# For guessing MIME type based on file name extension
import mimetypes
-from optparse import OptionParser
+from argparse import ArgumentParser
from email import encoders
from email.message import Message
def main():
- parser = OptionParser(usage="""\
+ parser = ArgumentParser(description="""\
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
+ 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 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['To'] = COMMASPACE.join(args.recipients)
+ outer['From'] = args.sender
outer.preamble = 'You will not see this in a MIME-aware mail reader.\n'
for filename in os.listdir(directory):
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()
+ with open(path) as fp:
+ # Note: we should handle calculating the charset
+ msg = MIMEText(fp.read(), _subtype=subtype)
elif maintype == 'image':
- fp = open(path, 'rb')
- msg = MIMEImage(fp.read(), _subtype=subtype)
- fp.close()
+ with open(path, 'rb') as fp:
+ msg = MIMEImage(fp.read(), _subtype=subtype)
elif maintype == 'audio':
- fp = open(path, 'rb')
- msg = MIMEAudio(fp.read(), _subtype=subtype)
- fp.close()
+ with open(path, 'rb') as fp:
+ msg = MIMEAudio(fp.read(), _subtype=subtype)
else:
- fp = open(path, 'rb')
- msg = MIMEBase(maintype, subtype)
- msg.set_payload(fp.read())
- fp.close()
+ with open(path, 'rb') as fp:
+ msg = MIMEBase(maintype, subtype)
+ msg.set_payload(fp.read())
# Encode the payload using Base64
encoders.encode_base64(msg)
# Set the filename parameter
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()
+ if args.output:
+ with open(args.output, 'w') as fp:
+ fp.write(composed)
else:
- s = smtplib.SMTP('localhost')
- s.sendmail(opts.sender, opts.recipients, composed)
- s.quit()
+ with smtplib.SMTP('localhost') as s:
+ s.sendmail(args.sender, args.recipients, composed)
if __name__ == '__main__':
import errno
import mimetypes
-from optparse import OptionParser
+from argparse import ArgumentParser
def main():
- parser = OptionParser(usage="""\
+ parser = ArgumentParser(description="""\
Unpack a MIME message into a directory of files.
-
-Usage: %prog [options] msgfile
""")
- parser.add_option('-d', '--directory',
- type='string', action='store',
- help="""Unpack the MIME message into the named
- directory, which will be created if it doesn't already
- exist.""")
- opts, args = parser.parse_args()
- if not opts.directory:
- parser.print_help()
- sys.exit(1)
+ parser.add_argument('-d', '--directory', required=True,
+ help="""Unpack the MIME message into the named
+ directory, which will be created if it doesn't already
+ exist.""")
+ parser.add_argument('msgfile')
+ args = parser.parse_args()
- try:
- msgfile = args[0]
- except IndexError:
- parser.print_help()
- sys.exit(1)
+ with open(args.msgfile) as fp:
+ msg = email.message_from_file(fp)
try:
- os.mkdir(opts.directory)
- except OSError as e:
- # Ignore directory exists error
- if e.errno != errno.EEXIST:
- raise
-
- fp = open(msgfile)
- msg = email.message_from_file(fp)
- fp.close()
+ os.mkdir(args.directory)
+ except FileExistsError:
+ pass
counter = 1
for part in msg.walk():
ext = '.bin'
filename = 'part-%03d%s' % (counter, ext)
counter += 1
- fp = open(os.path.join(opts.directory, filename), 'wb')
- fp.write(part.get_payload(decode=True))
- fp.close()
+ with open(os.path.join(args.directory, filename), 'wb') as fp:
+ fp.write(part.get_payload(decode=True))
if __name__ == '__main__':
projects / python / commitdiff