python-3.6.zip added from Github

README.cosmo contains the necessary links.

third_party/python/Mac/BuildScript/resources/install_certificates.command

@@ -0,0 +1,48 @@
+#!/bin/sh
+
+/Library/Frameworks/Python.framework/Versions/@PYVER@/bin/python@PYVER@ << "EOF"
+
+# install_certifi.py
+#
+# sample script to install or update a set of default Root Certificates
+# for the ssl module.  Uses the certificates provided by the certifi package:
+#       https://pypi.org/project/certifi/
+
+import os
+import os.path
+import ssl
+import stat
+import subprocess
+import sys
+
+STAT_0o775 = ( stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR
+             | stat.S_IRGRP | stat.S_IWGRP | stat.S_IXGRP
+             | stat.S_IROTH |                stat.S_IXOTH )
+
+def main():
+    openssl_dir, openssl_cafile = os.path.split(
+        ssl.get_default_verify_paths().openssl_cafile)
+
+    print(" -- pip install --upgrade certifi")
+    subprocess.check_call([sys.executable,
+        "-E", "-s", "-m", "pip", "install", "--upgrade", "certifi"])
+
+    import certifi
+
+    # change working directory to the default SSL directory
+    os.chdir(openssl_dir)
+    relpath_to_certifi_cafile = os.path.relpath(certifi.where())
+    print(" -- removing any existing file or link")
+    try:
+        os.remove(openssl_cafile)
+    except FileNotFoundError:
+        pass
+    print(" -- creating symlink to certifi certificate bundle")
+    os.symlink(relpath_to_certifi_cafile, openssl_cafile)
+    print(" -- setting permissions")
+    os.chmod(openssl_cafile, STAT_0o775)
+    print(" -- update complete")
+
+if __name__ == '__main__':
+    main()
+EOF