python-3.6.zip added from Github

README.cosmo contains the necessary links.

third_party/python/Tools/scripts/serve.py

@@ -0,0 +1,35 @@
+#!/usr/bin/env python3
+'''
+Small wsgiref based web server. Takes a path to serve from and an
+optional port number (defaults to 8000), then tries to serve files.
+Mime types are guessed from the file names, 404 errors are raised
+if the file is not found. Used for the make serve target in Doc.
+'''
+import sys
+import os
+import mimetypes
+from wsgiref import simple_server, util
+
+def app(environ, respond):
+
+    fn = os.path.join(path, environ['PATH_INFO'][1:])
+    if '.' not in fn.split(os.path.sep)[-1]:
+        fn = os.path.join(fn, 'index.html')
+    type = mimetypes.guess_type(fn)[0]
+
+    if os.path.exists(fn):
+        respond('200 OK', [('Content-Type', type)])
+        return util.FileWrapper(open(fn, "rb"))
+    else:
+        respond('404 Not Found', [('Content-Type', 'text/plain')])
+        return [b'not found']
+
+if __name__ == '__main__':
+    path = sys.argv[1]
+    port = int(sys.argv[2]) if len(sys.argv) > 2 else 8000
+    httpd = simple_server.make_server('', port, app)
+    print("Serving {} on port {}, control-C to stop".format(path, port))
+    try:
+        httpd.serve_forever()
+    except KeyboardInterrupt:
+        print("\b\bShutting down.")