“”"Unpack a MIME message into a directory of files.”"”

import os
import sys
import email
import mimetypes
import re
import tempfile
import shutil

def main():

#Get the message from stdin
fp = sys.stdin.read()

#Convert this to a message object
msg = email.message_from_string(fp)

#Create temp directory to store contents
tempcon = tempfile.mkdtemp()

#Change to our tempcon
os.chdir(tempcon)

patt1 = re.compile(‘< ')
patt2 = re.compile('>‘)

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

ext = mimetypes.guess_extension(part.get_content_type())
ctype = part.get(‘content-id’)

if ctype:
doit = re.sub(patt2, ”, re.sub(patt1, ‘cid:’, ctype))
else:
doit = ‘main.html’

if not ext:
# Use a generic bag-of-bits extension
ext = ‘.bin’
fp = open(tempcon + ‘/’ + doit, ‘wb’)
fp.write(part.get_payload(decode=True))
fp.close()

os.system(‘/usr/local/bin/html2ps main.html’)
os.chdir(‘..’)
shutil.rmtree(tempcon)