Remove delete_entity and delete_entity_relation from RediskKVStorage
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@@ -8,8 +8,8 @@ if not pm.is_installed("redis"):
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pm.install("redis")
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# aioredis is a depricated library, replaced with redis
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from redis.asyncio import Redis
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from lightrag.utils import logger, compute_mdhash_id
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from redis.asyncio import Redis # type: ignore
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from lightrag.utils import logger
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from lightrag.base import BaseKVStorage
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import json
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@@ -83,67 +83,3 @@ class RedisKVStorage(BaseKVStorage):
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logger.info(
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f"Deleted {deleted_count} of {len(ids)} entries from {self.namespace}"
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)
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async def delete_entity(self, entity_name: str) -> None:
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"""Delete an entity by name
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Args:
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entity_name: Name of the entity to delete
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"""
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try:
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entity_id = compute_mdhash_id(entity_name, prefix="ent-")
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logger.debug(
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f"Attempting to delete entity {entity_name} with ID {entity_id}"
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)
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# Delete the entity
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result = await self._redis.delete(f"{self.namespace}:{entity_id}")
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if result:
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logger.debug(f"Successfully deleted entity {entity_name}")
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else:
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logger.debug(f"Entity {entity_name} not found in storage")
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except Exception as e:
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logger.error(f"Error deleting entity {entity_name}: {e}")
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async def delete_entity_relation(self, entity_name: str) -> None:
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"""Delete all relations associated with an entity
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Args:
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entity_name: Name of the entity whose relations should be deleted
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"""
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try:
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# Get all keys in this namespace
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cursor = 0
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relation_keys = []
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pattern = f"{self.namespace}:*"
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while True:
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cursor, keys = await self._redis.scan(cursor, match=pattern)
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# For each key, get the value and check if it's related to entity_name
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for key in keys:
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value = await self._redis.get(key)
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if value:
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data = json.loads(value)
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# Check if this is a relation involving the entity
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if (
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data.get("src_id") == entity_name
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or data.get("tgt_id") == entity_name
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):
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relation_keys.append(key)
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# Exit loop when cursor returns to 0
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if cursor == 0:
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break
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# Delete the relation keys
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if relation_keys:
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deleted = await self._redis.delete(*relation_keys)
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logger.debug(f"Deleted {deleted} relations for {entity_name}")
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else:
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logger.debug(f"No relations found for entity {entity_name}")
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except Exception as e:
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logger.error(f"Error deleting relations for {entity_name}: {e}")
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