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>

1 files changed, 5 insertions, 5 deletions

diff --git a/BaseTools/Source/Python/AutoGen/BuildEngine.py b/BaseTools/Source/Python/AutoGen/BuildEngine.py
index 63ed47d94b..0daed7da61 100644
--- a/BaseTools/Source/Python/AutoGen/BuildEngine.py
+++ b/BaseTools/Source/Python/AutoGen/BuildEngine.py
@@ -346,12 +346,12 @@ class BuildRule:
     def __init__(self, File=None, Content=None, LineIndex=0, SupportedFamily=["MSFT", "INTEL", "GCC", "RVCT"]):

         self.RuleFile = File

         # Read build rules from file if it's not none

-        if File != None:

+        if File is not None:

             try:

                 self.RuleContent = open(File, 'r').readlines()

             except:

                 EdkLogger.error("build", FILE_OPEN_FAILURE, ExtraData=File)

-        elif Content != None:

+        elif Content is not None:

             self.RuleContent = Content

         else:

             EdkLogger.error("build", PARAMETER_MISSING, ExtraData="No rule file or string given")

@@ -478,7 +478,7 @@ class BuildRule:
                     EdkLogger.error("build", FORMAT_INVALID, "No file type given",

                                     File=self.RuleFile, Line=LineIndex + 1,

                                     ExtraData=self.RuleContent[LineIndex])

-                if self._FileTypePattern.match(FileType) == None:

+                if self._FileTypePattern.match(FileType) is None:

                     EdkLogger.error("build", FORMAT_INVALID, File=self.RuleFile, Line=LineIndex + 1,

                                     ExtraData="Only character, number (non-first character), '_' and '-' are allowed in file type")

             # new format: File-Type.Build-Type.Arch

@@ -561,7 +561,7 @@ class BuildRule:
         FileList = [File.strip() for File in self.RuleContent[LineIndex].split(",")]

         for ToolChainFamily in self._FamilyList:

             InputFiles = self._RuleInfo[ToolChainFamily, self._State]

-            if InputFiles == None:

+            if InputFiles is None:

                 InputFiles = []

                 self._RuleInfo[ToolChainFamily, self._State] = InputFiles

             InputFiles.extend(FileList)

@@ -573,7 +573,7 @@ class BuildRule:
     def ParseCommon(self, LineIndex):

         for ToolChainFamily in self._FamilyList:

             Items = self._RuleInfo[ToolChainFamily, self._State]

-            if Items == None:

+            if Items is None:

                 Items = []

                 self._RuleInfo[ToolChainFamily, self._State] = Items

             Items.append(self.RuleContent[LineIndex])