The essential part of the above script is just g.registerHandler('save2',
my_callback). The rest is just for making possible to deactivate handler
and to make every commit with the next natural number. While developing
your handler, it is useful to be able to deactivate it in case of an error.
Also if you change script and run it again it will register another version
of your handler. Quite often, in development, I use the same method to
un-register old version and then register the new one.
def reactivate(tag, handler):
k = '_activation_%s_handler'%tag
# this is just to prevent collisions
# you can use whatever string as a key
old_handler = c.user_dict.pop(k, None)
if old_handler:
g.unregisterHandler(tag, old_handler)
g.registerHandler(tag, handler)
c.user_dict[k] = handler
reactivate('save2', my_callback)
HTH Vitalije.
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