72 lines
1.9 KiB
Python
72 lines
1.9 KiB
Python
import json
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import sys
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import redis as redis_pkg
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from flask_caching import Cache
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from redis import Redis
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from redis.typing import FieldT
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cache = Cache(config={'CACHE_TYPE': 'RedisCache', 'CACHE_REDIS_URL': 'redis://localhost:6379/0', 'CACHE_KEY_PREFIX': 'local-llm'})
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# redis = Redis()
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class RedisWrapper:
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"""
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A wrapper class to set prefixes to keys.
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"""
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def __init__(self, prefix, **kwargs):
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self.redis = Redis(**kwargs)
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self.prefix = prefix
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try:
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self.set('____', 1)
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except redis_pkg.exceptions.ConnectionError as e:
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print('Failed to connect to the Redis server:', e)
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print('Did you install and start the Redis server?')
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sys.exit(1)
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def _key(self, key):
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return f"{self.prefix}:{key}"
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def set(self, key, value):
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return self.redis.set(self._key(key), value)
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def get(self, key):
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return self.redis.get(self._key(key))
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def incr(self, key, amount=1):
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return self.redis.incr(self._key(key), amount)
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def decr(self, key, amount=1):
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return self.redis.decr(self._key(key), amount)
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def sadd(self, key: str, *values: FieldT):
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return self.redis.sadd(self._key(key), *values)
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def srem(self, key: str, *values: FieldT):
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return self.redis.srem(self._key(key), *values)
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def sismember(self, key: str, value: str):
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return self.redis.sismember(self._key(key), value)
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def set_dict(self, key, dict_value):
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return self.set(self._key(key), json.dumps(dict_value))
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def get_dict(self, key):
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r = self.get(self._key(key))
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if not r:
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return dict()
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else:
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return json.loads(r.decode("utf-8"))
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def flush(self):
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flushed = []
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for key in self.redis.scan_iter(f'{self.prefix}:*'):
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flushed.append(key)
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self.redis.delete(key)
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return flushed
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redis = RedisWrapper('local_llm')
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