Staging
v0.5.1
v0.5.1
swh:1:snp:635f4099902912592851108bcac178ff574f7c5f
Tip revision: 4556e7e002fb21ddd9e4b16c7266877a4d99ea42 authored by Martin v. Löwis on 19 December 2008, 15:02:52 UTC
Prepare for 2.4.6.
Prepare for 2.4.6.
Tip revision: 4556e7e
email-unpack.py
#!/usr/bin/env python
"""Unpack a MIME message into a directory of files.
Usage: unpackmail [options] msgfile
Options:
-h / --help
Print this message and exit.
-d directory
--directory=directory
Unpack the MIME message into the named directory, which will be
created if it doesn't already exist.
msgfile is the path to the file containing the MIME message.
"""
import sys
import os
import getopt
import errno
import mimetypes
import email
def usage(code, msg=''):
print >> sys.stderr, __doc__
if msg:
print >> sys.stderr, msg
sys.exit(code)
def main():
try:
opts, args = getopt.getopt(sys.argv[1:], 'hd:', ['help', 'directory='])
except getopt.error, msg:
usage(1, msg)
dir = os.curdir
for opt, arg in opts:
if opt in ('-h', '--help'):
usage(0)
elif opt in ('-d', '--directory'):
dir = arg
try:
msgfile = args[0]
except IndexError:
usage(1)
try:
os.mkdir(dir)
except OSError, e:
# Ignore directory exists error
if e.errno <> errno.EEXIST: raise
fp = open(msgfile)
msg = email.message_from_file(fp)
fp.close()
counter = 1
for part in msg.walk():
# multipart/* are just containers
if part.get_content_maintype() == 'multipart':
continue
# Applications should really sanitize the given filename so that an
# email message can't be used to overwrite important files
filename = part.get_filename()
if not filename:
ext = mimetypes.guess_extension(part.get_type())
if not ext:
# Use a generic bag-of-bits extension
ext = '.bin'
filename = 'part-%03d%s' % (counter, ext)
counter += 1
fp = open(os.path.join(dir, filename), 'wb')
fp.write(part.get_payload(decode=1))
fp.close()
if __name__ == '__main__':
main()