BaseTools: Remove equality operator with None

replace "== None" with "is None" and "!= None" with "is not None"

Cc: Yonghong Zhu <yonghong.zhu@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jaben Carsey <jaben.carsey@intel.com>
Reviewed-by: Yonghong Zhu <yonghong.zhu@intel.com>

BaseTools/Scripts/PackageDocumentTools/plugins/EdkPlugins/basemodel/doxygen.py

@@ -58,7 +58,7 @@ class Page(BaseDoxygeItem):
         return subpage
 
     def AddPages(self, pageArray):
-        if pageArray == None:
+        if pageArray is None:
             return
         for page in pageArray:
             self.AddPage(page)
@@ -370,7 +370,7 @@ class DoxygenConfigFile:
         self.mWarningFile = str.replace('\\', '/')
 
     def FileExists(self, path):
-        if path == None:
+        if path is None:
             return False
         if len(path) == 0:
             return False
@@ -382,7 +382,7 @@ class DoxygenConfigFile:
         return False
 
     def AddFile(self, path):
-        if path == None:
+        if path is None:
             return
 
         if len(path) == 0:

BaseTools/Scripts/PackageDocumentTools/plugins/EdkPlugins/basemodel/efibinary.py

@@ -553,7 +553,7 @@ class EfiFvMapFile(object):
             if line[0] != ' ':
                 # new entry
                 ret = rMapEntry.match(line)
-                if ret != None:
+                if ret is not None:
                     name     = ret.groups()[0]
                     baseaddr = int(ret.groups()[1], 16)
                     entry    = int(ret.groups()[2], 16)

BaseTools/Scripts/PackageDocumentTools/plugins/EdkPlugins/basemodel/ini.py

@@ -34,7 +34,7 @@ class BaseINIFile(object):
         if key not in cls._objs.keys():
             cls._objs[key] = object.__new__(cls, *args, **kwargs)
 
-        if parent != None:
+        if parent is not None:
             cls._objs[key].AddParent(parent)
 
         return cls._objs[key]
@@ -47,7 +47,7 @@ class BaseINIFile(object):
         self._isModify = True
 
     def AddParent(self, parent):
-        if parent == None: return
+        if parent is None: return
         if not hasattr(self, "_parents"):
             self._parents = []
 
@@ -122,7 +122,7 @@ class BaseINIFile(object):
                 continue
 
             m = section_re.match(templine)
-            if m!= None: # found a section
+            if mis not None: # found a section
                 inGlobal = False
                 # Finish the latest section first
                 if len(sObjs) != 0:
@@ -165,7 +165,7 @@ class BaseINIFile(object):
     def Destroy(self, parent):
 
         # check referenced parent
-        if parent != None:
+        if parent is not None:
             assert parent in self._parents, "when destory ini object, can not found parent reference!"
             self._parents.remove(parent)
 
@@ -307,7 +307,7 @@ class BaseINISection(object):
                 visit += 1
                 continue
             line = line.split('#')[0].strip()
-            if iniObj != None:
+            if iniObj is not None:
                 if line.endswith('}'):
                     iniObj._end = visit - self._start
                     if not iniObj.Parse():

BaseTools/Scripts/PackageDocumentTools/plugins/EdkPlugins/basemodel/message.py

@@ -35,14 +35,14 @@ def WarnMsg(mess, fName=None, fNo=None):
 def NormalMessage(type, mess, fName=None, fNo=None):
     strMsg = type
 
-    if fName != None:
+    if fName is not None:
         strMsg += ' %s' % fName.replace('/', '\\')
-        if fNo != None:
+        if fNo is not None:
             strMsg += '(%d):' % fNo
         else:
             strMsg += ' :'
 
-    if fName == None and fNo == None:
+    if fName is None and fNo is None:
         strMsg += ' '
     strMsg += mess