{"id":92643,"date":"2026-08-10T20:08:50","date_gmt":"2026-08-10T12:08:50","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/92643.html"},"modified":"2026-08-10T20:08:50","modified_gmt":"2026-08-10T12:08:50","slug":"python%ef%bc%9a%e5%ad%97%e7%ac%a6%e4%b8%b2%e4%bc%aa%e8%a3%85%e5%88%97%e8%a1%a8%e3%80%81%e5%ad%97%e7%ac%a6%e4%b8%b2%e5%ba%8f%e5%88%97%e5%8c%96%e5%af%b9%e8%b1%a1%e8%a7%a3%e6%9e%90%e8%b8%a9%e5%9d%91","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/92643.html","title":{"rendered":"Python\uff1a\u5b57\u7b26\u4e32\u4f2a\u88c5\u5217\u8868\u3001\u5b57\u7b26\u4e32\u5e8f\u5217\u5316\u5bf9\u8c61\u89e3\u6790\u8e29\u5751\u5b9e\u6218"},"content":{"rendered":"

\u524d \u8a00<\/h3>\n

\u5728\u505a AI \u5e94\u7528\u5f00\u53d1\u65f6，\u6211\u4eec\u7ecf\u5e38\u4f1a\u62ff\u5230\u5404\u79cd \u201c\u770b\u8d77\u6765\u662f\u5bf9\u8c61，\u5b9e\u9645\u662f\u5b57\u7b26\u4e32\u201d \u7684\u6570\u636e：<\/p>\n

  • \u914d\u7f6e\u3001\u63a5\u53e3\u8fd4\u56de：'["qwen-turbo","qwen-plus","deepseek"]'，JSON \u683c\u5f0f\u7684\u5b57\u7b26\u4e32\u5217\u8868；<\/li>\n
  • \u65e5\u5fd7\u6253\u5370 \/ \u7f13\u5b58\u5b57\u7b26\u4e32：\u628aList[Document]\u76f4\u63a5\u8f6c\u5b57\u7b26\u4e32，\u5f97\u5230\u4e00\u957f\u4e32"[Document(metadata={…}, page_content='…'), …]"\u3002<\/li>\n

    \u65b0\u624b\u5bb9\u6613\u8e29\u5751：\u76f4\u63a5eval()\u3001\u76f4\u63a5split()\u66b4\u529b\u5207\u5272，\u8981\u4e48\u6709\u5b89\u5168\u6f0f\u6d1e，\u8981\u4e48\u89e3\u6790\u4e0d\u7a33\u5b9a\u3002\u4e0b\u9762\u4e24\u4e2a\u6848\u4f8b\u7531\u6d45\u5165\u6df1\u5206\u6790\u3002<\/p>\n

    \n

    \u6848\u4f8b\u4e00：JSON \u683c\u5f0f\u5b57\u7b26\u4e32\u8f6c List<\/h3>\n

    \u8f93\u5165\u5b57\u7b26\u4e32：<\/p>\n

    raw_str ='["qwen-turbo","qwen-plus","deepseek"]'<\/p>\n

    \u8fd9\u4e2a\u5b57\u7b26\u4e32\u662f\u6807\u51c6 JSON \u6570\u7ec4\u5b57\u7b26\u4e32\u3002<\/p>\n

    \u274c \u9519\u8bef\u5199\u6cd5 1：\u76f4\u63a5 split \u5206\u5272<\/h4>\n

    # \u4e0d\u63a8\u8350！\u5982\u679c\u5b57\u7b26\u4e32\u5185\u90e8\u5305\u542b\u9017\u53f7\u3001\u5f15\u53f7\u76f4\u63a5\u5d29\u6389
    \nres = raw_str.strip('[]').split(',')<\/p>\n

    \u95ee\u9898：\u4e00\u65e6\u5143\u7d20\u5185\u90e8\u51fa\u73b0\u9017\u53f7\u3001\u8f6c\u4e49\u5f15\u53f7，\u5206\u5272\u76f4\u63a5\u51fa\u9519，\u9c81\u68d2\u6027\u6781\u5dee\u3002<\/p>\n

    \u274c \u9519\u8bef\u5199\u6cd5 2：eval \u6267\u884c<\/h4>\n

    res = eval(raw_str)<\/p>\n

    \u867d\u7136\u8fd9\u91cc\u53ef\u4ee5\u8dd1\u901a，eval \u6781\u5ea6\u5371\u9669：\u5982\u679c\u5b57\u7b26\u4e32\u6765\u6e90\u662f\u7528\u6237\u8f93\u5165，\u4f20\u5165\u6076\u610f\u4ee3\u7801，\u4f1a\u76f4\u63a5\u6267\u884c\u4efb\u610f\u7cfb\u7edf\u547d\u4ee4，\u751f\u4ea7\u73af\u5883\u4e25\u7981\u4f7f\u7528\u3002<\/p>\n

    \u2705 \u6807\u51c6\u65b9\u6848：\u4f7f\u7528json.loads()<\/h4>\n

    import json<\/p>\n

    raw_str ='["qwen-turbo","qwen-plus","deepseek"]'
    \nmodel_list: list = json.loads(raw_str)
    \nprint(model_list)
    \n# ['qwen-turbo', 'qwen-plus', 'deepseek']
    \nprint(type(model_list)) # <class 'list'><\/p>\n

    💡\u77e5\u8bc6\u70b9：<\/p>\n

      \n
    • json.loads()：\u5b89\u5168\u7684 JSON \u5b57\u7b26\u4e32\u53cd\u5e8f\u5217\u5316，\u53ea\u89e3\u6790 JSON \u6570\u636e，\u4e0d\u4f1a\u6267\u884c\u4ee3\u7801；<\/li>\n
    • json.dumps()：\u5bf9\u8c61\u8f6c\u4e3a JSON \u5b57\u7b26\u4e32\u3002<\/li>\n<\/ul>\n

      \u8fb9\u754c\u63d0\u9192：JSON \u5b57\u7b26\u4e32\u5fc5\u987b\u662f\u53cc\u5f15\u53f7，\u5355\u5f15\u53f7\u7684\u5b57\u7b26\u4e32 json \u5e93\u4f1a\u62a5\u9519\u3002\u5982\u679c\u9047\u5230\u5355\u5f15\u53f7 JSON，\u9700\u8981\u7279\u6b8a\u5904\u7406，\u4e0d\u8981\u76f4\u63a5\u4e22\u7ed9 eval\u3002<\/p>\n

      \n

      \u6848\u4f8b\u4e8c：\u5b57\u7b26\u4e32\u5316\u7684 LangChain Document \u5bf9\u8c61，\u63d0\u53d6 page<\/h3>\n

      \u95ee\u9898\u80cc\u666f： \u5f53\u4f60\u6267\u884cstr([Document(…), Document(…)])，\u5c31\u4f1a\u5f97\u5230\u9898\u76ee\u4e2d\u7684\u8fd9\u4e00\u5927\u6bb5\u5b57\u7b26\u4e32\u3002 \u6ce8\u610f：\u8fd9\u4e0d\u662f JSON！\u8fd9\u662f Python \u5bf9\u8c61\u6253\u5370\u8f93\u51fa\u7684\u6587\u672c\u8868\u793a\u3002<\/p>\n

      "[Document(metadata={'pk': 12, 'page': 2}, page_content='xxx'), Document(…)]"<\/p>\n

      \u6211\u4eec\u7684\u76ee\u6807：\u63d0\u53d6\u6bcf\u4e00\u4e2a Document \u91cc\u9762metadata["page"]\u9875\u7801，\u5e76\u4e14\u62fc\u63a5page_content\u6587\u672c\u3002<\/p>\n

      \u274c \u4e3a\u4ec0\u4e48\u4e0d\u80fd\u7528 json.loads？<\/h4>\n
    • \u91cc\u9762\u662fDocument(…)，\u8fd9\u662f Python \u7c7b\u5b9e\u4f8b，JSON \u6ca1\u6709 Document \u7c7b\u578b；<\/li>\n
    • \u5b57\u5178\u5185\u90e8\u4f7f\u7528\u5355\u5f15\u53f7{'pk':12}，JSON \u89c4\u8303\u5f3a\u5236\u53cc\u5f15\u53f7； \u76f4\u63a5json.loads()\u76f4\u63a5\u629b\u51fa\u5f02\u5e38，\u5b8c\u5168\u65e0\u6cd5\u89e3\u6790\u3002<\/li>\n

      \u26a0\ufe0f \u4e0d\u63a8\u8350\u65b9\u6848：eval<\/h4>\n

      # \u4ec5\u672c\u5730\u8c03\u8bd5\u53ef\u4ee5\u770b\u6548\u679c，\u751f\u4ea7\u7edd\u5bf9\u7981\u6b62！
      \ndoc_str = """[Document(metadata={'pk': 12, 'page': 2}, page_content='xxx'), …]"""
      \ndocs = eval(doc_str)<\/p>\n

        \n
      • \u4f18\u70b9：\u4e00\u884c\u4ee3\u7801\u76f4\u63a5\u8fd8\u539fList[Document]\u5bf9\u8c61；<\/li>\n
      • \u81f4\u547d\u98ce\u9669：\u5982\u679c\u5b57\u7b26\u4e32\u6765\u81ea\u5916\u90e8\u8f93\u5165，\u653b\u51fb\u8005\u53ef\u4ee5\u6ce8\u5165\u6076\u610f Python \u4ee3\u7801，\u670d\u52a1\u5668\u76f4\u63a5\u6ca6\u9677\u3002<\/li>\n<\/ul>\n

        \u9002\u7528\u573a\u666f：\u4ec5\u9650\u672c\u5730\u8c03\u8bd5\u3001\u81ea\u5df1\u751f\u6210\u7684\u65e5\u5fd7\u5b57\u7b26\u4e32；\u63a5\u53e3\u3001\u7528\u6237\u8f93\u5165\u7edd\u5bf9\u7981\u7528 eval\u3002<\/p>\n

        \u2705 \u65b9\u6848 A：\u5b89\u5168\u89e3\u6790 \u2014\u2014 pyparsing \/ast.literal_eval（\u63a8\u8350）<\/h4>\n

        ast.literal_eval \u662f\u5b89\u5168\u7248\u672c\u7684 eval，\u53ea\u89e3\u6790 Python \u5b57\u9762\u91cf：\u5217\u8868\u3001\u5b57\u5178\u3001\u5bf9\u8c61\u8c03\u7528\u5f62\u5f0f，\u4e0d\u4f1a\u6267\u884c\u51fd\u6570\u548c\u6076\u610f\u4ee3\u7801\u3002 \u4f46\u662f\u6ce8\u610f：ast.literal_eval\u53ef\u4ee5\u89e3\u6790Dict\u3001List，\u4f46\u662f\u4e0d\u80fd\u76f4\u63a5\u5b9e\u4f8b\u5316 Document \u7c7b，\u9047\u5230Document(…)\u4f1a\u62a5\u9519\u3002<\/p>\n

        \u6240\u4ee5\u5206\u4e24\u6761\u8def\u7ebf：<\/p>\n

      • \u5982\u679c\u4f60\u624b\u4e0a\u6709 Document \u7c7b（\u5df2\u7ecf\u5bfc\u5165 langchain \u7684 Document），\u53ef\u4ee5\u7ed3\u5408 ast \u505a\u6709\u9650\u89e3\u6790；<\/li>\n
      • \u5982\u679c\u53ea\u6709\u7eaf\u5b57\u7b26\u4e32\u6587\u672c，\u6ca1\u6709 Document \u7c7b，\u6211\u4eec\u505a\u6b63\u5219\u63d0\u53d6，\u53ea\u62ff\u6211\u4eec\u5173\u5fc3\u7684page\u548cpage_content\u3002<\/li>\n
        \u65b9\u6848 A\u20111：\u6b63\u5219\u63d0\u53d6（\u53ea\u62ff\u6570\u636e，\u4e0d\u9700\u8981\u8fd8\u539f Document \u5bf9\u8c61，\u6700\u7a33\u59a5）<\/h5>\n

        \u4e0d\u9700\u8981\u5bfc\u5165 langchain，\u4e0d\u5b9e\u4f8b\u5316\u5bf9\u8c61，\u6b63\u5219\u628apage\u6570\u5b57\u3001page_content\u5185\u5bb9\u63d0\u53d6\u51fa\u6765\u3002<\/p>\n

        import re<\/p>\n

        doc_str = """[Document(metadata={'pk': 12, 'page': 2}, page_content='2. \u8d39\u2f64\u62a5\u9500：…'), Document(metadata={'pk': 27, 'page': 2}, page_content='2. \u8d39\u2f64\u62a5\u9500:…'), Document(metadata={'pk': 14, 'page': 3}, page_content='3. \u6700\u540e\u8b66\u544a：…')]"""<\/p>\n

        # \u6b63\u5219\u5339\u914d metadata={'xxx','page': N}，\u63d0\u53d6page\u6570\u5b57
        \npage_pattern = re.compile(r"metadata=\\\\{.*?'page':\\\\s*(\\\\d+)")
        \n# \u63d0\u53d6page_content\u7684\u6587\u672c
        \ncontent_pattern = re.compile(r"page_content='(.*?)'\\\\)", re.S)<\/p>\n

        pages = page_pattern.findall(doc_str)
        \ncontents = content_pattern.findall(doc_str)<\/p>\n

        # pages\u662f\u5b57\u7b26\u4e32\u6570\u5b57，\u8f6cint
        \npage_nums = [int(p) for p in pages]
        \nfull_text = "\\\\n".join(contents)<\/p>\n

        print("\u63d0\u53d6\u5230\u9875\u7801\u5217\u8868：", page_nums)
        \nprint("\u62fc\u63a5\u540e\u7684\u5168\u90e8\u6587\u6863\u6587\u672c:\\\\n", full_text)<\/p>\n

          \n
        • \u4f18\u70b9：\u96f6\u4f9d\u8d56\u3001\u5b89\u5168，\u4e0d\u6015\u6076\u610f\u8f93\u5165，\u4e0d\u9700\u8981\u5bfc\u5165 Document \u7c7b；<\/li>\n
        • \u7f3a\u70b9：\u5b57\u7b26\u4e32\u683c\u5f0f\u5982\u679c\u53d1\u751f\u53d8\u5316（\u7a7a\u683c\u3001\u6362\u884c）\u9700\u8981\u5fae\u8c03\u6b63\u5219；\u9002\u5408\u65e5\u5fd7\u3001\u7f13\u5b58\u5b57\u7b26\u4e32\u89e3\u6790\u573a\u666f\u3002<\/li>\n<\/ul>\n
          \u65b9\u6848 A\u20112：\u53d7\u63a7 eval \/ast.literal_eval + Document \u7c7b（\u4ec5\u9650\u53ef\u4fe1\u5185\u90e8\u6570\u636e\u6e90）<\/h5>\n

          \u26a0\ufe0f \u524d\u63d0：\u5b57\u7b26\u4e32\u6765\u6e90\u662f\u7a0b\u5e8f\u81ea\u5df1\u6253\u5370\u8f93\u51fa\u7684\u65e5\u5fd7，\u4e0d\u662f\u7528\u6237\u8f93\u5165\u3002<\/p>\n

          from langchain_core.documents import Document
          \nimport ast<\/p>\n

          raw_s = """[Document(metadata={'pk': 12, 'page': 2}, page_content='demo'),Document(metadata={'pk': 14, 'page':3}, page_content='demo2')]"""<\/p>\n

          # ast.literal_eval \u65e0\u6cd5\u76f4\u63a5\u5904\u7406Document(…)，\u6240\u4ee5eval\u5728\u8fd9\u91cc，\u4ec5\u9650\u53ef\u4fe1\u6570\u636e\u6e90
          \ndocs = eval(raw_s)<\/p>\n

          page_list = [doc.metadata["page"] for doc in docs]
          \nall_text = "\\\\n".join([doc.page_content for doc in docs])<\/p>\n

          print(page_list)
          \nprint(all_text)<\/p>\n

          💡\u91cd\u8981\u63d0\u9192：<\/p>\n

          ast.literal_eval\u4e0d\u652f\u6301\u7c7b\u5b9e\u4f8b\u5316\u8868\u8fbe\u5f0fDocument()，\u6240\u4ee5\u8fd9\u79cd\u6253\u5370\u51fa\u6765\u7684\u5bf9\u8c61\u5b57\u7b26\u4e32，ast.literal_eval\u4f1a\u629b\u5f02\u5e38，\u8fd9\u79cd\u573a\u666f\u4e0b ast \u4e0d\u80fd\u66ff\u4ee3 eval\u3002 \u8bb0\u4f4f\u5206\u754c\u7ebf：\u53ea\u8981\u6587\u672c\u6765\u81ea\u5916\u90e8\u7528\u6237\u8f93\u5165，\u575a\u51b3\u4e0d\u80fd eval\u3002<\/p>\n

          \u2705 \u6700\u4f73\u5de5\u7a0b\u5b9e\u8df5：\u4e0d\u8981\u628astr(list[Document])\u5f53\u505a\u6301\u4e45\u5316\u5b58\u50a8<\/h4>\n

          \u5f88\u591a\u4eba\u8e29\u5751\u6839\u6e90：\u628astr(docs)\u76f4\u63a5\u5b58\u6570\u636e\u5e93\u3001\u7f13\u5b58\u3002\u8fd9\u662f\u9519\u8bef\u505a\u6cd5！ LangChain \u539f\u751f\u63d0\u4f9b\u5e8f\u5217\u5316\u65b9\u6cd5：<\/p>\n

          from langchain_core.documents import Document<\/p>\n

          docs: list[Document] = […]
          \n# \u5bf9\u8c61\u8f6c\u53ef\u5e8f\u5217\u5316\u5b57\u5178\u5217\u8868
          \ndict_list = [doc.model_dump() for doc in docs]<\/p>\n

          # \u4fdd\u5b58\u4e3ajson\u5b57\u7b26\u4e32
          \nimport json
          \njson_str = json.dumps(dict_list, ensure_ascii=False)<\/p>\n

          # \u8fd8\u539f\u56de\u6765
          \nloaded_dicts = json.loads(json_str)
          \nrestore_docs = [Document(**item) for item in loaded_dicts]<\/p>\n

          \u2705 \u5b58\u7684\u65f6\u5019\u8f6c\u6807\u51c6 JSON，\u8bfb\u53d6\u7684\u65f6\u5019\u518d\u91cd\u5efa Document \u5bf9\u8c61，\u4ece\u6839\u6e90\u907f\u514d\u8fd9\u79cd\u8be1\u5f02\u7684 \u201c\u5bf9\u8c61\u6253\u5370\u5b57\u7b26\u4e32\u201d\u3002<\/p>\n

          \u8fd9\u624d\u662f\u751f\u4ea7\u73af\u5883\u6807\u51c6\u505a\u6cd5，\u4e0d\u8981\u628a\u5bf9\u8c61 print \u51fa\u6765\u7684\u6587\u672c\u62ff\u6765\u89e3\u6790\u3002<\/p>\n

          \n

          \u6838\u5fc3\u603b\u7ed3\u5bf9\u7167\u8868<\/h3>\n\n\u573a\u666f\u8f93\u5165\u6837\u4f8b\u63a8\u8350\u65b9\u6848\u7981\u6b62<\/tr>\n\n\n\n
          \u6807\u51c6 JSON \u6570\u7ec4\u5b57\u7b26\u4e32<\/td>\n'["a","b"]'<\/td>\njson.loads()<\/td>\neval\u3001split \u7c97\u66b4\u5206\u5272<\/td>\n<\/tr>\n
          Python \u6253\u5370\u8f93\u51fa\u5bf9\u8c61\u5b57\u7b26\u4e32 [Document(…)]<\/td>\nstr([Document()])<\/td>\n1. \u4f18\u5148\u4f7f\u7528 model_dump \u505a\u6807\u51c6 JSON \u5e8f\u5217\u5316；2. \u672c\u5730\u8c03\u8bd5\u53ef\u4fe1\u6570\u636e\u7528 eval；3. \u5916\u90e8\u6765\u6e90\u4f7f\u7528\u6b63\u5219\u63d0\u53d6<\/td>\n\u7528\u6237\u8f93\u5165\u4e0b\u4f7f\u7528 eval<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

          \u5173\u952e\u5b89\u5168\u539f\u5219<\/h4>\n
        • \u4f46\u51e1\u5b57\u7b26\u4e32\u6765\u81ea\u7528\u6237\u3001\u63a5\u53e3\u8bf7\u6c42\u3001\u5916\u90e8\u7f51\u7edc，\u6c38\u8fdc\u4e0d\u8981\u8c03\u7528eval()；<\/li>\n
        • \u5c3d\u91cf\u4e0d\u8981\u4f9d\u8d56str(\u5bf9\u8c61)\u7684\u8f93\u51fa\u505a\u89e3\u6790，\u6253\u5370\u8f93\u51fa\u662f\u7ed9\u4eba\u770b\u7684，\u4e0d\u662f\u7528\u6765\u7a0b\u5e8f\u89e3\u6790；<\/li>\n
        • \u5bf9\u8c61\u6301\u4e45\u5316，\u4f18\u5148\u8f6c\u4e3a\u6807\u51c6 JSON \u7ed3\u6784，\u907f\u514d\u540e\u9762\u5404\u79cd\u5947\u8469\u89e3\u6790\u96be\u9898\u3002<\/li>\n

          \u62d3\u5c55\u601d\u8003<\/h4>\n

          1\ufe0f\u20e3 \u4ec0\u4e48\u65f6\u5019\u7528ast.literal_eval？ \u5f53\u4f60\u62ff\u5230\u7684\u5b57\u7b26\u4e32\u662f\u5355\u5f15\u53f7\u7684 python \u5b57\u9762\u91cf，\u6bd4\u5982"{'name':'test'}"，\u4e0d\u662f\u6807\u51c6 JSON，\u53ef\u4ee5\u4f7f\u7528ast.literal_eval\u5b89\u5168\u89e3\u6790\u5b57\u5178，\u5b83\u53ef\u4ee5\u5904\u7406\u5355\u5f15\u53f7\u5b57\u5178，\u4e14\u4e0d\u4f1a\u6267\u884c\u4ee3\u7801\u3002<\/p>\n

          import ast
          \nd = ast.literal_eval("{'page': 2}")<\/p>\n

          2\ufe0f\u20e3 RAG \u5f00\u53d1\u4e2d\u5f88\u591a\u5751\u90fd\u6765\u81ea\u5e8f\u5217\u5316：\u5411\u91cf\u5e93\u8fd4\u56de Document\u3001LLM \u8f93\u51fa\u5b57\u7b26\u4e32\u3001\u7f13\u5b58\u6570\u636e，\u4e00\u5b9a\u8981\u505a\u597d\u8fb9\u754c\u5904\u7406\u3002<\/p>\n

          \u5b8c\u6574\u53ef\u8fd0\u884c\u4ee3\u7801\u6c47\u603b<\/h3>\n

          # ========== \u7b2c\u4e00\u9898 \u6807\u51c6JSON\u5b57\u7b26\u4e32\u8f6clist ==========
          \nimport json
          \nraw_str ='["qwen-turbo","qwen-plus","deepseek"]'
          \nmodel_list = json.loads(raw_str)
          \nprint("\u7b2c\u4e00\u9898\u7ed3\u679c：", model_list)<\/p>\n

          # ========== \u7b2c\u4e8c\u9898 \u5b57\u7b26\u4e32\u5316Document，\u6b63\u5219\u63d0\u53d6page\u548c\u5185\u5bb9 ==========
          \nimport re<\/p>\n

          doc_str = """[Document(metadata={'pk': 12, 'page': 2}, page_content='2. \u8d39\u2f64\u62a5\u9500： \u4e1a\u52a1\u6d3b\u52a8\u4e2d\u4ea7\u2f63\u7684\u8d39\u2f64，\u987b\u51ed\u771f \u5b9e\u3001\u5408\u89c4\u7684\u53d1\u7968，\u5e76\u5199\u660e\u4e8b\u7531，\u7ecf\u5ba1\u6279\u540e\u2f45\u53ef\u62a5\u9500\u3002\u4e25\u7981\u865a\u62a5\u3001\\\\\\\\n\u8c0e\u62a5\u8d39\u2f64\u3002\\\\\\\\n\u7b2c\u4e94\u7ae0 \u5956\u60e9\u5236\u5ea6 \\\\\\\\n\u7b2c13\u6761 \u5956\u52b1\\\\\\\\n\u5bf9\u4e8e\u7b26\u5408\u4e0b\u5217\u6761\u4ef6\u7684\u5458\u2f2f，\u516c\u53f8\u5c06\u89c6\u60c5\u51b5\u7ed9\u4e88\u901a\u62a5\u8868\u626c\u3001\u5956\u2fa6\u3001\u664b\u5347\u7b49\u5956\u52b1：\\\\\\\\n1. \u8d85\u989d\u5b8c\u6210\u9500\u552e\u6307\u6807，\u4e1a\u7ee9\u7a81\u51fa\u8005\u3002\\\\\\\\n2. \u63d0\u51fa\u5408\u7406\u5316\u5efa\u8bae，\u7ecf\u91c7\u7eb3\u540e\u4e3a\u516c\u53f8\u5e26\u6765\u663e\u8457\u6548\u76ca\u8005\u3002\\\\\\\\n3. \u5728\u7ef4\u62a4\u516c\u53f8\u5229\u76ca\u548c\u58f0\u8a89\u2f45\u2faf\u6709\u91cd \u2f24\u8d21\u732e\u8005\u3002'), Document(metadata={'pk': 27, 'page': 2}, page_content='2. \u8d39\u2f64\u62a5\u9500： \u4e1a\u52a1\u6d3b\u52a8\u4e2d\u4ea7\u2f63\u7684\u8d39\u2f64，\u987b\u51ed\u771f\u5b9e\u3001\u5408\u89c4\u7684\u53d1\u7968，\u5e76\u5199\u660e\u4e8b\u7531，\u7ecf\u5ba1\u6279\u540e\u2f45\u53ef\u62a5\u9500\u3002\u4e25\u7981\u865a\u62a5\u3001\\\\\\\\n\u8c0e\u62a5\u8d39\u2f64\u3002\\\\\\\\n\u7b2c\u4e94\u7ae0 \u5956\u60e9\u5236\u5ea6 \\\\\\\\n\u7b2c13\u6761 \u5956\u52b1\\\\\\\\n\u5bf9\u4e8e\u7b26\u5408\u4e0b\u5217\u6761\u4ef6\u7684\u5458\u2f2f，\u516c\u53f8\u5c06\u89c6\u60c5\u51b5\u7ed9\u4e88\u901a\u62a5\u8868\u626c\u3001\u5956\u2fa6\u3001\u664b\u5347\u7b49\u5956\u52b1：\\\\\\\\n1. \u8d85\u989d\u5b8c\u6210\u9500\u552e\u6307\u6807，\u4e1a\u7ee9\u7a81\u51fa\u8005\u3002\\\\\\\\n2. \u63d0\u51fa\u5408\u7406\u5316\u5efa\u8bae，\u7ecf\u91c7\u7eb3\u540e\u4e3a\u516c\u53f8\u5e26\u6765\u663e\u8457\u6548\u76ca\u8005\u3002\\\\\\\\n3. \u5728\u7ef4\u62a4\u516c\u53f8\u5229\u76ca\u548c \u58f0\u8a89\u2f45\u2faf\u6709\u91cd\u2f24\u8d21\u732e\u8005\u3002'), Document(metadata={'pk': 14, 'page': 3}, page_content='3. \u6700\u540e\u8b66\u544a： \u60c5\u8282\u4e25\u91cd，\u7559\u53f8\u5bdf\u770b\u3002\\\\\\\\n4. \u2f74\u5373\u89e3\u96c7： \u5bf9\u4e8e\u4e25\u91cd\u8fdd\u7eaa\u8005，\u516c\u53f8\u6709\u6743\u5355\u2f45\u2faf\u2f46\u6761\u4ef6\u89e3\u9664\u52b3\u52a8\u5408\u540c，\u2f46\u9700\u2f40\u4ed8\u7ecf\u6d4e\u8865\u507f\u2fa6\u3002\u4e25\u91cd\u8fdd\u7eaa\u5305\u62ec\u4f46\\\\\\\\n\u4e0d\u9650\u4e8e：\\\\\\\\n\u8d2a\u6c61\u3001\u53d7\u8d3f\u3001\u6cc4\u9732\u6838\u2f3c\u5546\u4e1a\u79d8\u5bc6\u3002\\\\\\\\n\u865a\u62a5\u4e1a\u7ee9\u3001\u4f2a\u9020\u9500\u552e\u8bb0\u5f55\u6216\u62a5\u9500\u51ed\u8bc1\u3002\\\\\\\\n\u2ed3\u671f\u65f7\u2f2f（\u8fde\u7eed\u4e09\u5929\u6216\u2f49\u7d2f\u8ba1\u4e94\u5929）\u3002\\\\\\\\n\u4e25\u91cd\u5931\u804c，\u7ed9\u516c\u53f8\u9020\u6210\u91cd\u2f24\u7ecf\u6d4e\u635f\u5931\u6216\u58f0\u8a89\u635f\u5bb3\u3002\\\\\\\\n\u8fdd\u53cd\u56fd\u5bb6\u6cd5\u5f8b\u6cd5\u89c4，\u88ab\u4f9d\u6cd5\u8ffd\u7a76\u5211\u4e8b\u8d23\u4efb\u3002\\\\\\\\n\u7b2c\u516d\u7ae0 \u9644\u5219 \\\\\\\\n\u7b2c15\u6761 \u5b88\u5219\u7684\u4fee\u8ba2\u4e0e\u89e3\u91ca')]"""<\/p>\n

          page_pattern = re.compile(r"metadata=\\\\{.*?'page':\\\\s*(\\\\d+)")
          \ncontent_pattern = re.compile(r"page_content='(.*?)'\\\\)", re.S)<\/p>\n

          page_nums = [int(x) for x in page_pattern.findall(doc_str)]
          \ncontent_list = content_pattern.findall(doc_str)
          \nconcat_text = "\\\\n".join(content_list)<\/p>\n

          print("\\\\n\u7b2c\u4e8c\u9898\u63d0\u53d6\u9875\u7801：", page_nums)
          \nprint("\\\\n\u62fc\u63a5\u540e\u7684\u6587\u6863\u5185\u5bb9：")
          \nprint(concat_text)<\/p>\n

          # ========== \u751f\u4ea7\u73af\u5883\u6b63\u786e\u5b58\u50a8Document\u793a\u8303 ==========
          \nfrom langchain_core.documents import Document<\/p>\n

          # \u6a21\u62df\u539f\u59cbdocument\u5bf9\u8c61
          \ndocs = [
          \n Document(metadata={"page":1}, page_content="\u6587\u68631"),
          \n Document(metadata={"page":2}, page_content="\u6587\u68632"),
          \n]
          \n# \u5bf9\u8c61\u8f6c\u53ef\u5e8f\u5217\u5316\u5b57\u5178
          \ndump_data = [d.model_dump() for d in docs]
          \njson_text = json.dumps(dump_data, ensure_ascii=False)
          \nprint("\\\\n\u2705\u751f\u4ea7\u73af\u5883\u5e8f\u5217\u5316\u7ed3\u679c：", json_text)
          \n# \u6062\u590d
          \nrecover_docs = [Document(**item) for item in json.loads(json_text)]
          \nprint("\u2705\u6062\u590d\u540e\u7684\u5bf9\u8c61：", recover_docs)<\/p>\n","protected":false},"excerpt":{"rendered":"

          \u524d \u8a00\u5728\u505a AI \u5e94\u7528\u5f00\u53d1\u65f6，\u6211\u4eec\u7ecf\u5e38\u4f1a\u62ff\u5230\u5404\u79cd \u201c\u770b\u8d77\u6765\u662f\u5bf9\u8c61，\u5b9e\u9645\u662f\u5b57\u7b26\u4e32\u201d \u7684\u6570\u636e：\u914d\u7f6e\u3001\u63a5\u53e3\u8fd4\u56de：[\\”qwen-turbo\\”,\\”qwen-plus\\”,\\”deepseek\\”]，JSON \u683c\u5f0f\u7684\u5b57\u7b26\u4e32\u5217\u8868；\u65e5\u5fd7\u6253\u5370 \/ \u7f13\u5b58\u5b57\u7b26\u4e32：\u628aList[Document]\u76f4\u63a5\u8f6c\u5b57\u7b26\u4e32，\u5f97\u5230\u4e00\u957f\u4e32\\”[Document(metadata{…}, page_content.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[99,81,43],"topic":[],"class_list":["post-92643","post","type-post","status-publish","format-standard","hentry","category-server","tag-java","tag-python","tag-43"],"yoast_head":"\nPython\uff1a\u5b57\u7b26\u4e32\u4f2a\u88c5\u5217\u8868\u3001\u5b57\u7b26\u4e32\u5e8f\u5217\u5316\u5bf9\u8c61\u89e3\u6790\u8e29\u5751\u5b9e\u6218 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/92643.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Python\uff1a\u5b57\u7b26\u4e32\u4f2a\u88c5\u5217\u8868\u3001\u5b57\u7b26\u4e32\u5e8f\u5217\u5316\u5bf9\u8c61\u89e3\u6790\u8e29\u5751\u5b9e\u6218 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u524d \u8a00\u5728\u505a AI \u5e94\u7528\u5f00\u53d1\u65f6，\u6211\u4eec\u7ecf\u5e38\u4f1a\u62ff\u5230\u5404\u79cd \u201c\u770b\u8d77\u6765\u662f\u5bf9\u8c61，\u5b9e\u9645\u662f\u5b57\u7b26\u4e32\u201d \u7684\u6570\u636e：\u914d\u7f6e\u3001\u63a5\u53e3\u8fd4\u56de：["qwen-turbo","qwen-plus","deepseek"]，JSON \u683c\u5f0f\u7684\u5b57\u7b26\u4e32\u5217\u8868；\u65e5\u5fd7\u6253\u5370 \/ \u7f13\u5b58\u5b57\u7b26\u4e32：\u628aList[Document]\u76f4\u63a5\u8f6c\u5b57\u7b26\u4e32，\u5f97\u5230\u4e00\u957f\u4e32"[Document(metadata{...}, page_content.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/92643.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-08-10T12:08:50+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/92643.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/92643.html\",\"name\":\"Python\uff1a\u5b57\u7b26\u4e32\u4f2a\u88c5\u5217\u8868\u3001\u5b57\u7b26\u4e32\u5e8f\u5217\u5316\u5bf9\u8c61\u89e3\u6790\u8e29\u5751\u5b9e\u6218 - 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