116 lines
4.2 KiB
Python
116 lines
4.2 KiB
Python
import json
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from time import perf_counter
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from fastapi import FastAPI, HTTPException, Header, Request
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from fastapi.responses import JSONResponse
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from fastapi.middleware.cors import CORSMiddleware
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from loguru import logger
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from parser import *
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app = FastAPI()
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# 添加 CORS 支持
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"], # 可以改成你的前端域名,例如 ["https://yourdomain.com"]
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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# batch 接口单次请求的条目上限(防滥用)
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BATCH_MAX_ITEMS = 1000
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def _check_auth(Authorization: str):
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if Authorization != "3FFA6A4B073CF065969630692331A873":
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raise HTTPException(status_code=403, detail="未授权的操作")
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def _parse_urlencoded_content(body: bytes) -> str:
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"""手动解析 x-www-form-urlencoded 的 content 字段:绕过 starlette 1MB 表单限制"""
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from urllib.parse import parse_qs
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params = parse_qs(body.decode("utf-8"), keep_blank_values=True)
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return params.get("content", [""])[0]
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@app.post("/convert/start")
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async def convert_str(
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request: Request,
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Authorization: str = Header(None)
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):
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"""
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带调试信息的转换接口 (支持 x-www-form-urlencoded)
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手动解析表单体:绕过 starlette 1MB 表单限制(族谱全文可达数 MB)
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"""
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_check_auth(Authorization)
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try:
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content = _parse_urlencoded_content(await request.body())
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res = convert_text(content)
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logger.info(f"转换结果: {json.dumps(res, ensure_ascii=False, indent=2)}")
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return JSONResponse(content={"code": 0, "result": res})
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except Exception as e:
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logger.error(f"转换异常: {str(e)}")
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return JSONResponse(
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content={"code": 500, "result": f"转换服务异常: {str(e)}"},
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status_code=500
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)
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@app.post("/convert/batch")
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async def convert_batch(
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request: Request,
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Authorization: str = Header(None)
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):
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"""
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批量转换接口:短文本多任务场景,一次请求处理 N 条 content。
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请求: {"items": [{"id": "row1", "content": "..."}, ...]}(application/json)
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响应: {"code": 0, "result": [{"id": "row1", "result": [...]}, ...]}
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- id 透传用于前端回填,缺省按数组顺序编号
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- 单条解析失败不影响其他条目(该条返回 error 字段)
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- 每条 content 独立解析,位置语义与单接口一致(从 0 起)
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"""
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_check_auth(Authorization)
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# 请求体解析与入参校验失败 → 400(客户端错误)
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try:
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payload = json.loads((await request.body()).decode("utf-8"))
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except Exception as e:
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logger.warning(f"batch 请求体解析失败: {str(e)}")
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raise HTTPException(status_code=400, detail="请求体必须是合法 JSON")
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items = payload.get("items") if isinstance(payload, dict) else None
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if not isinstance(items, list) or not items:
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raise HTTPException(status_code=400, detail="items 必须是非空数组")
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if len(items) > BATCH_MAX_ITEMS:
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raise HTTPException(status_code=400, detail=f"items 超过上限 {BATCH_MAX_ITEMS} 条")
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try:
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t0 = perf_counter()
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results = []
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for i, item in enumerate(items):
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item_id = item.get("id") if isinstance(item, dict) else None
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content = item.get("content", "") if isinstance(item, dict) else ""
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if item_id is None:
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item_id = str(i)
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try:
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results.append({"id": item_id, "result": convert_text(content)})
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except Exception as e:
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logger.error(f"batch 条目 {item_id} 解析异常: {str(e)}")
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results.append({"id": item_id, "error": str(e)})
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dt = perf_counter() - t0
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logger.info(f"批量转换: {len(results)} 条, 耗时 {dt * 1000:.0f}ms")
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return JSONResponse(content={"code": 0, "result": results})
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except Exception as e:
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logger.error(f"批量转换异常: {str(e)}")
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return JSONResponse(
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content={"code": 500, "result": f"批量转换服务异常: {str(e)}"},
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status_code=500
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)
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if __name__ == "__main__":
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import uvicorn
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uvicorn.run(app, host="0.0.0.0", port=16661, log_level="info")
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