On Wed, Jul 18, 2007 at 11:24:09AM -0600, Brian Granger wrote:
> At some level though, configuration is a very different thing than an
> application's runtime API. While they may be related (by exposing
> common functionality), not everything that can be configured would
> appear in a runtime API and vice-versa. Also, some events that need
> to happen when an attribute is changed at runtime can't happen at
> config time as the application might not yet be up and running yet.
Well that easy to sort out. You can put a flag to the traits handler that
simply forbids it as long as the application is not running. Something
like:
def if_app_running(callback):
app = get_application() # get_application could be anything that
# returns the current application
def modified_callback(self, *args, **kwargs):
if app.running:
callback(self, *args, **kwargs)
return modified_callback
class ConfigurationObject(HasTraits):
prompt = String('[%i]')
@if_app_running
def _prompt_changed(self):
do whatever you want here
Gaël
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