WIP Fixes for Windows

(cherry picked from commit 7bef9ca)

Author: timfel

graalpython/lib-graalpython/modules/standalone/app/graalpy.cmd

@@ -14,12 +14,9 @@ for /f "delims=" %%i in ('%JAVA% VTabCreator.java') do set VTAB=%%i
 del VTabCreator.java
 
 REM Store each argument separated by vtab
-for %%I in (%*) do call :sub %%I
-
-mvn -f "%~dp0"pom.xml exec:exec -Dexec.executable=java -Dexec.args="--module-path %%classpath -Dorg.graalvm.launcher.executablename=%0 --module org.graalvm.py.launcher/com.oracle.graal.python.shell.GraalPythonMain"
-
-goto :eof
-
-:sub
+:loop
 set GRAAL_PYTHON_ARGS=%GRAAL_PYTHON_ARGS%%VTAB%%~1
-goto :eof
+shift /1
+if not "%~1"=="" goto loop
+
+mvn -f "%~dp0pom.xml" exec:exec -Dexec.executable=java -Dexec.args="--module-path %%classpath -Dorg.graalvm.launcher.executablename=%~0 --module org.graalvm.py.launcher/com.oracle.graal.python.shell.GraalPythonMain"

graalpython/lib-python/3/venv/__init__.py

@@ -366,6 +366,7 @@ def setup_python(self, context):
                 base_exe = os.path.basename(context.env_exe)
                 suffixes.add(base_exe)
 
+            copier(context.executable, os.path.join(binpath, "graalpy.cmd"))
             for suffix in suffixes:
                 # Truffle change: we look in 'bin'
                 src = os.path.join(dirname, 'bin', suffix)

graalpython/lib-python/3/venv/scripts/nt/graalpy.cmd

@@ -0,0 +1,4 @@
+@echo off
+
+"<target>" "--python.Executable=%~0" %*
+exit /b %errorlevel%