def construct_email_message(sender, to_list, cc_list, subject, mtext,
attachment_list):
"""
#
"""
outer = MIMEMultipart()
outer['From'] = sender
outer['To'] = ', '.join(to_list)
outer['Cc'] = ', '.join(cc_list)
outer['Subject'] = subject
outer.preample = 'You will not see this in a MIME-aware mail reader.\n'
outer.epilogue = ''
# plain text body
msg = MIMEText(mtext + '\n\n')
msg.add_header('Content-Disposition', 'inline')
outer.attach(msg)
# file attachments
# outer.add_header('Content-Transfer-Encoding', 'base64')
for att in attachment_list:
if not os.path.isfile(att):
continue
ctype, encoding = mimetypes.guess_type(att)
maintype, subtype = ctype.split('/', 1)
fp = open(att, 'rb')
msg = MIMEBase(maintype, subtype)
# msg = MIMEBase('application', 'octet-stream')
msg.set_payload(fp.read())
Encoders.encode_base64(msg)
basename = att.split('/')[-1]
msg.add_header('Content-Disposition', 'attachment', filename=basename)
outer.attach(msg)
return outer
