[Buildbot-devel] [help] How to write a new Status Plugin such as mail.MailNotifier?

[blue blue]

Dear all,

I want to write a buildbot status plugin for HTTP Post to tinderbox.
I can't find any detail documentation about how to write a new status plugin.
I have referenced the web page
=> http://buildbot.sourceforge.net/manual-CVS.html#Writing-New-Status-Plugins
and /path/to/buildbot/status/*.py source files

I've followed the mail.py to Add a class in "tinderbox.py" named
TinderboxHTTPPost
I registered a interface in "interface.py".
I just can't trigger the "buildMessage" function in TinderboxHTTPPost
but MailNotifier could!
And anything else should I do??

thanks for your help!!!
regards,
Jerry