def to_message(message):
text = None
if message.body:
text = MIMENonMultipart("text", "plain")
payload = message.body
ctenc = message.body_transfer_encoding
if ctenc:
payload = encode_string(ctenc, payload)
text.add_header('Content-Transfer-Encoding', ctnec)
text.set_payload(payload, message.body_charset)
html = None
if message.html:
html = MIMENonMultipart("text", "html")
payload = message.html
ctenc = message.html_transfer_encoding
if ctenc:
payload = encode_string(ctenc, payload)
html.add_header('Content-Transfer-Encoding', ctnec)
html.set_payload(payload, message.html_charset)
body = None
if text and html:
body = MIMEMultipart("alternative", _subparts=[html, text])
elif html:
body = html
elif text:
body = text
mail = None
if len(message.attachments) > 1 or (body and message.attachments):
mail = MIMEMultipart("mixed")
if body:
mail.attach(body)
for attachment in message.attachments:
mail.attach(attachment_to_message(attachment))
elif not body and message.attachments:
mail = attachment_to_message(message.attachments[0])
elif body:
mail = body
return mail
def attachment_to_message(attachment):
mtype, stype = attachment.content_type.split('/')
if attachment.filename:
msg = MIMENonMultipart(mtype, stype, name=attachment.filename)
else:
msg = MIMENonMultipart(mtype, stype)
if attachment.disposition:
if attachment.filename:
msg.add_header('Content-Dispsition', attachment.disposition,
filename=attachment.filename)
else:
msg.add_header('Content-Disposition', attachment.disposition)
payload = attachment.data
ctenc = attachment.transfer_encoding
if ctenc:
payload = encode_string(ctenc, payload)
msg.add_header('Content-Transfer-Encoding', ctenc)
msg.set_payload(payload, attachment.charset)
return msg