Replace named_python.bat with named_python.py.

named_python.bat

@@ -1,12 +0,0 @@
-@echo off
-
-rem Because Python is interpreted, when you look at the task manager process
-rem list you'll see that every running python instance has the same name,
-rem python.exe. This scripts helps you name the executables so they stand out.
-rem For the time being this script doesn't automatically call your new exe,
-rem you have to write a second command to actually run it. Batch doesn't have a
-rem good way to pass "all arguments after %1" to the new program.
-
-set real=C:\Python\__latest\python.exe
-set named=C:\Python\__latest\python-%1.exe
-if not exist %named% (mklink /h %named% %real%) else (echo %named%)

named_python.py

@@ -0,0 +1,30 @@
+'''
+Because Python is interpreted, when you look at the task manager process list
+you'll see that every running python instance has the same name, python.exe.
+This scripts helps you name the executables so they stand out.
+
+For the time being this script doesn't automatically call your new exe, you
+have to write a second command to actually run it. I tried using
+subprocess.Popen to spawn the new python with the rest of argv but the behavior
+was different on Linux and Windows and neither was really clean.
+'''
+import os
+import sys
+
+from voussoirkit import pathclass
+from voussoirkit import winwhich
+
+def main(argv):
+    python = pathclass.Path(winwhich.which('python'))
+
+    name = argv[0].strip()
+
+    named_python = python.parent.with_child(f'python-{name}{python.extension.with_dot}')
+    if named_python.exists:
+        return 0
+
+    os.link(python.absolute_path, named_python.absolute_path)
+    return 0
+
+if __name__ == '__main__':
+    raise SystemExit(main(sys.argv[1:]))