712 lines
28 KiB
Python
712 lines
28 KiB
Python
import os
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import json
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import warnings
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import traceback
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from neo4j import GraphDatabase as GD
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from neo4j import Query
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from src import config
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from src.models import select_embedding_model
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from src.utils import logger
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warnings.filterwarnings("ignore", category=UserWarning)
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UIE_MODEL = None
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class GraphDatabase:
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def __init__(self):
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self.driver = None
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self.files = []
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self.status = "closed"
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self.kgdb_name = "neo4j"
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self.embed_model_name = os.getenv("GRAPH_EMBED_MODEL_NAME") or "siliconflow/BAAI/bge-m3"
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self.embed_model = select_embedding_model(self.embed_model_name)
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self.work_dir = os.path.join(config.save_dir, "knowledge_graph", self.kgdb_name)
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os.makedirs(self.work_dir, exist_ok=True)
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# 尝试加载已保存的图数据库信息
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if not self.load_graph_info():
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logger.debug("创建新的图数据库配置")
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self.start()
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def start(self):
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uri = os.environ.get("NEO4J_URI", "bolt://localhost:7687")
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username = os.environ.get("NEO4J_USERNAME", "neo4j")
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password = os.environ.get("NEO4J_PASSWORD", "0123456789")
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logger.info(f"Connecting to Neo4j: {uri}/{self.kgdb_name}")
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try:
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self.driver = GD.driver(f"{uri}/{self.kgdb_name}", auth=(username, password))
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self.status = "open"
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logger.info(f"Connected to Neo4j: {self.get_graph_info(self.kgdb_name)}")
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# 连接成功后保存图数据库信息
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self.save_graph_info(self.kgdb_name)
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except Exception as e:
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logger.error(f"Failed to connect to Neo4j: {e}, {uri}, {self.kgdb_name}, {username}, {password}")
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def close(self):
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"""关闭数据库连接"""
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assert self.driver is not None, "Database is not connected"
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self.driver.close()
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def is_running(self):
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"""检查图数据库是否正在运行"""
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return self.status == "open"
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def get_sample_nodes(self, kgdb_name='neo4j', num=50):
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"""获取指定数据库的 num 个节点信息"""
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assert self.driver is not None, "Database is not connected"
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self.use_database(kgdb_name)
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def query(tx, num):
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result = tx.run("MATCH (n)-[r]->(m) RETURN n, r, m LIMIT $num", num=int(num))
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return result.values()
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with self.driver.session() as session:
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return session.execute_read(query, num)
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def create_graph_database(self, kgdb_name):
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"""创建新的数据库,如果已存在则返回已有数据库的名称"""
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assert self.driver is not None, "Database is not connected"
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with self.driver.session() as session:
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existing_databases = session.run("SHOW DATABASES")
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existing_db_names = [db['name'] for db in existing_databases]
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if existing_db_names:
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print(f"已存在数据库: {existing_db_names[0]}")
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return existing_db_names[0] # 返回所有已有数据库名称
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session.run(f"CREATE DATABASE {kgdb_name}") # type: ignore
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print(f"数据库 '{kgdb_name}' 创建成功.")
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return kgdb_name # 返回创建的数据库名称
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def use_database(self, kgdb_name="neo4j"):
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"""切换到指定数据库"""
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assert kgdb_name == self.kgdb_name, f"传入的数据库名称 '{kgdb_name}' 与当前实例的数据库名称 '{self.kgdb_name}' 不一致"
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if self.status == "closed":
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self.start()
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def txt_add_entity(self, triples, kgdb_name='neo4j'):
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"""添加实体三元组"""
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assert self.driver is not None, "Database is not connected"
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self.use_database(kgdb_name)
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def create(tx, triples):
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for triple in triples:
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h = triple['h']
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t = triple['t']
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r = triple['r']
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query = (
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"MERGE (a:Entity {name: $h}) "
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"MERGE (b:Entity {name: $t}) "
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"MERGE (a)-[:" + r.replace(" ", "_") + "]->(b)"
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)
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tx.run(query, h=h, t=t)
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with self.driver.session() as session:
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session.execute_write(create, triples)
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async def txt_add_vector_entity(self, triples, kgdb_name='neo4j'):
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"""添加实体三元组"""
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assert self.driver is not None, "Database is not connected"
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self.use_database(kgdb_name)
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def _index_exists(tx, index_name):
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"""检查索引是否存在"""
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result = tx.run("SHOW INDEXES")
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for record in result:
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if record["name"] == index_name:
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return True
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return False
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def _create_graph(tx, data):
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"""添加一个三元组"""
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for entry in data:
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tx.run("""
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MERGE (h:Entity {name: $h})
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MERGE (t:Entity {name: $t})
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MERGE (h)-[r:RELATION {type: $r}]->(t)
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""", h=entry['h'], t=entry['t'], r=entry['r'])
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def _create_vector_index(tx, dim):
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"""创建向量索引"""
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# NOTE 这里是否是会重复构建索引?
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index_name = "entityEmbeddings"
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if not _index_exists(tx, index_name):
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tx.run(f"""
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CREATE VECTOR INDEX {index_name}
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FOR (n: Entity) ON (n.embedding)
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OPTIONS {{indexConfig: {{
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`vector.dimensions`: {dim},
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`vector.similarity_function`: 'cosine'
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}} }};
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""")
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def _get_nodes_without_embedding(tx, entity_names):
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"""获取没有embedding的节点列表"""
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# 构建参数字典,将列表转换为"param0"、"param1"等键值对形式
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params = {f"param{i}": name for i, name in enumerate(entity_names)}
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# 构建查询参数列表
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param_placeholders = ", ".join([f"${key}" for key in params.keys()])
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# 执行查询
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result = tx.run(f"""
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MATCH (n:Entity)
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WHERE n.name IN [{param_placeholders}] AND n.embedding IS NULL
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RETURN n.name AS name
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""", params)
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return [record["name"] for record in result]
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def _batch_set_embeddings(tx, entity_embedding_pairs):
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"""批量设置实体的嵌入向量"""
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for entity_name, embedding in entity_embedding_pairs:
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tx.run("""
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MATCH (e:Entity {name: $name})
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CALL db.create.setNodeVectorProperty(e, 'embedding', $embedding)
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""", name=entity_name, embedding=embedding)
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# 判断模型名称是否匹配
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cur_embed_info = config.embed_model_names[config.embed_model]
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self.embed_model_name = self.embed_model_name or cur_embed_info.get('name')
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assert self.embed_model_name == cur_embed_info.get('name') or self.embed_model_name is None, \
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f"embed_model_name={self.embed_model_name}, {cur_embed_info.get('name')=}"
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with self.driver.session() as session:
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logger.info(f"Adding entity to {kgdb_name}")
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session.execute_write(_create_graph, triples)
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logger.info(f"Creating vector index for {kgdb_name} with {config.embed_model}")
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session.execute_write(_create_vector_index, cur_embed_info['dimension'])
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# 收集所有需要处理的实体名称,去重
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all_entities = []
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for entry in triples:
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if entry['h'] not in all_entities:
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all_entities.append(entry['h'])
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if entry['t'] not in all_entities:
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all_entities.append(entry['t'])
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# 筛选出没有embedding的节点
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nodes_without_embedding = session.execute_read(_get_nodes_without_embedding, all_entities)
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if not nodes_without_embedding:
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logger.info("所有实体已有embedding,无需重新计算")
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return
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logger.info(f"需要为{len(nodes_without_embedding)}/{len(all_entities)}个实体计算embedding")
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# 批量处理实体
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max_batch_size = 1024 # 限制此部分的主要是内存大小 1024 * 1024 * 4 / 1024 / 1024 = 4GB
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total_entities = len(nodes_without_embedding)
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for i in range(0, total_entities, max_batch_size):
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batch_entities = nodes_without_embedding[i:i+max_batch_size]
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logger.debug(
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f"Processing entities batch "
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f"{i//max_batch_size + 1}/{(total_entities-1)//max_batch_size + 1} "
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f"({len(batch_entities)} entities)"
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)
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# 批量获取嵌入向量
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batch_embeddings = await self.aget_embedding(batch_entities)
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# 将实体名称和嵌入向量配对
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entity_embedding_pairs = list(zip(batch_entities, batch_embeddings))
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# 批量写入数据库
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session.execute_write(_batch_set_embeddings, entity_embedding_pairs)
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# 数据添加完成后保存图信息
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self.save_graph_info()
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async def jsonl_file_add_entity(self, file_path, kgdb_name='neo4j'):
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assert self.driver is not None, "Database is not connected"
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self.status = "processing"
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kgdb_name = kgdb_name or 'neo4j'
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self.use_database(kgdb_name) # 切换到指定数据库
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logger.info(f"Start adding entity to {kgdb_name} with {file_path}")
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def read_triples(file_path):
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with open(file_path, encoding='utf-8') as file:
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for line in file:
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if line.strip():
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yield json.loads(line.strip())
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triples = list(read_triples(file_path))
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await self.txt_add_vector_entity(triples, kgdb_name)
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self.status = "open"
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# 更新并保存图数据库信息
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self.save_graph_info()
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return kgdb_name
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def delete_entity(self, entity_name=None, kgdb_name="neo4j"):
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"""删除数据库中的指定实体三元组, 参数entity_name为空则删除全部实体"""
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assert self.driver is not None, "Database is not connected"
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self.use_database(kgdb_name)
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with self.driver.session() as session:
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if entity_name:
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session.execute_write(self._delete_specific_entity, entity_name)
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else:
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session.execute_write(self._delete_all_entities)
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def _delete_specific_entity(self, tx, entity_name):
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query = """
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MATCH (n {name: $entity_name})
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DETACH DELETE n
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"""
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tx.run(query, entity_name=entity_name)
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def _delete_all_entities(self, tx):
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query = """
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MATCH (n)
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DETACH DELETE n
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"""
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tx.run(query)
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def query_node(self, entity_name, threshold=0.9, kgdb_name='neo4j', hops=2, max_entities=5, **kwargs):
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"""知识图谱查询节点的入口:"""
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assert self.driver is not None, "Database is not connected"
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# TODO 添加判断节点数量为 0 停止检索
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# 判断是否启动
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if not self.is_running():
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raise Exception("图数据库未启动")
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self.use_database(kgdb_name)
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def _index_exists(tx, index_name):
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"""检查索引是否存在"""
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result = tx.run("SHOW INDEXES")
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for record in result:
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if record["name"] == index_name:
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return True
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return False
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def query(tx, text):
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# 首先检查索引是否存在
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if not _index_exists(tx, "entityEmbeddings"):
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raise Exception("向量索引不存在,请先创建索引")
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embedding = self.get_embedding(text)
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result = tx.run("""
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CALL db.index.vector.queryNodes('entityEmbeddings', 10, $embedding)
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YIELD node AS similarEntity, score
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RETURN similarEntity.name AS name, score
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""", embedding=embedding)
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return result.values()
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try:
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with self.driver.session() as session:
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results = session.execute_read(query, entity_name)
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except Exception as e:
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if "向量索引不存在" in str(e):
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logger.error(f"向量索引不存在,请先创建索引: {e}, {traceback.format_exc()}")
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return []
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raise e
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# 筛选出分数高于阈值的实体
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qualified_entities = [result[0] for result in results[:max_entities] if result[1] > threshold]
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logger.debug(f"Graph Query Entities: {entity_name}, {qualified_entities=}")
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# 对每个合格的实体进行查询
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all_query_results = []
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for entity in qualified_entities:
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query_result = self.query_specific_entity(entity_name=entity, hops=hops, kgdb_name=kgdb_name)
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all_query_results.extend(query_result)
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return all_query_results
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def query_specific_entity(self, entity_name, kgdb_name='neo4j', hops=2, limit=100):
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"""查询指定实体三元组信息(无向关系)"""
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assert self.driver is not None, "Database is not connected"
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if not entity_name:
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logger.warning("实体名称为空")
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return []
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self.use_database(kgdb_name)
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def query(tx, entity_name, hops, limit):
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try:
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query_str = f"""
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MATCH (n {{name: $entity_name}})-[r*1..{hops}]-(m)
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RETURN n AS n, r, m AS m
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LIMIT $limit
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"""
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result = tx.run(query_str, entity_name=entity_name, limit=limit)
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if not result:
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logger.info(f"未找到实体 {entity_name} 的相关信息")
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return []
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values = result.values()
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# 安全地处理embedding属性
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values = clean_triples_embedding(values)
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return values
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except Exception as e:
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logger.error(f"查询实体 {entity_name} 失败: {str(e)}")
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return []
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try:
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with self.driver.session() as session:
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return session.execute_read(query, entity_name, hops, limit)
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except Exception as e:
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logger.error(f"数据库会话异常: {str(e)}")
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return []
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def query_all_nodes_and_relationships(self, kgdb_name='neo4j', hops = 2):
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"""查询图数据库中所有三元组信息 NEVER USE"""
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assert self.driver is not None, "Database is not connected"
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self.use_database(kgdb_name)
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def query(tx, hops):
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result = tx.run(f"""
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MATCH (n)-[r*1..{hops}]->(m)
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RETURN n AS n, r, m AS m
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""")
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values = result.values()
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values = clean_triples_embedding(values)
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return values
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with self.driver.session() as session:
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return session.execute_read(query, hops)
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def query_by_relationship_type(self, relationship_type, kgdb_name='neo4j', hops = 2):
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"""查询指定关系三元组信息 NEVER USE"""
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assert self.driver is not None, "Database is not connected"
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self.use_database(kgdb_name)
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def query(tx, relationship_type, hops):
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result = tx.run(f"""
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MATCH (n)-[r:`{relationship_type}`*1..{hops}]->(m)
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RETURN n AS n, r, m AS m
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""")
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values = result.values()
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values = clean_triples_embedding(values)
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return values
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with self.driver.session() as session:
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return session.execute_read(query, relationship_type, hops)
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def query_entity_like(self, keyword, kgdb_name='neo4j', hops = 2):
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"""模糊查询 NEVER USE"""
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assert self.driver is not None, "Database is not connected"
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self.use_database(kgdb_name)
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def query(tx, keyword, hops):
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result = tx.run(f"""
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MATCH (n:Entity)
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WHERE n.name CONTAINS $keyword
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MATCH (n)-[r*1..{hops}]->(m)
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RETURN n AS n, r, m AS m
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""", keyword=keyword)
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values = result.values()
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values = clean_triples_embedding(values)
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return values
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with self.driver.session() as session:
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return session.execute_read(query, keyword, hops)
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def query_node_info(self, node_name, kgdb_name='neo4j', hops = 2):
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"""查询指定节点的详细信息返回信息 NEVER USE"""
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assert self.driver is not None, "Database is not connected"
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self.use_database(kgdb_name) # 切换到指定数据库
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def query(tx, node_name, hops):
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result = tx.run(f"""
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MATCH (n {{name: $node_name}})
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OPTIONAL MATCH (n)-[r*1..{hops}]->(m)
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RETURN n AS n, r, m AS m
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""", node_name=node_name)
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values = result.values()
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values = clean_triples_embedding(values)
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return values
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with self.driver.session() as session:
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return session.execute_read(query, node_name, hops)
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async def aget_embedding(self, text):
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if isinstance(text, list):
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outputs = await self.embed_model.abatch_encode(text, batch_size=40)
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return outputs
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else:
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outputs = await self.embed_model.aencode(text)
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return outputs
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def get_embedding(self, text):
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if isinstance(text, list):
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outputs = self.embed_model.batch_encode(text, batch_size=40)
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return outputs
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else:
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outputs = self.embed_model.encode([text])[0]
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return outputs
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def set_embedding(self, tx, entity_name, embedding):
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tx.run("""
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MATCH (e:Entity {name: $name})
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CALL db.create.setNodeVectorProperty(e, 'embedding', $embedding)
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""", name=entity_name, embedding=embedding)
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def get_graph_info(self, graph_name="neo4j"):
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assert self.driver is not None, "Database is not connected"
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self.use_database(graph_name)
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||
def query(tx):
|
||
entity_count = tx.run("MATCH (n) RETURN count(n) AS count").single()["count"]
|
||
relationship_count = tx.run("MATCH ()-[r]->() RETURN count(r) AS count").single()["count"]
|
||
triples_count = tx.run("MATCH (n)-[r]->(m) RETURN count(n) AS count").single()["count"]
|
||
|
||
# 获取所有标签
|
||
labels = tx.run("CALL db.labels() YIELD label RETURN collect(label) AS labels").single()["labels"]
|
||
|
||
return {
|
||
"graph_name": graph_name,
|
||
"entity_count": entity_count,
|
||
"relationship_count": relationship_count,
|
||
"triples_count": triples_count,
|
||
"labels": labels,
|
||
"status": self.status,
|
||
"embed_model_name": self.embed_model_name,
|
||
"unindexed_node_count": self.query_nodes_without_embedding(graph_name)
|
||
}
|
||
|
||
try:
|
||
if self.status == "open" and self.driver and self.is_running():
|
||
# 获取数据库信息
|
||
with self.driver.session() as session:
|
||
graph_info = session.execute_read(query)
|
||
|
||
# 添加时间戳
|
||
from datetime import datetime
|
||
graph_info["last_updated"] = datetime.now().isoformat()
|
||
return graph_info
|
||
|
||
except Exception as e:
|
||
logger.error(f"获取图数据库信息失败:{e}, {traceback.format_exc()}")
|
||
return None
|
||
|
||
def save_graph_info(self, graph_name="neo4j"):
|
||
"""
|
||
将图数据库的基本信息保存到工作目录中的JSON文件
|
||
保存的信息包括:数据库名称、状态、嵌入模型名称等
|
||
"""
|
||
try:
|
||
graph_info = self.get_graph_info(graph_name)
|
||
if graph_info is None:
|
||
logger.error("图数据库信息为空,无法保存")
|
||
return False
|
||
|
||
info_file_path = os.path.join(self.work_dir, "graph_info.json")
|
||
with open(info_file_path, 'w', encoding='utf-8') as f:
|
||
json.dump(graph_info, f, ensure_ascii=False, indent=2)
|
||
|
||
# logger.info(f"图数据库信息已保存到:{info_file_path}")
|
||
return True
|
||
except Exception as e:
|
||
logger.error(f"保存图数据库信息失败:{e}")
|
||
return False
|
||
|
||
def query_nodes_without_embedding(self, kgdb_name='neo4j'):
|
||
"""查询没有嵌入向量的节点
|
||
|
||
Returns:
|
||
list: 没有嵌入向量的节点列表
|
||
"""
|
||
assert self.driver is not None, "Database is not connected"
|
||
self.use_database(kgdb_name)
|
||
|
||
def query(tx):
|
||
result = tx.run("""
|
||
MATCH (n:Entity)
|
||
WHERE n.embedding IS NULL
|
||
RETURN n.name AS name
|
||
""")
|
||
return [record["name"] for record in result]
|
||
|
||
with self.driver.session() as session:
|
||
return session.execute_read(query)
|
||
|
||
def load_graph_info(self):
|
||
"""
|
||
从工作目录中的JSON文件加载图数据库的基本信息
|
||
返回True表示加载成功,False表示加载失败
|
||
"""
|
||
try:
|
||
info_file_path = os.path.join(self.work_dir, "graph_info.json")
|
||
if not os.path.exists(info_file_path):
|
||
logger.debug(f"图数据库信息文件不存在:{info_file_path}")
|
||
return False
|
||
|
||
with open(info_file_path, encoding='utf-8') as f:
|
||
graph_info = json.load(f)
|
||
|
||
# 更新对象属性
|
||
if graph_info.get("embed_model_name"):
|
||
self.embed_model_name = graph_info["embed_model_name"]
|
||
|
||
# 如果需要,可以加载更多信息
|
||
# 注意:这里不更新self.kgdb_name,因为它是在初始化时设置的
|
||
|
||
logger.info(f"已加载图数据库信息,最后更新时间:{graph_info.get('last_updated')}")
|
||
return True
|
||
except Exception as e:
|
||
logger.error(f"加载图数据库信息失败:{e}")
|
||
return False
|
||
|
||
def add_embedding_to_nodes(self, node_names=None, kgdb_name='neo4j'):
|
||
"""为节点添加嵌入向量
|
||
|
||
Args:
|
||
node_names (list, optional): 要添加嵌入向量的节点名称列表,None表示所有没有嵌入向量的节点
|
||
kgdb_name (str, optional): 图数据库名称,默认为'neo4j'
|
||
|
||
Returns:
|
||
int: 成功添加嵌入向量的节点数量
|
||
"""
|
||
assert self.driver is not None, "Database is not connected"
|
||
self.use_database(kgdb_name)
|
||
|
||
# 如果node_names为None,则获取所有没有嵌入向量的节点
|
||
if node_names is None:
|
||
node_names = self.query_nodes_without_embedding(kgdb_name)
|
||
|
||
count = 0
|
||
with self.driver.session() as session:
|
||
for node_name in node_names:
|
||
try:
|
||
embedding = self.get_embedding(node_name)
|
||
session.execute_write(self.set_embedding, node_name, embedding)
|
||
count += 1
|
||
except Exception as e:
|
||
logger.error(f"为节点 '{node_name}' 添加嵌入向量失败: {e}, {traceback.format_exc()}")
|
||
|
||
return count
|
||
|
||
|
||
def _extract_relationship_info(self, relationship, source_name=None, target_name=None, node_dict=None):
|
||
"""
|
||
提取关系信息并返回格式化的节点和边信息
|
||
"""
|
||
rel_id = relationship.element_id
|
||
nodes = relationship.nodes
|
||
if len(nodes) != 2:
|
||
return None, None
|
||
|
||
source, target = nodes
|
||
source_id = source.element_id
|
||
target_id = target.element_id
|
||
|
||
# 如果没有提供 source_name 或 target_name,则需要 node_dict
|
||
if source_name is None or target_name is None:
|
||
assert node_dict is not None, "node_dict is required when source_name or target_name is None"
|
||
source_name = node_dict[source_id]["name"] if source_name is None else source_name
|
||
target_name = node_dict[target_id]["name"] if target_name is None else target_name
|
||
|
||
relationship_type = relationship._properties.get("type", "unknown")
|
||
if relationship_type == "unknown":
|
||
relationship_type = relationship.type
|
||
|
||
edge_info = {
|
||
"id": rel_id,
|
||
"type": relationship_type,
|
||
"source_id": source_id,
|
||
"target_id": target_id,
|
||
"source_name": source_name,
|
||
"target_name": target_name,
|
||
}
|
||
|
||
node_info = [
|
||
{"id": source_id, "name": source_name},
|
||
{"id": target_id, "name": target_name},
|
||
]
|
||
|
||
return node_info, edge_info
|
||
|
||
def format_general_results(self, results):
|
||
formatted_results = {"nodes": [], "edges": []}
|
||
|
||
for item in results:
|
||
relationship = item[1]
|
||
source_name = item[0]._properties.get("name", "unknown")
|
||
target_name = item[2]._properties.get("name", "unknown") if len(item) > 2 else "unknown"
|
||
|
||
node_info, edge_info = self._extract_relationship_info(relationship, source_name, target_name)
|
||
if node_info is None or edge_info is None:
|
||
continue
|
||
|
||
for node in node_info:
|
||
if node["id"] not in [n["id"] for n in formatted_results["nodes"]]:
|
||
formatted_results["nodes"].append(node)
|
||
|
||
formatted_results["edges"].append(edge_info)
|
||
|
||
return formatted_results
|
||
|
||
def format_query_result_to_graph(self, query_results):
|
||
"""将检索到的结果转换为 {"nodes": [], "edges": []} 的格式
|
||
|
||
例如:
|
||
{
|
||
"nodes": [
|
||
{
|
||
"id": "4:5efbff88-72ef-44f9-b867-6c0e164a4a13:103",
|
||
"name": "张若锦"
|
||
},
|
||
{
|
||
"id": "4:5efbff88-72ef-44f9-b867-6c0e164a4a13:20",
|
||
"name": "贾宝玉"
|
||
},
|
||
....
|
||
],
|
||
"edges": [
|
||
{
|
||
"id": "5:5efbff88-72ef-44f9-b867-6c0e164a4a13:71",
|
||
"type": "奴仆",
|
||
"source_id": "4:5efbff88-72ef-44f9-b867-6c0e164a4a13:88",
|
||
"target_id": "4:5efbff88-72ef-44f9-b867-6c0e164a4a13:20",
|
||
"source_name": "宋嬷嬷",
|
||
"target_name": "贾宝玉"
|
||
},
|
||
....
|
||
]
|
||
}
|
||
"""
|
||
formatted_results = {"nodes": [], "edges": []}
|
||
node_dict = {}
|
||
edge_dict = {}
|
||
|
||
for item in query_results:
|
||
# 检查数据格式
|
||
if len(item) < 2 or not isinstance(item[1], list):
|
||
continue
|
||
|
||
node_dict[item[0].element_id] = dict(id=item[0].element_id, name=item[0]._properties.get("name", "Unknown"))
|
||
node_dict[item[2].element_id] = dict(id=item[2].element_id, name=item[2]._properties.get("name", "Unknown"))
|
||
|
||
# 处理关系列表中的每个关系
|
||
for i, relationship in enumerate(item[1]):
|
||
try:
|
||
# 提取关系信息
|
||
node_info, edge_info = self._extract_relationship_info(relationship, node_dict=node_dict)
|
||
if node_info is None or edge_info is None:
|
||
continue
|
||
|
||
# 添加边
|
||
edge_dict[edge_info["id"]] = edge_info
|
||
except Exception as e:
|
||
logger.error(f"处理关系时出错: {e}, 关系: {relationship}, {traceback.format_exc()}")
|
||
continue
|
||
|
||
# 将节点字典转换为列表
|
||
formatted_results["nodes"] = list(node_dict.values())
|
||
formatted_results["edges"] = list(edge_dict.values())
|
||
|
||
|
||
return formatted_results
|
||
|
||
def clean_triples_embedding(triples):
|
||
for item in triples:
|
||
if hasattr(item[0], '_properties'):
|
||
item[0]._properties['embedding'] = None
|
||
if hasattr(item[2], '_properties'):
|
||
item[2]._properties['embedding'] = None
|
||
return triples
|
||
|
||
|
||
if __name__ == "__main__":
|
||
pass
|