update dependency tests

libs/langchain/pyproject.toml

@@ -152,6 +152,8 @@ test = [
     "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",

libs/langchain/tests/unit_tests/test_dependencies.py

@@ -5,6 +5,7 @@ from typing import Any, Dict, Mapping
 
 import pytest
 import toml
+from packaging.requirements import Requirement
 
 HERE = Path(__file__).parent
 
@@ -12,30 +13,21 @@ PYPROJECT_TOML = HERE / "../../pyproject.toml"
 
 
 @pytest.fixture()
-def poetry_conf() -> Dict[str, Any]:
+def uv_conf() -> Dict[str, Any]:
     """Load the pyproject.toml file."""
     with open(PYPROJECT_TOML) as f:
-        return toml.load(f)["tool"]["poetry"]
+        return toml.load(f)
 
 
-def test_required_dependencies(poetry_conf: Mapping[str, Any]) -> None:
+def test_required_dependencies(uv_conf: Mapping[str, Any]) -> None:
     """A test that checks if a new non-optional dependency is being introduced.
 
     If this test is triggered, it means that a contributor is trying to introduce a new
     required dependency. This should be avoided in most situations.
     """
     # Get the dependencies from the [tool.poetry.dependencies] section
-    dependencies = poetry_conf["dependencies"]
+    dependencies = uv_conf["project"]["dependencies"]
-
+    required_dependencies = set(Requirement(dep).name for dep in dependencies)
-    is_required = {
-        package_name: isinstance(requirements, str)
-        or isinstance(requirements, list)
-        or not requirements.get("optional", False)
-        for package_name, requirements in dependencies.items()
-    }
-    required_dependencies = [
-        package_name for package_name, required in is_required.items() if required
-    ]
 
     assert sorted(required_dependencies) == sorted(
         [
@@ -48,22 +40,13 @@ def test_required_dependencies(poetry_conf: Mapping[str, Any]) -> None:
             "langsmith",
             "numpy",
             "pydantic",
-            "python",
             "requests",
             "tenacity",
         ]
     )
 
-    unrequired_dependencies = [
-        package_name for package_name, required in is_required.items() if not required
-    ]
-    in_extras = [
-        dep for group in poetry_conf.get("extras", {}).values() for dep in group
-    ]
-    assert set(unrequired_dependencies) == set(in_extras)
 
-
+def test_test_group_dependencies(uv_conf: Mapping[str, Any]) -> None:
-def test_test_group_dependencies(poetry_conf: Mapping[str, Any]) -> None:
     """Check if someone is attempting to add additional test dependencies.
 
     Only dependencies associated with test running infrastructure should be added
@@ -72,9 +55,10 @@ def test_test_group_dependencies(poetry_conf: Mapping[str, Any]) -> None:
     Examples of dependencies that should NOT be included: boto3, azure, postgres, etc.
     """
 
-    test_group_deps = sorted(poetry_conf["group"]["test"]["dependencies"])
+    dependencies = uv_conf["dependency-groups"]["test"]
+    test_group_deps = set(Requirement(dep).name for dep in dependencies)
 
-    assert test_group_deps == sorted(
+    assert sorted(test_group_deps) == sorted(
         [
             "duckdb-engine",
             "freezegun",
@@ -83,6 +67,7 @@ def test_test_group_dependencies(poetry_conf: Mapping[str, Any]) -> None:
             "langchain-text-splitters",
             "langchain-openai",
             "lark",
+            "packaging",
             "pandas",
             "pytest",
             "pytest-asyncio",
@@ -94,6 +79,7 @@ def test_test_group_dependencies(poetry_conf: Mapping[str, Any]) -> None:
             "pytest-xdist",
             "responses",
             "syrupy",
+            "toml",
             "requests-mock",
             # TODO: temporary hack since cffi 1.17.1 doesn't work with py 3.9.
             "cffi",

libs/langchain/uv.lock

@@ -1650,6 +1650,7 @@ test = [
     { name = "langchain-tests" },
     { name = "langchain-text-splitters" },
     { name = "lark" },
+    { name = "packaging" },
     { name = "pandas" },
     { name = "pytest" },
     { name = "pytest-asyncio" },
@@ -1662,6 +1663,7 @@ test = [
     { name = "requests-mock" },
     { name = "responses" },
     { name = "syrupy" },
+    { name = "toml" },
 ]
 test-integration = [
     { name = "cassio" },
@@ -1725,6 +1727,7 @@ test = [
     { name = "langchain-tests", directory = "../standard-tests" },
     { name = "langchain-text-splitters", directory = "../text-splitters" },
     { name = "lark", specifier = ">=1.1.5,<2.0.0" },
+    { name = "packaging", specifier = ">=24.2" },
     { name = "pandas", specifier = ">=2.0.0,<3.0.0" },
     { name = "pytest", specifier = ">=8,<9" },
     { name = "pytest-asyncio", specifier = ">=0.23.2,<1.0.0" },
@@ -1737,6 +1740,7 @@ test = [
     { name = "requests-mock", specifier = ">=1.11.0,<2.0.0" },
     { name = "responses", specifier = ">=0.22.0,<1.0.0" },
     { name = "syrupy", specifier = ">=4.0.2,<5.0.0" },
+    { name = "toml", specifier = ">=0.10.2" },
 ]
 test-integration = [
     { name = "cassio", specifier = ">=0.1.0,<1.0.0" },
@@ -3783,6 +3787,15 @@ wheels = [
     { url = "https://files.pythonhosted.org/packages/e6/34/ebdc18bae6aa14fbee1a08b63c015c72b64868ff7dae68808ab500c492e2/tinycss2-1.4.0-py3-none-any.whl", hash = "sha256:3a49cf47b7675da0b15d0c6e1df8df4ebd96e9394bb905a5775adb0d884c5289", size = 26610 },
 ]
 
+[[package]]
+name = "toml"
+version = "0.10.2"
+source = { registry = "https://pypi.org/simple" }
+sdist = { url = "https://files.pythonhosted.org/packages/be/ba/1f744cdc819428fc6b5084ec34d9b30660f6f9daaf70eead706e3203ec3c/toml-0.10.2.tar.gz", hash = "sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f", size = 22253 }
+wheels = [
+    { url = "https://files.pythonhosted.org/packages/44/6f/7120676b6d73228c96e17f1f794d8ab046fc910d781c8d151120c3f1569e/toml-0.10.2-py2.py3-none-any.whl", hash = "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b", size = 16588 },
+]
+
 [[package]]
 name = "tomli"
 version = "2.2.1"