def _parse_attachment(message_part):
content_disposition = message_part.get("Content-Disposition", None)
if content_disposition:
dispositions = content_disposition.strip().split(";")
if content_disposition and dispositions[0].lower() == "attachment":
file_data = message_part.get_payload(decode=True)
attachment = BytesIO(file_data)
attachment.content_type = message_part.get_content_type()
attachment.size = len(file_data)
attachment.name = None
attachment.create_date = None
attachment.mod_date = None
attachment.read_date = None
for param in dispositions[1:]:
name, value = param.strip().split("=")
name = name.lower()
if name == "filename":
attachment.name = value
elif name == "create-date":
attachment.create_date = value # FIXME: datetime
elif name == "modification-date":
attachment.mod_date = value # FIXME: datetime
elif name == "read-date":
attachment.read_date = value # FIXME: datetime
attachment.checksum = _md5(attachment)
return attachment
return None
