添加AI门闸

This commit is contained in:
zk
2026-07-07 21:09:23 +08:00
parent 5cebc1f929
commit cb94fb7bfe
2 changed files with 75 additions and 11 deletions
+9 -3
View File
@@ -14,14 +14,20 @@ DB_USER=root
DB_PASSWORD=^CgDatabase2020
DB_NAME=offerpie
# AI 供应商
VOLCENGINE_API_KEY=fd065993-bee2-4f31-8bf2-56d5d3012c02
VOLCENGINE_BASE_URL=https://ark.cn-beijing.volces.com/api/v3
# ClaudeAnthropic 风格)
ANTHROPIC_API_KEY=sk-43ccdb29caa7e9ebe0db8ac0958c63f6d3a2d62e59064d3d26d94332055a9bc9
ANTHROPIC_BASE_URL=https://code.warpdevloper.cloud
# 岗位清洗参数
CLEAN_BATCH_SIZE=100
CLEAN_CONCURRENCY=80
CLEAN_INTERVAL_SECONDS=200
CLEAN_BATCH_SIZE=20
CLEAN_CONCURRENCY=20
CLEAN_INTERVAL_SECONDS=100
CLEAN_TOTAL_LIMIT=0
# 公司补充参数
COMPANY_BATCH_SIZE=20
+66 -8
View File
@@ -1,5 +1,11 @@
"""AI 调用工具封装"""
"""AI 调用工具封装
核心机制:健康门闸(Health Gate)
- ainvoke 抛异常 → 标记故障,全部协程阻塞,单探针退避重试直到成功
- ainvoke 正常返回 → 放行,后续逻辑不变
"""
import asyncio
import re
from typing import Any
@@ -15,6 +21,11 @@ _THINK_RE = re.compile(r"<think>.*?</think>", re.DOTALL | re.IGNORECASE)
# 匹配 ```json ... ``` 代码块,提取中间的 JSON 内容
_CODE_BLOCK_RE = re.compile(r"```(?:json\w*)?\s*\n?(.*?)\n?\s*```", re.DOTALL | re.IGNORECASE)
# ──────────── 健康门闸 ────────────
_gate_event = asyncio.Event() # clear=故障阻塞中, set=健康放行
_gate_event.set() # 初始状态:健康
_gate_probing = False # 是否已有探针在重试
def parse_llm_json(text: str) -> Any:
"""解析 AI 输出的 JSON,自动去除思考标签、markdown 代码块,容错处理"""
@@ -29,13 +40,60 @@ def parse_llm_json(text: str) -> Any:
async def ai_chat(llm: BaseChatModel, system_prompt: str, user_message: str) -> str:
"""异步调用 LLM,返回原始文本"""
messages = [
SystemMessage(content=system_prompt),
HumanMessage(content=user_message),
]
response = await llm.ainvoke(messages)
return response.content
"""异步调用 LLM,返回原始文本。接口异常时触发门闸阻塞重试直到成功。"""
global _gate_probing
while True:
# 门闸检查:如果当前处于故障状态,阻塞等待直到探针恢复门闸
await _gate_event.wait()
try:
messages = [
SystemMessage(content=system_prompt),
HumanMessage(content=user_message),
]
response = await llm.ainvoke(messages)
return response.content
except Exception as e:
# 接口失败 → 关闭门闸
if _gate_event.is_set():
_gate_event.clear()
log.error("AI 接口异常,门闸关闭,全部协程阻塞等待恢复: {}", e)
if not _gate_probing:
# 当前协程成为探针,负责退避重试直到成功
_gate_probing = True
result = await _probe_until_recover(llm, system_prompt, user_message)
# 探针成功,直接返回结果(不用再调一次)
return result
# 已有探针在工作,回到 while 顶部 await _gate_event.wait() 等待唤醒
async def _probe_until_recover(llm: BaseChatModel, system_prompt: str, user_message: str) -> str:
"""探针:退避重试直到接口恢复,返回成功的响应内容,并打开门闸唤醒所有等待协程"""
global _gate_probing
delay = 1.0 # 初始退避 1 秒
max_delay = 30.0 # 最大退避 30 秒
attempt = 0
while True:
await asyncio.sleep(delay)
attempt += 1
try:
messages = [
SystemMessage(content=system_prompt),
HumanMessage(content=user_message),
]
response = await llm.ainvoke(messages)
# 成功 → 打开门闸,唤醒所有等待协程
_gate_probing = False
_gate_event.set()
log.info("AI 接口恢复,门闸打开,第{}次探测成功", attempt)
return response.content
except Exception as e:
log.warning("AI 接口仍不可用,第{}次探测失败(退避{}s): {}", attempt, delay, e)
delay = min(delay * 2, max_delay)
async def ai_chat_json(llm: BaseChatModel, system_prompt: str, user_message: str) -> Any: