Method __getitem__

callbacks/callback.py:58–62

(self, item)

        self.named_callbacks = {to_snake_case(classname(cb)): cb for cb in self.callbacks}
        
    def __getitem__(self, item):
        item = to_snake_case(item)
        if item in self.named_callbacks:
            return self.named_callbacks[item]
        raise KeyError(f'callback name is not found: {item}')
        
    def training_started(self, **kwargs): self.invoke('training_started', **kwargs)