python-3.6.zip added from Github

README.cosmo contains the necessary links.

third_party/python/Include/osdefs.h

@@ -0,0 +1,47 @@
+#ifndef Py_OSDEFS_H
+#define Py_OSDEFS_H
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/* Operating system dependencies */
+
+#ifdef MS_WINDOWS
+#define SEP L'\\'
+#define ALTSEP L'/'
+#define MAXPATHLEN 256
+#define DELIM L';'
+#endif
+
+/* Filename separator */
+#ifndef SEP
+#define SEP L'/'
+#endif
+
+/* Max pathname length */
+#ifdef __hpux
+#include <sys/param.h>
+#include <limits.h>
+#ifndef PATH_MAX
+#define PATH_MAX MAXPATHLEN
+#endif
+#endif
+
+#ifndef MAXPATHLEN
+#if defined(PATH_MAX) && PATH_MAX > 1024
+#define MAXPATHLEN PATH_MAX
+#else
+#define MAXPATHLEN 1024
+#endif
+#endif
+
+/* Search path entry delimiter */
+#ifndef DELIM
+#define DELIM L':'
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* !Py_OSDEFS_H */