from functools import lru_cache
import hashlib
import json

class ModelCache:
    def __init__(self, cache_size=128):
        self.cache_size = cache_size
    
    @lru_cache(maxsize=128)
    def cache_result(self, input_key, result):
        return result
    
    def get_cache_key(self, audio_data):
        # Create hash of audio data for cache key
        return hashlib.md5(audio_data).hexdigest()
    
    def clear_cache(self):
        self.cache_result.cache_clear()