dump eml attachments

attachment.py

#!/usr/bin/env python3

import email
import sys
import uuid

def print_usage():
	print("{} <filename>".format(sys.argv[0]))

def read_file(filename):
	return email.message_from_file(open(filename))

def dump_attachments(message):
	for att in message.get_payload():
		if type(att.get_payload()) == str:
			name = str(uuid.uuid4())
			print("writing {}.bin".format(name))
			open(name + '.bin', 'wb').write(att.get_payload(decode=True))

if __name__ == "__main__":
	if len(sys.argv) != 2:
		print_usage()
		sys.exit(-1)
	msg = read_file(sys.argv[1])
	dump_attachments(msg)