email.message.Message.contains()

__contains__(name)

Return true if the message object has a field named name. Matching is done case-insensitively and name should not include the trailing colon. Used for the in operator, e.g.:

if 'message-id' in myMessage:
   print('Message-ID:', myMessage['message-id'])

Links:

https://docs.python.org/3.5/library/email.message.html#email.message.Message.__contains__

doc_python

2016-10-07 17:32:45

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