langchain-chdb/pyproject.toml at main · chdb-io/langchain-chdb · GitHub

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[build-system]
requires = ["hatchling>=1.21"]
build-backend = "hatchling.build"

[project]
name = "langchain-chdb"
version = "0.1.0"
description = "LangChain provider for chDB — vector store, document loader, chat history, and SQL backend for LangChain agents. In-process OLAP with native vectors and federation to remote ClickHouse."
readme = "README.md"
requires-python = ">=3.10"
license = "Apache-2.0"
license-files = ["LICENSE"]
authors = [
    { name = "Shawn Chen", email = "changshuo.chen@clickhouse.com" },
]
keywords = ["langchain", "chdb", "clickhouse", "olap", "vector-store", "rag", "ai", "agent", "llm"]
classifiers = [
    "Development Status :: 3 - Alpha",
    "Intended Audience :: Developers",
    "License :: OSI Approved :: Apache Software License",
    "Operating System :: OS Independent",
    "Programming Language :: Python :: 3",
    "Programming Language :: Python :: 3.10",
    "Programming Language :: Python :: 3.11",
    "Programming Language :: Python :: 3.12",
    "Programming Language :: Python :: 3.13",
    "Topic :: Database",
    "Topic :: Scientific/Engineering :: Artificial Intelligence",
]
dependencies = [
    "chdb>=4.2.0",  # chdb.agents.safety / ChDBTool contract
    "langchain-core>=1.2,<2.0",
]

[project.optional-dependencies]
# SQLDatabaseToolkit path — pulls the SQLAlchemy dialect transitively.
sql = [
    "chdb-sqlalchemy>=0.2.1",
]
# Unit + contract tests. `langchain-tests` ships the VectorStoreIntegrationTests
# conformance suite required by Step 3 of the v0.1 plan.
test = [
    "pytest>=8.0",
    "pytest-asyncio>=0.23",
    "pandas>=2.2",
    "pyarrow>=15",
    "langchain-community>=0.3",
    "langchain-tests>=1.1.8,<1.2",
    "ruff>=0.6",
    "mypy>=1.10",
]
# Heavy embedder fixtures. Gated to nightly / local runs, not default PR CI.
test-integration = [
    "langchain-huggingface>=0.2",
    "sentence-transformers>=3.0",
]

[project.urls]
Homepage = "https://github.com/chdb-io/langchain-chdb"
Repository = "https://github.com/chdb-io/langchain-chdb"
Issues = "https://github.com/chdb-io/langchain-chdb/issues"
Documentation = "https://github.com/chdb-io/langchain-chdb#readme"

[tool.hatch.build.targets.wheel]
packages = ["langchain_chdb"]

[tool.pytest.ini_options]
minversion = "8.0"
testpaths = ["tests"]
addopts = "-ra --strict-markers"
asyncio_mode = "auto"
markers = [
    "integration: requires the [test-integration] extra (HF embedder, real network for model download)",
]

[tool.ruff]
line-length = 100
target-version = "py310"

[tool.ruff.lint]
select = ["E", "F", "W", "I", "UP", "B", "SIM", "RUF"]
ignore = [
    "E501",   # line too long — handled by formatter
    "RUF001", # ambiguous unicode in string — em-dashes are intentional
    "RUF002", # ambiguous unicode in docstring — em-dashes are intentional
    "RUF022", # __all__ unsorted — semantic grouping preferred
]

[tool.mypy]
# Target 3.12 so mypy accepts numpy 2.x's shipped stubs, which use PEP 695
# `type` statements that mypy rejects as a syntax error under a lower target
# (mypy reaches numpy by following imports through the untyped chdb dependency).
# Real 3.10-runtime compatibility is guarded by the unit-test matrix (3.10–3.13).
python_version = "3.12"
strict = false
warn_unused_ignores = true
ignore_missing_imports = true
warn_return_any = false
disable_error_code = ["override", "assignment", "no-untyped-def", "misc"]