langchain/libs/langchain/pyproject.toml

[build-system]
requires = ["pdm-backend"]
build-backend = "pdm.backend"

[project]
authors = []
license = { text = "MIT" }
requires-python = "<4.0,>=3.9"
dependencies = [
    "langchain-core<1.0.0,>=0.3.34",
    "langchain-text-splitters<1.0.0,>=0.3.6",
    "langsmith<0.4,>=0.1.17",
    "pydantic<3.0.0,>=2.7.4",
    "SQLAlchemy<3,>=1.4",
    "requests<3,>=2",
    "PyYAML>=5.3",
    "aiohttp<4.0.0,>=3.8.3",
    "tenacity!=8.4.0,<10,>=8.1.0",
    "numpy<2,>=1.26.4; python_version < \"3.12\"",
    "numpy<3,>=1.26.2; python_version >= \"3.12\"",
    "async-timeout<5.0.0,>=4.0.0; python_version < \"3.11\"",
]
name = "langchain"
version = "0.3.18"
description = "Building applications with LLMs through composability"
readme = "README.md"

[project.optional-dependencies]
community = ["langchain-community"]
anthropic = ["langchain-anthropic"]
openai = ["langchain-openai"]
cohere = ["langchain-cohere"]
google-vertexai = ["langchain-google-vertexai"]
google-genai = ["langchain-google-genai"]
fireworks = ["langchain-fireworks"]
ollama = ["langchain-ollama"]
together = ["langchain-together"]
mistralai = ["langchain-mistralai"]
huggingface = ["langchain-huggingface"]
groq = ["langchain-groq"]
aws = ["langchain-aws"]
deepseek = ["langchain-deepseek"]

[project.urls]
"Source Code" = "https://github.com/langchain-ai/langchain/tree/master/libs/langchain"
"Release Notes" = "https://github.com/langchain-ai/langchain/releases?q=tag%3A%22langchain%3D%3D0%22&expanded=true"
repository = "https://github.com/langchain-ai/langchain"

[project.scripts]
langchain-server = "langchain.server:main"

[dependency-groups]
test = [
    "pytest<9,>=8",
    "pytest-cov<5.0.0,>=4.0.0",
    "pytest-dotenv<1.0.0,>=0.5.2",
    "duckdb-engine<1.0.0,>=0.9.2",
    "pytest-watcher<1.0.0,>=0.2.6",
    "freezegun<2.0.0,>=1.2.2",
    "responses<1.0.0,>=0.22.0",
    "pytest-asyncio<1.0.0,>=0.23.2",
    "lark<2.0.0,>=1.1.5",
    "pandas<3.0.0,>=2.0.0",
    "pytest-mock<4.0.0,>=3.10.0",
    "pytest-socket<1.0.0,>=0.6.0",
    "syrupy<5.0.0,>=4.0.2",
    "requests-mock<2.0.0,>=1.11.0",
    "pytest-xdist<4.0.0,>=3.6.1",
    "blockbuster<1.6,>=1.5.14",
    "cffi<1.17.1; python_version < \"3.10\"",
    "cffi; python_version >= \"3.10\"",
    "langchain-tests @ file:///${PROJECT_ROOT}/../standard-tests",
    "langchain-core @ file:///${PROJECT_ROOT}/../core",
    "langchain-text-splitters @ file:///${PROJECT_ROOT}/../text-splitters",
    "langchain-openai @ file:///${PROJECT_ROOT}/../partners/openai",
    "toml>=0.10.2",
    "packaging>=24.2",
]
codespell = ["codespell<3.0.0,>=2.2.0"]
test_integration = [
    "pytest-vcr<2.0.0,>=1.0.2",
    "urllib3<2; python_version < \"3.10\"",
    "wrapt<2.0.0,>=1.15.0",
    "python-dotenv<2.0.0,>=1.0.0",
    "cassio<1.0.0,>=0.1.0",
    "langchainhub<1.0.0,>=0.1.16",
    "langchain-core @ file:///${PROJECT_ROOT}/../core",
    "langchain-text-splitters @ file:///${PROJECT_ROOT}/../text-splitters",
]
lint = [
    "ruff<1.0.0,>=0.9.2",
    "cffi<1.17.1; python_version < \"3.10\"",
    "cffi; python_version >= \"3.10\"",
]
typing = [
    "mypy<2.0,>=1.10",
    "types-pyyaml<7.0.0.0,>=6.0.12.2",
    "types-requests<3.0.0.0,>=2.28.11.5",
    "types-toml<1.0.0.0,>=0.10.8.1",
    "types-redis<5.0.0.0,>=4.3.21.6",
    "types-pytz<2024.0.0.0,>=2023.3.0.0",
    "types-chardet<6.0.0.0,>=5.0.4.6",
    "mypy-protobuf<4.0.0,>=3.0.0",
    "langchain-core @ file:///${PROJECT_ROOT}/../core",
    "langchain-text-splitters @ file:///${PROJECT_ROOT}/../text-splitters",
]
dev = [
    "jupyter<2.0.0,>=1.0.0",
    "playwright<2.0.0,>=1.28.0",
    "setuptools<68.0.0,>=67.6.1",
    "langchain-core @ file:///${PROJECT_ROOT}/../core",
    "langchain-text-splitters @ file:///${PROJECT_ROOT}/../text-splitters",
]


[tool.ruff]
target-version = "py39"
exclude = ["tests/integration_tests/examples/non-utf8-encoding.py"]

[tool.mypy]
ignore_missing_imports = "True"
disallow_untyped_defs = "True"
exclude = ["notebooks", "examples", "example_data"]

[tool.codespell]
skip = ".git,*.pdf,*.svg,*.pdf,*.yaml,*.ipynb,poetry.lock,*.min.js,*.css,package-lock.json,example_data,_dist,examples,*.trig"
ignore-regex = ".*(Stati Uniti|Tense=Pres).*"
ignore-words-list = "momento,collison,ned,foor,reworkd,parth,whats,aapply,mysogyny,unsecure,damon,crate,aadd,symbl,precesses,accademia,nin"

[tool.ruff.lint]
select = ["E", "F", "I", "T201", "D"]
pydocstyle = { convention = "google" }

[tool.ruff.lint.per-file-ignores]
"tests/*" = ["D"]
"!langchain/indexes/vectorstore.py" = ["D"]

[tool.coverage.run]
omit = ["tests/*"]

[tool.pytest.ini_options]
addopts = "--strict-markers --strict-config --durations=5 --snapshot-warn-unused -vv"
markers = [
    "requires: mark tests as requiring a specific library",
    "scheduled: mark tests to run in scheduled testing",
    "compile: mark placeholder test used to compile integration tests without running them",
]
asyncio_mode = "auto"
filterwarnings = [
    "ignore::langchain_core._api.beta_decorator.LangChainBetaWarning",
    "ignore::langchain_core._api.deprecation.LangChainDeprecationWarning:tests",
    "ignore::langchain_core._api.deprecation.LangChainPendingDeprecationWarning:tests",
]