def _base(self, code, value, inputs, **mapping): e = Expression.from_string(code) self.assertEqual(set(inputs), set(e.inputs)) self.assertEqual(set([]), set(e.outputs)) self.assertEqual(value, e.evaluate(dict(mapping)))
def _filter_changed ( self, filter ): """ Handles the 'filter' expression being changed. """ self._block = ExpressionBlock.from_string( filter ) self._inputs = dict.fromkeys( self._block.inputs ) self.updated = True self._name_updated()
def _evaluate_changed(self, evaluate): """ Handles the 'evaluate' trait being changed. """ self._block = ExpressionBlock.from_string(evaluate) self._inputs = dict.fromkeys(self._block.inputs) self._data = None if self.context is not None: self.context.post_context_modified( ContextModified(modified=[self.name]))
def _evaluate_changed ( self, evaluate ): """ Handles the 'evaluate' trait being changed. """ self._block = ExpressionBlock.from_string( evaluate ) self._inputs = dict.fromkeys( self._block.inputs ) self._data = None if self.context is not None: self.context.post_context_modified( ContextModified( modified = [ self.name ] ) )