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371 lines (333 loc) · 11 KB
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[project]
name = "a2a-sdk"
dynamic = ["version"]
description = "A2A Python SDK"
readme = "README.md"
license = "Apache-2.0"
authors = [{ name = "Google LLC", email = "googleapis-packages@google.com" }]
requires-python = ">=3.10"
keywords = ["A2A", "A2A SDK", "A2A Protocol", "Agent2Agent", "Agent 2 Agent"]
dependencies = [
"httpx>=0.28.1",
"httpx-sse>=0.4.0",
"pydantic>=2.11.3",
"protobuf>=5.29.5,<7",
"google-api-core>=1.26.0",
"json-rpc>=1.15.0",
"googleapis-common-protos>=1.70.0",
"culsans>=0.11.0 ; python_full_version < '3.13'",
"packaging>=24.0",
]
classifiers = [
"Intended Audience :: Developers",
"Programming Language :: Python",
"Programming Language :: Python :: 3",
"Programming Language :: Python :: 3.10",
"Programming Language :: Python :: 3.11",
"Programming Language :: Python :: 3.12",
"Programming Language :: Python :: 3.13",
"Programming Language :: Python :: 3.14",
"Operating System :: OS Independent",
"Topic :: Software Development :: Libraries :: Python Modules",
"License :: OSI Approved :: Apache Software License",
]
[project.optional-dependencies]
http-server = ["sse-starlette", "starlette"]
encryption = ["cryptography>=43.0.0"]
grpc = ["grpcio>=1.60", "grpcio-tools>=1.60", "grpcio-status>=1.60", "grpcio_reflection>=1.7.0"]
telemetry = ["opentelemetry-api>=1.33.0", "opentelemetry-sdk>=1.33.0"]
postgresql = ["sqlalchemy[asyncio,postgresql-asyncpg]>=2.0.0"]
mysql = ["sqlalchemy[asyncio,aiomysql]>=2.0.0"]
signing = ["PyJWT>=2.0.0"]
sqlite = ["sqlalchemy[asyncio,aiosqlite]>=2.0.0"]
db-cli = ["alembic>=1.14.0"]
sql = ["a2a-sdk[postgresql,mysql,sqlite]"]
all = [
"a2a-sdk[http-server]",
"a2a-sdk[sql]",
"a2a-sdk[encryption]",
"a2a-sdk[grpc]",
"a2a-sdk[telemetry]",
"a2a-sdk[signing]",
"a2a-sdk[db-cli]",
]
[project.urls]
homepage = "https://a2a-protocol.org/"
repository = "https://github.com/a2aproject/a2a-python"
changelog = "https://github.com/a2aproject/a2a-python/blob/main/CHANGELOG.md"
documentation = "https://a2a-protocol.org/latest/sdk/python/"
[build-system]
requires = ["hatchling", "uv-dynamic-versioning"]
build-backend = "hatchling.build"
[tool.hatch.version]
source = "uv-dynamic-versioning"
[tool.hatch.build.targets.wheel]
packages = ["src/a2a"]
[tool.hatch.build.targets.sdist]
exclude = ["tests/"]
[tool.pytest.ini_options]
testpaths = ["tests"]
python_files = "test_*.py"
python_functions = "test_*"
addopts = "-ra --strict-markers --dist loadgroup"
markers = [
"asyncio: mark a test as a coroutine that should be run by pytest-asyncio",
"xdist_group: mark a test to run in a specific sequential group for isolation",
]
filterwarnings = [
# SQLAlchemy warning about duplicate class registration - this is a known limitation
# of the dynamic model creation pattern used in models.py for custom table names
"ignore:This declarative base already contains a class with the same class name:sqlalchemy.exc.SAWarning",
# ResourceWarnings from asyncio event loop/socket cleanup during garbage collection
# These appear intermittently between tests due to pytest-asyncio and sse-starlette timing
"ignore:unclosed event loop:ResourceWarning",
"ignore:unclosed transport:ResourceWarning",
"ignore:unclosed <socket.socket:ResourceWarning",
]
[tool.pytest-asyncio]
mode = "strict"
[tool.uv-dynamic-versioning]
vcs = "git"
style = "pep440"
[dependency-groups]
dev = [
"fastapi>=0.115.2",
"mypy>=1.15.0",
"PyJWT>=2.0.0",
"pytest>=8.3.5",
"pytest-asyncio>=0.26.0",
"pytest-cov>=6.1.1",
"pytest-mock>=3.14.0",
"pytest-xdist>=3.6.1",
"respx>=0.20.2",
"ruff>=0.12.8",
"uv-dynamic-versioning>=0.8.2",
"types-protobuf",
"types-requests",
"pre-commit",
"trio",
"uvicorn>=0.35.0",
"pytest-timeout>=2.4.0",
"pyright",
"a2a-sdk[all]",
]
[[tool.uv.index]]
name = "testpypi"
url = "https://test.pypi.org/simple/"
publish-url = "https://test.pypi.org/legacy/"
explicit = true
[tool.uv.sources]
a2a-sdk = { workspace = true }
[tool.mypy]
plugins = ["pydantic.mypy"]
exclude = ["src/a2a/types/a2a_pb2\\.py", "src/a2a/types/a2a_pb2_grpc\\.py"]
disable_error_code = [
"import-not-found",
"annotation-unchecked",
"import-untyped",
]
[[tool.mypy.overrides]]
module = "examples.*"
follow_imports = "skip"
[tool.pyright]
include = ["src"]
exclude = [
"**/__pycache__",
"**/dist",
"**/build",
"**/node_modules",
"**/venv",
"**/.venv",
"src/a2a/types",
"src/a2a/compat/v0_3/*_pb2*.py",
"src/a2a/compat/v0_3/proto_utils.py",
]
venvPath = "."
venv = ".venv"
[tool.coverage.run]
branch = true
omit = [
"*/tests/*",
"*/site-packages/*",
"*/__init__.py",
"src/a2a/types/a2a_pb2.py",
"src/a2a/types/a2a_pb2_grpc.py",
"src/a2a/compat/*/*_pb2*.py",
]
[tool.coverage.report]
exclude_lines = [
"pragma: no cover",
"import",
"def __repr__",
"raise NotImplementedError",
"if TYPE_CHECKING",
"@abstractmethod",
"pass",
"raise ImportError",
]
#
# Ruff linter and code formatter for A2A
#
[tool.ruff]
# This file follows the standards in Google Python Style Guide
# https://google.github.io/styleguide/pyguide.html
line-length = 80 # Google Style Guide §3.2: 80 columns
indent-width = 4 # Google Style Guide §3.4: 4 spaces
target-version = "py310" # Minimum Python version
[tool.ruff.lint]
preview = true
explicit-preview-rules = true
ignore = [
"COM812", # Trailing comma missing.
"FBT001", # Boolean positional arg in function definition
"FBT002", # Boolean default value in function definition
"D203", # 1 blank line required before class docstring (Google: 0)
"D213", # Multi-line docstring summary should start at the second line (Google: first line)
"D100", # Ignore Missing docstring in public module (often desired at top level __init__.py)
"D104", # Ignore Missing docstring in public package (often desired at top level __init__.py)
"D107", # Ignore Missing docstring in __init__ (use class docstring)
"TD002", # Ignore Missing author in TODOs (often not required)
"TD003", # Ignore Missing issue link in TODOs (often not required/available)
"T201", # Ignore print presence
"RUF012", # Ignore Mutable class attributes should be annotated with `typing.ClassVar`
"E501", # Ignore line length (handled by Ruff's dynamic line length)
"ANN002",
"ANN003",
"ANN401",
"TRY003",
"TRY201",
"FIX002",
]
select = [
"E", # pycodestyle errors (PEP 8)
"W", # pycodestyle warnings (PEP 8)
"F", # Pyflakes (logical errors, unused imports/variables)
"I", # isort (import sorting - Google Style §3.1.2)
"D", # pydocstyle (docstring conventions - Google Style §3.8)
"N", # pep8-naming (naming conventions - Google Style §3.16)
"UP", # pyupgrade (use modern Python syntax)
"ANN",# flake8-annotations (type hint usage/style - Google Style §2.22)
"A", # flake8-builtins (avoid shadowing builtins)
"B", # flake8-bugbear (potential logic errors & style issues - incl. mutable defaults B006, B008)
"C4", # flake8-comprehensions (unnecessary list/set/dict comprehensions)
"ISC",# flake8-implicit-str-concat (disallow implicit string concatenation across lines)
"T20",# flake8-print (discourage `print` - prefer logging)
"SIM",# flake8-simplify (simplify code, e.g., `if cond: return True else: return False`)
"PTH",# flake8-use-pathlib (use pathlib instead of os.path where possible)
"PL", # Pylint rules ported to Ruff (PLC, PLE, PLR, PLW)
"PIE",# flake8-pie (misc code improvements, e.g., no-unnecessary-pass)
"RUF",# Ruff-specific rules (e.g., RUF001-003 ambiguous unicode, RUF013 implicit optional)
"RET",# flake8-return (consistency in return statements)
"SLF",# flake8-self (check for private member access via `self`)
"TID",# flake8-tidy-imports (relative imports, banned imports - configure if needed)
"YTT",# flake8-boolean-trap (checks for boolean positional arguments, truthiness tests - Google Style §3.10)
"TD", # flake8-todos (check TODO format - Google Style §3.7)
"TCH",# flake8-type-checking (helps manage TYPE_CHECKING blocks and imports)
"PYI",# flake8-pyi (best practices for .pyi stub files, some rules are useful for .py too)
"S", # flake8-bandit (security issues)
"DTZ",# flake8-datetimez (timezone-aware datetimes)
"ERA",# flake8-eradicate (commented-out code)
"Q", # flake8-quotes (quote style consistency)
"RSE",# flake8-raise (modern raise statements)
"TRY",# tryceratops (exception handling best practices)
"PERF",# perflint (performance anti-patterns)
"BLE",
"T10",
"ICN",
"G",
"FIX",
"ASYNC",
"INP",
]
exclude = [
".bzr",
".direnv",
".eggs",
".git",
".hg",
".mypy_cache",
".nox",
".pants.d",
".pytype",
".ruff_cache",
".svn",
".tox",
".venv",
"__pypackages__",
"_build",
"buck-out",
"build",
"dist",
"node_modules",
"venv",
"*/migrations/*",
"src/a2a/types/a2a_pb2.py",
"src/a2a/types/a2a_pb2.pyi",
"src/a2a/types/a2a_pb2_grpc.py",
"src/a2a/compat/v0_3/*_pb2.py",
"src/a2a/compat/v0_3/*_pb2.pyi",
"src/a2a/compat/v0_3/*_pb2_grpc.py",
]
[tool.ruff.lint.isort]
case-sensitive = true
lines-after-imports = 2
lines-between-types = 1
[tool.ruff.lint.pydocstyle]
convention = "google"
ignore-decorators = ["typing.overload", "abc.abstractmethod"]
[tool.ruff.lint.flake8-annotations]
mypy-init-return = true
allow-star-arg-any = false
[tool.ruff.lint.pep8-naming]
ignore-names = ["test_*", "setUp", "tearDown", "mock_*"]
classmethod-decorators = ["classmethod", "pydantic.validator", "pydantic.root_validator"]
staticmethod-decorators = ["staticmethod"]
[tool.ruff.lint.flake8-tidy-imports]
ban-relative-imports = "all" # Google generally prefers absolute imports (§3.1.2)
[tool.ruff.lint.flake8-quotes]
docstring-quotes = "double"
inline-quotes = "single"
[tool.ruff.lint.per-file-ignores]
"__init__.py" = ["F401", "D", "ANN"] # Ignore unused imports in __init__.py
"*_test.py" = [
"D", # All pydocstyle rules
"ANN", # Missing type annotation for function argument
"RUF013", # Implicit optional type in test function signatures
"S101", # Use of `assert` detected (expected in tests)
"PLR2004",
"SLF001",
]
"test_*.py" = [
"D",
"ANN",
"RUF013",
"S101",
"PLR2004",
"SLF001",
]
"types.py" = ["D", "E501"] # Ignore docstring and annotation issues in types.py
"proto_utils.py" = ["D102", "PLR0911"]
"helpers.py" = ["ANN001", "ANN201", "ANN202"]
"scripts/*.py" = ["INP001"]
[tool.ruff.format]
exclude = [
"src/a2a/types/a2a_pb2.py",
"src/a2a/types/a2a_pb2.pyi",
"src/a2a/types/a2a_pb2_grpc.py",
"src/a2a/compat/v0_3/*_pb2.py",
"src/a2a/compat/v0_3/*_pb2.pyi",
"src/a2a/compat/v0_3/*_pb2_grpc.py",
]
docstring-code-format = true
docstring-code-line-length = "dynamic"
quote-style = "single"
indent-style = "space"
[tool.alembic]
# path to migration scripts.
script_location = "src/a2a/migrations"
# additional paths to be prepended to sys.path. defaults to the current working directory.
prepend_sys_path = [
"src"
]
[project.scripts]
a2a-db = "a2a.a2a_db_cli:run_migrations"
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