BaseTools: Remove equality operator with None

[mirror_edk2.git] / BaseTools / Source / Python / Common / VpdInfoFile.py

diff --git a/BaseTools/Source/Python/Common/VpdInfoFile.py b/BaseTools/Source/Python/Common/VpdInfoFile.py
index 716155e96d29106dd9eddcee2c4027ee68a38e37..b1baf06b9ccd40a4f86b14965b271df980afd7b3 100644 (file)
--- a/BaseTools/Source/Python/Common/VpdInfoFile.py
+++ b/BaseTools/Source/Python/Common/VpdInfoFile.py
@@ -89,7 +89,7 @@ class VpdInfoFile:
     #  @param offset integer value for VPD's offset in specific SKU.\r
     #\r
     def Add(self, Vpd, skuname,Offset):\r
-        if (Vpd == None):\r
+        if (Vpd is None):\r
             EdkLogger.error("VpdInfoFile", BuildToolError.ATTRIBUTE_UNKNOWN_ERROR, "Invalid VPD PCD entry.")\r
         \r
         if not (Offset >= 0 or Offset == "*"):\r
@@ -100,7 +100,7 @@ class VpdInfoFile:
                 EdkLogger.error("VpdInfoFile", BuildToolError.PARAMETER_INVALID, \r
                                 "Invalid max datum size for VPD PCD %s.%s" % (Vpd.TokenSpaceGuidCName, Vpd.TokenCName))\r
         elif Vpd.DatumType in ["BOOLEAN", "UINT8", "UINT16", "UINT32", "UINT64"]: \r
-            if Vpd.MaxDatumSize == None or Vpd.MaxDatumSize == "":\r
+            if Vpd.MaxDatumSize is None or Vpd.MaxDatumSize == "":\r
                 Vpd.MaxDatumSize = VpdInfoFile._MAX_SIZE_TYPE[Vpd.DatumType]\r
         else:\r
             if Vpd.MaxDatumSize <= 0:\r
@@ -122,7 +122,7 @@ class VpdInfoFile:
     #  If \r
     #  @param FilePath        The given file path which would hold VPD information\r
     def Write(self, FilePath):\r
-        if not (FilePath != None or len(FilePath) != 0):\r
+        if not (FilePath is not None or len(FilePath) != 0):\r
             EdkLogger.error("VpdInfoFile", BuildToolError.PARAMETER_INVALID,  \r
                             "Invalid parameter FilePath: %s." % FilePath)        \r
 \r
@@ -227,8 +227,8 @@ class VpdInfoFile:
 #  @param VpdFileName   The string path name for VPD information guid.txt\r
 # \r
 def CallExtenalBPDGTool(ToolPath, VpdFileName):\r
-    assert ToolPath != None, "Invalid parameter ToolPath"\r
-    assert VpdFileName != None and os.path.exists(VpdFileName), "Invalid parameter VpdFileName"\r
+    assert ToolPath is not None, "Invalid parameter ToolPath"\r
+    assert VpdFileName is not None and os.path.exists(VpdFileName), "Invalid parameter VpdFileName"\r
     \r
     OutputDir = os.path.dirname(VpdFileName)\r
     FileName = os.path.basename(VpdFileName)\r
@@ -250,7 +250,7 @@ def CallExtenalBPDGTool(ToolPath, VpdFileName):
         EdkLogger.error("BPDG", BuildToolError.COMMAND_FAILURE, ExtraData="%s" % (str(X)))\r
     (out, error) = PopenObject.communicate()\r
     print out\r
-    while PopenObject.returncode == None :\r
+    while PopenObject.returncode is None :\r
         PopenObject.wait()\r
     \r
     if PopenObject.returncode != 0:\r