![\"\"](\"https:\/\/www.kdjingpai.com\/wp-content\/uploads\/2025\/08\/0ee00e66349694a-scaled.png\")
<\/p>\nLightRAG \u662f\u4e00\u4e2a\u7531\u9999\u6e2f\u5927\u5b66\u6570\u636e\u79d1\u5b66\u5b66\u9662\u56e2\u961f\u5f00\u53d1\u7684\u5f00\u6e90Python\u6846\u67b6\uff0c\u65e8\u5728\u7b80\u5316\u548c\u52a0\u901f\u68c0\u7d22\u589e\u5f3a\u751f\u6210\uff08RAG\uff09\u5e94\u7528\u7684\u6784\u5efa\u8fc7\u7a0b\u3002 \u5b83\u901a\u8fc7\u5c06\u77e5\u8bc6\u56fe\u8c31\u4e0e\u4f20\u7edf\u7684\u5411\u91cf\u68c0\u7d22\u6280\u672f\u76f8\u7ed3\u5408\uff0c\u4e3a\u5927\u8bed\u8a00\u6a21\u578b\uff08LLM\uff09\u63d0\u4f9b\u66f4\u7cbe\u786e\u3001\u66f4\u5177\u4e0a\u4e0b\u6587\u5173\u8054\u6027\u7684\u4fe1\u606f\uff0c\u4ece\u800c\u63d0\u5347\u751f\u6210\u5185\u5bb9\u7684\u8d28\u91cf\u3002 \u8be5\u6846\u67b6\u7684\u6838\u5fc3\u7279\u70b9\u662f\u5176\u8f7b\u91cf\u5316\u548c\u6a21\u5757\u5316\u8bbe\u8ba1\uff0c\u5b83\u5c06\u590d\u6742\u7684RAG\u6d41\u7a0b\u5206\u89e3\u4e3a\u6587\u6863\u89e3\u6790\u3001\u7d22\u5f15\u6784\u5efa\u3001\u4fe1\u606f\u68c0\u7d22\u3001\u5185\u5bb9\u91cd\u6392\u548c\u6587\u672c\u751f\u6210\u7b49\u591a\u4e2a\u72ec\u7acb\u7684\u7ec4\u4ef6\u3002\u8fd9\u79cd\u8bbe\u8ba1\u4e0d\u4ec5\u964d\u4f4e\u4e86\u5f00\u53d1\u8005\u7684\u4f7f\u7528\u95e8\u69db\uff0c\u8fd8\u63d0\u4f9b\u4e86\u9ad8\u5ea6\u7684\u7075\u6d3b\u6027\uff0c\u5141\u8bb8\u7528\u6237\u6839\u636e\u5177\u4f53\u9700\u6c42\u8f7b\u677e\u66ff\u6362\u6216\u81ea\u5b9a\u4e49\u4e0d\u540c\u7684\u6a21\u5757\uff0c\u4f8b\u5982\u96c6\u6210\u4e0d\u540c\u7684\u5411\u91cf\u6570\u636e\u5e93\u3001\u56fe\u6570\u636e\u5e93\u6216\u5927\u8bed\u8a00\u6a21\u578b\u3002 LightRAG\u4e13\u4e3a\u9700\u8981\u5904\u7406\u590d\u6742\u4fe1\u606f\u548c\u6df1\u5ea6\u5173\u7cfb\u7684\u573a\u666f\u8bbe\u8ba1\uff0c\u81f4\u529b\u4e8e\u89e3\u51b3\u4f20\u7edfRAG\u7cfb\u7edf\u4e2d\u6587\u672c\u4fe1\u606f\u788e\u7247\u5316\u3001\u7f3a\u4e4f\u6df1\u5c42\u8054\u7cfb\u7684\u95ee\u9898\u3002<\/p>\n
<\/p>\n
<\/p>\n
LightRAG \u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u4e14\u6613\u4e8e\u4f7f\u7528\u7684\u6846\u67b6\uff0c\u65e8\u5728\u5e2e\u52a9\u5f00\u53d1\u8005\u5feb\u901f\u642d\u5efa\u57fa\u4e8e\u81ea\u6709\u77e5\u8bc6\u5e93\u7684\u667a\u80fd\u95ee\u7b54\u7cfb\u7edf\u3002\u5b83\u6700\u5927\u7684\u7279\u8272\u662f\u7ed3\u5408\u4e86\u77e5\u8bc6\u56fe\u8c31\uff0c\u4f7f\u5f97\u68c0\u7d22\u7ed3\u679c\u4e0d\u4ec5\u76f8\u5173\uff0c\u800c\u4e14\u903b\u8f91\u5173\u7cfb\u66f4\u5f3a\u3002\u4e0b\u9762\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u5176\u5b89\u88c5\u548c\u4f7f\u7528\u6d41\u7a0b\u3002<\/p>\n
\u5f00\u59cb\u4f7f\u7528 LightRAG \u975e\u5e38\u7b80\u5355\uff0c\u53ef\u4ee5\u901a\u8fc7 Python \u7684\u5305\u7ba1\u7406\u5668 pip \u76f4\u63a5\u5b89\u88c5\u3002\u63a8\u8350\u5b89\u88c5\u5305\u542bAPI\u548cWeb\u754c\u9762\u7684\u5b8c\u6574\u7248\u672c\uff0c\u8fd9\u6837\u53ef\u4ee5\u4f53\u9a8c\u5230\u5305\u62ec\u77e5\u8bc6\u56fe\u8c31\u53ef\u89c6\u5316\u5728\u5185\u7684\u5168\u90e8\u529f\u80fd\u3002<\/p>\n
pip install \"lightrag-hku[api]\"\r\n<\/code><\/pre>\n\u8fd9\u6761\u547d\u4ee4\u4f1a\u5b89\u88c5 LightRAG \u7684\u6838\u5fc3\u5e93\u4ee5\u53ca\u5176\u670d\u52a1\u5668\u6240\u9700\u7684\u76f8\u5173\u4f9d\u8d56\u3002<\/li>\n
- \u914d\u7f6e\u73af\u5883\u53d8\u91cf<\/strong>:
\n\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u9700\u8981\u914d\u7f6e\u8fd0\u884c\u73af\u5883\u3002LightRAG \u63d0\u4f9b\u4e86\u4e00\u4e2a\u73af\u5883\u6587\u4ef6\u6a21\u677f\u00a0env.example<\/code>\u3002\u4f60\u9700\u8981\u5c06\u5b83\u590d\u5236\u4e3a\u00a0.env<\/code>\u00a0\u6587\u4ef6\uff0c\u5e76\u6839\u636e\u4f60\u7684\u60c5\u51b5\u4fee\u6539\u914d\u7f6e\uff0c\u6700\u5173\u952e\u7684\u662f\u8bbe\u7f6e\u5927\u8bed\u8a00\u6a21\u578b\uff08LLM\uff09\u548c\u5d4c\u5165\u6a21\u578b\uff08Embedding Model\uff09\u7684API\u5bc6\u94a5\u3002<\/p>\ncp env.example .env\r\n<\/code><\/pre>\n\u63a5\u7740\u7528\u6587\u672c\u7f16\u8f91\u5668\u6253\u5f00\u00a0.env<\/code>\u00a0\u6587\u4ef6\uff0c\u586b\u5165\u4f60\u7684\u00a0OPENAI_API_KEY<\/code>\u00a0\u6216\u5176\u4ed6\u6a21\u578b\u7684\u8bbf\u95ee\u51ed\u8bc1\u3002<\/li>\n- \u542f\u52a8\u670d\u52a1<\/strong>:
\n\u914d\u7f6e\u5b8c\u6210\u540e\uff0c\u76f4\u63a5\u5728\u7ec8\u7aef\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u5373\u53ef\u542f\u52a8 LightRAG \u670d\u52a1\uff1a<\/p>\nlightrag-server\r\n<\/code><\/pre>\n\u670d\u52a1\u542f\u52a8\u540e\uff0c\u4f60\u5c31\u53ef\u4ee5\u901a\u8fc7\u6d4f\u89c8\u5668\u8bbf\u95ee\u5176\u63d0\u4f9b\u7684Web\u754c\u9762\uff0c\u6216\u901a\u8fc7API\u4e0e\u5176\u4ea4\u4e92\u3002<\/li>\n<\/ol>\n
\u6838\u5fc3\u4f7f\u7528\u6d41\u7a0b<\/strong><\/h3>\nLightRAG \u7684\u6838\u5fc3\u7f16\u7a0b\u6d41\u7a0b\u9075\u5faa\u4e00\u4e2a\u6e05\u6670\u7684 RAG<\/a> \u903b\u8f91\uff1a\u6570\u636e\u6295\u5582 -> \u7d22\u5f15\u6784\u5efa -> \u67e5\u8be2\u751f\u6210<\/strong>\u3002\u4e0b\u9762\u901a\u8fc7\u4e00\u4e2a\u7b80\u5355\u7684Python\u4ee3\u7801\u793a\u4f8b\u6765\u6f14\u793a\u5982\u4f55\u4f7f\u7528 LightRAG Core \u5b9e\u73b0\u4e00\u4e2a\u5b8c\u6574\u7684\u95ee\u7b54\u6d41\u7a0b\u3002<\/p>\n\n- \u521d\u59cb\u5316 LightRAG \u5b9e\u4f8b<\/strong>
\n\u9996\u5148\uff0c\u4f60\u9700\u8981\u5bfc\u5165\u5fc5\u8981\u7684\u6a21\u5757\u5e76\u521b\u5efa\u4e00\u4e2a LightRAG \u5b9e\u4f8b\u3002\u5728\u521d\u59cb\u5316\u65f6\uff0c\u5fc5\u987b\u6307\u5b9a\u5de5\u4f5c\u76ee\u5f55\uff08\u7528\u4e8e\u5b58\u653e\u6570\u636e\u548c\u7f13\u5b58\uff09\u3001\u5d4c\u5165\u51fd\u6570\u548cLLM\u51fd\u6570\u3002<\/p>\nimport os\r\nimport asyncio\r\nfrom lightrag import LightRAG, QueryParam\r\nfrom lightrag.llm.openai import gpt_4o_mini_complete, openai_embed\r\nfrom lightrag.kg.shared_storage import initialize_pipeline_status\r\n# \u8bbe\u7f6e\u5de5\u4f5c\u76ee\u5f55\r\nWORKING_DIR = \".\/rag_storage\"\r\nif not os.path.exists(WORKING_DIR):\r\nos.mkdir(WORKING_DIR)\r\n# \u8bbe\u7f6e\u4f60\u7684OpenAI API\u5bc6\u94a5\r\nos.environ[\"OPENAI_API_KEY\"] = \"sk-...\"\r\nasync def initialize_rag():\r\n# \u521b\u5efaLightRAG\u5b9e\u4f8b\uff0c\u5e76\u6ce8\u5165\u6a21\u578b\u51fd\u6570\r\nrag = LightRAG(\r\nworking_dir=WORKING_DIR,\r\nembedding_func=openai_embed,\r\nllm_model_func=gpt_4o_mini_complete,\r\n)\r\n# \u91cd\u8981\uff1a\u5fc5\u987b\u521d\u59cb\u5316\u5b58\u50a8\u548c\u5904\u7406\u7ba1\u9053\r\nawait rag.initialize_storages()\r\nawait initialize_pipeline_status()\r\nreturn rag\r\n<\/code><\/pre>\n\u6ce8\u610f<\/strong>:\u00a0initialize_storages()<\/code>\u00a0\u548c\u00a0initialize_pipeline_status()<\/code>\u00a0\u8fd9\u4e24\u4e2a\u521d\u59cb\u5316\u6b65\u9aa4\u662f\u5fc5\u9700\u7684\uff0c\u5426\u5219\u7a0b\u5e8f\u4f1a\u62a5\u9519\u3002<\/li>\n- \u6295\u5582\u6570\u636e (Insert)<\/strong>
\n\u521d\u59cb\u5316\u5b8c\u6210\u540e\uff0c\u4f60\u5c31\u53ef\u4ee5\u5411 LightRAG \u4e2d\u6dfb\u52a0\u4f60\u7684\u6587\u672c\u6570\u636e\u4e86\u3002ainsert<\/code>\u00a0\u65b9\u6cd5\u63a5\u6536\u4e00\u4e2a\u5b57\u7b26\u4e32\u6216\u5b57\u7b26\u4e32\u5217\u8868\u3002<\/p>\nasync def feed_data(rag_instance):\r\ntext_to_insert = \"\u53f2\u8482\u82ac\u00b7\u4e54\u5e03\u65af\u662f\u4e00\u4f4d\u7f8e\u56fd\u5546\u4e1a\u5de8\u5934\u548c\u53d1\u660e\u5bb6\u3002\u4ed6\u662f\u82f9\u679c\u516c\u53f8\u7684\u8054\u5408\u521b\u59cb\u4eba\u3001\u8463\u4e8b\u957f\u548c\u9996\u5e2d\u6267\u884c\u5b98\u3002\u4e54\u5e03\u65af\u88ab\u5e7f\u6cdb\u8ba4\u4e3a\u662f\u5fae\u578b\u8ba1\u7b97\u673a\u9769\u547d\u7684\u5148\u9a71\u3002\"\r\nawait rag_instance.ainsert(text_to_insert)\r\nprint(\"\u6570\u636e\u6295\u5582\u6210\u529f\uff01\")\r\n<\/code><\/pre>\n\u5728\u8fd9\u4e00\u6b65\uff0cLightRAG \u4f1a\u5728\u540e\u53f0\u81ea\u52a8\u5bf9\u6587\u672c\u8fdb\u884c\u5206\u5757\u3001\u63d0\u53d6\u5b9e\u4f53\u548c\u5173\u7cfb\u3001\u751f\u6210\u5411\u91cf\u5d4c\u5165\uff0c\u5e76\u6784\u5efa\u77e5\u8bc6\u56fe\u8c31\u3002<\/li>\n
- \u67e5\u8be2\u6570\u636e (Query)<\/strong>
\n\u6570\u636e\u6295\u5582\u5e76\u5efa\u7acb\u7d22\u5f15\u540e\uff0c\u5c31\u53ef\u4ee5\u8fdb\u884c\u67e5\u8be2\u4e86\u3002aquery<\/code>\u00a0\u65b9\u6cd5\u63a5\u6536\u4e00\u4e2a\u95ee\u9898\uff0c\u5e76\u901a\u8fc7\u00a0QueryParam<\/code>\u00a0\u5bf9\u8c61\u6765\u63a7\u5236\u67e5\u8be2\u7684\u884c\u4e3a\u3002<\/p>\nasync def ask_question(rag_instance):\r\nquery_text = \"\u8c01\u662f\u82f9\u679c\u516c\u53f8\u7684\u8054\u5408\u521b\u59cb\u4eba\uff1f\"\r\n# \u4f7f\u7528QueryParam\u914d\u7f6e\u67e5\u8be2\u6a21\u5f0f\r\n# \"hybrid\" \u6a21\u5f0f\u7ed3\u5408\u4e86\u5411\u91cf\u641c\u7d22\u548c\u56fe\u68c0\u7d22\uff0c\u63a8\u8350\u4f7f\u7528\r\nquery_params = QueryParam(mode=\"hybrid\")\r\nresponse = await rag_instance.aquery(query_text, param=query_params)\r\nprint(f\"\u95ee\u9898: {query_text}\")\r\nprint(f\"\u7b54\u6848: {response}\")\r\n<\/code><\/pre>\n<\/li>\n- \u7ec4\u5408\u5e76\u8fd0\u884c<\/strong>
\n\u6700\u540e\uff0c\u6211\u4eec\u5c06\u4ee5\u4e0a\u6b65\u9aa4\u6574\u5408\u5230\u4e00\u4e2a\u4e3b\u51fd\u6570\u4e2d\u5e76\u4f7f\u7528\u00a0asyncio<\/code>\u00a0\u6765\u8fd0\u884c\u3002<\/p>\nasync def main():\r\nrag = None\r\ntry:\r\nrag = await initialize_rag()\r\nawait feed_data(rag)\r\nawait ask_question(rag)\r\nexcept Exception as e:\r\nprint(f\"\u53d1\u751f\u9519\u8bef: {e}\")\r\nfinally:\r\nif rag:\r\n# \u7a0b\u5e8f\u7ed3\u675f\u65f6\u91ca\u653e\u5b58\u50a8\u8d44\u6e90\r\nawait rag.finalize_storages()\r\nif __name__ == \"__main__\":\r\nasyncio.run(main())\r\n<\/code><\/pre>\n<\/li>\n<\/ol>\n\u67e5\u8be2\u6a21\u5f0f\u8be6\u89e3<\/strong><\/h3>\nLightRAG \u63d0\u4f9b\u4e86\u591a\u79cd\u67e5\u8be2\u6a21\u5f0f\uff0c\u4ee5\u9002\u5e94\u4e0d\u540c\u7684\u5e94\u7528\u573a\u666f\uff1a<\/p>\n
\nnaive<\/code>: \u57fa\u7840\u7684\u5411\u91cf\u641c\u7d22\u6a21\u5f0f\uff0c\u9002\u7528\u4e8e\u7b80\u5355\u7684\u95ee\u7b54\u3002<\/li>\nlocal<\/code>: \u4fa7\u91cd\u4e8e\u4e0e\u67e5\u8be2\u76f4\u63a5\u76f8\u5173\u7684\u5b9e\u4f53\u4fe1\u606f\uff0c\u9002\u5408\u9700\u8981\u7cbe\u786e\u3001\u5177\u4f53\u7b54\u6848\u7684\u573a\u666f\u3002<\/li>\nglobal<\/code>: \u4fa7\u91cd\u4e8e\u5b9e\u4f53\u4e4b\u95f4\u7684\u5173\u7cfb\u548c\u5168\u5c40\u77e5\u8bc6\uff0c\u9002\u5408\u9700\u8981\u5b8f\u89c2\u3001\u5173\u8054\u6027\u7b54\u6848\u7684\u573a\u666f\u3002<\/li>\nhybrid<\/code>: \u7ed3\u5408\u4e86\u00a0local<\/code>\u00a0\u548c\u00a0global<\/code>\u00a0\u7684\u4f18\u70b9\uff0c\u662f\u529f\u80fd\u6700\u5168\u9762\u3001\u6548\u679c\u901a\u5e38\u4e5f\u6700\u597d\u7684\u6a21\u5f0f\u3002<\/li>\nmix<\/code>: \u96c6\u6210\u4e86\u77e5\u8bc6\u56fe\u8c31\u548c\u5411\u91cf\u68c0\u7d22\uff0c\u662f\u5927\u591a\u6570\u60c5\u51b5\u4e0b\u7684\u63a8\u8350\u6a21\u5f0f\u3002<\/li>\n<\/ul>\n\u901a\u8fc7\u5728\u00a0QueryParam<\/code>\u00a0\u4e2d\u8bbe\u7f6e\u00a0mode<\/code>\u00a0\u53c2\u6570\uff0c\u4f60\u53ef\u4ee5\u7075\u6d3b\u5730\u5207\u6362\u8fd9\u4e9b\u6a21\u5f0f\uff0c\u4ee5\u8fbe\u5230\u6700\u4f73\u7684\u67e5\u8be2\u6548\u679c\u3002<\/p>\n\u5e94\u7528\u573a\u666f<\/h2>\n\n- \u667a\u80fd\u5ba2\u670d\u4e0e\u95ee\u7b54\u7cfb\u7edf<\/strong>
\n\u4f01\u4e1a\u53ef\u4ee5\u5c06\u4ea7\u54c1\u624b\u518c\u3001\u5e2e\u52a9\u6587\u6863\u3001\u5386\u53f2\u5ba2\u670d\u8bb0\u5f55\u7b49\u5185\u90e8\u8d44\u6599\u6ce8\u5165LightRAG\uff0c\u6784\u5efa\u4e00\u4e2a\u80fd\u591f\u51c6\u786e\u3001\u5feb\u901f\u56de\u7b54\u5ba2\u6237\u95ee\u9898\u7684\u667a\u80fd\u5ba2\u670d\u673a\u5668\u4eba\u3002 \u7531\u4e8e\u7ed3\u5408\u4e86\u77e5\u8bc6\u56fe\u8c31\uff0c\u7cfb\u7edf\u4e0d\u4ec5\u80fd\u627e\u5230\u7b54\u6848\uff0c\u8fd8\u80fd\u7406\u89e3\u95ee\u9898\u80cc\u540e\u7684\u5173\u8054\u4fe1\u606f\uff0c\u63d0\u4f9b\u66f4\u5168\u9762\u7684\u89e3\u7b54\uff0c\u4f8b\u5982\u5728\u56de\u7b54\u4e00\u4e2a\u4ea7\u54c1\u529f\u80fd\u95ee\u9898\u65f6\uff0c\u53ef\u4ee5\u4e00\u5e76\u63d0\u4f9b\u76f8\u5173\u7684\u4f7f\u7528\u6280\u5de7\u6216\u5e38\u89c1\u95ee\u9898\u94fe\u63a5\u3002<\/li>\n- \u4f01\u4e1a\u5185\u90e8\u77e5\u8bc6\u5e93\u7ba1\u7406<\/strong>
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