diff --git a/Misc/NEWS.d/next/Build/2021-03-31-19-50-01.bpo-43567.vd0a-p.rst b/Misc/NEWS.d/next/Build/2021-03-31-19-50-01.bpo-43567.vd0a-p.rst
new file mode 100644
index 00000000000..062662f6bce
--- /dev/null
+++ b/Misc/NEWS.d/next/Build/2021-03-31-19-50-01.bpo-43567.vd0a-p.rst
@@ -0,0 +1 @@
+Improved generated code refresh (AST/tokens/opcodes/keywords) on Windows.
diff --git a/PCbuild/_freeze_importlib.vcxproj b/PCbuild/_freeze_importlib.vcxproj
index a0fe49c464d..52d8f1a64bb 100644
--- a/PCbuild/_freeze_importlib.vcxproj
+++ b/PCbuild/_freeze_importlib.vcxproj
@@ -140,10 +140,12 @@
           Condition="!Exists(%(None.OutFile)) or (Exists(%(None.IntFile)) and '$([System.IO.File]::ReadAllText(%(None.OutFile)).Replace(`
`, `
`))' != '$([System.IO.File]::ReadAllText(%(None.IntFile)).Replace(`
`, `
`))')">
       <Output TaskParameter="CopiedFiles" ItemName="_Updated" />
     </Copy>
-    
-    <Warning Text="@(_Updated->'%(Filename)%(Extension)',', ') updated. You will need to rebuild pythoncore to see the changes.%0D%0A%0D%0AIf you are not developing on Windows but you see this error on a continuous integration build, you need to run 'make regen-all' and commit any changes."
+
+    <Message Text="Updated files: @(_Updated->'%(Filename)%(Extension)',', ')"
+             Condition="'@(_Updated)' != ''" Importance="high" />
+    <Warning Text="Frozen importlib files were updated. Please rebuild to pick up the changes.%0D%0A%0D%0AIf you are not developing on Windows but you see this error on a continuous integration build, please run 'make regen-all' and commit anything that changes."
              Condition="'@(_Updated)' != '' and $(Configuration) == 'Debug'" />
-    <Error Text="@(_Updated->'%(Filename)%(Extension)',', ') updated. You will need to rebuild pythoncore to see the changes.%0D%0A%0D%0AIf you are not developing on Windows but you see this error on a continuous integration build, you need to run 'make regen-all' and commit any changes."
+    <Error Text="Frozen importlib files were updated. Please rebuild to pick up the changes.%0D%0A%0D%0AIf you are not developing on Windows but you see this error on a continuous integration build, please run 'make regen-all' and commit anything that changes."
            Condition="'@(_Updated)' != '' and $(Configuration) == 'Release'" />
   </Target>
   <Target Name="RebuildImportLib" AfterTargets="AfterBuild" Condition="$(Configuration) == 'Debug' or $(Configuration) == 'Release'"
diff --git a/PCbuild/build.bat b/PCbuild/build.bat
index 5a41ca57b12..d333ceabd2e 100644
--- a/PCbuild/build.bat
+++ b/PCbuild/build.bat
@@ -34,7 +34,7 @@ echo.      automatically by the pythoncore project)
 echo.  --pgo          Build with Profile-Guided Optimization.  This flag
 echo.                 overrides -c and -d
 echo.  --test-marker  Enable the test marker within the build.
-echo.  --regen        Regenerate all opcodes, grammar and tokens
+echo.  --regen        Regenerate all opcodes, grammar and tokens.
 echo.
 echo.Available flags to avoid building certain modules.
 echo.These flags have no effect if '-e' is not given:
@@ -116,8 +116,14 @@ rem Setup the environment
 call "%dir%find_msbuild.bat" %MSBUILD%
 if ERRORLEVEL 1 (echo Cannot locate MSBuild.exe on PATH or as MSBUILD variable & exit /b 2)
 
+call "%dir%find_python.bat" %PYTHON%
+if ERRORLEVEL 1 (echo Cannot locate python.exe on PATH or as PYTHON variable & exit /b 3)
+set PythonForBuild=%PYTHON%
+
 if "%kill%"=="true" call :Kill
-if ERRORLEVEL 1 exit /B 3
+if ERRORLEVEL 1 exit /B %ERRORLEVEL%
+
+if "%regen%"=="true" goto :Regen
 
 if "%do_pgo%"=="true" (
     set conf=PGInstrument
@@ -147,6 +153,15 @@ echo on
 @echo off
 exit /B %ERRORLEVEL%
 
+:Regen
+echo on
+%MSBUILD% "%dir%\pythoncore.vcxproj" /t:Regen %verbose%^
+ /p:Configuration=%conf% /p:Platform=%platf%^
+ /p:ForceRegen=true
+
+@echo off
+exit /B %ERRORLEVEL%
+
 :Build
 rem Call on MSBuild to do the work, echo the command.
 rem Passing %1-9 is not the preferred option, but argument parsing in
@@ -160,14 +175,6 @@ echo on
  /p:UseTestMarker=%UseTestMarker% %GITProperty%^
  %1 %2 %3 %4 %5 %6 %7 %8 %9
 
-@if not ERRORLEVEL 1 @if "%Regen%"=="true" (
-    %MSBUILD% "%dir%regen.vcxproj" /t:%target% %parallel% %verbose%^
-     /p:IncludeExternals=%IncludeExternals%^
-     /p:Configuration=%conf% /p:Platform=%platf%^
-     /p:UseTestMarker=%UseTestMarker% %GITProperty%^
-     %1 %2 %3 %4 %5 %6 %7 %8 %9
-)
-
 @echo off
 exit /b %ERRORLEVEL%
 
diff --git a/PCbuild/pythoncore.vcxproj b/PCbuild/pythoncore.vcxproj
index 81ac2360cb8..2c1cc0d4cc8 100644
--- a/PCbuild/pythoncore.vcxproj
+++ b/PCbuild/pythoncore.vcxproj
@@ -513,7 +513,9 @@
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">
+    <Import Project="regen.targets" />
   </ImportGroup>
+  <Target Name="_TriggerRegen" BeforeTargets="PrepareForBuild" DependsOnTargets="Regen" />
   <Target Name="_GetBuildInfo" BeforeTargets="PrepareForBuild">
     <PropertyGroup>
       <GIT Condition="$(GIT) == ''">git</GIT>
diff --git a/PCbuild/regen.targets b/PCbuild/regen.targets
new file mode 100644
index 00000000000..4d386cfa5f3
--- /dev/null
+++ b/PCbuild/regen.targets
@@ -0,0 +1,84 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <Target Name="_SetPythonForBuild">
+    <PropertyGroup>
+      <PythonForBuild>$(PYTHON)</PythonForBuild>
+    </PropertyGroup>
+  </Target>
+
+  <ItemGroup>
+    <_PegenSources Include="$(PySourcePath)Grammar\python.gram;$(PySourcePath)Grammar\Tokens" />
+    <_PegenOutputs Include="$(PySourcePath)Parser\parser.c" />
+    <_ASTSources Include="$(PySourcePath)Parser\Python.asdl" />
+    <_ASTOutputs Include="$(PySourcePath)Include\internal\pycore_ast.h">
+      <Argument>-H</Argument>
+    </_ASTOutputs>
+    <_ASTOutputs Include="$(PySourcePath)Include\internal\pycore_ast_state.h">
+      <Argument>-I</Argument>
+    </_ASTOutputs>
+    <_ASTOutputs Include="$(PySourcePath)Python\Python-ast.c">
+      <Argument>-C</Argument>
+    </_ASTOutputs>
+    <_OpcodeSources Include="$(PySourcePath)Tools\scripts\generate_opcode_h.py;$(PySourcePath)Lib\opcode.py" />
+    <_OpcodeOutputs Include="$(PySourcePath)Include\opcode.h;$(PySourcePath)Python\opcode_targets.h" />
+    <_TokenSources Include="$(PySourcePath)Grammar\Tokens" />
+    <_TokenOutputs Include="$(PySourcePath)Doc\library\token-list.inc">
+      <Format>rst</Format>
+    </_TokenOutputs>
+    <_TokenOutputs Include="$(PySourcePath)Include\token.h">
+      <Format>h</Format>
+    </_TokenOutputs>
+    <_TokenOutputs Include="$(PySourcePath)Parser\token.c">
+      <Format>c</Format>
+    </_TokenOutputs>
+    <_TokenOutputs Include="$(PySourcePath)Lib\token.py">
+      <Format>py</Format>
+    </_TokenOutputs>
+    <_KeywordSources Include="$(PySourcePath)Grammar\python.gram;$(PySourcePath)Grammar\Tokens" />
+    <_KeywordOutputs Include="$(PySourcePath)Lib\keyword.py" />
+  </ItemGroup>
+
+  <Target Name="_TouchRegenSources" Condition="$(ForceRegen) == 'true'">
+    <Message Text="Touching source files to force regeneration" Importance="high" />
+    <Touch Files="@(_PegenSources);@(_ASTSources);@(_OpcodeSources);@(_TokenSources);@(_KeywordOutputs)"
+           AlwaysCreate="False" />
+  </Target>
+
+  <Target Name="_RegenPegen" Inputs="@(_PegenSources)" Outputs="@(_PegenOutputs)">
+    <Message Text="Regenerate @(_PegenOutputs->'%(Filename)%(Extension)',' ')" Importance="high" />
+    <!-- Specify python.gram with POSIX-like path because the argument gets written into the file verbatim -->
+    <Exec Command="set PYTHONPATH=Tools\peg_generator%0D%0A$(PythonForBuild) -m pegen -q c ./Grammar/python.gram Grammar\Tokens -o Parser\parser.c"
+          WorkingDirectory="$(PySourcePath)" />
+  </Target>
+
+  <Target Name="_RegenAST_H" Inputs="@(_ASTSources)" Outputs="@(_ASTOutputs)">
+    <Message Text="Regenerate @(_ASTOutputs->'%(Filename)%(Extension)',' ')" Importance="high" />
+    <Exec Command="$(PythonForBuild) Parser\asdl_c.py Parser\Python.asdl @(_ASTOutputs->'%(Argument) &quot;%(Identity)&quot;',' ')"
+          WorkingDirectory="$(PySourcePath)" />
+  </Target>
+
+  <Target Name="_RegenOpcodes" Inputs="@(_OpcodeSources)" Outputs="@(_OpcodeOutputs)">
+    <Message Text="Regenerate @(_OpcodeOutputs->'%(Filename)%(Extension)',' ')" Importance="high" />
+    <Exec Command="$(PythonForBuild) Tools\scripts\generate_opcode_h.py Lib\opcode.py Include\opcode.h"
+          WorkingDirectory="$(PySourcePath)" />
+    <Exec Command="$(PythonForBuild) Python\makeopcodetargets.py Python\opcode_targets.h"
+          WorkingDirectory="$(PySourcePath)" />
+  </Target>
+
+  <Target Name="_RegenTokens" Inputs="@(_TokenSources)" Outputs="@(_TokenOutputs)">
+    <Message Text="Regenerate @(_TokenOutputs->'%(Filename)%(Extension)',' ')" Importance="high" />
+    <Exec Command="$(PythonForBuild) Tools\scripts\generate_token.py %(_TokenOutputs.Format) Grammar\Tokens &quot;%(_TokenOutputs.Identity)&quot;"
+          WorkingDirectory="$(PySourcePath)" />
+    <Touch Files="@(_TokenOutputs)" />
+  </Target>
+
+  <Target Name="_RegenKeywords" Inputs="@(_KeywordSources)" Outputs="@(_KeywordOutputs)">
+    <Message Text="Regenerate @(KeywordOutputs->'%(Filename)%(Extension)',' ')" Importance="high" />
+    <Exec Command="set PYTHONPATH=Tools\peg_generator%0D%0A$(PythonForBuild) -m pegen.keywordgen Grammar\python.gram Grammar\Tokens Lib\keyword.py"
+          WorkingDirectory="$(PySourcePath)" />
+  </Target>
+  
+  <Target Name="Regen" DependsOnTargets="_TouchRegenSources;_RegenPegen;_RegenAST_H;_RegenOpcodes;_RegenTokens;_RegenKeywords">
+    <Message Text="Generated sources are up to date" Importance="high" />
+  </Target>
+</Project>
diff --git a/PCbuild/regen.vcxproj b/PCbuild/regen.vcxproj
deleted file mode 100644
index ef355a21820..00000000000
--- a/PCbuild/regen.vcxproj
+++ /dev/null
@@ -1,215 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <ItemGroup Label="ProjectConfigurations">
-    <ProjectConfiguration Include="Debug|ARM">
-      <Configuration>Debug</Configuration>
-      <Platform>ARM</Platform>
-    </ProjectConfiguration>
-    <ProjectConfiguration Include="Debug|Win32">
-      <Configuration>Debug</Configuration>
-      <Platform>Win32</Platform>
-    </ProjectConfiguration>
-    <ProjectConfiguration Include="Debug|x64">
-      <Configuration>Debug</Configuration>
-      <Platform>x64</Platform>
-    </ProjectConfiguration>
-    <ProjectConfiguration Include="PGInstrument|ARM">
-      <Configuration>PGInstrument</Configuration>
-      <Platform>ARM</Platform>
-    </ProjectConfiguration>
-    <ProjectConfiguration Include="PGInstrument|Win32">
-      <Configuration>PGInstrument</Configuration>
-      <Platform>Win32</Platform>
-    </ProjectConfiguration>
-    <ProjectConfiguration Include="PGInstrument|x64">
-      <Configuration>PGInstrument</Configuration>
-      <Platform>x64</Platform>
-    </ProjectConfiguration>
-    <ProjectConfiguration Include="PGUpdate|ARM">
-      <Configuration>PGUpdate</Configuration>
-      <Platform>ARM</Platform>
-    </ProjectConfiguration>
-    <ProjectConfiguration Include="PGUpdate|Win32">
-      <Configuration>PGUpdate</Configuration>
-      <Platform>Win32</Platform>
-    </ProjectConfiguration>
-    <ProjectConfiguration Include="PGUpdate|x64">
-      <Configuration>PGUpdate</Configuration>
-      <Platform>x64</Platform>
-    </ProjectConfiguration>
-    <ProjectConfiguration Include="Release|ARM">
-      <Configuration>Release</Configuration>
-      <Platform>ARM</Platform>
-    </ProjectConfiguration>
-    <ProjectConfiguration Include="Release|Win32">
-      <Configuration>Release</Configuration>
-      <Platform>Win32</Platform>
-    </ProjectConfiguration>
-    <ProjectConfiguration Include="Release|x64">
-      <Configuration>Release</Configuration>
-      <Platform>x64</Platform>
-    </ProjectConfiguration>
-  </ItemGroup>
-  <PropertyGroup Label="Globals">
-    <ProjectGuid>{21CF2108-2CC9-4005-A6ED-B7965ADE3854}</ProjectGuid>
-    <Keyword>Win32Proj</Keyword>
-    <RootNamespace>regen</RootNamespace>
-    <SupportPGO>false</SupportPGO>
-    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
-  </PropertyGroup>
-  <Import Project="python.props" />
-  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
-  <PropertyGroup Label="Configuration">
-    <ConfigurationType>Utility</ConfigurationType>
-    <CharacterSet>Unicode</CharacterSet>
-  </PropertyGroup>
-  <PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <PlatformToolset>v142</PlatformToolset>
-  </PropertyGroup>
-  <PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='Debug|ARM'">
-    <PlatformToolset>v142</PlatformToolset>
-  </PropertyGroup>
-  <PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <PlatformToolset>v142</PlatformToolset>
-  </PropertyGroup>
-  <PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-    <PlatformToolset>v142</PlatformToolset>
-  </PropertyGroup>
-  <PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='Release|ARM'">
-    <PlatformToolset>v142</PlatformToolset>
-  </PropertyGroup>
-  <PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
-    <PlatformToolset>v142</PlatformToolset>
-  </PropertyGroup>
-  <PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='PGUpdate|x64'">
-    <PlatformToolset>v142</PlatformToolset>
-  </PropertyGroup>
-  <PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='PGUpdate|ARM'">
-    <PlatformToolset>v142</PlatformToolset>
-  </PropertyGroup>
-  <PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='PGUpdate|Win32'">
-    <PlatformToolset>v142</PlatformToolset>
-  </PropertyGroup>
-  <PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='PGInstrument|ARM'">
-    <PlatformToolset>v142</PlatformToolset>
-  </PropertyGroup>
-  <PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='PGInstrument|x64'">
-    <PlatformToolset>v142</PlatformToolset>
-  </PropertyGroup>
-  <PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='PGInstrument|Win32'">
-    <PlatformToolset>v142</PlatformToolset>
-  </PropertyGroup>
-  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
-  <ImportGroup Label="ExtensionSettings">
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-    <Import Project="pyproject.props" />
-  </ImportGroup>
-  <PropertyGroup Label="UserMacros" />
-  <ItemDefinitionGroup>
-    <ClCompile>
-      <PreprocessorDefinitions>_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-    </ClCompile>
-    <Link>
-      <SubSystem>Console</SubSystem>
-    </Link>
-  </ItemDefinitionGroup>
-  <ItemGroup>
-    <ClCompile Include="..\Programs\_freeze_importlib.c" />
-  </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="pythoncore.vcxproj">
-      <Project>{cf7ac3d1-e2df-41d2-bea6-1e2556cdea26}</Project>
-      <Private>true</Private>
-      <ReferenceOutputAssembly>true</ReferenceOutputAssembly>
-      <CopyLocalSatelliteAssemblies>false</CopyLocalSatelliteAssemblies>
-      <LinkLibraryDependencies>true</LinkLibraryDependencies>
-      <UseLibraryDependencyInputs>false</UseLibraryDependencyInputs>
-    </ProjectReference>
-  </ItemGroup>
-  <ItemGroup>
-    <None Include="..\Grammar\Grammar">
-    </None>
-    <None Include="..\Grammar\Tokens">
-    </None>
-    <None Include="..\Include\token.h">
-    </None>
-    <None Include="..\Include\opcode.h">
-    </None>
-    <None Include="..\Include\internal\pycore_ast_state.h">
-    </None>
-    <None Include="..\Include\internal\pycore_ast.h">
-    </None>
-    <None Include="..\Python\Python-ast.c">
-    </None>
-    <None Include="..\Lib\keyword.py">
-    </None>
-    <None Include="..\Lib\symbol.py">
-    </None>
-    <None Include="..\Doc\library\token-list.inc">
-    </None>
-  </ItemGroup>
-  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
-  <ImportGroup Label="ExtensionTargets">
-  </ImportGroup>
-  <Target Name="_RegenPegen" BeforeTargets="Build">
-    <!-- Regenerate Parser/parser.c -->
-    <SetEnv Name="PYTHONPATH" Prefix="true" Value="$(PySourcePath)Tools\peg_generator\" />
-    <Exec Command="&quot;$(PythonExe)&quot; -m pegen -q c &quot;$(PySourcePath)Grammar\python.gram&quot; &quot;$(PySourcePath)Grammar\Tokens&quot; -o &quot;$(IntDir)parser.c&quot;" />
-    <Copy SourceFiles="$(IntDir)parser.c" DestinationFiles="$(PySourcePath)Parser\parser.c">
-      <Output TaskParameter="CopiedFiles" ItemName="_UpdatedParse" />
-    </Copy>
-    <Warning Text="Pegen updated. You will need to rebuild pythoncore to see the changes." Condition="'@(_UpdatedParse)' != ''" />
-  </Target>
-  <Target Name="_RegenAST_H" AfterTargets="_RegenGrammar">
-    <!-- Regenerate Include/internal/pycore_ast.h, Python/Python-ast.c and Include/internal/pycore_ast_state.h using Parser/asdl_c.py -h -->
-    <Exec Command="&quot;$(PythonExe)&quot; &quot;$(PySourcePath)Parser\asdl_c.py&quot; &quot;$(PySourcePath)Parser\Python.asdl&quot; -H &quot;$(IntDir)pycore_ast.h&quot; -C &quot;$(IntDir)Python-ast.c&quot; -I &quot;$(IntDir)pycore_ast_state.h&quot;" />
-    <Copy SourceFiles="$(IntDir)pycore_ast.h" DestinationFiles="$(PySourcePath)Include\internal\pycore_ast.h">
-      <Output TaskParameter="CopiedFiles" ItemName="_UpdatedH" />
-    </Copy>
-    <Copy SourceFiles="$(IntDir)Python-ast.c" DestinationFiles="$(PySourcePath)Python\Python-ast.c">
-      <Output TaskParameter="CopiedFiles" ItemName="_UpdatedC" />
-    </Copy>
-    <Copy SourceFiles="$(IntDir)pycore_ast_state.h" DestinationFiles="$(PySourcePath)Include\internal\pycore_ast_state.h">
-      <Output TaskParameter="CopiedFiles" ItemName="_UpdatedInternalH" />
-    </Copy>
-    <Warning Text="ASDL is updated. You will need to rebuild pythoncore to see the changes." Condition="'@(_UpdatedH)' != '' != '' and '@(_UpdatedC)' != '' and @(_UpdatedInternalH)'" />
-  </Target>
-  <Target Name="_RegenOpcodes" AfterTargets="_RegenAST_C">
-    <!-- Regenerate Include/opcode.h from Lib/opcode.py using Tools/scripts/generate_opcode_h.py-->
-    <Exec Command="&quot;$(PythonExe)&quot; $(PySourcePath)Tools\scripts\generate_opcode_h.py &quot;$(PySourcePath)Lib\opcode.py&quot; &quot;$(IntDir)opcode.h&quot;" />
-    <Copy SourceFiles="$(IntDir)opcode.h" DestinationFiles="$(PySourcePath)Include\opcode.h">
-      <Output TaskParameter="CopiedFiles" ItemName="_Updated" />
-    </Copy>
-    <Warning Text="Opcodes updated. You will need to rebuild pythoncore to see the changes." Condition="'@(_Updated)' != ''" />
-  </Target>
-  <Target Name="_RegenTokens" AfterTargets="_RegenOpcodes">
-    <!-- Regenerate Doc/library/token-list.inc from Grammar/Tokens using Tools/scripts/generate_token.py-->
-    <Exec Command="&quot;$(PythonExe)&quot; $(PySourcePath)Tools\scripts\generate_token.py rst &quot;$(PySourcePath)Grammar\Tokens&quot; &quot;$(PySourcePath)Doc\library\token-list.inc&quot;" />
-    <!-- Regenerate Include/token.h from Grammar/Tokens using Tools/scripts/generate_token.py-->
-    <Exec Command="&quot;$(PythonExe)&quot; $(PySourcePath)Tools\scripts\generate_token.py h &quot;$(PySourcePath)Grammar\Tokens&quot; &quot;$(PySourcePath)Include\token.h&quot;" />
-    <!-- Regenerate Parser/token.c from Grammar/Tokens using Tools/scripts/generate_token.py-->
-    <Exec Command="&quot;$(PythonExe)&quot; $(PySourcePath)Tools\scripts\generate_token.py c &quot;$(PySourcePath)Grammar\Tokens&quot; &quot;$(PySourcePath)Parser\token.c&quot;" />
-    <!-- Regenerate Lib/token.py from Grammar/Tokens using Tools/scripts/generate_token.py -->
-    <Exec Command="&quot;$(PythonExe)&quot; $(PySourcePath)Tools\scripts\generate_token.py py &quot;$(PySourcePath)Grammar\Tokens&quot; &quot;$(PySourcePath)Lib\token.py&quot;" />
-  </Target>
-  <Target Name="_RegenKeywords" AfterTargets="_RegenTokens">
-    <!-- Regenerate Lib/keyword.py from Grammar/python.gram and Grammar/Tokens using Tools/peg_generator/pegen-->
-    <SetEnv Name="PYTHONPATH" Prefix="true" Value="$(PySourcePath)Tools\peg_generator\" />
-    <Exec Command="&quot;$(PythonExe)&quot; -m pegen.keywordgen &quot;$(PySourcePath)Grammar\python.gram&quot; &quot;$(PySourcePath)Grammar\Tokens&quot; &quot;$(IntDir)keyword.py&quot;" />
-    <Copy SourceFiles="$(IntDir)keyword.py" DestinationFiles="$(PySourcePath)Lib\keyword.py">
-      <Output TaskParameter="CopiedFiles" ItemName="_Updated" />
-    </Copy>
-    <Warning Text="Keywords updated. You will need to rebuild pythoncore to see the changes." Condition="'@(_Updated)' != ''" />
-  </Target>
-  <Target Name="_CleanFiles" BeforeTargets="CoreClean">
-    <ItemGroup>
-      <Clean Include="$(IntDir)keyword.py" />
-      <Clean Include="$(IntDir)opcode.h" />
-      <Clean Include="$(IntDir)Python-ast.c" />
-      <Clean Include="$(IntDir)pycore_ast.h" />
-      <Clean Include="$(IntDir)pycore_ast_state.h" />
-    </ItemGroup>
-  </Target>
-</Project>