Python Generate Email with Attachment

generate_email_with_attachment.py

#!/usr/bin/python
# ./generate_email_with_attachment.py files.tar.bz2 user_to@domain.com > email_output

from email.encoders import encode_base64
from email.mime import Base, Multipart
from mimetypes import guess_type

def main(args):
  file_path = args[1]
  to = args[2]
  
  ctype, encoding = guess_type(file_path)

  outer = Multipart.MIMEMultipart()
  outer["Subject"] = "See attached file %s" % file_path
  outer["To"] = to
  outer.preamble = "File is attached"
  maintype, subtype = ctype.split("/")
  msg = Base.MIMEBase(maintype, subtype)
  fp = open(file_path, "r")
  msg.set_payload(fp.read())
  fp.close()
  encode_base64(msg)
  msg.add_header("Content-Disposition", "attachment", filename=file_path)
  outer.attach(msg)
  print outer.as_string()

if __name__ == "__main__":
  import sys
  main(sys.argv)