The mailbox library documentation seems to be a little weak. In this example:
https://docs.python.org/2.7/library/mailbox.html#examples import mailbox for message in mailbox.mbox('~/mbox'): subject = message['subject'] # Could possibly be None. if subject and 'python' in subject.lower(): print subject What is the structure of "message"? I guess it's a dictionary but what is its structure? What are the keys? Is the structure constant or does it change depending upon the content of the mbox? I'm a bit new to python documentation. How would a potential user of the "mailbox" library determine these things? Or did I miss something? -- https://mail.python.org/mailman/listinfo/python-list