self.subscribe(INT_KEY, update)
self.subscribe(INT_KEY, self._translate_internal_to_external)
self.subscribe(EXT_KEY, self._translate_external_to_internal)
- if self._callback: self.subscribe(EXT_KEY, self._callback)
def _translate_external_to_internal(self, external):
try:
except Exception, e:
self._err_msg(internal, e)
self[EXT_KEY] = self[EXT_KEY] #reset to last good setting
+ if self._callback: self._callback(self[EXT_KEY])
def _err_msg(self, value, e):
print >> sys.stderr, self, 'Error translating value: "%s"\n\t%s\n\t%s'%(value, e, self._converter.help())