#!/usr/bin/env python """Send the contents of a directory as a MIME message.""" import osimport sysimport smtplib# For guessing MIME type based on file name extensionimport mimetypes from optparse import OptionParser from email import encodersfrom email.message import Messagefrom email.mime.audio import MIMEAudiofrom email.mime.base import MIMEBasefrom email.mime.image import MIMEImagefrom email.mime.multipart import MIMEMultipartfrom email.mime.text import MIMEText COMMASPACE = ', '  def main():    parser = OptionParser(usage="""\Send the contents of a directory as a MIME message. Usage: %prog [options] Unless the -o option is given, the email is sent by forwarding to your localSMTP server, which then does the normal delivery process.  Your local machinemust be running an SMTP server.""")    parser.add_option('-d', '--directory',                      type='string', action='store',                      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_option('-o', '--output',                      type='string', action='store', metavar='FILE',                      help="""Print the composed message to FILE instead of                      sending the message to the SMTP server.""")    parser.add_option('-s', '--sender',                      type='string', action='store', metavar='SENDER',                      help='The value of the From: header (required)')    parser.add_option('-r', '--recipient',                      type='string', action='append', metavar='RECIPIENT',                      default=[], dest='recipients',                      help='A To: header value (at least one required)')    opts, args = parser.parse_args()    if not opts.sender or not opts.recipients:        parser.print_help()        sys.exit(1)    directory = opts.directory    if not directory:        directory = '.'    # Create the enclosing (outer) message    outer = MIMEMultipart()    outer['Subject'] = 'Contents of directory %s' % os.path.abspath(directory)    outer['To'] = COMMASPACE.join(opts.recipients)    outer['From'] = opts.sender    outer.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)        if maintype == 'text':            fp = open(path)            # Note: we should handle calculating the charset            msg = MIMEText(fp.read(), _subtype=subtype)            fp.close()        elif maintype == 'image':            fp = open(path, 'rb')            msg = MIMEImage(fp.read(), _subtype=subtype)            fp.close()        elif maintype == 'audio':            fp = open(path, 'rb')            msg = MIMEAudio(fp.read(), _subtype=subtype)            fp.close()        else:            fp = open(path, 'rb')            msg = MIMEBase(maintype, subtype)            msg.set_payload(fp.read())            fp.close()            # Encode the payload using Base64            encoders.encode_base64(msg)        # Set the filename parameter        msg.add_header('Content-Disposition', 'attachment', filename=filename)        outer.attach(msg)    # Now send or store the message    composed = outer.as_string()    if opts.output:        fp = open(opts.output, 'w')        fp.write(composed)        fp.close()    else:        s = smtplib.SMTP()        s.connect()        s.sendmail(opts.sender, opts.recipients, composed)        s.close()  if __name__ == '__main__':    main()