async def handle_message(self, message: email.message.EmailMessage):
transactional_mail = False
if message.get("Remove-List-Unsubscribe", None):
del message["List-Unsubscribe"]
del message["Remove-List-Unsubscribe"]
transactional_mail = True
del message['X-Peer']
del message['X-MailFrom']
del message['X-RcptTo']
await aiosmtplib.send(message, hostname=SMTP_HOST, port=SMTP_PORT)
if transactional_mail:
log.info(
f'Transactional Mail has been sent to {",".join(message.get_all("to", []))}'
)
else:
log.info(
f'Non-Transactional Mail has been sent to {",".join(message.get_all("to", []))}'
)
if LOG_CONTENT:
for part in message.walk():
# each part is a either non-multipart, or another multipart message
# that contains further parts... Message is organized like a tree
if part.get_content_type() == 'text/plain':
log.info(part.get_payload())
if part.get_content_type() == 'text/html':
log.info(part.get_payload())
def get_main_content(self, msg: email.message.EmailMessage):
'''
メール本文、フォーマット、キャラクターセットを取得する。
'''
try:
body_part = msg.get_body()
main_content = body_part.get_content()
format_ = body_part.get_content_type()
charset = body_part.get_content_charset()
except Exception as error:
print(error)
main_content = '解析失敗'
format_ = '不明'
charset = '不明'
# get_bodyでエラーになるのは文字コード設定がおかしいメールを受信した場合なので、
# decodeせずにテキスト部分をそのまま返す。
for part in msg.walk():
if part.get_content_type() == 'text/plain':
format_ = part.get_content_type()
main_content = str(part.get_payload())
charset = part.get_content_charset()
return main_content, format_, charset
def _get_body(msg: email.message.EmailMessage) -> Optional[str]:
candidate = None
for part in msg.walk():
if part.get_content_type() == "text/plain" and not part.is_multipart() and part.get(
"Content-Disposition") is None:
if not candidate:
candidate = part.get_payload(decode=True).decode("utf-8")
else:
raise Exception("two possible candidates!")
return candidate
def email_message_to_plain(em: email.message.EmailMessage) -> str:
"""
获取EmailMessage对象中的简单文本
@ param em: EmailMessage对象
@ return: 给定对象中的简单文本
"""
for part in em.walk():
part_content_type = part.get_content_type()
if part_content_type not in ['text/plain','text/html']:
continue
try:
part_content = part.get_content()
except Exception:
part_content = str(part.get_payload())
if part_content_type == 'text/plain':
return part_content if part_content is not None else "empty"
else:
return Formatter.html_to_plain(part_content)
