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deer-flow/backend/pyproject.toml
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AochenShen99 e344be8d94 feat(tests): add Blockbuster runtime gate for event-loop blocking IO (#3229)
* feat(tests): add Blockbuster runtime gate for event-loop blocking IO

Adds a strict runtime gate that fails CI when sync blocking IO calls run
on the asyncio event loop thread through DeerFlow business code.

Components:
- backend/tests/support/detectors/blocking_io_runtime.py — Blockbuster
  context scoped to `app.*` and `deerflow.*` so test infrastructure,
  pytest internals, and third-party libraries stay silent.
- backend/tests/blocking_io/conftest.py — pytest_runtest_protocol
  hookwrapper that wraps every item (setup + call + teardown) with the
  strict context. Respects `@pytest.mark.allow_blocking_io` opt-out.
- backend/tests/blocking_io/test_skills_load.py — regression anchor for
  the #1917 fix (asyncio.to_thread offload around
  LocalSkillStorage.load_skills).
- backend/tests/blocking_io/test_sqlite_lifespan.py — regression anchor
  for the #1912 fix (asyncio.to_thread offload around
  ensure_sqlite_parent_dir).
- backend/tests/blocking_io/test_gate_smoke.py — meta-test asserting the
  gate actually catches unoffloaded blocking IO and that the
  `@pytest.mark.allow_blocking_io` opt-out works.
- backend/Makefile — `make test-blocking-io` target.
- .github/workflows/backend-blocking-io-tests.yml — hard-fail PR gate on
  ubuntu-latest. Windows matrix deferred to follow-up.

Dependencies:
- blockbuster>=1.5.26,<1.6 added to dev group.

Coverage boundary (called out in PR body): the gate only catches blocking
IO on code paths the test suite actually exercises. Static AST inventory
(separate, informational) is the complementary coverage tool. Three blind
spot categories — untested paths, mocked-away paths, env-mismatched paths
— are documented in the PR description.

Findings surfaced while authoring this PR:
- resolve_sqlite_conn_str in runtime/store/_sqlite_utils.py:19 does sync
  Path.resolve() -> os.path.abspath on the lifespan loop thread, ahead of
  the #1912 fix. Not addressed here; tracked as follow-up.

Tests: 4 passed locally (`make test-blocking-io`).
Lint/format: clean (`ruff check` and `ruff format --check`).

* fix(tests): scope Blockbuster gate to blocking-io suite

* fix(tests): harden Blockbuster runtime gate

* test(blocking-io): add project rule extension point

* test(blocking-io): address review cleanup
2026-05-26 23:03:49 +08:00

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TOML

[project]
name = "deer-flow"
version = "0.1.0"
description = "LangGraph-based AI agent system with sandbox execution capabilities"
readme = "README.md"
requires-python = ">=3.12"
dependencies = [
"deerflow-harness",
"fastapi>=0.115.0",
"httpx>=0.28.0",
"python-multipart>=0.0.27",
"sse-starlette>=2.1.0",
"uvicorn[standard]>=0.34.0",
"lark-oapi>=1.4.0",
"slack-sdk>=3.33.0",
"python-telegram-bot>=21.0",
"langgraph-sdk>=0.1.51",
"markdown-to-mrkdwn>=0.3.1",
"wecom-aibot-python-sdk>=0.1.6",
"dingtalk-stream>=0.24.3",
"bcrypt>=4.0.0",
"pyjwt>=2.9.0",
"email-validator>=2.0.0",
]
[project.optional-dependencies]
postgres = ["deerflow-harness[postgres]"]
discord = ["discord.py>=2.7.0"]
[dependency-groups]
dev = [
"blockbuster>=1.5.26,<1.6",
"prompt-toolkit>=3.0.0",
"pytest>=9.0.3",
"pytest-asyncio>=1.3.0",
"ruff>=0.14.11",
]
[tool.pytest.ini_options]
markers = [
"no_auto_user: disable the conftest autouse contextvar fixture for this test",
"allow_blocking_io: opt out of the strict Blockbuster gate in tests/blocking_io/",
]
[tool.uv]
index-url = "https://pypi.org/simple"
[tool.uv.workspace]
members = ["packages/harness"]
[tool.uv.sources]
deerflow-harness = { workspace = true }