{"id":98988,"date":"2026-09-01T20:24:57","date_gmt":"2026-09-01T12:24:57","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/98988.html"},"modified":"2026-09-01T20:24:57","modified_gmt":"2026-09-01T12:24:57","slug":"function-calling-%e7%9a%84%e5%b7%a5%e7%a8%8b%e5%8c%96%e5%ae%9e%e8%b7%b5%e5%87%bd%e6%95%b0%e5%ae%9a%e4%b9%89%e8%ae%be%e8%ae%a1%e3%80%81%e5%b9%bb%e8%a7%89%e9%98%b2%e6%8a%a4%e4%b8%8e%e5%a4%b1%e8%b4%a5","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/98988.html","title":{"rendered":"Function Calling \u7684\u5de5\u7a0b\u5316\u5b9e\u8df5:\u51fd\u6570\u5b9a\u4e49\u8bbe\u8ba1\u3001\u5e7b\u89c9\u9632\u62a4\u4e0e\u5931\u8d25\u91cd\u8bd5\u7684 12 \u4e2a\u5751"},"content":{"rendered":"

\u4e00\u3001Function Calling \u662f Agent \u7684\u57fa\u77f3,\u4e5f\u662f\u7ffb\u8f66\u91cd\u707e\u533a<\/h3>\n

\u5982\u679c\u8bf4\u5355\u8f6e\u5bf9\u8bdd\u53ea\u662f"\u8c03\u7528\u4e00\u6b21 LLM",\u90a3 Function Calling \u5c31\u662f\u8ba9 LLM **\u4ece"\u4f1a\u8bf4"\u53d8\u6210"\u80fd\u505a"**\u7684\u90a3\u4e00\u6b65:\u6a21\u578b\u4e0d\u518d\u53ea\u5410\u6587\u672c,\u800c\u662f\u8f93\u51fa\u7ed3\u6784\u5316\u8c03\u7528\u610f\u56fe,\u7531\u4f60\u7684\u4ee3\u7801\u53bb\u6267\u884c\u771f\u5b9e\u64cd\u4f5c\u2014\u2014\u67e5\u8ba2\u5355\u3001\u53d1\u6d88\u606f\u3001\u5199\u6570\u636e\u5e93\u3002<\/p>\n

\u4f46\u6240\u6709\u505a\u8fc7\u751f\u4ea7\u7684\u5de5\u7a0b\u5e08\u90fd\u6709\u540c\u611f:Function Calling \u5728 Demo \u91cc\u767e\u53d1\u767e\u4e2d,\u4e0a\u7ebf\u540e\u5929\u5929\u7ffb\u8f66\u3002\u7ffb\u8f66\u70b9\u96c6\u4e2d\u5728\u4e09\u4e2a\u5c42\u9762:\u51fd\u6570\u5b9a\u4e49\u5199\u5f97\u4e0d\u591f\u597d,\u6a21\u578b\u5c31\u9009\u9519\u3001\u731c\u9519;\u6a21\u578b\u5e7b\u89c9\u4ea7\u751f,\u5e94\u7528\u5c42\u6beb\u65e0\u9632\u62a4;\u5de5\u5177\u6267\u884c\u5931\u8d25,\u91cd\u8bd5\u7b56\u7565\u53cd\u800c\u653e\u5927\u4e8b\u6545\u3002\u8fd9\u7bc7\u6587\u7ae0\u628a 12 \u4e2a\u6700\u5e38\u89c1\u7684\u5751\u6309\u8fd9\u56db\u4e2a\u5c42\u9762\u62c6\u5f00\u8bb2,\u6bcf\u4e2a\u5751\u90fd\u7ed9\u51fa"\u73b0\u8c61 \u2192 \u6839\u56e0 \u2192 \u89e3\u6cd5"\u3002<\/p>\n

\u4e8c\u3001\u51fd\u6570\u5b9a\u4e49\u8bbe\u8ba1:\u6a21\u578b\u4e00\u534a\u7684"\u9519"\u90fd\u662f\u4f60\u9020\u6210\u7684<\/h3>\n

\u5751 1:description \u5199\u5f97\u50cf\u5e9f\u8bdd,\u6a21\u578b\u53ea\u80fd\u9760\u51fd\u6570\u540d\u778e\u731c<\/h4>\n

\u6a21\u578b\u505a\u5de5\u5177\u9009\u62e9\u7684\u552f\u4e00\u4f9d\u636e,\u5c31\u662f name \u548c description\u3002\u5f88\u591a\u4eba\u5199:<\/p>\n

{<\/span>"name"<\/span>:<\/span> "get_order"<\/span>,<\/span> "description"<\/span>:<\/span> "\u67e5\u8be2\u8ba2\u5355"<\/span>}<\/span><\/p>\n

"\u67e5\u8be2\u8ba2\u5355"\u56db\u4e2a\u5b57,\u6a21\u578b\u65e2\u4e0d\u77e5\u9053\u53c2\u6570\u683c\u5f0f,\u4e5f\u4e0d\u77e5\u9053\u8fd4\u56de\u4ec0\u4e48\u3001\u4ec0\u4e48\u65f6\u5019\u8be5\u7528\u3002\u6b63\u786e\u7684\u63cf\u8ff0\u8981\u56de\u7b54\u4e09\u4e2a\u95ee\u9898:\u8fd9\u4e2a\u51fd\u6570\u505a\u4ec0\u4e48\u3001\u53c2\u6570\u662f\u4ec0\u4e48\u683c\u5f0f\u3001\u4ec0\u4e48\u573a\u666f\u4e0b\u5e94\u8be5\u8c03\u7528\u5b83:<\/p>\n

{<\/span>
\n "name"<\/span>:<\/span> "query_order"<\/span>,<\/span>
\n "description"<\/span>:<\/span> "\u6839\u636e\u8ba2\u5355\u53f7\u67e5\u8be2\u8ba2\u5355\u5f53\u524d\u72b6\u6001\u4e0e\u7269\u6d41\u8f68\u8ff9\u3002\u5f53\u7528\u6237\u8be2\u95ee'\u6211\u7684\u8ba2\u5355\u5230\u54ea\u4e86''\u9000\u6b3e\u5230\u54ea\u4e86'\u65f6\u4f7f\u7528\u3002\u8ba2\u5355\u53f7\u662f 13 \u4f4d\u6570\u5b57\u3002"<\/span>,<\/span>
\n "parameters"<\/span>:<\/span> {<\/span>
\n "type"<\/span>:<\/span> "object"<\/span>,<\/span>
\n "properties"<\/span>:<\/span> {<\/span>
\n "order_id"<\/span>:<\/span> {<\/span>
\n "type"<\/span>:<\/span> "string"<\/span>,<\/span>
\n "pattern"<\/span>:<\/span> "^\\\\\\\\d{13}$"<\/span>,<\/span>
\n "description"<\/span>:<\/span> "13 \u4f4d\u6570\u5b57\u8ba2\u5355\u53f7,\u4f8b\u5982 2024010112345"<\/span>
\n }<\/span>
\n }<\/span>,<\/span>
\n "required"<\/span>:<\/span> [<\/span>"order_id"<\/span>]<\/span>,<\/span>
\n "additionalProperties"<\/span>:<\/span> False<\/span>
\n }<\/span>
\n}<\/span><\/p>\n

\u89c4\u5219:description \u91cc\u5199"\u4f55\u65f6\u7528 + \u53c2\u6570\u683c\u5f0f + \u4e00\u53e5\u8bdd\u793a\u4f8b",\u6bd4\u5806\u780c\u529f\u80fd\u63cf\u8ff0\u6709\u6548\u5f97\u591a\u3002<\/p>\n

\u5751 2:\u53c2\u6570\u7ea6\u675f\u80fd\u7701\u5219\u7701,\u5e7b\u89c9\u53c2\u6570\u5c31\u662f\u8fd9\u4e48\u6765\u7684<\/h4>\n

\u53c2\u6570 schema \u662f JSON Schema,\u5b83\u4e0d\u53ea\u662f\u6587\u6863,\u66f4\u662f\u8fd0\u884c\u65f6\u6821\u9a8c\u7684\u5408\u540c\u3002\u4e0d\u5199 pattern\u3001enum\u3001minimum,\u6a21\u578b\u5c31\u4f1a\u7f16\u51fa order_id="\u7b2c3\u4e2a\u8ba2\u5355" \u8fd9\u79cd\u503c\u3002\u4e0a\u9762\u4f8b\u5b50\u91cc\u7684 pattern \u548c enum \u5c31\u662f\u6700\u4fbf\u5b9c\u7684\u5e7b\u89c9\u62e6\u622a\u5668:<\/p>\n

"status"<\/span>:<\/span> {<\/span>"type"<\/span>:<\/span> "string"<\/span>,<\/span> "enum"<\/span>:<\/span> [<\/span>"pending"<\/span>,<\/span> "shipped"<\/span>,<\/span> "done"<\/span>]<\/span>}<\/span>,<\/span>
\n"amount"<\/span>:<\/span> {<\/span>"type"<\/span>:<\/span> "number"<\/span>,<\/span> "minimum"<\/span>:<\/span> 0.01<\/span>}<\/span><\/p>\n

\u5751 3:\u4e00\u6b21\u585e 30 \u4e2a\u5de5\u5177,\u9009\u62e9\u51c6\u786e\u7387\u65ad\u5d16\u4e0b\u8dcc<\/h4>\n

\u5de5\u5177\u8d8a\u591a,\u6a21\u578b"\u9009\u9519"\u7684\u6982\u7387\u8d8a\u9ad8,\u8fd9\u662f\u6709\u5b9e\u6d4b\u7ed3\u8bba\u7684\u3002\u751f\u4ea7\u4e0a\u6c38\u8fdc\u4e0d\u8981\u628a\u6240\u6709\u5de5\u5177\u4e00\u80a1\u8111\u66b4\u9732\u7ed9\u6a21\u578b,\u800c\u662f\u6309\u610f\u56fe\u9884\u8def\u7531,\u53ea\u7ed9\u6a21\u578b\u5f53\u524d\u573a\u666f\u9700\u8981\u7684 3~5 \u4e2a:<\/p>\n

def<\/span> pick_tools<\/span>(<\/span>user_query:<\/span> str<\/span>)<\/span> –<\/span>><\/span> list<\/span>[<\/span>dict<\/span>]<\/span>:<\/span>
\n """\u6309\u610f\u56fe\u7b5b\u9009\u5de5\u5177,\u63a7\u5236\u5355\u6b21\u66b4\u9732\u6570\u91cf"""<\/span>
\n if<\/span> "\u9000\u6b3e"<\/span> in<\/span> user_query or<\/span> "\u9000\u8d27"<\/span> in<\/span> user_query:<\/span>
\n return<\/span> [<\/span>TOOLS[<\/span>"query_order"<\/span>]<\/span>,<\/span> TOOLS[<\/span>"refund_order"<\/span>]<\/span>]<\/span>
\n if<\/span> "\u7269\u6d41"<\/span> in<\/span> user_query:<\/span>
\n return<\/span> [<\/span>TOOLS[<\/span>"query_order"<\/span>]<\/span>,<\/span> TOOLS[<\/span>"query_logistics"<\/span>]<\/span>]<\/span>
\n return<\/span> [<\/span>TOOLS[<\/span>"query_order"<\/span>]<\/span>]<\/span><\/p>\n

\u5751 4:\u53c2\u6570\u540d\u7528\u7f29\u5199,\u6a21\u578b\u7406\u89e3\u6210\u672c\u7ffb\u500d<\/h4>\n

sid\u3001uid\u3001amt \u8fd9\u79cd\u7f29\u5199,\u5bf9\u6a21\u578b\u6765\u8bf4\u7b49\u4e8e\u6ca1\u5199\u3002\u53c2\u6570\u540d\u8981"\u89c1\u540d\u77e5\u4e49":order_id\u3001user_id\u3001refund_amount,\u914d\u5408 description \u91cc\u7ed9\u771f\u5b9e\u793a\u4f8b\u503c,\u6a21\u578b\u751f\u6210\u53c2\u6570\u7684\u51c6\u786e\u7387\u4f1a\u660e\u663e\u63d0\u5347\u3002\u53c2\u6570\u540d\u7684\u6210\u672c\u662f\u96f6,\u6536\u76ca\u662f\u5b9e\u6253\u5b9e\u7684\u3002<\/p>\n

\u4e09\u3001\u5e7b\u89c9\u9632\u62a4:\u522b\u628a\u5b89\u5168\u5bc4\u6258\u5728\u6a21\u578b\u7684\u81ea\u5f8b\u4e0a<\/h3>\n

\u5751 5:\u6a21\u578b\u53ef\u80fd\u8c03\u7528\u4e00\u4e2a\u4e0d\u5b58\u5728\u7684\u51fd\u6570<\/h4>\n

\u6a21\u578b\u662f\u6982\u7387\u751f\u6210,\u5b83\u5b8c\u5168\u53ef\u80fd\u8f93\u51fa\u4e00\u4e2a\u4f60\u6839\u672c\u6ca1\u6ce8\u518c\u8fc7\u7684\u51fd\u6570\u540d(\u5c24\u5176\u5728\u6a21\u578b\u7248\u672c\u66f4\u65b0\u3001system prompt \u5f88\u957f\u4e4b\u540e)\u3002\u5e94\u7528\u5c42\u5fc5\u987b\u505a\u767d\u540d\u5355\u6821\u9a8c,\u672a\u77e5\u51fd\u6570\u4e00\u5f8b\u62d2\u7edd\u5e76\u56de\u4f20\u7ed9\u6a21\u578b:<\/p>\n

WHITELIST =<\/span> {<\/span>t[<\/span>"function"<\/span>]<\/span>[<\/span>"name"<\/span>]<\/span> for<\/span> t in<\/span> TOOLS}<\/span><\/p>\n

def<\/span> is_allowed<\/span>(<\/span>name:<\/span> str<\/span>)<\/span> –<\/span>><\/span> bool<\/span>:<\/span>
\n return<\/span> name in<\/span> WHITELIST # \u4e0d\u5728\u767d\u540d\u5355 = \u5e7b\u89c9,\u76f4\u63a5\u62e6\u622a<\/span><\/p>\n

\u5751 6:\u6a21\u578b\u4f1a\u7f16\u9020\u53c2\u6570,json.loads \u4e4b\u540e\u5fc5\u987b schema \u6821\u9a8c<\/h4>\n

tool_calls \u91cc\u7684 arguments \u662f\u5b57\u7b26\u4e32,\u89e3\u6790\u6210 JSON \u540e\u5fc5\u987b\u7528\u5b9a\u4e49\u7684 schema \u518d\u6821\u9a8c\u4e00\u6b21\u3002\u6a21\u578b\u8f93\u51fa\u7684\u53c2\u6570\u53ef\u80fd\u7f3a\u5b57\u6bb5\u3001\u7c7b\u578b\u9519\u8bef\u3001\u503c\u975e\u6cd5\u2014\u2014\u8fd9\u4e00\u5c42\u6821\u9a8c\u6ca1\u6709,\u540e\u9762\u5de5\u5177\u51fd\u6570\u5c31\u8981\u81ea\u5df1\u515c\u5e95,\u800c\u5de5\u5177\u51fd\u6570\u5f80\u5f80\u515c\u4e0d\u4f4f:<\/p>\n

from<\/span> jsonschema import<\/span> validate,<\/span> ValidationError<\/p>\n

try<\/span>:<\/span>
\n args =<\/span> json.<\/span>loads(<\/span>tc.<\/span>function.<\/span>arguments)<\/span>
\n validate(<\/span>instance=<\/span>args,<\/span> schema=<\/span>SCHEMAS[<\/span>name]<\/span>)<\/span> # \u4e25\u683c\u6309\u5b9a\u4e49\u6821\u9a8c<\/span>
\nexcept<\/span> (<\/span>json.<\/span>JSONDecodeError,<\/span> ValidationError)<\/span> as<\/span> e:<\/span>
\n # \u628a\u9519\u8bef\u4fe1\u606f\u4f5c\u4e3a tool \u7ed3\u679c\u56de\u4f20,\u6a21\u578b\u4f1a\u81ea\u6211\u4fee\u6b63\u53c2\u6570<\/span>
\n results.<\/span>append(<\/span>{<\/span>"tool_call_id"<\/span>:<\/span> tc.<\/span>id<\/span>,<\/span> "content"<\/span>:<\/span> f"\u53c2\u6570\u975e\u6cd5:<\/span>{<\/span>e}<\/span><\/span>"<\/span><\/span>}<\/span>)<\/span><\/p>\n

\u6ce8\u610f\u4e00\u4e2a\u5173\u952e\u8bbe\u8ba1:\u6821\u9a8c\u5931\u8d25\u4e0d\u8981\u76f4\u63a5\u7ec8\u6b62,\u800c\u662f\u628a\u9519\u8bef\u4fe1\u606f\u4f5c\u4e3a tool \u7ed3\u679c\u56de\u4f20\u7ed9\u6a21\u578b,\u8ba9\u6a21\u578b\u81ea\u5df1\u4fee\u6b63\u53c2\u6570\u91cd\u6765\u4e00\u8f6e\u2014\u2014\u8fd9\u662f"\u6a21\u578b\u81ea\u6108"\u7684\u6807\u51c6\u505a\u6cd5\u3002<\/p>\n

\u5751 7:\u654f\u611f\u64cd\u4f5c\u6ca1\u6709\u4eba\u5de5\u95f8\u95e8,\u5e7b\u89c9\u76f4\u63a5\u53d8\u6210\u4e8b\u6545<\/h4>\n

\u5373\u4f7f\u53c2\u6570\u5408\u6cd5,\u6a21\u578b\u4e5f\u53ef\u80fd\u5728\u9519\u8bef\u7684\u4e0a\u4e0b\u6587\u91cc\u53d1\u8d77\u9000\u6b3e\u3001\u8f6c\u8d26\u3002\u6743\u9650\u7c7b\u3001\u8d44\u91d1\u7c7b\u3001\u5220\u9664\u7c7b\u64cd\u4f5c,\u5fc5\u987b\u5728\u5e94\u7528\u5c42\u52a0\u4eba\u5de5\u786e\u8ba4(interrupt \u6216\u5de5\u5355\u5ba1\u6279\u6d41),LLM \u6c38\u8fdc\u4e0d\u5e94\u8be5\u76f4\u63a5\u62e5\u6709\u6267\u884c\u654f\u611f\u64cd\u4f5c\u7684\u6743\u9650\u3002\u8fd9\u4e00\u6761\u662f\u5408\u89c4\u7ea2\u7ebf,\u4e0d\u662f\u5de5\u7a0b\u504f\u597d\u3002<\/p>\n

\u56db\u3001\u5931\u8d25\u91cd\u8bd5:\u7b56\u7565\u9519\u4e86,\u91cd\u8bd5\u5c31\u662f\u4e8c\u6b21\u4e8b\u6545<\/h3>\n

\u5751 8:\u5bf9\u526f\u4f5c\u7528\u64cd\u4f5c\u76f2\u76ee\u91cd\u8bd5,\u7b49\u4e8e\u91cd\u590d\u6263\u6b3e<\/h4>\n

\u5de5\u5177\u6267\u884c\u5931\u8d25,\u5f88\u591a\u4eba\u65e0\u8111 for i in range(3): try: …\u3002\u4f46\u9000\u6b3e\u3001\u53d1\u6d88\u606f\u8fd9\u7c7b\u975e\u5e42\u7b49\u64cd\u4f5c,\u91cd\u8bd5\u4e00\u6b21\u5c31\u662f\u91cd\u590d\u6267\u884c\u4e00\u6b21\u3002\u6b63\u786e\u59ff\u52bf:\u8981\u4e48\u62d2\u7edd\u91cd\u8bd5\u975e\u5e42\u7b49\u64cd\u4f5c,\u8981\u4e48\u7ed9\u6bcf\u6b21\u8c03\u7528\u751f\u6210\u5e42\u7b49\u952e,\u8ba9\u4e0b\u6e38\u7f51\u5173\u53bb\u91cd:<\/p>\n

async<\/span> def<\/span> refund_order<\/span>(<\/span>order_id:<\/span> str<\/span>,<\/span> amount:<\/span> float<\/span>,<\/span> idempotency_key:<\/span> str<\/span> =<\/span> None<\/span>)<\/span>:<\/span>
\n headers =<\/span> {<\/span>}<\/span>
\n if<\/span> idempotency_key:<\/span>
\n headers[<\/span>"Idempotency-Key"<\/span>]<\/span> =<\/span> idempotency_key # \u540c\u4e00 key \u4e0b\u6e38\u53ea\u751f\u6548\u4e00\u6b21<\/span>
\n # \u91cd\u8bd5\u65f6\u590d\u7528\u540c\u4e00\u4e2a key,\u800c\u4e0d\u662f\u751f\u6210\u65b0\u7684<\/span><\/p>\n

\u5751 9:\u6ca1\u6709\u8d85\u65f6\u63a7\u5236,\u4e00\u4e2a\u5361\u6b7b\u7684\u5de5\u5177\u62d6\u57ae\u6574\u4e2a Agent \u5faa\u73af<\/h4>\n

\u5916\u90e8 API \u53ef\u80fd\u6c38\u8fdc\u4e0d\u8fd4\u56de\u3002\u5de5\u5177\u6267\u884c\u5fc5\u987b\u5305\u8d85\u65f6,\u8d85\u65f6\u6309"\u77ac\u65f6\u5931\u8d25"\u5904\u7406\u5e76\u8fd4\u56de\u7ed9\u6a21\u578b:<\/p>\n

async<\/span> def<\/span> _run_with_timeout<\/span>(<\/span>self,<\/span> fn,<\/span> args,<\/span> timeout:<\/span> float<\/span> =<\/span> 10.0<\/span>)<\/span>:<\/span>
\n return<\/span> await<\/span> asyncio.<\/span>wait_for(<\/span>fn(<\/span>**<\/span>args)<\/span>,<\/span> timeout=<\/span>timeout)<\/span><\/p>\n

\u5751 10:\u91cd\u8bd5\u4e00\u5200\u5207,\u77ac\u65f6\u9519\u8bef\u548c\u6c38\u4e45\u9519\u8bef\u6df7\u4e3a\u4e00\u8c08<\/h4>\n

\u7f51\u7edc\u6296\u52a8\u53ef\u4ee5\u91cd\u8bd5,\u53c2\u6570\u975e\u6cd5\u91cd\u8bd5\u4e00\u767e\u6b21\u4e5f\u6ca1\u7528\u3002\u91cd\u8bd5\u524d\u5148\u5206\u7c7b:TimeoutError\/ConnectionError \u8d70\u6307\u6570\u9000\u907f\u91cd\u8bd5,ValidationError\/PermissionError \u76f4\u63a5\u5931\u8d25\u56de\u4f20:<\/p>\n

async<\/span> def<\/span> _run_with_retry<\/span>(<\/span>self,<\/span> name,<\/span> args)<\/span>:<\/span>
\n for<\/span> attempt in<\/span> range<\/span>(<\/span>self.<\/span>max_retries)<\/span>:<\/span>
\n try<\/span>:<\/span>
\n return<\/span> await<\/span> self.<\/span>_run_with_timeout(<\/span>self.<\/span>registry[<\/span>name]<\/span>,<\/span> args)<\/span>
\n except<\/span> (<\/span>asyncio.<\/span>TimeoutError,<\/span> ConnectionError)<\/span> as<\/span> e:<\/span>
\n if<\/span> attempt ==<\/span> self.<\/span>max_retries –<\/span> 1<\/span>:<\/span>
\n raise<\/span>
\n await<\/span> asyncio.<\/span>sleep(<\/span>2<\/span> **<\/span> attempt +<\/span> 0.1<\/span>)<\/span> # \u6307\u6570\u9000\u907f + \u6296\u52a8<\/span><\/p>\n

\u4e94\u3001\u5de5\u7a0b\u7ec6\u8282:\u4e24\u4e2a\u5bb9\u6613\u88ab\u5ffd\u89c6\u7684\u5751<\/h3>\n

\u5751 11:\u5de5\u5177\u7ed3\u679c\u539f\u6837\u585e\u56de\u4e0a\u4e0b\u6587,\u628a\u7a97\u53e3\u6491\u7206<\/h4>\n

\u4e00\u4e2a\u67e5\u8be2\u8fd4\u56de 50KB \u65e5\u5fd7,\u5168\u585e\u8fdb messages,token \u6d88\u8017\u66b4\u6da8\u3001\u6a21\u578b\u6ce8\u610f\u529b\u88ab\u7a00\u91ca\u3002\u5de5\u5177\u7ed3\u679c\u5fc5\u987b\u622a\u65ad\u6216\u6458\u8981\u518d\u56de\u4f20,\u901a\u5e38\u4fdd\u7559 1~2KB \u5c31\u591f\u6a21\u578b\u505a\u4e0b\u4e00\u6b65\u5224\u65ad:<\/p>\n

def<\/span> truncate<\/span>(<\/span>content:<\/span> str<\/span>,<\/span> max_chars:<\/span> int<\/span> =<\/span> 2000<\/span>)<\/span> –<\/span>><\/span> str<\/span>:<\/span>
\n return<\/span> content if<\/span> len<\/span>(<\/span>content)<\/span> <=<\/span> max_chars else<\/span> content[<\/span>:<\/span>max_chars]<\/span> +<\/span> " …[\u5df2\u622a\u65ad]"<\/span><\/p>\n

\u5751 12:\u53ea\u5904\u7406\u7b2c\u4e00\u4e2a tool_call,\u5ffd\u7565\u5e76\u884c\u8c03\u7528<\/h4>\n

\u65b0\u7248\u6a21\u578b\u4e00\u6b21\u53ef\u80fd\u8fd4\u56de\u591a\u4e2a tool_calls(\u5e76\u884c\u8c03\u7528\u591a\u4e2a\u5de5\u5177)\u3002\u53ea\u53d6\u7b2c\u4e00\u4e2a,\u7b49\u4e8e\u8ba9\u6a21\u578b\u767d\u7b97,\u8fd8\u5bb9\u6613\u4e22\u7ed3\u679c\u3002\u5fc5\u987b\u5faa\u73af\u5904\u7406,\u80fd\u5e76\u884c\u7684\u7528 asyncio.gather:<\/p>\n

async<\/span> def<\/span> execute_all<\/span>(<\/span>self,<\/span> tool_calls)<\/span>:<\/span>
\n return<\/span> await<\/span> asyncio.<\/span>gather(<\/span>*<\/span>(<\/span>self.<\/span>execute_one(<\/span>tc)<\/span> for<\/span> tc in<\/span> tool_calls)<\/span>)<\/span><\/p>\n

\u516d\u3001\u5b8c\u6574\u53c2\u8003\u5b9e\u73b0:\u4e00\u4e2a 100 \u884c\u7684 ToolExecutor<\/h3>\n

\u628a\u4e0a\u9762\u6240\u6709\u9632\u62a4\u6536\u62e2\u6210\u4e00\u4e2a\u53ef\u590d\u7528\u7684\u6267\u884c\u5668,\u518d\u914d\u4e0a\u591a\u8f6e Agent \u5faa\u73af:<\/p>\n

import<\/span> json,<\/span> asyncio
\nfrom<\/span> openai import<\/span> AsyncOpenAI
\nfrom<\/span> jsonschema import<\/span> validate,<\/span> ValidationError<\/p>\n

client =<\/span> AsyncOpenAI(<\/span>api_key=<\/span>"sk-…"<\/span>)<\/span><\/p>\n

class<\/span> ToolExecutor<\/span>:<\/span>
\n def<\/span> __init__<\/span>(<\/span>self,<\/span> tools,<\/span> registry,<\/span> timeout=<\/span>10.0<\/span>,<\/span> max_retries=<\/span>3<\/span>)<\/span>:<\/span>
\n self.<\/span>tools =<\/span> tools
\n self.<\/span>registry =<\/span> registry # {name: async_callable}<\/span>
\n self.<\/span>whitelist =<\/span> {<\/span>t[<\/span>"function"<\/span>]<\/span>[<\/span>"name"<\/span>]<\/span> for<\/span> t in<\/span> tools}<\/span> # \u57515<\/span>
\n self.<\/span>schemas =<\/span> {<\/span>t[<\/span>"function"<\/span>]<\/span>[<\/span>"name"<\/span>]<\/span>:<\/span> t[<\/span>"function"<\/span>]<\/span>[<\/span>"parameters"<\/span>]<\/span> for<\/span> t in<\/span> tools}<\/span>
\n self.<\/span>timeout,<\/span> self.<\/span>max_retries =<\/span> timeout,<\/span> max_retries<\/p>\n

async<\/span> def<\/span> execute_one<\/span>(<\/span>self,<\/span> tc)<\/span>:<\/span>
\n name =<\/span> tc.<\/span>function.<\/span>name
\n if<\/span> name not<\/span> in<\/span> self.<\/span>whitelist:<\/span> # \u57515:\u767d\u540d\u5355<\/span>
\n return<\/span> {<\/span>"tool_call_id"<\/span>:<\/span> tc.<\/span>id<\/span>,<\/span> "content"<\/span>:<\/span> "error: \u672a\u77e5\u5de5\u5177"<\/span>}<\/span>
\n try<\/span>:<\/span>
\n args =<\/span> json.<\/span>loads(<\/span>tc.<\/span>function.<\/span>arguments)<\/span>
\n validate(<\/span>instance=<\/span>args,<\/span> schema=<\/span>self.<\/span>schemas[<\/span>name]<\/span>)<\/span> # \u57516:schema \u6821\u9a8c<\/span>
\n except<\/span> (<\/span>json.<\/span>JSONDecodeError,<\/span> ValidationError)<\/span> as<\/span> e:<\/span>
\n return<\/span> {<\/span>"tool_call_id"<\/span>:<\/span> tc.<\/span>id<\/span>,<\/span> "content"<\/span>:<\/span> f"\u53c2\u6570\u975e\u6cd5:<\/span>{<\/span>e}<\/span><\/span>"<\/span><\/span>}<\/span> # \u56de\u4f20\u8ba9\u6a21\u578b\u81ea\u6108<\/span>
\n for<\/span> attempt in<\/span> range<\/span>(<\/span>self.<\/span>max_retries)<\/span>:<\/span> # \u575110:\u5206\u7c7b\u91cd\u8bd5<\/span>
\n try<\/span>:<\/span>
\n out =<\/span> await<\/span> asyncio.<\/span>wait_for(<\/span>self.<\/span>registry[<\/span>name]<\/span>(<\/span>**<\/span>args)<\/span>,<\/span> timeout=<\/span>self.<\/span>timeout)<\/span> # \u57519<\/span>
\n return<\/span> {<\/span>"tool_call_id"<\/span>:<\/span> tc.<\/span>id<\/span>,<\/span> "content"<\/span>:<\/span> truncate(<\/span>out,<\/span> 2000<\/span>)<\/span>}<\/span> # \u575111<\/span>
\n except<\/span> (<\/span>asyncio.<\/span>TimeoutError,<\/span> ConnectionError)<\/span>:<\/span>
\n if<\/span> attempt ==<\/span> self.<\/span>max_retries –<\/span> 1<\/span>:<\/span>
\n return<\/span> {<\/span>"tool_call_id"<\/span>:<\/span> tc.<\/span>id<\/span>,<\/span> "content"<\/span>:<\/span> "error: \u5de5\u5177\u6267\u884c\u8d85\u65f6"<\/span>}<\/span>
\n await<\/span> asyncio.<\/span>sleep(<\/span>2<\/span> **<\/span> attempt +<\/span> 0.1<\/span>)<\/span>
\n except<\/span> Exception as<\/span> e:<\/span>
\n return<\/span> {<\/span>"tool_call_id"<\/span>:<\/span> tc.<\/span>id<\/span>,<\/span> "content"<\/span>:<\/span> f"error: <\/span>{<\/span>e}<\/span><\/span>"<\/span><\/span>}<\/span>
\n raise<\/span> RuntimeError(<\/span>"unreachable"<\/span>)<\/span><\/p>\n

async<\/span> def<\/span> execute_all<\/span>(<\/span>self,<\/span> tool_calls)<\/span>:<\/span> # \u575112:\u5e76\u884c\u6267\u884c<\/span>
\n return<\/span> await<\/span> asyncio.<\/span>gather(<\/span>*<\/span>(<\/span>self.<\/span>execute_one(<\/span>tc)<\/span> for<\/span> tc in<\/span> tool_calls)<\/span>)<\/span><\/p>\n

async<\/span> def<\/span> agent_loop<\/span>(<\/span>user_query:<\/span> str<\/span>,<\/span> max_rounds:<\/span> int<\/span> =<\/span> 5<\/span>)<\/span>:<\/span>
\n messages =<\/span> [<\/span>{<\/span>"role"<\/span>:<\/span> "user"<\/span>,<\/span> "content"<\/span>:<\/span> user_query}<\/span>]<\/span>
\n executor =<\/span> ToolExecutor(<\/span>TOOLS,<\/span> REGISTRY)<\/span>
\n for<\/span> _ in<\/span> range<\/span>(<\/span>max_rounds)<\/span>:<\/span>
\n resp =<\/span> await<\/span> client.<\/span>chat.<\/span>completions.<\/span>create(<\/span>
\n model=<\/span>"gpt-4o"<\/span>,<\/span>
\n messages=<\/span>messages,<\/span>
\n tools=<\/span>executor.<\/span>tools,<\/span>
\n tool_choice=<\/span>"auto"<\/span>,<\/span>
\n )<\/span>
\n msg =<\/span> resp.<\/span>choices[<\/span>0<\/span>]<\/span>.<\/span>message
\n if<\/span> not<\/span> msg.<\/span>tool_calls:<\/span> # \u4e0d\u518d\u8981\u5de5\u5177 \u2192 \u8f93\u51fa\u6700\u7ec8\u7b54\u6848<\/span>
\n return<\/span> msg.<\/span>content
\n messages.<\/span>append(<\/span>msg)<\/span> # \u4fdd\u7559\u6a21\u578b\u7684\u5de5\u5177\u8c03\u7528\u8bf7\u6c42<\/span>
\n for<\/span> r in<\/span> await<\/span> executor.<\/span>execute_all(<\/span>msg.<\/span>tool_calls)<\/span>:<\/span>
\n messages.<\/span>append(<\/span>{<\/span>"role"<\/span>:<\/span> "tool"<\/span>,<\/span> "tool_call_id"<\/span>:<\/span> r[<\/span>"tool_call_id"<\/span>]<\/span>,<\/span> "content"<\/span>:<\/span> r[<\/span>"content"<\/span>]<\/span>}<\/span>)<\/span>
\n return<\/span> "\u5df2\u8fbe\u6700\u5927\u8f6e\u6570,\u8bf7\u7a0d\u540e\u91cd\u8bd5\u6216\u8f6c\u4eba\u5de5"<\/span><\/p>\n

\u8fd9\u4e2a\u6267\u884c\u5668\u7684\u6bcf\u4e00\u884c\u6ce8\u91ca,\u5bf9\u5e94\u4e0a\u9762\u4e00\u4e2a\u5751\u3002\u9762\u8bd5\u65f6\u80fd\u628a\u5b83\u8bb2\u6e05\u695a,\u6bd4\u80cc\u5341\u4e2a\u6846\u67b6 API \u6709\u7528\u5f97\u591a\u3002<\/p>\n

\u4e03\u300112 \u4e2a\u5751\u901f\u67e5\u6e05\u5355<\/h3>\n
  • description \u5199\u5e9f\u8bdd \u2192 \u6a21\u578b\u9009\u9519\u5de5\u5177<\/li>\n
  • \u53c2\u6570\u7ea6\u675f\u7f3a\u5931 \u2192 \u5e7b\u89c9\u53c2\u6570<\/li>\n
  • \u5de5\u5177\u6570\u91cf\u5931\u63a7 \u2192 \u9009\u62e9\u51c6\u786e\u7387\u4e0b\u964d,\u6309\u610f\u56fe\u9884\u8def\u7531<\/li>\n
  • \u53c2\u6570\u540d\u7528\u7f29\u5199 \u2192 \u63d0\u9ad8\u7406\u89e3\u6210\u672c<\/li>\n
  • \u4e0d\u6821\u9a8c\u51fd\u6570\u767d\u540d\u5355 \u2192 \u5e7b\u89c9\u8c03\u7528\u672a\u77e5\u51fd\u6570<\/li>\n
  • \u4e0d\u505a schema \u6821\u9a8c \u2192 \u975e\u6cd5\u53c2\u6570\u76f4\u8fbe\u5de5\u5177<\/li>\n
  • \u654f\u611f\u64cd\u4f5c\u65e0\u4eba\u5ba1\u6279 \u2192 \u5e7b\u89c9\u53d8\u4e8b\u6545<\/li>\n
  • \u975e\u5e42\u7b49\u64cd\u4f5c\u76f2\u76ee\u91cd\u8bd5 \u2192 \u91cd\u590d\u6263\u6b3e<\/li>\n
  • \u65e0\u8d85\u65f6\u63a7\u5236 \u2192 \u5de5\u5177\u5361\u6b7b\u62d6\u57ae\u6574\u4e2a\u5faa\u73af<\/li>\n
  • \u91cd\u8bd5\u4e00\u5200\u5207 \u2192 \u6c38\u4e45\u9519\u8bef\u65e0\u9650\u91cd\u8bd5<\/li>\n
  • \u5de5\u5177\u7ed3\u679c\u4e0d\u622a\u65ad \u2192 \u4e0a\u4e0b\u6587\u6c61\u67d3\u3001\u6210\u672c\u66b4\u6da8<\/li>\n
  • \u5ffd\u7565\u5e76\u884c tool_call \u2192 \u4e22\u7ed3\u679c\u3001\u591a\u8f6e\u7a7a\u8f6c<\/li>\n

    \u6838\u5fc3\u5fc3\u6cd5\u5c31\u4e00\u53e5\u8bdd:\u628a Function Calling \u5f53\u6210"\u4e0d\u53ef\u4fe1\u8f93\u5165",\u51fd\u6570\u5b9a\u4e49\u662f\u5408\u540c,\u5e94\u7528\u5c42\u662f\u6700\u540e\u7684\u6821\u9a8c\u95f8\u95e8,\u5931\u8d25\u91cd\u8bd5\u8981\u6309\u526f\u4f5c\u7528\u5206\u7c7b\u3002 \u6a21\u578b\u4f1a\u72af\u9519,\u4f46\u5de5\u7a0b\u5316\u53ef\u4ee5\u628a\u9519\u8bef\u63a7\u5236\u5728\u53ef\u89c2\u6d4b\u3001\u53ef\u6062\u590d\u3001\u4e0d\u4ea7\u751f\u4e8b\u6545\u7684\u8303\u56f4\u5185\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

    \u4e00\u3001Function Calling \u662f Agent \u7684\u57fa\u77f3,\u4e5f\u662f\u7ffb\u8f66\u91cd\u707e\u533a
    \n\u5982\u679c\u8bf4\u5355\u8f6e\u5bf9\u8bdd\u53ea\u662f\\”\u8c03\u7528\u4e00\u6b21 LLM\\”,\u90a3 Function Calling \u5c31\u662f\u8ba9 LLM **\u4ece\\”\u4f1a\u8bf4\\”\u53d8\u6210\\”\u80fd\u505a\\”**\u7684\u90a3\u4e00\u6b65:\u6a21\u578b\u4e0d\u518d\u53ea\u5410\u6587\u672c,\u800c\u662f\u8f93\u51fa\u7ed3\u6784\u5316\u8c03\u7528\u610f\u56fe,\u7531\u4f60\u7684\u4ee3\u7801\u53bb\u6267\u884c\u771f\u5b9e\u64cd\u4f5c\u2014\u2014\u67e5\u8ba2\u5355\u3001\u53d1\u6d88\u606f\u3001\u5199\u6570\u636e\u5e93\u3002
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