1 #!/usr/bin/env python 2 3 """Send the contents of a directory as a MIME message.""" 4 5 import os 6 import sys 7 import smtplib 8 # For guessing MIME type based on file name extension 9 import mimetypes 10 11 from optparse import OptionParser 12 13 from email import encoders 14 from email.message import Message 15 from email.mime.audio import MIMEAudio 16 from email.mime.base import MIMEBase 17 from email.mime.image import MIMEImage 18 from email.mime.multipart import MIMEMultipart 19 from email.mime.text import MIMEText 20 21 COMMASPACE = ', ' 22 23 24 def main(): 25 parser = OptionParser(usage="""\ 26 Send the contents of a directory as a MIME message. 27 28 Usage: %prog [options] 29 30 Unless the -o option is given, the email is sent by forwarding to your local 31 SMTP server, which then does the normal delivery process. Your local machine 32 must be running an SMTP server. 33 """) 34 parser.add_option('-d', '--directory', 35 type='string', action='store', 36 help="""Mail the contents of the specified directory, 37 otherwise use the current directory. Only the regular 38 files in the directory are sent, and we don't recurse to 39 subdirectories.""") 40 parser.add_option('-o', '--output', 41 type='string', action='store', metavar='FILE', 42 help="""Print the composed message to FILE instead of 43 sending the message to the SMTP server.""") 44 parser.add_option('-s', '--sender', 45 type='string', action='store', metavar='SENDER', 46 help='The value of the From: header (required)') 47 parser.add_option('-r', '--recipient', 48 type='string', action='append', metavar='RECIPIENT', 49 default=[], dest='recipients', 50 help='A To: header value (at least one required)') 51 opts, args = parser.parse_args() 52 if not opts.sender or not opts.recipients: 53 parser.print_help() 54 sys.exit(1) 55 directory = opts.directory 56 if not directory: 57 directory = '.' 58 # Create the enclosing (outer) message 59 outer = MIMEMultipart() 60 outer['Subject'] = 'Contents of directory %s' % os.path.abspath(directory) 61 outer['To'] = COMMASPACE.join(opts.recipients) 62 outer['From'] = opts.sender 63 outer.preamble = 'You will not see this in a MIME-aware mail reader.\n' 64 65 for filename in os.listdir(directory): 66 path = os.path.join(directory, filename) 67 if not os.path.isfile(path): 68 continue 69 # Guess the content type based on the file's extension. Encoding 70 # will be ignored, although we should check for simple things like 71 # gzip'd or compressed files. 72 ctype, encoding = mimetypes.guess_type(path) 73 if ctype is None or encoding is not None: 74 # No guess could be made, or the file is encoded (compressed), so 75 # use a generic bag-of-bits type. 76 ctype = 'application/octet-stream' 77 maintype, subtype = ctype.split('/', 1) 78 if maintype == 'text': 79 fp = open(path) 80 # Note: we should handle calculating the charset 81 msg = MIMEText(fp.read(), _subtype=subtype) 82 fp.close() 83 elif maintype == 'image': 84 fp = open(path, 'rb') 85 msg = MIMEImage(fp.read(), _subtype=subtype) 86 fp.close() 87 elif maintype == 'audio': 88 fp = open(path, 'rb') 89 msg = MIMEAudio(fp.read(), _subtype=subtype) 90 fp.close() 91 else: 92 fp = open(path, 'rb') 93 msg = MIMEBase(maintype, subtype) 94 msg.set_payload(fp.read()) 95 fp.close() 96 # Encode the payload using Base64 97 encoders.encode_base64(msg) 98 # Set the filename parameter 99 msg.add_header('Content-Disposition', 'attachment', filename=filename) 100 outer.attach(msg) 101 # Now send or store the message 102 composed = outer.as_string() 103 if opts.output: 104 fp = open(opts.output, 'w') 105 fp.write(composed) 106 fp.close() 107 else: 108 s = smtplib.SMTP('localhost') 109 s.sendmail(opts.sender, opts.recipients, composed) 110 s.quit() 111 112 113 if __name__ == '__main__': 114 main() 115
