python-3.6.zip added from Github

README.cosmo contains the necessary links.

third_party/python/Tools/scripts/win_add2path.py

@@ -0,0 +1,58 @@
+"""Add Python to the search path on Windows
+
+This is a simple script to add Python to the Windows search path. It
+modifies the current user (HKCU) tree of the registry.
+
+Copyright (c) 2008 by Christian Heimes <christian@cheimes.de>
+Licensed to PSF under a Contributor Agreement.
+"""
+
+import sys
+import site
+import os
+import winreg
+
+HKCU = winreg.HKEY_CURRENT_USER
+ENV = "Environment"
+PATH = "PATH"
+DEFAULT = "%PATH%"
+
+def modify():
+    pythonpath = os.path.dirname(os.path.normpath(sys.executable))
+    scripts = os.path.join(pythonpath, "Scripts")
+    appdata = os.environ["APPDATA"]
+    if hasattr(site, "USER_SITE"):
+        usersite = site.USER_SITE.replace(appdata, "%APPDATA%")
+        userpath = os.path.dirname(usersite)
+        userscripts = os.path.join(userpath, "Scripts")
+    else:
+        userscripts = None
+
+    with winreg.CreateKey(HKCU, ENV) as key:
+        try:
+            envpath = winreg.QueryValueEx(key, PATH)[0]
+        except OSError:
+            envpath = DEFAULT
+
+        paths = [envpath]
+        for path in (pythonpath, scripts, userscripts):
+            if path and path not in envpath and os.path.isdir(path):
+                paths.append(path)
+
+        envpath = os.pathsep.join(paths)
+        winreg.SetValueEx(key, PATH, 0, winreg.REG_EXPAND_SZ, envpath)
+        return paths, envpath
+
+def main():
+    paths, envpath = modify()
+    if len(paths) > 1:
+        print("Path(s) added:")
+        print('\n'.join(paths[1:]))
+    else:
+        print("No path was added")
+    print("\nPATH is now:\n%s\n" % envpath)
+    print("Expanded:")
+    print(winreg.ExpandEnvironmentStrings(envpath))
+
+if __name__ == '__main__':
+    main()