replace equality None check with identity None check

calendar-server/cinnamon-calendar-server.py

@@ -53,10 +53,10 @@ def destroy(self):
 
         self.disconnect(self.owner_color_signal_id)
 
-        if self.view_cancellable != None:
+        if self.view_cancellable is not None:
             self.view_cancellable.cancel()
 
-        if self.view != None:
+        if self.view is not None:
             self.view.stop()
         self.view = None
 
@@ -111,7 +111,7 @@ def __init__(self, hold=False):
     def update_timezone(self):
         location = ECal.system_timezone_get_location()
 
-        if location == None:
+        if location is None:
             self.zone = ICalGLib.Timezone.get_utc_timezone().copy()
         else:
             self.zone = ICalGLib.Timezone.get_builtin_timezone(location).copy()
@@ -243,11 +243,11 @@ def handle_exit(self, iface, inv):
     def create_view_for_calendar(self, calendar):
         self.hold()
 
-        if calendar.view_cancellable != None:
+        if calendar.view_cancellable is not None:
             calendar.view_cancellable.cancel()
         calendar.view_cancellable = Gio.Cancellable()
 
-        if calendar.view != None:
+        if calendar.view is not None:
             calendar.view.stop()
         calendar.view = None
 
@@ -302,7 +302,7 @@ def handle_new_or_modified_objects(self, view, objects, calendar):
 
         for ical_comp in objects:
 
-            if ical_comp.get_uid() == None:
+            if ical_comp.get_uid() is None:
                 continue
 
             if (not ECal.util_component_is_instance (ical_comp)) and \
@@ -318,7 +318,7 @@ def handle_new_or_modified_objects(self, view, objects, calendar):
             else:
                 comp = ECal.Component.new_from_icalcomponent(ical_comp)
                 comptext = comp.get_summary()
-                if comptext != None:
+                if comptext is not None:
                     summary = comptext.get_value()
                 else:
                     summary = ""
@@ -330,7 +330,7 @@ def handle_new_or_modified_objects(self, view, objects, calendar):
 
                 dte_prop = ical_comp.get_first_property(ICalGLib.PropertyKind.DTEND_PROPERTY)
 
-                if dte_prop != None:
+                if dte_prop is not None:
                     ical_time_end = dte_prop.get_dtend()
                     end_timet = self.ical_time_get_timet(calendar.client, ical_time_end, dte_prop)
                 else:
@@ -362,19 +362,19 @@ def recurrence_generated(self, ical_comp, instance_start, instance_end, calendar
         all_objects = GLib.VariantBuilder(GLib.VariantType.new("a(sssbxx)"))
 
         comptext = comp.get_summary()
-        if comptext != None:
+        if comptext is not None:
             summary = comptext.get_value()
         else:
             summary = ""
 
         default_zone = calendar.client.get_default_timezone()
 
         dts_timezone = instance_start.get_timezone()
-        if dts_timezone == None:
+        if dts_timezone is None:
             dts_timezone = default_zone
 
         dte_timezone = instance_end.get_timezone()
-        if dte_timezone == None:
+        if dte_timezone is None:
             dte_timezone = default_zone
 
         all_day = instance_start.is_date()
@@ -429,12 +429,12 @@ def get_mod_timet(self, ical_comp):
         mod_timet = 0
 
         mod_prop = ical_comp.get_first_property(ICalGLib.PropertyKind.LASTMODIFIED_PROPERTY)
-        if mod_prop != None:
+        if mod_prop is not None:
             ical_time_modified = mod_prop.get_lastmodified()
             mod_timet = ical_time_modified.as_timet()
         else:
             created_prop = ical_comp.get_first_property(ICalGLib.PropertyKind.CREATED_PROPERTY)
-            if created_prop != None:
+            if created_prop is not None:
                 ical_time_created = created_prop.get_created()
                 mod_timet = ical_time_created.as_timet()
 
@@ -460,7 +460,7 @@ def create_uid(self, calendar, ecal_comp):
         return self.get_id_from_comp_id(comp_id, source_id)
 
     def get_id_from_comp_id(self, comp_id, source_id):
-        if comp_id.get_rid() != None:
+        if comp_id.get_rid() is not None:
             return "%s:%s:%s" % (source_id, comp_id.get_uid(), comp_id.get_rid())
         else:
             return "%s:%s" % (source_id, comp_id.get_uid())
@@ -482,7 +482,7 @@ def handle_removed_objects(self, view, component_ids, calendar):
             self.interface.emit_events_removed(uids_string)
 
     def exit(self):
-        if self.registry_watcher != None:
+        if self.registry_watcher is not None:
             self.registry_watcher.disconnect(self.client_appeared_id)
             self.registry_watcher.disconnect(self.client_disappeared_id)
 

docs/search-providers-examples/trackerprovider@cinnamon.org/search_provider.py

@@ -38,11 +38,11 @@
             #If we have no defined file type or no file url, skip
             continue
         result_types = cursor.get_string(7)[0].split(",")
-        while len(result_types) > 0 and defined_type == None:
+        while len(result_types) > 0 and defined_type is None:
             t = result_types.pop()
             if t in CONVERT_TYPES:
                 defined_type = CONVERT_TYPES[t]
-        if defined_type == None:
+        if defined_type is None:
             defined_type = "files"
         if len(results.setdefault(defined_type, [])) < 10:
             results.setdefault(defined_type, []).append({

files/usr/share/cinnamon/cinnamon-settings-users/cinnamon-settings-users.py

@@ -104,7 +104,7 @@ def __init__ (self):
     def add_labels(self, texts):
         row = 0
         for text in texts:
-            if text != None:
+            if text is not None:
                 label = Gtk.Label(text)
                 label.set_alignment(1, 0.5)
                 label.get_style_context().add_class("dim-label")
@@ -611,14 +611,14 @@ def __init__(self):
 
     def _on_password_button_clicked(self, widget):
         model, treeiter = self.users_treeview.get_selection().get_selected()
-        if treeiter != None:
+        if treeiter is not None:
             user = model[treeiter][INDEX_USER_OBJECT]
             dialog = PasswordDialog(user, self.password_mask, self.groups_label, self.window)
             response = dialog.run()
 
     def _on_groups_button_clicked(self, widget):
         model, treeiter = self.users_treeview.get_selection().get_selected()
-        if treeiter != None:
+        if treeiter is not None:
             user = model[treeiter][INDEX_USER_OBJECT]
             dialog = GroupsDialog(user.get_user_name(), self.window)
             response = dialog.run()
@@ -631,7 +631,7 @@ def _on_groups_button_clicked(self, widget):
 
     def _on_accounttype_changed(self, combobox):
         model, treeiter = self.users_treeview.get_selection().get_selected()
-        if treeiter != None:
+        if treeiter is not None:
             user = model[treeiter][INDEX_USER_OBJECT]
             if self.account_type_combo.get_active() == 1:
                 user.set_account_type(AccountsService.UserAccountType.ADMINISTRATOR)
@@ -647,15 +647,15 @@ def _on_accounttype_changed(self, combobox):
 
     def _on_realname_changed(self, widget, text):
         model, treeiter = self.users_treeview.get_selection().get_selected()
-        if treeiter != None:
+        if treeiter is not None:
             user = model[treeiter][INDEX_USER_OBJECT]
             user.set_real_name(text)
             description = "<b>%s</b>\n%s" % (text, user.get_user_name())
             model.set_value(treeiter, INDEX_USER_DESCRIPTION, description)
 
     def _on_face_browse_menuitem_activated(self, menuitem):
         model, treeiter = self.users_treeview.get_selection().get_selected()
-        if treeiter != None:
+        if treeiter is not None:
             user = model[treeiter][INDEX_USER_OBJECT]
             dialog = Gtk.FileChooserDialog(None, None, Gtk.FileChooserAction.OPEN, (_("Cancel"), Gtk.ResponseType.CANCEL, _("Open"), Gtk.ResponseType.OK))
             filter = Gtk.FileFilter()
@@ -722,7 +722,7 @@ def update_preview_cb (self, dialog, preview):
     def _on_face_menuitem_activated(self, menuitem, path):
         if os.path.exists(path):
             model, treeiter = self.users_treeview.get_selection().get_selected()
-            if treeiter != None:
+            if treeiter is not None:
                 user = model[treeiter][INDEX_USER_OBJECT]
                 user.set_icon_file(path)
                 self.face_image.set_from_file(path)
@@ -796,7 +796,7 @@ def on_user_selection(self, selection):
         self.password_button.set_tooltip_text("")
 
         model, treeiter = selection.get_selected()
-        if treeiter != None:
+        if treeiter is not None:
             user = model[treeiter][INDEX_USER_OBJECT]
             self.builder.get_object("button_delete_user").set_sensitive(True)
             self.realname_entry.set_text(user.get_real_name())
@@ -824,7 +824,7 @@ def on_user_selection(self, selection):
                     message = "Could not load pixbuf from '%s': %s" % (path, e.message)
                     error = True
 
-                if pixbuf != None:
+                if pixbuf is not None:
                     if pixbuf.get_height() > 96 or pixbuf.get_width() > 96:
                         try:
                             pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_size(path, 96, 96)
@@ -866,7 +866,7 @@ def on_user_selection(self, selection):
 
     def on_user_deletion(self, event):
         model, treeiter = self.users_treeview.get_selection().get_selected()
-        if treeiter != None:
+        if treeiter is not None:
             user = model[treeiter][INDEX_USER_OBJECT]
             message = _("Are you sure you want to permanently delete %s and all the files associated with this user?") % user.get_user_name()
             d = Gtk.MessageDialog(self.window,
@@ -909,14 +909,14 @@ def on_user_addition(self, event):
 
     def on_user_edition(self, event):
         model, treeiter = self.users_treeview.get_selection().get_selected()
-        if treeiter != None:
+        if treeiter is not None:
             print("Editing user %s" % model[treeiter][INDEX_USER_OBJECT].get_user_name())
 
 # GROUPS CALLBACKS
 
     def on_group_selection(self, selection):
         model, treeiter = selection.get_selected()
-        if treeiter != None:
+        if treeiter is not None:
             self.builder.get_object("button_edit_group").set_sensitive(True)
             self.builder.get_object("button_delete_group").set_sensitive(True)
             self.builder.get_object("button_delete_group").set_tooltip_text("")
@@ -936,7 +936,7 @@ def on_group_selection(self, selection):
 
     def on_group_deletion(self, event):
         model, treeiter = self.groups_treeview.get_selection().get_selected()
-        if treeiter != None:
+        if treeiter is not None:
             group = model[treeiter][INDEX_GROUPNAME]
             message = _("Are you sure you want to permanently delete %s?") % group
             d = Gtk.MessageDialog(self.window,
@@ -962,7 +962,7 @@ def on_group_addition(self, event):
 
     def on_group_edition(self, event):
         model, treeiter = self.groups_treeview.get_selection().get_selected()
-        if treeiter != None:
+        if treeiter is not None:
             group = model[treeiter][INDEX_GROUPNAME]
             dialog = GroupDialog(_("Group Name"), group, self.window)
             response = dialog.run()

files/usr/share/cinnamon/cinnamon-settings/bin/ChooserButtonWidgets.py

@@ -124,7 +124,7 @@ def set_picture_from_file (self, path):
                 message = "Could not load pixbuf from '%s': %s" % (path, e.message)
                 error = True
 
-            if pixbuf != None:
+            if pixbuf is not None:
                 h = pixbuf.get_height()
                 w = pixbuf.get_width()
 
@@ -176,7 +176,7 @@ def add_picture(self, path, callback, title=None, id=None):
                 message = "Could not load pixbuf from '%s': %s" % (path, e.message)
                 error = True
 
-            if pixbuf != None:
+            if pixbuf is not None:
                 h = pixbuf.get_height()
                 w = pixbuf.get_width()
 

files/usr/share/cinnamon/cinnamon-settings/bin/ExtensionCore.py

@@ -995,7 +995,7 @@ def refresh(self, *args):
 
     def build_list(self, *args):
         spices_data = self.spices.get_cache()
-        if spices_data == None:
+        if spices_data is None:
             return
 
         if len(self.extension_rows) > 0:

files/usr/share/cinnamon/cinnamon-settings/bin/JsonSettingsWidgets.py

@@ -109,7 +109,7 @@ def object_value_changed(self, obj, value, key):
         for info in self.bindings[key]:
             if obj == info["obj"]:
                 value = info["obj"].get_property(info["prop"])
-                if "map_set" in info and info["map_set"] != None:
+                if "map_set" in info and info["map_set"] is not None:
                     value = info["map_set"](value)
 
         for info in self.bindings[key]:
@@ -126,7 +126,7 @@ def set_object_value(self, info, value):
             return
 
         with info["obj"].freeze_notify():
-            if "map_get" in info and info["map_get"] != None:
+            if "map_get" in info and info["map_get"] is not None:
                 value = info["map_get"](value)
             if value != info["obj"].get_property(info["prop"]) and value is not None:
                 info["obj"].set_property(info["prop"], value)
@@ -279,7 +279,7 @@ def attach(self):
             bind_object = self.bind_object
         else:
             bind_object = self.content_widget
-        if self.bind_dir != None:
+        if self.bind_dir is not None:
             self.settings.bind(self.key, bind_object, self.bind_prop, self.bind_dir,
                                self.map_get if hasattr(self, "map_get") else None,
                                self.map_set if hasattr(self, "map_set") else None)
@@ -309,7 +309,7 @@ def on_setting_changed(self, *args):
         raise NotImplementedError("SettingsWidget class must implement on_setting_changed().")
 
     def connect_widget_handlers(self, *args):
-        if self.bind_dir == None:
+        if self.bind_dir is None:
             raise NotImplementedError("SettingsWidget classes with no .bind_dir must implement connect_widget_handlers().")
 
 def json_settings_factory(subclass):

files/usr/share/cinnamon/cinnamon-settings/bin/SettingsWidgets.py

@@ -28,7 +28,7 @@ def __init__(self):
 
         env = GLib.getenv("PATH")
 
-        if env == None:
+        if env is None:
             env = "/bin:/usr/bin:."
 
         self.paths = env.split(":")
@@ -58,7 +58,7 @@ def queue_emit_changed(self, file, other, event_type, data=None):
 def get_file_monitor():
     global file_monitor
 
-    if file_monitor == None:
+    if file_monitor is None:
         file_monitor = BinFileMonitor()
 
     return file_monitor
@@ -196,7 +196,7 @@ def __init__(self, name, icon, keywords, content_box = None, size = None, is_c_m
         self.topWindow = None
         self.builder = None
         self.stack = None
-        if self.module != None:
+        if self.module is not None:
             self.module.loaded = False
 
     def add_widget(self, widget):

files/usr/share/cinnamon/cinnamon-settings/bin/imtools.py

@@ -755,7 +755,7 @@ def put_palette(image_to, image_from, palette=None):
     :param palette: image palette
     :type palette: sequence of (r, g, b) tuples or None
     """
-    if palette == None:
+    if palette is None:
         palette = get_palette(image_from)
     image_to.putpalette(flatten(palette))
     if 'transparency' in image_from.info:
@@ -853,7 +853,7 @@ def paste(destination, source, box=(0, 0), mask=None, force=False):
             source_without_alpha = remove_alpha(source)
             # paste on top of the opaque destination pixels
             destination.paste(source_without_alpha, box, source)
-            if invert_alpha != None:
+            if invert_alpha is not None:
                 # the alpha channel is ok now, so save it
                 destination_alpha = get_alpha(destination)
                 # paste on top of the transparant destination pixels

files/usr/share/cinnamon/cinnamon-settings/bin/util.py

@@ -20,19 +20,19 @@ def strip_syspath_locals():
 
 def _get_gsound_context():
     global gsound_context
-    if (gsound_context == None):
+    if gsound_context is None:
         gsound_context = GSound.Context()
         gsound_context.init()
     return gsound_context
 
 def play_sound_name(name, channel = None):
     params = {GSound.ATTR_EVENT_ID: name, GSound.ATTR_MEDIA_ROLE: "test"}
-    if channel != None:
+    if channel is not None:
         params[GSound.ATTR_CANBERRA_FORCE_CHANNEL] = channel
     _get_gsound_context().play_simple(params)
 
 def play_sound_file(path, channel = None):
     params = {GSound.ATTR_MEDIA_FILENAME: path, GSound.ATTR_MEDIA_ROLE: "test"}
-    if channel != None:
+    if channel is not None:
         params[GSound.ATTR_CANBERRA_FORCE_CHANNEL] = channel
     _get_gsound_context().play_simple(params)

files/usr/share/cinnamon/cinnamon-settings/cinnamon-settings.py

@@ -566,7 +566,7 @@ def get_label_min_width(self, model):
         min_width_pixels = 0
         icon_view = Gtk.IconView()
         iter = model.get_iter_first()
-        while iter != None:
+        while iter is not None:
             string = model.get_value(iter, 0)
             split_by_word = string.split(" ")
             for word in split_by_word: