Files
AgentLab/backend/app/api/workflows.py
T
ThearchyHelios 7255ae98a5 模型接入报错收尾(第 1 轮复核,后端):交给设置的核查、裁判落到演示模型照实说;给不出修复时说卡在哪里;接入名恰好是模型名那句按这一处检查器里有哪几栏写;修复规划只重算被改的节点;助手栏那一格另给一份说法;几处措辞对齐
- 「不指定接入」交给设置(核查模型、裁判模型)时:启用的接入全是演示类,设置这一级不管写的是什么,执行时落到的都是
  演示模型,说明照实带上「(演示用,不调用真实模型)」、候选带 demo 标记;一个启用的接入都没有时不算落得稳(同别处
  「换成内置演示模型」不算)。以前 land() 在判演示之前就把交给设置的一处当成落稳返回了;
- 检查器里没有下拉框、发布前检查又给不出修复时,提示末尾补「无法改用其他接入:」加第一处落不稳的地方(Landing.why,
  比如「成员「研究员」指定的模型「小模型」所属的模型接入「旧接入」已停用」),不再只剩「核对名称」让人去设置里找一个
  找不到的名字;
- 点名的接入名恰好是某个启用接入的模型:画布、发布前检查按这一处在检查器里有哪几栏写(provider_refs._model_note)——
  模型调用一类在节点的「模型」中选择它,接入在发布前检查里改用这个接入或选择「不指定接入」(修复里有哪项说哪项);
  协作成员、全图默认只说可在发布前检查里改用;核查节点、报告自己的结论句裁判两栏都在,照设置页写这两栏的叫法。
  不再叫人去一个没有的「接入」栏留空。运行时报错不分节点类型,「填写」改为「选择它」;
- 修复候选修完以后落到演示类接入的带 demo 标记,发布弹窗据此在选项名旁加醒目的标签;
- 性能:改一个节点的配置只影响它自己取模型的那几处,修复规划(autofix._ProviderPlan)每试一个候选只重算这个节点
  (provider_refs.node_uses),不再深拷贝、重算整张图;问题提示只问给不给得出(provider_fixable,找到第一个落得稳的
  就停);接入问题的引用整张图只算一遍。60 个节点都点名同一个停用接入时,画布校验里这一部分约 0.35 秒降到约 0.002 秒,
  发布前检查约 0.72 秒降到约 0.01 秒,一次应用 30 条修复约 2.7 秒降到约 0.09 秒;
- 助手:GET /api/copilot/model 另给 panel_error(写在助手栏「助手使用的模型」那一格下面,去向写「上方」,不把人指回这个
  下拉框本身);接入名恰好是模型名时并成一句,不再两次提「助手使用的模型」;PUT /api/settings 里助手那一项的 422 用
  助手报错那一句(那里只有一个选模型的下拉框,没有「换一个接入」的地方);
- 裁判设置的格式检查写「留空表示跟随助手的模型」,同设置页空选项(engine/judge.py 一行,同核查那条的改法);「交给助手」
  后只剩接入问题时写「助手无法处理」,有修复时另起半句「也可在各条问题下方选择改用的模型接入」。

测试:test_provider_ref_wording 加演示落在设置上、demo 标记、给不出修复时卡在哪里(含一个启用接入都没有)、各处的
接入名恰好是模型名、助手栏那一格的说法、助手那一项的 422、裁判格式检查、规划开销随节点数线性增长(数试算时算了多少处
取模型的地方);其余几个文件跟上新说法。新加的核心用例都做过去掉实现、测试变红的验证。
2026-10-06 19:43:44 +08:00

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from __future__ import annotations
from typing import Any
from fastapi import APIRouter, Depends, Header, HTTPException
from pydantic import BaseModel, Field
from sqlalchemy import func, select
from sqlalchemy.ext.asyncio import AsyncSession
from app.core.errors import graph_error
from app.api.runs import actor_of
from app.core.artifact_store import graph_hash
from app.data.catalog_impact import catalog_drift, catalog_versions_for, recorded_versions
from app.db.base import get_session
from app.db.models import Run, Workflow, WorkflowVersion
from app.engine.governance import publish_issues
from app.engine.provider_refs import CODES as PROVIDER_CODES, load_issues, load_providers, quiet_unset_model
from app.engine.schema import GraphSpec, NodeType, validate_graph
router = APIRouter(prefix="/api/workflows", tags=["workflows"])
_GONE = "工作流不存在,可能已被删除"
_LEVELS = ("published", "governed")
_BAD_LEVEL = "发布级别只能是「已发布」或「受管」"
#: 剩下的挡住发布的只有模型接入的问题、人又要交给助手时的说明:换成哪个接入要人拿主意,助手处理不了。发布弹窗里
#: 渲染成「助手:……」,说明里不再带冒号;可能是全图默认、也可能只写了模型而提供它的接入停用了,不说「节点」「点名」。
#: 人刚点了「交给助手」,写「助手无法处理」,不写「无法交给助手处理」(读来像没交出去)
PROVIDER_LEFT = ("剩余的问题是所用的模型接入不存在或已停用,助手无法处理。"
"请在「设置 → 模型接入」中核对名称或启用相应的接入")
#: 剩下的问题里有一条带着修复(provider_refs 按候选算得出来)才补这半句:一个候选都落不稳时那里什么都不给。弹窗里那一组
#: 选项在每条问题下方,标题是「选择……改用的模型接入」;另起半句,不和前面的「或」连用
PROVIDER_LEFT_FIX = ";也可在各条问题下方选择改用的模型接入"
class WorkflowIn(BaseModel):
name: str = Field(min_length=1, max_length=200)
description: str = ""
graph: dict[str, Any] = Field(default_factory=dict)
tags: list[str] = Field(default_factory=list)
class WorkflowPatch(BaseModel):
name: str | None = None
description: str | None = None
graph: dict[str, Any] | None = None
tags: list[str] | None = None
note: str = ""
class WorkflowOut(BaseModel):
id: str
name: str
description: str
graph: dict[str, Any]
tags: list[str]
version: int
is_template: bool
status: str = "draft"
published_version: int | None = None
published_by: str | None = None
created_at: Any = None
updated_at: Any = None
run_count: int = 0
model_config = {"from_attributes": True}
@router.get("", response_model=list[WorkflowOut])
async def list_workflows(session: AsyncSession = Depends(get_session)) -> list[WorkflowOut]:
rows = list(
(await session.execute(select(Workflow).order_by(Workflow.updated_at.desc()))).scalars()
)
counts = dict(
(await session.execute(select(Run.workflow_id, func.count(Run.id)).group_by(Run.workflow_id))).all()
)
out: list[WorkflowOut] = []
for row in rows:
item = WorkflowOut.model_validate(row)
item.run_count = counts.get(row.id, 0)
out.append(item)
return out
@router.post("", response_model=WorkflowOut, status_code=201)
async def create_workflow(
payload: WorkflowIn, session: AsyncSession = Depends(get_session)
) -> Workflow:
workflow = Workflow(
name=payload.name,
description=payload.description,
graph=payload.graph,
tags=payload.tags,
)
session.add(workflow)
await session.flush()
session.add(
WorkflowVersion(workflow_id=workflow.id, version=1, graph=payload.graph,
graph_hash=graph_hash(payload.graph), note="初始版本")
)
await session.commit()
await session.refresh(workflow)
return workflow
@router.get("/{workflow_id}", response_model=WorkflowOut)
async def get_workflow(
workflow_id: str, session: AsyncSession = Depends(get_session)
) -> Workflow:
workflow = await session.get(Workflow, workflow_id)
if not workflow:
raise HTTPException(404, _GONE)
return workflow
@router.patch("/{workflow_id}", response_model=WorkflowOut)
async def update_workflow(
workflow_id: str, payload: WorkflowPatch, session: AsyncSession = Depends(get_session)
) -> Workflow:
workflow = await session.get(Workflow, workflow_id)
if not workflow:
raise HTTPException(404, _GONE)
if payload.name is not None:
workflow.name = payload.name
if payload.description is not None:
workflow.description = payload.description
if payload.tags is not None:
workflow.tags = payload.tags
if payload.graph is not None and payload.graph != workflow.graph:
# 图有实际变化才留快照,避免改个名字就堆一堆版本
workflow.graph = payload.graph
workflow.version += 1
session.add(
WorkflowVersion(
workflow_id=workflow.id,
version=workflow.version,
graph=payload.graph,
graph_hash=graph_hash(payload.graph),
note=payload.note,
)
)
# status 说的是**当前画布**的状态,不是"这个工作流曾经发布过"。
# 改完图还挂着 governed,界面上就会显示一张从未过闸的图是受管模板——
# 已发布的那一版仍由 published_version 指着,formal 运行不受影响。
if workflow.status in ("published", "governed"):
workflow.status = "draft"
await session.commit()
await session.refresh(workflow)
return workflow
@router.delete("/{workflow_id}", status_code=204)
async def delete_workflow(
workflow_id: str, session: AsyncSession = Depends(get_session)
) -> None:
workflow = await session.get(Workflow, workflow_id)
if not workflow:
raise HTTPException(404, _GONE)
# 运行记录是 ON DELETE SET NULL:删掉工作流,已结束的运行留着、照样能核对封存;
# 还在跑的那次会失去归属,再也回不到它的画布,所以和删除运行记录一样先停再删
live = await session.scalar(
select(func.count()).select_from(Run).where(
Run.workflow_id == workflow_id, Run.status.in_(("queued", "running"))
)
)
if live:
raise HTTPException(409, f"该工作流还有 {live} 次运行正在进行,现在删除会使这些运行失去所属工作流。请先停止运行,再删除")
await session.delete(workflow)
await session.commit()
@router.post("/{workflow_id}/duplicate", response_model=WorkflowOut, status_code=201)
async def duplicate_workflow(
workflow_id: str, session: AsyncSession = Depends(get_session)
) -> Workflow:
source = await session.get(Workflow, workflow_id)
if not source:
raise HTTPException(404, _GONE)
copy = Workflow(
name=f"{source.name} 副本",
description=source.description,
graph=source.graph,
tags=list(source.tags or []),
)
session.add(copy)
await session.commit()
await session.refresh(copy)
return copy
class VersionOut(BaseModel):
id: str
version: int
note: str
created_at: Any = None
#: 这一版按哪一档发布的(published / governed)。没发布过、或者是记级别之前发布的为 null
level: str | None = None
model_config = {"from_attributes": True}
@router.get("/{workflow_id}/versions", response_model=list[VersionOut])
async def list_versions(
workflow_id: str, session: AsyncSession = Depends(get_session)
) -> list[WorkflowVersion]:
rows = await session.execute(
select(WorkflowVersion)
.where(WorkflowVersion.workflow_id == workflow_id)
.order_by(WorkflowVersion.version.desc())
)
return list(rows.scalars())
class VersionDetailOut(VersionOut):
workflow_id: str
graph: dict[str, Any]
graph_hash: str | None = None
#: 这一版入口节点声明的字段。正式运行跑的是已发布的那一版,表单得照它来填——
#: 画布上改过入口字段时,拿当前画布的字段去跑已发布版本会传错参数
input_fields: list[dict[str, Any]] = Field(default_factory=list)
published: bool = False
#: 发布时记下的数据目录版本 {"direct": {源名: {表名: 版本}}, "possible": {源名: {表名: 版本}}}:direct 写死的
#: SQL 用到的表,possible Agent 可能查询的表(catalog_impact.recorded_versions,只记了直接引用的旧记录 possible
#: 为空);没发布过、或者记录之前发布的为 null
catalog_versions: dict[str, Any] | None = None
#: 发布之后目录有变化的表:[{source, source_id, table, label, published, current, impact}]
catalog_changes: list[dict[str, Any]] = Field(default_factory=list)
@router.get("/{workflow_id}/versions/{version}", response_model=VersionDetailOut)
async def get_version(
workflow_id: str, version: int, session: AsyncSession = Depends(get_session)
) -> VersionDetailOut:
"""取某一版的完整图。"""
workflow = await session.get(Workflow, workflow_id)
if not workflow:
raise HTTPException(404, _GONE)
snapshot = (
await session.execute(
select(WorkflowVersion).where(
WorkflowVersion.workflow_id == workflow_id,
WorkflowVersion.version == version,
)
)
).scalar_one_or_none()
if not snapshot:
raise HTTPException(404, f"「{workflow.name}」不存在 v{version} 版本")
graph = snapshot.graph or {}
fields: list[dict[str, Any]] = []
for node in graph.get("nodes") or []:
if node.get("type") == "input":
fields.extend(
f for f in ((node.get("data") or {}).get("config") or {}).get("fields") or []
if isinstance(f, dict)
)
return VersionDetailOut(
id=snapshot.id, version=snapshot.version, note=snapshot.note,
created_at=snapshot.created_at, workflow_id=workflow_id, graph=graph,
graph_hash=snapshot.graph_hash or graph_hash(graph), input_fields=fields,
published=workflow.published_version == snapshot.version, level=snapshot.level,
catalog_versions=recorded_versions(snapshot.catalog_versions),
catalog_changes=await catalog_drift(session, snapshot.catalog_versions),
)
@router.post("/{workflow_id}/versions/{version}/restore", response_model=WorkflowOut)
async def restore_version(
workflow_id: str, version: int, session: AsyncSession = Depends(get_session)
) -> Workflow:
workflow = await session.get(Workflow, workflow_id)
if not workflow:
raise HTTPException(404, _GONE)
snapshot = (
await session.execute(
select(WorkflowVersion).where(
WorkflowVersion.workflow_id == workflow_id,
WorkflowVersion.version == version,
)
)
).scalar_one_or_none()
if not snapshot:
raise HTTPException(404, f"不存在 v{version} 版本")
workflow.graph = snapshot.graph
workflow.version += 1
session.add(
WorkflowVersion(
workflow_id=workflow.id,
version=workflow.version,
graph=snapshot.graph,
graph_hash=graph_hash(snapshot.graph),
note=f"回滚到 v{version}",
)
)
# 恢复旧版也是改图,和 PATCH 同一条规矩:旧图没过这次的闸,不能挂着受管 / 已发布
if workflow.status in ("published", "governed"):
workflow.status = "draft"
await session.commit()
await session.refresh(workflow)
return workflow
class PublishIn(BaseModel):
level: str = "published" # published | governed
version: int | None = None # 默认发布当前最新版本
@router.post("/{workflow_id}/publish")
async def publish_workflow(
workflow_id: str,
payload: PublishIn,
session: AsyncSession = Depends(get_session),
x_actor: str | None = Header(default=None),
) -> dict[str, Any]:
"""把某个版本立为正式版本。
formal 运行只能从这里发布过的版本发起。governed 级别额外过治理 lint:
错误会挡住发布——这就是"必经检查点"落地的地方。
返回 200 + ok/issues 而不是抛错,让前端能把问题列表渲染出来。
"""
if payload.level not in _LEVELS:
raise HTTPException(400, _BAD_LEVEL)
workflow = await session.get(Workflow, workflow_id)
if not workflow:
raise HTTPException(404, _GONE)
version = payload.version or workflow.version
snapshot = (
await session.execute(
select(WorkflowVersion).where(
WorkflowVersion.workflow_id == workflow_id,
WorkflowVersion.version == version,
)
)
).scalar_one_or_none()
if not snapshot:
raise HTTPException(404, f"不存在 v{version} 版本:画布上的修改还没有保存,请先保存再发布")
try:
spec = GraphSpec.model_validate(snapshot.graph)
except Exception as e: # noqa: BLE001
return {"ok": False, "issues": [{"level": "error", "message": f"无法解析工作流结构:{graph_error(e)}"}]}
checkers = await _sql_checkers(session, spec)
issues = [i.model_dump() for i in publish_issues(spec, level=payload.level, checkers=checkers,
providers=await _providers(session, spec))]
if any(i["level"] == "error" for i in issues):
return {"ok": False, "level": payload.level, "version": version, "issues": issues}
if not snapshot.graph_hash:
snapshot.graph_hash = graph_hash(snapshot.graph)
# 级别记在这一版上:之后改画布(status 退回 draft),从这一版发起的正式运行照样按发布时的级别出具
snapshot.level = payload.level
# 发布时的目录版本也记在这一版上:重新发布同一版等于按现在的目录重新认可它,跟着更新
snapshot.catalog_versions = await catalog_versions_for(session, spec)
workflow.status = payload.level
workflow.published_version = version
workflow.published_by = actor_of(x_actor)
await session.commit()
return {
"ok": True,
"level": payload.level,
"version": version,
"graph_hash": snapshot.graph_hash,
"published_by": workflow.published_by,
"catalog_versions": recorded_versions(snapshot.catalog_versions),
"issues": issues, # 剩下的都是警告
}
# --------------------------------------------------------------------------
# 发布前检查与自动修复:两个接口都只读,不改库、不发布
# --------------------------------------------------------------------------
class PublishCheckIn(BaseModel):
level: str = "published"
#: 画布上还没保存的图。不带就用库里当前的草稿
graph: dict[str, Any] | None = None
class AutofixIn(PublishCheckIn):
#: 要应用的修复 id(publish-check 给的 fixes[].id)
apply: list[str] = Field(default_factory=list)
#: choice 类修复的选择:{fix_id: 值},可以多选的给列表
choices: dict[str, Any] = Field(default_factory=dict)
#: 剩下的 error 交给 Copilot 试着修(结果同样只是预览)
assist: bool = False
provider: str | None = None
model: str | None = None
async def _draft(session: AsyncSession, workflow_id: str, payload: PublishCheckIn) -> dict[str, Any]:
if payload.level not in _LEVELS:
raise HTTPException(400, _BAD_LEVEL)
workflow = await session.get(Workflow, workflow_id)
if not workflow:
raise HTTPException(404, _GONE)
return payload.graph if payload.graph is not None else (workflow.graph or {})
async def _gate_context(session: AsyncSession, spec: GraphSpec) -> tuple[dict[str, Any], dict[str, Any]]:
"""修复要用、但门禁本身不查库的东西:子工作流当前的发布版本,钉在别处的口径卡有哪些指标。"""
versions: dict[str, Any] = {}
cards: dict[str, Any] = {}
for node in spec.nodes:
cfg = node.config
if node.type == NodeType.SUBGRAPH and cfg.get("workflow_id") and str(cfg["workflow_id"]) not in versions:
upstream = await session.get(Workflow, str(cfg["workflow_id"]))
versions[str(cfg["workflow_id"])] = upstream.published_version if upstream else None
elif node.type == NodeType.METRICS and isinstance(cfg.get("caliber_from"), dict):
ref = cfg["caliber_from"]
version = ref.get("workflow_version")
if not ref.get("workflow_id") or not str(version or "").isdigit():
continue
snapshot = (await session.execute(select(WorkflowVersion).where(
WorkflowVersion.workflow_id == str(ref["workflow_id"]),
WorkflowVersion.version == int(version)))).scalar_one_or_none()
card = next((n for n in ((snapshot.graph if snapshot else None) or {}).get("nodes") or []
if isinstance(n, dict) and n.get("id") == ref.get("node_id")), None)
if card is not None:
cards[node.id] = ((card.get("data") or {}).get("config") or {}).get("metrics") or []
return versions, cards
async def _sql_checkers(session: AsyncSession, spec: GraphSpec) -> dict[str, Any]:
"""图里调用工具节点写死的 SQL 用到的数据源,各建一个基于数据目录的 SQL 检查器。发布、发布前检查、
自动修复都传这一份给门禁(governance.lint_for_publish):门禁本身不查库,三处口径才一致。"""
from app.data.sqlcheck import graph_sources, load_checkers_by_name
return await load_checkers_by_name(session, graph_sources(spec.nodes))
async def _providers(session: AsyncSession, spec: GraphSpec) -> list[Any]:
"""模型接入表:节点点名的接入不存在或已停用、只写了模型而提供它的接入已停用时,发布、发布前检查、自动修复的复核
给 error、挡住发布,修复从启用的接入里列候选(engine/provider_refs.py、autofix 的 provider.*)。和 _sql_checkers
一样由接口这一层读好交给门禁,门禁本身不查库;三处传同一份。图里取模型的几处都没写接入和模型时不读库。"""
return await load_providers(session, spec)
def _unreadable(level: str, e: Exception) -> dict[str, Any]:
return {"level": level, "ok": False, "fixes": [], "issues": [
{"level": "error", "node_id": None, "edge_id": None, "field": None, "code": None, "fix": None,
"message": f"无法解析工作流结构:{graph_error(e)}"}]}
@router.post("/{workflow_id}/publish-check")
async def publish_check(
workflow_id: str, payload: PublishCheckIn, session: AsyncSession = Depends(get_session)
) -> dict[str, Any]:
"""发布前检查:和真正发布同一套口径(validate + 门禁)列出问题,以及能怎么修。
只读:不改库、不发布。发布弹窗一打开就调它,不用等点了发布才知道被拦。
"""
from app.engine.autofix import check
graph = await _draft(session, workflow_id, payload)
try:
spec = GraphSpec.model_validate(graph)
except Exception as e: # noqa: BLE001
return _unreadable(payload.level, e)
versions, cards = await _gate_context(session, spec)
return check(spec, level=payload.level, versions=versions, cards=cards, checkers=await _sql_checkers(session, spec),
providers=await _providers(session, spec))
@router.post("/{workflow_id}/autofix")
async def autofix(
workflow_id: str, payload: AutofixIn, session: AsyncSession = Depends(get_session)
) -> dict[str, Any]:
"""应用选中的修复,返回修复后的整张图——只是预览。
不自动保存、不自动发布:人看过逐项变更再确认,前端走现有的保存接口存草稿,再检查、再发布。
每条修复都复核过(降低要求的、错误没变少或者冒出新错误的丢弃并写明原因)。assist 为真时,
剩下的 error 交给 Copilot,同一道复核通过才采纳。
"""
from app.engine.autofix import apply_fixes, diff_changes
graph = await _draft(session, workflow_id, payload)
try:
spec = GraphSpec.model_validate(graph)
except Exception as e: # noqa: BLE001
bad = _unreadable(payload.level, e)
return {"graph": graph, "changes": [], "ops": [], "applied": [], "rejected": [
{"fix_id": fid, "reason": "无法解析工作流结构,不能应用修复"} for fid in payload.apply],
"remaining": bad["issues"], "fixes": [], "handoff": [], "assist": None, "ok": False}
versions, cards = await _gate_context(session, spec)
checkers = await _sql_checkers(session, spec)
providers = await _providers(session, spec)
out = apply_fixes(graph, payload.apply, payload.choices, level=payload.level, versions=versions, cards=cards,
checkers=checkers, providers=providers)
out["assist"] = None
# 人在选项里选了「交给 Copilot」(handoff),和点「交给 Copilot」是一回事
if payload.assist or out["handoff"]:
if out["ok"]:
out["assist"] = {"ok": True, "summary": "修复后已没有阻止发布的错误,未再交给助手", "questions": []}
return out
left = [i for i in out["remaining"] if i["level"] == "error"]
if all(i.get("code") in PROVIDER_CODES for i in left):
# 剩下的只有点名接入的问题:换成哪个接入要人拿主意(助手的自查也不看接入表),不交给助手
fixable = any(i.get("fix") for i in left)
out["assist"] = {"ok": False, "summary": PROVIDER_LEFT + (PROVIDER_LEFT_FIX if fixable else ""),
"questions": []}
return out
from app.api.copilot import assist_publish_fix
helped = await assist_publish_fix(session, out["graph"], level=payload.level,
provider=payload.provider, model=payload.model)
out["assist"] = {"ok": helped["accepted"], "summary": helped["summary"], "questions": helped["questions"]}
if helped["accepted"]:
fixed = helped["graph"]
out["changes"] += diff_changes(out["graph"], fixed, fix_id="assist", label="助手的修改")
out["ops"] += helped["ops"]
out["applied"].append("assist")
fixed_spec = GraphSpec.model_validate(fixed)
after = apply_fixes(fixed, [], level=payload.level, versions=versions, cards=cards,
checkers=await _sql_checkers(session, fixed_spec),
providers=await _providers(session, fixed_spec))
out.update(graph=fixed, remaining=after["remaining"], fixes=after["fixes"], ok=after["ok"])
elif helped["reason"]:
out["rejected"].append({"fix_id": "assist", "reason": helped["reason"]})
return out
class ValidateIn(BaseModel):
graph: dict[str, Any]
@router.post("/validate")
async def validate(payload: ValidateIn, session: AsyncSession = Depends(get_session)) -> dict[str, Any]:
"""画布上的实时校验。前端每次改动都会调它来标红。
点名的模型接入不存在或已停用(只写了模型、提供它的接入已停用也算)只给警告:探索运行仍可发起,执行到那个节点时
照实报错;发布时才挡住。这时同一节点上「没有指定模型,将使用接入「X」的默认模型」和它矛盾,不再列
(quiet_unset_model,发布一类在 governance._not_repeated 里同样处理)。"""
try:
spec = GraphSpec.model_validate(payload.graph)
except Exception as e: # noqa: BLE001
return {"ok": False, "issues": [{"level": "error", "message": f"无法解析工作流结构:{graph_error(e)}"}]}
result = validate_graph(spec)
found = await load_issues(session, spec, level="warning")
result.issues = [*quiet_unset_model(spec, result.issues, found), *found]
return result.model_dump()
@router.post("/variables")
async def variables(payload: ValidateIn) -> dict[str, Any]:
"""这张图里有哪些变量、谁产出、谁引用。
纯静态分析,不用跑图也不用有运行记录——用户在编排到一半时最需要它,
而那时候还没有任何一次运行可看。运行期的实际取值由前端从事件里补上。
"""
from app.engine.variables import analyze
try:
spec = GraphSpec.model_validate(payload.graph)
except Exception as e: # noqa: BLE001
return {"variables": [], "issues": [{"level": "error", "message": f"无法解析工作流结构:{graph_error(e)}"}]}
return analyze(spec).model_dump()