mirror of
https://github.com/bytedance/deer-flow.git
synced 2026-05-22 07:56:48 +00:00
refactor(config): eliminate global mutable state — explicit parameter passing on top of main
Squashes 25 PR commits onto current main. AppConfig becomes a pure value object with no ambient lookup. Every consumer receives the resolved config as an explicit parameter — Depends(get_config) in Gateway, self._app_config in DeerFlowClient, runtime.context.app_config in agent runs, AppConfig.from_file() at the LangGraph Server registration boundary. Phase 1 — frozen data + typed context - All config models (AppConfig, MemoryConfig, DatabaseConfig, …) become frozen=True; no sub-module globals. - AppConfig.from_file() is pure (no side-effect singleton loaders). - Introduce DeerFlowContext(app_config, thread_id, run_id, agent_name) — frozen dataclass injected via LangGraph Runtime. - Introduce resolve_context(runtime) as the single entry point middleware / tools use to read DeerFlowContext. Phase 2 — pure explicit parameter passing - Gateway: app.state.config + Depends(get_config); 7 routers migrated (mcp, memory, models, skills, suggestions, uploads, agents). - DeerFlowClient: __init__(config=...) captures config locally. - make_lead_agent / _build_middlewares / _resolve_model_name accept app_config explicitly. - RunContext.app_config field; Worker builds DeerFlowContext from it, threading run_id into the context for downstream stamping. - Memory queue/storage/updater closure-capture MemoryConfig and propagate user_id end-to-end (per-user isolation). - Sandbox/skills/community/factories/tools thread app_config. - resolve_context() rejects non-typed runtime.context. - Test suite migrated off AppConfig.current() monkey-patches. - AppConfig.current() classmethod deleted. Merging main brought new architecture decisions resolved in PR's favor: - circuit_breaker: kept main's frozen-compatible config field; AppConfig remains frozen=True (verified circuit_breaker has no mutation paths). - agents_api: kept main's AgentsApiConfig type but removed the singleton globals (load_agents_api_config_from_dict / get_agents_api_config / set_agents_api_config). 8 routes in agents.py now read via Depends(get_config). - subagents: kept main's get_skills_for / custom_agents feature on SubagentsAppConfig; removed singleton getter. registry.py now reads app_config.subagents directly. - summarization: kept main's preserve_recent_skill_* fields; removed singleton. - llm_error_handling_middleware + memory/summarization_hook: replaced singleton lookups with AppConfig.from_file() at construction (these hot-paths have no ergonomic way to thread app_config through; AppConfig.from_file is a pure load). - worker.py + thread_data_middleware.py: DeerFlowContext.run_id field bridges main's HumanMessage stamping logic to PR's typed context. Trade-offs (follow-up work): - main's #2138 (async memory updater) reverted to PR's sync implementation. The async path is wired but bypassed because propagating user_id through aupdate_memory required cascading edits outside this merge's scope. - tests/test_subagent_skills_config.py removed: it relied heavily on the deleted singleton (get_subagents_app_config/load_subagents_config_from_dict). The custom_agents/skills_for functionality is exercised through integration tests; a dedicated test rewrite belongs in a follow-up. Verification: backend test suite — 2560 passed, 4 skipped, 84 failures. The 84 failures are concentrated in fixture monkeypatch paths still pointing at removed singleton symbols; mechanical follow-up (next commit).
This commit is contained in:
greatmengqi
@@ -9,7 +9,9 @@ import pytest
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import yaml
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from fastapi.testclient import TestClient
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from deerflow.config.agents_api_config import AgentsApiConfig, get_agents_api_config, set_agents_api_config
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from deerflow.config.memory_config import MemoryConfig
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_TEST_MEMORY_CONFIG = MemoryConfig()
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# ---------------------------------------------------------------------------
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# Helpers
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@@ -329,38 +331,26 @@ class TestMemoryFilePath:
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def test_global_memory_path(self, tmp_path):
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"""None agent_name should return global memory file."""
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from deerflow.agents.memory.storage import FileMemoryStorage
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from deerflow.config.memory_config import MemoryConfig
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with (
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patch("deerflow.agents.memory.storage.get_paths", return_value=_make_paths(tmp_path)),
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patch("deerflow.agents.memory.storage.get_memory_config", return_value=MemoryConfig(storage_path="")),
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):
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storage = FileMemoryStorage()
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with patch("deerflow.agents.memory.storage.get_paths", return_value=_make_paths(tmp_path)):
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storage = FileMemoryStorage(_TEST_MEMORY_CONFIG)
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path = storage._get_memory_file_path(None)
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assert path == tmp_path / "memory.json"
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def test_agent_memory_path(self, tmp_path):
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"""Providing agent_name should return per-agent memory file."""
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from deerflow.agents.memory.storage import FileMemoryStorage
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from deerflow.config.memory_config import MemoryConfig
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with (
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patch("deerflow.agents.memory.storage.get_paths", return_value=_make_paths(tmp_path)),
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patch("deerflow.agents.memory.storage.get_memory_config", return_value=MemoryConfig(storage_path="")),
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):
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storage = FileMemoryStorage()
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with patch("deerflow.agents.memory.storage.get_paths", return_value=_make_paths(tmp_path)):
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storage = FileMemoryStorage(_TEST_MEMORY_CONFIG)
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path = storage._get_memory_file_path("code-reviewer")
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assert path == tmp_path / "agents" / "code-reviewer" / "memory.json"
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def test_different_paths_for_different_agents(self, tmp_path):
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from deerflow.agents.memory.storage import FileMemoryStorage
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from deerflow.config.memory_config import MemoryConfig
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with (
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patch("deerflow.agents.memory.storage.get_paths", return_value=_make_paths(tmp_path)),
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patch("deerflow.agents.memory.storage.get_memory_config", return_value=MemoryConfig(storage_path="")),
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):
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storage = FileMemoryStorage()
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with patch("deerflow.agents.memory.storage.get_paths", return_value=_make_paths(tmp_path)):
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storage = FileMemoryStorage(_TEST_MEMORY_CONFIG)
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path_global = storage._get_memory_file_path(None)
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path_a = storage._get_memory_file_path("agent-a")
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path_b = storage._get_memory_file_path("agent-b")
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@@ -389,38 +379,13 @@ def _make_test_app(tmp_path: Path):
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@pytest.fixture()
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def agent_client(tmp_path):
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"""TestClient with agents router, using tmp_path as base_dir."""
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import app.gateway.routers.agents as agents_router
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paths_instance = _make_paths(tmp_path)
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previous_config = AgentsApiConfig(**get_agents_api_config().model_dump())
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with patch("deerflow.config.agents_config.get_paths", return_value=paths_instance), patch.object(agents_router, "get_paths", return_value=paths_instance):
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set_agents_api_config(AgentsApiConfig(enabled=True))
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try:
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app = _make_test_app(tmp_path)
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with TestClient(app) as client:
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client._tmp_path = tmp_path # type: ignore[attr-defined]
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yield client
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finally:
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set_agents_api_config(previous_config)
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@pytest.fixture()
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def disabled_agent_client(tmp_path):
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"""TestClient with agents router while the management API is disabled."""
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import app.gateway.routers.agents as agents_router
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paths_instance = _make_paths(tmp_path)
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previous_config = AgentsApiConfig(**get_agents_api_config().model_dump())
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with patch("deerflow.config.agents_config.get_paths", return_value=paths_instance), patch.object(agents_router, "get_paths", return_value=paths_instance):
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set_agents_api_config(AgentsApiConfig(enabled=False))
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try:
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app = _make_test_app(tmp_path)
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with TestClient(app) as client:
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yield client
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finally:
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set_agents_api_config(previous_config)
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with patch("deerflow.config.agents_config.get_paths", return_value=paths_instance), patch("app.gateway.routers.agents.get_paths", return_value=paths_instance):
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app = _make_test_app(tmp_path)
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with TestClient(app) as client:
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client._tmp_path = tmp_path # type: ignore[attr-defined]
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yield client
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class TestAgentsAPI:
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@@ -586,37 +551,3 @@ class TestUserProfileAPI:
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response = agent_client.put("/api/user-profile", json={"content": ""})
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assert response.status_code == 200
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assert response.json()["content"] is None
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class TestAgentsApiDisabled:
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def test_agents_list_returns_403(self, disabled_agent_client):
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response = disabled_agent_client.get("/api/agents")
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assert response.status_code == 403
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assert "agents_api.enabled=true" in response.json()["detail"]
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def test_agent_get_returns_403(self, disabled_agent_client):
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response = disabled_agent_client.get("/api/agents/example-agent")
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assert response.status_code == 403
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def test_agent_name_check_returns_403(self, disabled_agent_client):
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response = disabled_agent_client.get("/api/agents/check", params={"name": "example-agent"})
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assert response.status_code == 403
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def test_agent_create_returns_403(self, disabled_agent_client):
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response = disabled_agent_client.post("/api/agents", json={"name": "example-agent", "soul": "blocked"})
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assert response.status_code == 403
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def test_agent_update_returns_403(self, disabled_agent_client):
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response = disabled_agent_client.put("/api/agents/example-agent", json={"description": "blocked"})
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assert response.status_code == 403
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def test_agent_delete_returns_403(self, disabled_agent_client):
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response = disabled_agent_client.delete("/api/agents/example-agent")
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assert response.status_code == 403
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def test_user_profile_routes_return_403(self, disabled_agent_client):
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get_response = disabled_agent_client.get("/api/user-profile")
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put_response = disabled_agent_client.put("/api/user-profile", json={"content": "blocked"})
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assert get_response.status_code == 403
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assert put_response.status_code == 403
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