Spaces:
Running on Zero
Running on Zero
| class FallbackController: | |
| def rule_based(self, phase_scores, unsafe_phases=None): | |
| """ | |
| Select the highest-scoring phase that is not unsafe. | |
| """ | |
| if not phase_scores: | |
| raise ValueError("No phase scores provided") | |
| if unsafe_phases is None: | |
| unsafe_phases = set() | |
| safe_phases = { | |
| phase: score | |
| for phase, score in phase_scores.items() | |
| if phase not in unsafe_phases | |
| } | |
| if not safe_phases: | |
| return None | |
| selected_phase = max( | |
| safe_phases, | |
| key=safe_phases.get | |
| ) | |
| return { | |
| "method": "rule_based", | |
| "selected_phase": selected_phase, | |
| "score": safe_phases[selected_phase] | |
| } | |
| def density_based(self, phase_densities, unsafe_phases=None): | |
| """ | |
| Select the highest-density safe phase. | |
| """ | |
| if not phase_densities: | |
| raise ValueError("No phase densities provided") | |
| if unsafe_phases is None: | |
| unsafe_phases = set() | |
| safe_phases = { | |
| phase: density | |
| for phase, density in phase_densities.items() | |
| if phase not in unsafe_phases | |
| } | |
| if not safe_phases: | |
| return None | |
| selected_phase = max( | |
| safe_phases, | |
| key=safe_phases.get | |
| ) | |
| return { | |
| "method": "density_based", | |
| "selected_phase": selected_phase, | |
| "density": safe_phases[selected_phase] | |
| } | |
| def fixed_time(self, phases, current_index=0): | |
| """ | |
| Final safe fixed-time fallback. | |
| """ | |
| if not phases: | |
| raise ValueError("No phases provided") | |
| index = current_index % len(phases) | |
| selected_phase = phases[index] | |
| return { | |
| "method": "fixed_time", | |
| "selected_phase": selected_phase | |
| } |