sync: HP_BOWEI 2026-09-09
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Myfro9
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"""ak_flow.py — 驱动 Altium→KiCad 迁移的 LangGraph 图（进程内，无 langgraph dev）。
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图本体在 ~/skills_env.md 的 ALTIUM_KICAD_GRAPH_ROOT（app/main_graph.py），本脚本只做三件事：
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1) 用 SqliteSaver 打开持久化 checkpoint，按 thread_id 续跑；
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2) 把当前挂起的 interrupt 以结构化 JSON 打印给 Claude 会话；
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3) 把 Claude 执行完真实动作后的结论 Command(resume=...) 回填、推进到下一个 interrupt。
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为什么不直接用工程里的 run.py：run.py 的 resume 只接受一个位置参数 JSON 字符串，
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在 PowerShell 里转义引号极易出错；且 thread 固定为 AK_THREAD 单值，多工程并发会串。
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本脚本用 --set key=value 免转义回填，thread 由 target_dir 推导，DB 沿用
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runs/skill_checkpoint.sqlite（已跑完的 ak-xmod-v1p0 / ak-gq-exct7g-v1 仍可续）。
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退出码：0 = 图已结束(done)；2 = 停在 interrupt 等回填(waiting)；1 = 出错。
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"""
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from __future__ import annotations
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import argparse
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import json
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import os
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import re
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import sqlite3
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import sys
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from pathlib import Path
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def _env_lookup(key: str, default: str | None = None) -> str:
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"""环境变量优先，其次 ~/skills_env.md 的 `KEY = value` 行（机器相关参数的真源）。"""
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v = os.environ.get(key)
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if v:
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return v
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path = os.path.join(os.path.expanduser("~"), "skills_env.md")
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try:
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with open(path, encoding="utf-8") as f:
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for line in f:
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m = re.match(rf"\s*{key}\s*=\s*(\S+)", line)
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if m:
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return m.group(1)
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except OSError:
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pass
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if default is None:
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sys.exit(f"missing {key}: add it to ~/skills_env.md or set it as an env var")
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return default
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# 图工程根是机器相关的：真源是 ~/skills_env.md 的 ALTIUM_KICAD_GRAPH_ROOT。
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DEFAULT_PROJECT_ROOT = _env_lookup("ALTIUM_KICAD_GRAPH_ROOT", r"E:\LangGraph_Design\Altium-Kicad")
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DB_RELATIVE = ("runs", "skill_checkpoint.sqlite")
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# --------------------------------------------------------------------------- utils
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def _out(*parts: str) -> None:
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print(*parts, flush=True)
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def _fatal(msg: str) -> "None":
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_out(f"[ERROR] {msg}")
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sys.exit(1)
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def slug_for(target_dir: str) -> str:
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"""E:\\Kicad_design\\XMOD_V1p0 -> ak-xmod-v1p0 (与既有线程命名一致)。"""
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name = Path(target_dir.rstrip("\\/")).name or "run"
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name = re.sub(r"[^0-9A-Za-z]+", "-", name).strip("-").lower()
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return f"ak-{name or 'run'}"
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def coerce(raw: str):
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"""--set 的值做最小类型推断：true/false→bool，纯数字→int，其余原样字符串。"""
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low = raw.strip().lower()
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if low in ("true", "yes", "1"):
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return True
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if low in ("false", "no", "0"):
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return False
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if re.fullmatch(r"-?\d+", raw.strip()):
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return int(raw.strip())
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return raw
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def pending_interrupt(snap):
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for task in snap.tasks:
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if task.interrupts:
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return task.interrupts[0].value
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return None
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def load_graph(project_root: Path):
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if not (project_root / "app" / "main_graph.py").is_file():
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_fatal(f"工程根不对：{project_root} 下没有 app\\main_graph.py。"
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f"用 --project-root 指定，设环境变量 AK_PROJECT_ROOT，或改 ~/skills_env.md 的 ALTIUM_KICAD_GRAPH_ROOT。")
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sys.path.insert(0, str(project_root))
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from app.main_graph import build_graph # noqa: E402
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return build_graph
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RETRY_LIMITS = {"bridge": 3, "import": 3, "netlist": 5, "gerber": 5}
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def init_state(source_prj: str, target_dir: str, limits: dict[str, int]) -> dict:
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state = {
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"source_prj": source_prj,
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"target_dir": target_dir,
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"migration_dir": str(Path(target_dir) / "_migration"),
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"history": [],
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}
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for name, default in RETRY_LIMITS.items():
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state[f"{name}_retry"] = 0
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state[f"max_{name}_retry"] = limits.get(name) or default
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return state
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# --------------------------------------------------------------------------- report
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def report(graph, thread: dict, before_len: int) -> int:
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"""打印当前状态；返回进程退出码。"""
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snap = graph.get_state(thread)
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values = snap.values or {}
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history = values.get("history", [])
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walked = [h.get("node") for h in history[before_len:]]
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if walked:
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_out("[NODES] " + " -> ".join(str(n) for n in walked))
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_out(f"[THREAD] {thread['configurable']['thread_id']}")
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if values.get("source_prj"):
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_out(f"[PATHS] source_prj = {values['source_prj']}")
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_out(f"[PATHS] target_dir = {values['target_dir']}")
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_out(f"[PATHS] migration = {values.get('migration_dir', '')}")
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retries = {k: values.get(k) for k in
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("bridge_retry", "import_retry", "netlist_retry", "gerber_retry")
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if values.get(k)}
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if retries:
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_out("[RETRY] " + json.dumps(retries))
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if snap.next:
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payload = pending_interrupt(snap)
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_out(f"[WAITING] next node: {', '.join(snap.next)}")
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if payload is not None:
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_out("[INTERRUPT] " + json.dumps(payload, ensure_ascii=False, indent=2))
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else:
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_out("[INTERRUPT] (无 payload — 直接 resume 推进)")
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return 2
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if any(h.get("node") == "safety_exit" for h in history):
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_out("[SAFETY-END] 某个判定回环超过重试上限，图已优雅退出。"
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"先修好卡住的那一步，再用 restart 重跑，或调高对应 max_*_retry。")
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return 0
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_out("[DONE] 图已跑完。")
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_out(f"[REPORT] {values.get('report_path', '(未回填 report_path)')}")
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return 0
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# --------------------------------------------------------------------------- commands
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def cmd_start(args, graph_builder, db_path: Path):
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from langgraph.checkpoint.sqlite import SqliteSaver
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source = args.source_prj
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target = args.target_dir
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if not source or not target:
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_fatal("start 需要 --source-prj 与 --target-dir（均为绝对路径，无默认值）。")
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if not Path(source).is_file():
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_fatal(f"源工程不存在：{source}（应指向 .PrjPCB 文件本身）")
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Path(target).mkdir(parents=True, exist_ok=True)
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thread_id = args.thread or slug_for(target)
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thread = {"configurable": {"thread_id": thread_id}}
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with SqliteSaver.from_conn_string(str(db_path)) as cp:
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graph = graph_builder(checkpointer=cp)
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existing = graph.get_state(thread)
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if (existing.next or existing.values) and not args.restart:
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_out(f"[INFO] 线程 {thread_id} 已存在，续跑（不重置）。要从头开始请加 --restart。")
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before = len(existing.values.get("history", []))
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if existing.next and pending_interrupt(existing) is not None:
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# 已经停在 interrupt 上，什么都不推进，直接把 payload 亮出来
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return report(graph, thread, before)
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graph.invoke(None, thread)
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return report(graph, thread, before)
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if args.restart:
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_out(f"[INFO] --restart：清空线程 {thread_id} 的 checkpoint。")
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wipe_thread(db_path, thread_id)
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limits = {name: getattr(args, f"max_{name}_retry", None) for name in RETRY_LIMITS}
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_out(f"[INFO] 新建线程 {thread_id}")
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graph.invoke(init_state(source, target, limits), thread)
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return report(graph, thread, 0)
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def cmd_status(args, graph_builder, db_path: Path):
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from langgraph.checkpoint.sqlite import SqliteSaver
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thread_id = resolve_thread(args)
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thread = {"configurable": {"thread_id": thread_id}}
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with SqliteSaver.from_conn_string(str(db_path)) as cp:
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graph = graph_builder(checkpointer=cp)
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snap = graph.get_state(thread)
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if not snap.values and not snap.next:
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_fatal(f"线程 {thread_id} 没有任何 checkpoint。先跑 start。")
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return report(graph, thread, len(snap.values.get("history", [])))
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def cmd_resume(args, graph_builder, db_path: Path):
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from langgraph.checkpoint.sqlite import SqliteSaver
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from langgraph.types import Command
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payload: dict = {}
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if args.json:
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try:
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payload = json.loads(args.json)
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except json.JSONDecodeError as exc:
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_fatal(f"--json 不是合法 JSON：{exc}")
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for item in args.set or []:
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if "=" not in item:
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_fatal(f"--set 要写成 key=value，收到：{item}")
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key, raw = item.split("=", 1)
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payload[key.strip()] = coerce(raw)
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if not payload:
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_fatal("resume 的回填不能为空——langgraph 会把 falsy 的 resume 当作『没提供』"
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"从而在同一个节点再次中断。至少给一个键，例如 --set acknowledged=true。")
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thread_id = resolve_thread(args)
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thread = {"configurable": {"thread_id": thread_id}}
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with SqliteSaver.from_conn_string(str(db_path)) as cp:
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graph = graph_builder(checkpointer=cp)
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snap = graph.get_state(thread)
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if not snap.next:
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_fatal(f"线程 {thread_id} 没有挂起的 interrupt（图已结束或未启动）。先跑 status。")
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before = len(snap.values.get("history", []))
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_out("[RESUME] " + json.dumps(payload, ensure_ascii=False))
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graph.invoke(Command(resume=payload), thread)
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return report(graph, thread, before)
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def cmd_list(args, graph_builder, db_path: Path):
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from langgraph.checkpoint.sqlite import SqliteSaver
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if not db_path.is_file():
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_out("[INFO] 还没有任何 checkpoint 数据库。")
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return 0
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conn = sqlite3.connect(str(db_path))
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try:
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threads = sorted({r[0] for r in conn.execute("select distinct thread_id from checkpoints")})
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finally:
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conn.close()
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if not threads:
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_out("[INFO] 数据库里没有线程。")
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return 0
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with SqliteSaver.from_conn_string(str(db_path)) as cp:
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graph = graph_builder(checkpointer=cp)
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for tid in threads:
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snap = graph.get_state({"configurable": {"thread_id": tid}})
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v = snap.values or {}
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state = f"waiting@{','.join(snap.next)}" if snap.next else "done"
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_out(f"[THREAD] {tid:<24} {state:<28} target={v.get('target_dir', '?')}")
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return 0
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def cmd_reset(args, graph_builder, db_path: Path):
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thread_id = resolve_thread(args)
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n = wipe_thread(db_path, thread_id)
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_out(f"[INFO] 已删除线程 {thread_id} 的 {n} 条 checkpoint 记录。")
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return 0
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def wipe_thread(db_path: Path, thread_id: str) -> int:
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if not db_path.is_file():
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return 0
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conn = sqlite3.connect(str(db_path))
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try:
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n = conn.execute("delete from checkpoints where thread_id=?", (thread_id,)).rowcount
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conn.execute("delete from writes where thread_id=?", (thread_id,))
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conn.commit()
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finally:
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conn.close()
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return n
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def resolve_thread(args) -> str:
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if getattr(args, "thread", None):
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return args.thread
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if getattr(args, "target_dir", None):
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return slug_for(args.target_dir)
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_fatal("需要 --thread <id> 或 --target-dir <目标 KiCad 目录> 来定位线程。用 list 看所有线程。")
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# --------------------------------------------------------------------------- main
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def main() -> int:
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try:
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sys.stdout.reconfigure(encoding="utf-8")
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except Exception:
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pass
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ap = argparse.ArgumentParser(description="Drive the Altium->KiCad migration LangGraph flow.")
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ap.add_argument("--project-root", default=os.environ.get("AK_PROJECT_ROOT", DEFAULT_PROJECT_ROOT))
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sub = ap.add_subparsers(dest="cmd", required=True)
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p = sub.add_parser("start", help="新建或续跑一次迁移")
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p.add_argument("--source-prj", help="源 Altium .PrjPCB 绝对路径")
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p.add_argument("--target-dir", help="目标 KiCad 工程目录绝对路径")
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p.add_argument("--thread", help="线程 id（默认由 target-dir 推导）")
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p.add_argument("--restart", action="store_true", help="清空该线程重新开始")
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for name, default in RETRY_LIMITS.items():
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p.add_argument(f"--max-{name}-retry", type=int,
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help=f"{name} 回环的重试上限（默认 {default}，超限走 safety_end）")
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p.set_defaults(func=cmd_start)
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p = sub.add_parser("status", help="看当前停在哪个 interrupt")
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p.add_argument("--thread")
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p.add_argument("--target-dir")
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p.set_defaults(func=cmd_status)
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p = sub.add_parser("resume", help="回填结论并推进到下一个 interrupt")
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p.add_argument("--thread")
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p.add_argument("--target-dir")
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p.add_argument("--set", action="append", metavar="KEY=VALUE",
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help="免转义回填，可重复；true/false→bool，纯数字→int")
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p.add_argument("--json", help="直接给 JSON 对象（与 --set 可混用）")
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p.set_defaults(func=cmd_resume)
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p = sub.add_parser("list", help="列出所有迁移线程")
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p.set_defaults(func=cmd_list)
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p = sub.add_parser("reset", help="删除某个线程的 checkpoint")
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p.add_argument("--thread")
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p.add_argument("--target-dir")
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p.set_defaults(func=cmd_reset)
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args = ap.parse_args()
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root = Path(args.project_root)
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db_path = root.joinpath(*DB_RELATIVE)
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db_path.parent.mkdir(parents=True, exist_ok=True)
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graph_builder = load_graph(root)
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return args.func(args, graph_builder, db_path)
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if __name__ == "__main__":
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sys.exit(main())
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