I don't think there's an existing functionality for this. I would try doing it by interfacing with a python application for sending tweets. Here was my first Google hit for this. There might be some people on sage-marketing interested in this too :)
After a little effort, I got it to work! I had the same problem getting sage to see the python libraries as I had here: http://ask.sagemath.org/question/685/read-from-serial-port but the same fix got sage to see the tweepy library.
back then when twitter supported simple authentication it was very easy. you were even able to twitter in linux from the terminal via curl. now you need http/post on top of oauth.
Sage can send e-mails. Is twitter so much different?
That said, it seems that e-mailing does not work. Just for fun, I tried to send me an e-mail from Sage. There was a warning concerning the use of a deprecated module, and the e-mail has not arrived. Moreover, the doc string of the "email" function is broken (wrong formatting, that must look horrible in the reference manual).
This doesn't really answer your question (you mean sending a tweet of your own), but it's useful to point out that Sage does have a Twitter feed.
Asked: 2011-08-18 01:59:53 +0200
Seen: 501 times
Last updated: Aug 18 '11
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Do we want Sage to become like emacs?
I'm not sure what you mean, @benjaminfjones, but I don't think there is any reason that sage shouldn't be able to interface with X, regardless of what X is.
Sorry, the comment was meant to be humorous. http://www.emacswiki.org/emacs/WhyUseEmacs
Here are the results of the tweeting, if anyone is interested: http://twitter.com/#!/homologyNetwork
I also got twitpic to work with Sage: http://twitpic.com/photos/homologyNetwork