python-3.6.zip added from Github

README.cosmo contains the necessary links.

third_party/python/Doc/includes/email-dir.py

@@ -0,0 +1,77 @@
+#!/usr/bin/env python3
+
+"""Send the contents of a directory as a MIME message."""
+
+import os
+import smtplib
+# For guessing MIME type based on file name extension
+import mimetypes
+
+from argparse import ArgumentParser
+
+from email.message import EmailMessage
+from email.policy import SMTP
+
+
+def main():
+    parser = ArgumentParser(description="""\
+Send the contents of a directory as a MIME message.
+Unless the -o option is given, the email is sent by forwarding to your local
+SMTP server, which then does the normal delivery process.  Your local machine
+must be running an SMTP server.
+""")
+    parser.add_argument('-d', '--directory',
+                        help="""Mail the contents of the specified directory,
+                        otherwise use the current directory.  Only the regular
+                        files in the directory are sent, and we don't recurse to
+                        subdirectories.""")
+    parser.add_argument('-o', '--output',
+                        metavar='FILE',
+                        help="""Print the composed message to FILE instead of
+                        sending the message to the SMTP server.""")
+    parser.add_argument('-s', '--sender', required=True,
+                        help='The value of the From: header (required)')
+    parser.add_argument('-r', '--recipient', required=True,
+                        action='append', metavar='RECIPIENT',
+                        default=[], dest='recipients',
+                        help='A To: header value (at least one required)')
+    args = parser.parse_args()
+    directory = args.directory
+    if not directory:
+        directory = '.'
+    # Create the message
+    msg = EmailMessage()
+    msg['Subject'] = 'Contents of directory %s' % os.path.abspath(directory)
+    msg['To'] = ', '.join(args.recipients)
+    msg['From'] = args.sender
+    msg.preamble = 'You will not see this in a MIME-aware mail reader.\n'
+
+    for filename in os.listdir(directory):
+        path = os.path.join(directory, filename)
+        if not os.path.isfile(path):
+            continue
+        # Guess the content type based on the file's extension.  Encoding
+        # will be ignored, although we should check for simple things like
+        # gzip'd or compressed files.
+        ctype, encoding = mimetypes.guess_type(path)
+        if ctype is None or encoding is not None:
+            # No guess could be made, or the file is encoded (compressed), so
+            # use a generic bag-of-bits type.
+            ctype = 'application/octet-stream'
+        maintype, subtype = ctype.split('/', 1)
+        with open(path, 'rb') as fp:
+            msg.add_attachment(fp.read(),
+                               maintype=maintype,
+                               subtype=subtype,
+                               filename=filename)
+    # Now send or store the message
+    if args.output:
+        with open(args.output, 'wb') as fp:
+            fp.write(msg.as_bytes(policy=SMTP))
+    else:
+        with smtplib.SMTP('localhost') as s:
+            s.send_message(msg)
+
+
+if __name__ == '__main__':
+    main()