133 lines
4.7 KiB
Python
133 lines
4.7 KiB
Python
"""需求理解节点"""
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from app.clients.decision import DecisionEngine, get_decision_engine
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from app.processor.base import BaseNode
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from app.processor.state import QueryState
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from app.prompt.requirement import build_intent_question
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from app.schemas.base import JsonObject
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from app.schemas.decision import DecisionRequest
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from app.schemas.input_context import InputContext
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class RequirementNode(BaseNode):
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name = "requirement_node"
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def __init__(self, *, decision_engine: DecisionEngine | None = None):
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super().__init__()
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self._decision_engine = decision_engine
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@staticmethod
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def build_decision_state(context: InputContext) -> JsonObject:
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"""只整理判断意图需要的摘要，完整 Screen 仍保留在输入上下文"""
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nodes: list[JsonObject] = []
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for node in context.screen.nodes:
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option = node.props.get("option")
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title = option.get("title") if isinstance(option, dict) else None
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titles = title if isinstance(title, list) else [title]
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nodes.append(
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{
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"id": node.id,
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"type": node.type,
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"name": node.name,
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"titles": [
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item["text"]
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for item in titles
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if isinstance(item, dict) and isinstance(item.get("text"), str)
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],
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"layout": node.layout.model_dump(mode="json", exclude_unset=True),
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}
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)
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return {
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"prompt": context.prompt,
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"context": context.context.model_dump(mode="json", exclude_unset=True),
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"screen_summary": {
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"canvas": {
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"width": context.screen.canvas.width,
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"height": context.screen.canvas.height,
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},
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"nodes": nodes,
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"data_sources": [
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{
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key: source[key]
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for key in ("id", "name", "type")
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if key in source
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}
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for source in context.screen.dataSource
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],
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},
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"attachments": [
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{
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key: attachment[key]
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for key in ("id", "kind", "name")
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if key in attachment
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}
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for attachment in context.attachments
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],
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}
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async def process(self, state: QueryState) -> QueryState:
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# 构建jev请求
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request = DecisionRequest(
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# 获取 InputNode 整理好的完整上下文
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state=self.build_decision_state(state["input_context"]),
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decisions={"intent": build_intent_question()},
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)
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# 调用 jev
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engine = self._decision_engine or get_decision_engine()
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decision = await engine.run(request)
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updated_state: QueryState = {**state, "intent_decision": decision}
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return updated_state
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if __name__ == "__main__":
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import asyncio
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import json
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from pydantic import BaseModel
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from app.processor.nodes.input_node import InputNode
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async def main():
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# 1. 修改这里的请求，测试不同意图
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state: QueryState = {
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"request": {
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"prompt": "这个图太乱了，帮我重新排一下",
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"screen": {
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"canvas": {"width": 1920, "height": 1080},
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"nodes": [
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{
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"id": "sales-chart",
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"type": "bar-chart",
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"name": "销售额统计",
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"layout": {"x": 26, "y": 34.8, "width": 400, "height": 260},
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"props": {"option": {"title": {"text": "销售额统计"}}},
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}
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],
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"dataSource": [],
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},
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"context": {"selected_node_ids": ["sales-chart"]},
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}
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}
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# 2. 先校验输入，再真实调用 Jev，退出时关闭连接
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state = InputNode().process(state)
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async with DecisionEngine() as engine:
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node = RequirementNode(decision_engine=engine)
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final_state = await node.process(state)
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# 3. 打印完整 state，包含选项、概率、置信度和调用信息
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print(
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json.dumps(
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{
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key: value.model_dump(mode="json", exclude_unset=True)
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if isinstance(value, BaseModel)
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else value
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for key, value in final_state.items()
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},
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ensure_ascii=False,
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indent=2,
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)
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)
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asyncio.run(main())
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