POD 趋势感知 Agent:缓存热点模式 + 三图合成 + 热点去重/风格去重 + review 兜底

- 缓存热点批量流程(有采集缓存不触发 Google)
- 简报不足直接从采集缓存生成(轻量补齐)
- 三图合成(模特/印花/底图)+ 底图压缩 <2MB
- 热点去重→风格去重自动切换 + 不适合类目 review 兜底
- 透明背景(background=transparent)+ 提示词清洗(敏感词/背景描述)
- 任务前 basemap 校验 + 模板国家校验 + 模特任务级分配
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2026-08-22 14:14:01 +08:00
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"""构建并编译 LangGraph,提供 run_country() 入口。
图结构(线性流水线,节点全部带兜底):
START -> seed -> fetch -> filter -> score -> screen -> prompt_build
-> compose(生成纯印花设计稿 + 导出简报)-> product(底图/模特/三图合成/模板)
-> oss_upload(压缩 3:4 / ≥1340×1785 / <2MB + 上传阿里云 OSS-> END
"""
import time
from pathlib import Path
from typing import Any, Dict, Optional
from langgraph.graph import END, StateGraph
from graph.loader import build_country_config
from graph.nodes import (
compose_node,
fetch_node,
filter_node,
oss_upload_node,
product_node,
prompt_node,
score_node,
screen_node,
seed_node,
seed_shot_node,
template_export_node,
)
from graph.state import AgentState
def build_graph():
"""构建 StateGraph 并编译。"""
builder = StateGraph(AgentState)
builder.add_node("seed", seed_node)
builder.add_node("fetch", fetch_node)
builder.add_node("filter", filter_node)
builder.add_node("score", score_node)
builder.add_node("screen", screen_node)
builder.add_node("prompt_build", prompt_node)
builder.add_node("product", product_node)
builder.add_node("compose", compose_node)
builder.add_node("oss_upload", oss_upload_node)
builder.add_node("seed_shot", seed_shot_node)
builder.add_node("template_export", template_export_node)
builder.add_edge("__start__", "seed")
builder.add_edge("seed", "fetch")
builder.add_edge("fetch", "filter")
builder.add_edge("filter", "score")
builder.add_edge("score", "screen")
builder.add_edge("screen", "prompt_build")
builder.add_edge("prompt_build", "compose") # compose:生成纯印花设计稿(放前面)
builder.add_edge("compose", "product") # product:底图/模特/三图合成/模板
builder.add_edge("product", "oss_upload") # oss_upload:压缩 + 上传图床
builder.add_edge("oss_upload", "seed_shot") # seed_shot:种草图生成(模板+模特特征 yaml)→ 上传
builder.add_edge("seed_shot", "template_export") # template_export:最终结果导入商品上传模板
builder.add_edge("template_export", END)
return builder.compile()
def run_country(
country: str,
global_config: Dict[str, Any],
project_root: Path,
output_root: Optional[Path] = None,
base_image: Optional[str] = None,
task_timestamp: Optional[str] = None,
) -> Dict[str, Any]:
"""运行单个国家的完整流水线,返回最终 state(含 errors / stats / briefs)。
project_root:数据文件根(configs / prompts,打包后为 _MEIPASS 只读目录)。
output_root :产物输出根(默认=project_root;打包后传 exe 旁运行目录,
避免把 output/ 写进临时解压目录导致重启丢失)。
task_timestamp:任务时间戳(每次点击运行 = 一个任务);None 时自动生成。
"""
compiled = build_graph()
cc = build_country_config(global_config, country, project_root)
prompts_dir = project_root / "prompts" / country
cache_dir = (output_root or project_root) / "output" / country # 缓存/去重(根目录)
ts = task_timestamp or time.strftime("%Y%m%d_%H%M%S")
_base = ts
_i = 1
while (cache_dir / ts).exists(): # 时间戳文件夹唯一(同秒多任务防冲突/覆盖)
ts = f"{_base}_{_i}"
_i += 1
output_dir = cache_dir / ts # 本次任务产物(时间戳文件夹)
state: Dict[str, Any] = {
"country": country,
"config": global_config,
"country_config": cc,
"prompts_dir": str(prompts_dir),
"cache_dir": str(cache_dir),
"output_dir": str(output_dir),
"raw_rows": [],
"filtered_rows": [],
"scored_rows": [],
"screened": [],
"briefs": [],
"composite": [],
"designs": [],
"errors": [],
"stats": {},
"task_timestamp": ts, # 任务开始时间戳(OSS 路径段 / 产物文件夹名)
"oss_seq": 0, # 货号计数(000 起,最多 999)
}
if base_image:
state["base_image"] = base_image
result = compiled.invoke(state)
return result