
 
+
 def create_activity_id():
     """Generate a new, unique ID for this activity"""
     pservice = presenceservice.get_instance()
@@ -84,6 +87,7 @@ def create_activity_id():
             return act_id
     raise RuntimeError("Cannot generate unique activity id.")
 
+
 def get_environment(activity):
     environ = os.environ.copy()
 
@@ -106,15 +110,17 @@ def get_environment(activity):
         os.mkdir(tmp_dir)
 
     environ['SUGAR_BUNDLE_PATH'] = activity.get_path()
-    environ['SUGAR_BUNDLE_ID']   = activity.get_bundle_id()
+    environ['SUGAR_BUNDLE_ID'] = activity.get_bundle_id()
     environ['SUGAR_ACTIVITY_ROOT'] = activity_root
     environ['PATH'] = bin_path + ':' + environ['PATH']
 
     if activity.get_path().startswith(env.get_user_activities_path()):
-        environ['SUGAR_LOCALEDIR'] = os.path.join(activity.get_path(), 'locale')
+        environ['SUGAR_LOCALEDIR'] = os.path.join(activity.get_path(),
+            'locale')
 
     return environ
 
+
 def get_command(activity, activity_id=None, object_id=None, uri=None):
     if not activity_id:
         activity_id = create_activity_id()
@@ -140,6 +146,7 @@ def get_command(activity, activity_id=None, object_id=None, uri=None):
 
     return command
 
+
 def open_log_file(activity):
     i = 1
     while True:
@@ -154,10 +161,11 @@ def open_log_file(activity):
                 i += 1
             elif e.errno == ENOSPC:
                 # not the end of the world; let's try to keep going.
-                return ('/dev/null', open('/dev/null','w'))
+                return ('/dev/null', open('/dev/null', 'w'))
             else:
                 raise e
 
+
 class ActivityCreationHandler(gobject.GObject):
     """Sugar-side activity creation interface
 
@@ -250,7 +258,7 @@ class ActivityCreationHandler(gobject.GObject):
                        '-u', pwd.getpwuid(os.getuid()).pw_name,
                        '-i', environ['SUGAR_BUNDLE_ID'],
                        '-e', environment_dir,
-                       '--'
+                       '--',
                       ] + command
 
             for key, value in environ.items():
@@ -310,25 +318,29 @@ class ActivityCreationHandler(gobject.GObject):
         logging.error('Datastore find failed %s', err)
         self._launch_activity()
 
+
 def create(bundle, activity_handle=None):
     """Create a new activity from its name."""
     if not activity_handle:
         activity_handle = ActivityHandle()
     return ActivityCreationHandler(bundle, activity_handle)
 
+
 def create_with_uri(bundle, uri):
     """Create a new activity and pass the uri as handle."""
     activity_handle = ActivityHandle(uri=uri)
     return ActivityCreationHandler(bundle, activity_handle)
 
+
 def create_with_object_id(bundle, object_id):
     """Create a new activity and pass the object id as handle."""
     activity_handle = ActivityHandle(object_id=object_id)
     return ActivityCreationHandler(bundle, activity_handle)
 
-# FIXME we use standalone method here instead of ActivityCreationHandler's
-# member to have workaround code, see #1123
+
 def _child_watch_cb(pid, condition, user_data):
+    # FIXME we use standalone method here instead of ActivityCreationHandler's
+    # member to have workaround code, see #1123
     environment_dir, log_file = user_data
     if environment_dir is not None:
         subprocess.call(['/bin/rm', '-rf', environment_dir])
diff --git a/src/sugar/activity/activityhandle.py b/src/sugar/activity/activityhandle.py
index 7240e3c..4ceadb0 100644
--- a/src/sugar/activity/activityhandle.py
+++ b/src/sugar/activity/activityhandle.py
@@ -19,11 +19,11 @@
 STABLE.
 """
 
+
 class ActivityHandle(object):
     """Data structure storing simple activity metadata"""
-    def __init__(
-        self, activity_id=None, object_id=None, uri=None
-    ):
+
+    def __init__(self, activity_id=None, object_id=None, uri=None):
         """Initialise the handle from activity_id
 
         activity_id -- unique id for the activity to be
@@ -52,7 +52,7 @@ class ActivityHandle(object):
 
     def get_dict(self):
         """Retrieve our settings as a dictionary"""
-        result = { 'activity_id' : self.activity_id }
+        result = {'activity_id': self.activity_id}
         if self.object_id:
             result['object_id'] = self.object_id
         if self.uri:
@@ -60,11 +60,10 @@ class ActivityHandle(object):
 
         return result
 
+
 def create_from_dict(handle_dict):
     """Create a handle from a dictionary of parameters"""
-    result = ActivityHandle(
-        handle_dict['activity_id'],
+    result = ActivityHandle(handle_dict['activity_id'],
         object_id = handle_dict.get('object_id'),
-        uri = handle_dict.get('uri'),
-    )
+        uri = handle_dict.get('uri'))
     return result
diff --git a/src/sugar/activity/activityservice.py b/src/sugar/activity/activityservice.py
index 1e5d2ea..36f485c 100644
--- a/src/sugar/activity/activityservice.py
+++ b/src/sugar/activity/activityservice.py
@@ -24,10 +24,12 @@ import logging
 import dbus
 import dbus.service
 
+
 _ACTIVITY_SERVICE_NAME = "org.laptop.Activity"
 _ACTIVITY_SERVICE_PATH = "/org/laptop/Activity"
 _ACTIVITY_INTERFACE = "org.laptop.Activity"
 
+
 class ActivityService(dbus.service.Object):
     """Base dbus service object that each Activity uses to export dbus methods.
 
@@ -51,7 +53,7 @@ class ActivityService(dbus.service.Object):
 
         activity_id = activity.get_id()
         service_name = _ACTIVITY_SERVICE_NAME + activity_id
-        object_path  = _ACTIVITY_SERVICE_PATH + "/" + activity_id
+        object_path = _ACTIVITY_SERVICE_PATH + '/' + activity_id
 
         bus = dbus.SessionBus()
         bus_name = dbus.service.BusName(service_name, bus=bus)
@@ -79,4 +81,3 @@ class ActivityService(dbus.service.Object):
             self._activity.get_document_path(async_cb, async_err_cb)
         except Exception, e:
             async_err_cb(e)
-
diff --git a/src/sugar/activity/bundlebuilder.py b/src/sugar/activity/bundlebuilder.py
index b11c7d0..868ca3d 100644
--- a/src/sugar/activity/bundlebuilder.py
+++ b/src/sugar/activity/bundlebuilder.py
@@ -34,9 +34,11 @@ from fnmatch import fnmatch
 from sugar import env
 from sugar.bundle.activitybundle import ActivityBundle
 
+
 IGNORE_DIRS = ['dist', '.git']
 IGNORE_FILES = ['.gitignore', 'MANIFEST', '*.pyc', '*~', '*.bak', 'pseudo.po']
 
+
 def list_files(base_dir, ignore_dirs=None, ignore_files=None):
     result = []
 
@@ -58,7 +60,9 @@ def list_files(base_dir, ignore_dirs=None, ignore_files=None):
 
     return result
 
+
 class Config(object):
+
     def __init__(self, source_dir=None, dist_dir = None, dist_name = None):
         self.source_dir = source_dir or os.getcwd()
         self.dist_dir = dist_dir or os.path.join(self.source_dir, 'dist')
@@ -80,7 +84,7 @@ class Config(object):
         self.version = bundle.get_activity_version()
         self.activity_name = bundle.get_name()
         self.bundle_id = bundle.get_bundle_id()
-        self.bundle_name = reduce(lambda x, y:x+y, self.activity_name.split())
+        self.bundle_name = reduce(lambda x, y: x+y, self.activity_name.split())
         self.bundle_root_dir = self.bundle_name + '.activity'
         self.tar_root_dir = '%s-%d' % (self.bundle_name, self.version)
 
@@ -90,7 +94,9 @@ class Config(object):
             self.xo_name = '%s-%d.xo' % (self.bundle_name, self.version)
             self.tar_name = '%s-%d.tar.bz2' % (self.bundle_name, self.version)
 
+
 class Builder(object):
+
     def __init__(self, config):
         self.config = config
 
@@ -167,7 +173,9 @@ class Builder(object):
         for line in manifest:
             f.write(line + "\n")
 
+
 class Packager(object):
+
     def __init__(self, config):
         self.config = config
         self.package_path = None
@@ -175,7 +183,9 @@ class Packager(object):
         if not os.path.exists(self.config.dist_dir):
             os.mkdir(self.config.dist_dir)
 
+
 class XOPackager(Packager):
+
     def __init__(self, builder):
         Packager.__init__(self, builder.config)
 
@@ -200,7 +210,9 @@ class XOPackager(Packager):
 
         bundle_zip.close()
 
+
 class SourcePackager(Packager):
+
     def __init__(self, config):
         Packager.__init__(self, config)
         self.package_path = os.path.join(self.config.dist_dir,
@@ -210,7 +222,7 @@ class SourcePackager(Packager):
         git_ls = subprocess.Popen(['git', 'ls-files'], stdout=subprocess.PIPE,
                                   cwd=self.config.source_dir)
         stdout, _ = git_ls.communicate()
-        if git_ls.returncode :
+        if git_ls.returncode:
             # Fall back to filtered list
             return list_files(self.config.source_dir,
                               IGNORE_DIRS, IGNORE_FILES)
@@ -224,8 +236,9 @@ class SourcePackager(Packager):
                     os.path.join(self.config.tar_root_dir, f))
         tar.close()
 
+
 class Installer(object):
-    IGNORES = [ 'po/*', 'MANIFEST', 'AUTHORS' ]
+    IGNORES = ['po/*', 'MANIFEST', 'AUTHORS']
 
     def __init__(self, builder):
         self.config = builder.config
@@ -261,6 +274,7 @@ class Installer(object):
 
             shutil.copy(source, dest)
 
+
 def cmd_dev(config, args):
     '''Setup for development'''
 
@@ -280,6 +294,7 @@ def cmd_dev(config, args):
         else:
             print 'ERROR - A bundle with the same name is already installed.'
 
+
 def cmd_dist_xo(config, args):
     '''Create a xo bundle package'''
 
@@ -290,6 +305,7 @@ def cmd_dist_xo(config, args):
     packager = XOPackager(Builder(config))
     packager.package()
 
+
 def cmd_fix_manifest(config, args):
     '''Add missing files to the manifest'''
 
@@ -300,6 +316,7 @@ def cmd_fix_manifest(config, args):
     builder = Builder(config)
     builder.fix_manifest()
 
+
 def cmd_dist_source(config, args):
     '''Create a tar source package'''
 
@@ -310,6 +327,7 @@ def cmd_dist_source(config, args):
     packager = SourcePackager(config)
     packager.package()
 
+
 def cmd_install(config, args):
     '''Install the activity in the system'''
 
@@ -324,6 +342,7 @@ def cmd_install(config, args):
     installer = Installer(Builder(config))
     installer.install(suboptions.prefix)
 
+
 def cmd_genpot(config, args):
     '''Generate the gettext pot file'''
 
@@ -354,14 +373,15 @@ def cmd_genpot(config, args):
     f.write('msgstr ""\n')
     f.close()
 
-    args = [ 'xgettext', '--join-existing', '--language=Python',
-             '--keyword=_', '--add-comments=TRANS:', '--output=%s' % pot_file ]
+    args = ['xgettext', '--join-existing', '--language=Python',
+        '--keyword=_', '--add-comments=TRANS:', '--output=%s' % pot_file]
 
     args += python_files
     retcode = subprocess.call(args)
     if retcode:
         print 'ERROR - xgettext failed with return code %i.' % retcode
 
+
 def cmd_build(config, args):
     '''Build generated files'''
 
@@ -372,6 +392,7 @@ def cmd_build(config, args):
     builder = Builder(config)
     builder.build()
 
+
 def print_commands():
     print 'Available commands:\n'
 
@@ -382,6 +403,7 @@ def print_commands():
     print '\n(Type "./setup.py <command> --help" for help about a ' \
           'particular command\'s options.'
 
+
 def start(bundle_name=None):
     if bundle_name:
         logging.warn("bundle_name deprecated, now comes from activity.info")
@@ -397,5 +419,6 @@ def start(bundle_name=None):
     except (KeyError, IndexError):
         print_commands()
 
+
 if __name__ == '__main__':
     start()
diff --git a/src/sugar/activity/main.py b/src/sugar/activity/main.py
index 168b2f4..93f34e6 100644
--- a/src/sugar/activity/main.py
+++ b/src/sugar/activity/main.py
@@ -30,17 +30,22 @@ from sugar.activity import activityhandle
 from sugar.bundle.activitybundle import ActivityBundle
 from sugar import logger
 
+
 def create_activity_instance(constructor, handle):
     activity = constructor(handle)
     activity.show()
 
+
 def get_single_process_name(bundle_id):
     return bundle_id
 
+
 def get_single_process_path(bundle_id):
     return '/' + bundle_id.replace('.', '/')
 
+
 class SingleProcess(dbus.service.Object):
+
     def __init__(self, name_service, constructor):
         self.constructor = constructor
 
@@ -54,6 +59,7 @@ class SingleProcess(dbus.service.Object):
         handle = activityhandle.create_from_dict(handle_dict)
         create_activity_instance(self.constructor, handle)
 
+
 def main():
     parser = OptionParser()
     parser.add_option("-b", "--bundle-id", dest="bundle_id",
diff --git a/src/sugar/activity/namingalert.py b/src/sugar/activity/namingalert.py
index 18e84a7..72db8dc 100644
--- a/src/sugar/activity/namingalert.py
+++ b/src/sugar/activity/namingalert.py
@@ -35,8 +35,10 @@ from sugar.graphics.canvastextview import CanvasTextView
 
 from sugar.bundle.activitybundle import ActivityBundle
 
+
 _ = lambda msg: gettext.dgettext('sugar-toolkit', msg)
 
+
 def _get_icon_name(metadata):
     file_name = None
 
@@ -53,16 +55,17 @@ def _get_icon_name(metadata):
 
     return file_name
 
+
 class NamingToolbar(gtk.Toolbar):
     """ Toolbar of the naming alert
     """
+
     __gtype_name__ = 'SugarNamingToolbar'
 
     __gsignals__ = {
-        'keep-clicked': (gobject.SIGNAL_RUN_FIRST,
-                         gobject.TYPE_NONE,
-                         ([]))
+        'keep-clicked': (gobject.SIGNAL_RUN_FIRST, gobject.TYPE_NONE, ([])),
     }
+
     def __init__(self):
         gtk.Toolbar.__init__(self)
 
@@ -110,7 +113,9 @@ class NamingToolbar(gtk.Toolbar):
     def __keep_button_clicked_cb(self, widget, data=None):
         self.emit('keep-clicked')
 
+
 class FavoriteIcon(CanvasIcon):
+
     def __init__(self, favorite):
         CanvasIcon.__init__(self, icon_name='emblem-favorite',
                             box_width=style.GRID_CELL_SIZE * 3 / 5,
@@ -149,7 +154,9 @@ class FavoriteIcon(CanvasIcon):
             elif event.detail == hippo.MOTION_DETAIL_LEAVE:
                 icon.props.fill_color = style.COLOR_TRANSPARENT.get_svg()
 
+
 class NamingAlert(gtk.Window):
+
     __gtype_name__ = 'SugarNamingAlert'
 
     def __init__(self, activity, bundle_path):
@@ -212,11 +219,12 @@ class NamingAlert(gtk.Window):
                                  spacing=style.DEFAULT_SPACING)
         body.append(header)
 
-        descriptions = hippo.CanvasBox(orientation=hippo.ORIENTATION_HORIZONTAL,
-                               spacing=style.DEFAULT_SPACING * 3,
-                               padding_left=style.GRID_CELL_SIZE,
-                               padding_right=style.GRID_CELL_SIZE,
-                               padding_top=style.DEFAULT_SPACING * 3)
+        descriptions = hippo.CanvasBox(
+            orientation=hippo.ORIENTATION_HORIZONTAL,
+            spacing=style.DEFAULT_SPACING * 3,
+            padding_left=style.GRID_CELL_SIZE,
+            padding_right=style.GRID_CELL_SIZE,
+            padding_top=style.DEFAULT_SPACING * 3)
 
         body.append(descriptions, hippo.PACK_EXPAND)
 
diff --git a/src/sugar/activity/widgets.py b/src/sugar/activity/widgets.py
index 2a8b1a2..6ecdda3 100644
--- a/src/sugar/activity/widgets.py
+++ b/src/sugar/activity/widgets.py
@@ -29,6 +29,7 @@ from sugar.graphics.xocolor import XoColor
 from sugar.graphics.icon import Icon
 from sugar.bundle.activitybundle import ActivityBundle
 
+
 _ = lambda msg: gettext.dgettext('sugar-toolkit', msg)
 
 
@@ -41,7 +42,9 @@ def _create_activity_icon():
     icon = Icon(file=bundle.get_icon(), xo_color=color)
     return icon
 
+
 class ActivityButton(ToolButton):
+
     def __init__(self, activity, **kwargs):
         ToolButton.__init__(self, **kwargs)
 
@@ -55,7 +58,9 @@ class ActivityButton(ToolButton):
     def __jobject_updated_cb(self, jobject):
         self.props.tooltip = jobject['title']
 
+
 class ActivityToolbarButton(ToolbarButton):
+
     def __init__(self, activity, **kwargs):
         toolbar = ActivityToolbar(activity, orientation_left=True)
         toolbar.stop.hide()
@@ -66,7 +71,9 @@ class ActivityToolbarButton(ToolbarButton):
         self.set_icon_widget(icon)
         icon.show()
 
+
 class StopButton(ToolButton):
+
     def __init__(self, activity, **kwargs):
         ToolButton.__init__(self, 'activity-stop', **kwargs)
         self.props.tooltip = _('Stop')
@@ -76,28 +83,38 @@ class StopButton(ToolButton):
     def __stop_button_clicked_cb(self, button, activity):
         activity.close()
 
+
 class UndoButton(ToolButton):
+
     def __init__(self, **kwargs):
         ToolButton.__init__(self, 'edit-undo', **kwargs)
         self.props.tooltip = _('Undo')
         self.props.accelerator = '<Ctrl>Q'
 
+
 class RedoButton(ToolButton):
+
     def __init__(self, **kwargs):
         ToolButton.__init__(self, 'edit-redo', **kwargs)
         self.props.tooltip = _('Redo')
 
+
 class CopyButton(ToolButton):
+
     def __init__(self, **kwargs):
         ToolButton.__init__(self, 'edit-copy', **kwargs)
         self.props.tooltip = _('Copy')
 
+
 class PasteButton(ToolButton):
+
     def __init__(self, **kwargs):
         ToolButton.__init__(self, 'edit-paste', **kwargs)
         self.props.tooltip = _('Paste')
 
+
 class ShareButton(RadioMenuButton):
+
     def __init__(self, activity, **kwargs):
         palette = RadioPalette()
 
@@ -137,7 +154,9 @@ class ShareButton(RadioMenuButton):
         finally:
             self.neighborhood.handler_unblock(self._neighborhood_handle)
 
+
 class KeepButton(ToolButton):
+
     def __init__(self, activity, **kwargs):
         ToolButton.__init__(self, **kwargs)
         self.props.tooltip = _('Keep')
@@ -154,7 +173,9 @@ class KeepButton(ToolButton):
     def __keep_button_clicked_cb(self, button, activity):
         activity.copy()
 
+
 class TitleEntry(gtk.ToolItem):
+
     def __init__(self, activity, **kwargs):
         gtk.ToolItem.__init__(self)
         self.set_expand(False)
@@ -195,6 +216,7 @@ class TitleEntry(gtk.ToolItem):
         self._update_title_sid = None
         return False
 
+
 class ActivityToolbar(gtk.Toolbar):
     """The Activity toolbar with the Journal entry title, sharing,
        Keep and Stop buttons
@@ -202,6 +224,7 @@ class ActivityToolbar(gtk.Toolbar):
     All activities should have this toolbar. It is easiest to add it to your
     Activity by using the ActivityToolbox.
     """
+
     def __init__(self, activity, orientation_left=False):
         gtk.Toolbar.__init__(self)
 
@@ -232,6 +255,7 @@ class ActivityToolbar(gtk.Toolbar):
         self.insert(self.stop, -1)
         self.stop.show()
 
+
 class EditToolbar(gtk.Toolbar):
     """Provides the standard edit toolbar for Activities.
 
@@ -265,6 +289,7 @@ class EditToolbar(gtk.Toolbar):
         # And make it visible:
         self._edit_toolbar.show()
     """
+
     def __init__(self):
         gtk.Toolbar.__init__(self)
 
@@ -289,6 +314,7 @@ class EditToolbar(gtk.Toolbar):
         self.insert(self.paste, -1)
         self.paste.show()
 
+
 class ActivityToolbox(Toolbox):
     """Creates the Toolbox for the Activity
 
@@ -307,6 +333,7 @@ class ActivityToolbox(Toolbox):
         # And make it visible:
         toolbox.show()
     """
+
     def __init__(self, activity):
         Toolbox.__init__(self)