ref: 88ccea37f65b87312292b2b1a107c39927c6a2c3
dir: /sys/src/cmd/python/Doc/lib/email-dir.py/
#!/usr/bin/env python """Send the contents of a directory as a MIME message.""" import os import sys import smtplib # For guessing MIME type based on file name extension import mimetypes from optparse import OptionParser from email import encoders from email.message import Message from email.mime.audio import MIMEAudio from email.mime.base import MIMEBase from email.mime.image import MIMEImage from email.mime.multipart import MIMEMultipart from 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 local SMTP server, which then does the normal delivery process. Your local machine must 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()