def _extract_message_parts(msg: email.message.EmailMessage) -> Tuple[str, str, List[Dict[str, Union[str, bool]]]]:
"""Extract the ebXML and payload parts of the message and return them as a tuple.
:param msg: The message to extract parts from.
:return: A tuple containing the ebXML and payload (if present, otherwise None) parts of the message provided.
"""
# EIS section 2.5.4 defines that the first MIME part must contain the ebML SOAP message and the message payload
# (if present) must be the first additional attachment.
if not msg.is_multipart():
logger.error('Non-multipart message received')
raise ebxml_envelope.EbXmlParsingError("Non-multipart message received")
message_parts: Sequence[email.message.EmailMessage] = tuple(msg.iter_parts())
EbxmlRequestEnvelope._report_any_defects_in_message_parts(message_parts)
# ebXML part is the first part of the message
ebxml_part = EbxmlRequestEnvelope._extract_ebxml_part(message_parts[0])
payload_part = None
attachments = []
if len(message_parts) > 1:
# HL7 payload part is the second part of the message
payload_part = EbxmlRequestEnvelope._extract_hl7_payload_part(message_parts[1])
# Any additional attachments are from the third part of the message onwards
attachments.extend(EbxmlRequestEnvelope._extract_additional_attachments_parts(message_parts[2:]))
return ebxml_part, payload_part, attachments
def _get_payload(self, message: email.message.EmailMessage) -> str:
"""
Get the body of the email.
Note: MODIFIES message fetched to be seen.
"""
if message.is_multipart():
return message.get_payload(0).get_payload()
else:
return message.get_payload(0)