Hob: fix '!= None' and '== None' in the code

This patch is to fix the following:

if foo != None -----> if foo
if foo == None -----> if not foo

(From Poky rev: d771343b1726f166ed8d75543ba68bd2a20aee7b)

(Bitbake rev: 23c140a4d00293d922cbd34b6b837493cac2e93a)

Signed-off-by: Shane Wang <shane.wang@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/ui/crumbs/hobeventhandler.py

@@ -119,7 +119,7 @@ class HobHandler(gobject.GObject):
             self.generating = False
 
     def run_next_command(self, initcmd=None):
-        if initcmd != None:
+        if initcmd:
             self.initcmd = initcmd
 
         if self.commands_async:
@@ -127,7 +127,7 @@ class HobHandler(gobject.GObject):
             next_command = self.commands_async.pop(0)
         else:
             self.clear_busy()
-            if self.initcmd != None:
+            if self.initcmd:
                 self.emit("command-succeeded", self.initcmd)
             return
 

bitbake/lib/bb/ui/crumbs/hoblistmodel.py

@@ -713,7 +713,7 @@ class RecipeListModel(gtk.ListStore):
         return None
 
     def set_selected_image(self, img):
-        if img == None:
+        if not img:
             return
         path = self.find_path_for_item(img)
         self.include_item(item_path=path,

bitbake/lib/bb/ui/crumbs/hobpages.py

@@ -34,7 +34,7 @@ class HobPage (gtk.VBox):
         self.builder = builder
         self.builder_width, self.builder_height = self.builder.size_request()
 
-        if title == None:
+        if not title:
             self.title = "HOB -- Image Creator"
         else:
             self.title = title
@@ -62,7 +62,7 @@ class HobPage (gtk.VBox):
         label.set_markup("<span font_desc=\'14\'>%s</span>" % self.title)
         hbox.pack_start(label, expand=False, fill=False, padding=20)
 
-        if widget != None:
+        if widget:
             # add the widget in the event box
             hbox.pack_end(widget, expand=False, fill=False, padding=padding)
         eventbox.add(hbox)

bitbake/lib/bb/ui/crumbs/hobwidget.py

@@ -366,7 +366,7 @@ class HobTabBar(gtk.DrawingArea):
             child["x"] = self.tab_x + i * self.tab_width
             child["y"] = self.tab_y
 
-        if self.blank_rectangle != None:
+        if self.blank_rectangle:
             self.resize_blank_rectangle()
 
     def resize_blank_rectangle(self):
@@ -553,7 +553,7 @@ class HobTabBar(gtk.DrawingArea):
         self.queue_draw()
 
     def set_blank_size(self, x, y, w, h):
-        if self.blank_rectangle == None or self.blank_rectangle.x != x or self.blank_rectangle.width != w:
+        if not self.blank_rectangle or self.blank_rectangle.x != x or self.blank_rectangle.width != w:
             self.emit("blank-area-changed", x, y, w, h)
 
         return gtk.gdk.Rectangle(x, y, w, h)
@@ -640,7 +640,7 @@ class HobNotebook(gtk.VBox):
         if not notebook:
             return
         title = notebook.get_tab_label_text(notebook_child)
-        if title == None:
+        if not title:
             return
         for child in self.tabbar.children:
             if child["title"] == title:

bitbake/lib/bb/ui/crumbs/imagedetailspage.py

@@ -64,9 +64,9 @@ class ImageDetailsPage (HobPage):
             self.hbox.set_border_width(15)
             self.add(self.hbox)
 
-            if widget != None:
+            if widget:
                 row = 1
-            elif varlist != None and vallist != None:
+            elif varlist and vallist:
                 # pack the icon and the text on the left
                 row = len(varlist)
             self.table = gtk.Table(row, 20, True)
@@ -75,18 +75,18 @@ class ImageDetailsPage (HobPage):
 
             colid = 0
             self.line_widgets = {}
-            if icon != None:
+            if icon:
                 self.table.attach(icon, colid, colid + 2, 0, 1)
                 colid = colid + 2
-            if widget != None:
+            if widget:
                 self.table.attach(widget, colid, 20, 0, 1)
-            elif varlist != None and vallist != None:
+            elif varlist and vallist:
                 for line in range(0, row):
                     self.line_widgets[varlist[line]] = self.text2label(varlist[line], vallist[line])
                     self.table.attach(self.line_widgets[varlist[line]], colid, 20, line, line + 1)
 
             # pack the button on the right
-            if button != None:
+            if button:
                 self.hbox.pack_end(button, expand=False, fill=False)
 
         def update_line_widgets(self, variable, value):

bitbake/lib/bb/ui/crumbs/runningbuild.py

@@ -43,7 +43,7 @@ class RunningBuildModel (gtk.TreeStore):
 
     def config_model_filter(self, model, it):
         msg = model.get(it, self.COL_MESSAGE)[0]
-        if msg == None or type(msg) != str:
+        if not msg or type(msg) != str:
             return False
         if msg.startswith("\nOE Build Configuration:\n"):
             return True
@@ -51,7 +51,7 @@ class RunningBuildModel (gtk.TreeStore):
 
     def failure_model_filter(self, model, it):
         color = model.get(it, self.COL_COLOR)[0]
-        if color == None:
+        if not color:
             return False
         if color == HobColors.ERROR:
             return True