backcall_callback_prototype_flexible_signature_adaptation.py

1from backcall import callback_prototype
2
3@callback_prototype
4def handle_event(arg1, arg2=None):
5    """Prototype for a callback that handles an event with one or two arguments."""
6    pass
7
8def my_callback(arg1):
9    print(f"Callback called with {arg1}")
10
11# This will adapt the call to my_callback to match its signature, 
12# even though the prototype provides two arguments.
13handle_event.adapt(my_callback)(1, arg2=2)