cr

.github/workflows/check_versions.yml

@@ -18,13 +18,13 @@ on:
       - "libs/partners/openai/pyproject.toml"
       - "libs/partners/openai/langchain_openai/_version.py"
       - "libs/partners/groq/pyproject.toml"
-      - "libs/partners/groq/langchain_groq/version.py"
+      - "libs/partners/groq/langchain_groq/_version.py"
       - "libs/partners/deepseek/pyproject.toml"
       - "libs/partners/deepseek/langchain_deepseek/_version.py"
       - "libs/partners/xai/pyproject.toml"
       - "libs/partners/xai/langchain_xai/_version.py"
       - "libs/partners/fireworks/pyproject.toml"
-      - "libs/partners/fireworks/langchain_fireworks/version.py"
+      - "libs/partners/fireworks/langchain_fireworks/_version.py"
       - "libs/partners/mistralai/pyproject.toml"
       - "libs/partners/mistralai/langchain_mistralai/_version.py"
       - "libs/partners/ollama/pyproject.toml"
@@ -95,7 +95,7 @@ jobs:
 
           check_version "langchain-groq" \
             libs/partners/groq/pyproject.toml \
-            libs/partners/groq/langchain_groq/version.py \
+            libs/partners/groq/langchain_groq/_version.py \
             "__version__" || FAILED=1
 
           check_version "langchain-deepseek" \
@@ -110,7 +110,7 @@ jobs:
 
           check_version "langchain-fireworks" \
             libs/partners/fireworks/pyproject.toml \
-            libs/partners/fireworks/langchain_fireworks/version.py \
+            libs/partners/fireworks/langchain_fireworks/_version.py \
             "__version__" || FAILED=1
 
           check_version "langchain-mistralai" \

libs/partners/fireworks/langchain_fireworks/__init__.py

@@ -1,9 +1,9 @@
 """Fireworks AI integration for LangChain."""
 
+from langchain_fireworks._version import __version__
 from langchain_fireworks.chat_models import ChatFireworks
 from langchain_fireworks.embeddings import FireworksEmbeddings
 from langchain_fireworks.llms import Fireworks
-from langchain_fireworks.version import __version__
 
 __all__ = [
     "ChatFireworks",

libs/partners/fireworks/langchain_fireworks/chat_models.py

@@ -83,8 +83,8 @@ from pydantic import (
 from typing_extensions import Self
 
 from langchain_fireworks._compat import _convert_from_v1_to_chat_completions
+from langchain_fireworks._version import __version__
 from langchain_fireworks.data._profiles import _PROFILES
-from langchain_fireworks.version import __version__
 
 logger = logging.getLogger(__name__)
 

libs/partners/fireworks/langchain_fireworks/llms.py

@@ -16,7 +16,7 @@ from langchain_core.utils import get_pydantic_field_names
 from langchain_core.utils.utils import _build_model_kwargs, secret_from_env
 from pydantic import ConfigDict, Field, SecretStr, model_validator
 
-from langchain_fireworks.version import __version__
+from langchain_fireworks._version import __version__
 
 logger = logging.getLogger(__name__)
 

libs/partners/fireworks/scripts/check_version.py

@@ -1,7 +1,7 @@
-"""Check version consistency between `pyproject.toml` and `version.py`.
+"""Check version consistency between `pyproject.toml` and `_version.py`.
 
 This script validates that the version defined in pyproject.toml matches the
-`__version__` variable in `langchain_fireworks/version.py`. Intended for use as a
+`__version__` variable in `langchain_fireworks/_version.py`. Intended for use as a
 pre-commit hook to prevent version mismatches.
 """
 
@@ -18,7 +18,7 @@ def get_pyproject_version(pyproject_path: Path) -> str | None:
 
 
 def get_version_py_version(version_path: Path) -> str | None:
-    """Extract `__version__` from `version.py`.
+    """Extract `__version__` from `_version.py`.
 
     Returns ``None`` if the version is set dynamically (e.g. via
     ``importlib.metadata``), indicating the check should be skipped.
@@ -34,7 +34,7 @@ def main() -> int:
     package_dir = script_dir.parent
 
     pyproject_path = package_dir / "pyproject.toml"
-    version_path = package_dir / "langchain_fireworks" / "version.py"
+    version_path = package_dir / "langchain_fireworks" / "_version.py"
 
     if not pyproject_path.exists():
         print(f"Error: {pyproject_path} not found")  # noqa: T201
@@ -60,7 +60,7 @@ def main() -> int:
     if pyproject_version != version_py_version:
         print("Error: Version mismatch detected!")  # noqa: T201
         print(f"  pyproject.toml: {pyproject_version}")  # noqa: T201
-        print(f"  langchain_fireworks/version.py: {version_py_version}")  # noqa: T201
+        print(f"  langchain_fireworks/_version.py: {version_py_version}")  # noqa: T201
         return 1
 
     print(f"Version check passed: {pyproject_version}")  # noqa: T201

libs/partners/groq/langchain_groq/__init__.py

@@ -1,6 +1,6 @@
 """Groq integration for LangChain."""
 
+from langchain_groq._version import __version__
 from langchain_groq.chat_models import ChatGroq
-from langchain_groq.version import __version__
 
 __all__ = ["ChatGroq", "__version__"]

libs/partners/groq/langchain_groq/chat_models.py

@@ -71,8 +71,8 @@ from pydantic import BaseModel, ConfigDict, Field, SecretStr, model_validator
 from typing_extensions import Self
 
 from langchain_groq._compat import _convert_from_v1_to_groq
+from langchain_groq._version import __version__
 from langchain_groq.data._profiles import _PROFILES
-from langchain_groq.version import __version__
 
 _MODEL_PROFILES = cast("ModelProfileRegistry", _PROFILES)
 _STRICT_STRUCTURED_OUTPUT_MODELS = frozenset(

libs/partners/groq/scripts/check_version.py

@@ -1,7 +1,7 @@
-"""Check version consistency between `pyproject.toml` and `version.py`.
+"""Check version consistency between `pyproject.toml` and `_version.py`.
 
 This script validates that the version defined in pyproject.toml matches the
-`__version__` variable in `langchain_groq/version.py`. Intended for use as a
+`__version__` variable in `langchain_groq/_version.py`. Intended for use as a
 pre-commit hook to prevent version mismatches.
 """
 
@@ -18,7 +18,7 @@ def get_pyproject_version(pyproject_path: Path) -> str | None:
 
 
 def get_version_py_version(version_path: Path) -> str | None:
-    """Extract `__version__` from `version.py`.
+    """Extract `__version__` from `_version.py`.
 
     Returns ``None`` if the version is set dynamically (e.g. via
     ``importlib.metadata``), indicating the check should be skipped.
@@ -34,7 +34,7 @@ def main() -> int:
     package_dir = script_dir.parent
 
     pyproject_path = package_dir / "pyproject.toml"
-    version_path = package_dir / "langchain_groq" / "version.py"
+    version_path = package_dir / "langchain_groq" / "_version.py"
 
     if not pyproject_path.exists():
         print(f"Error: {pyproject_path} not found")  # noqa: T201
@@ -60,7 +60,7 @@ def main() -> int:
     if pyproject_version != version_py_version:
         print("Error: Version mismatch detected!")  # noqa: T201
         print(f"  pyproject.toml: {pyproject_version}")  # noqa: T201
-        print(f"  langchain_groq/version.py: {version_py_version}")  # noqa: T201
+        print(f"  langchain_groq/_version.py: {version_py_version}")  # noqa: T201
         return 1
 
     print(f"Version check passed: {pyproject_version}")  # noqa: T201

libs/partners/ollama/langchain_ollama/__init__.py

@@ -13,27 +13,11 @@ service.
 
 """
 
-from importlib import metadata
-from importlib.metadata import PackageNotFoundError
-
+from langchain_ollama._version import __version__
 from langchain_ollama.chat_models import ChatOllama
 from langchain_ollama.embeddings import OllamaEmbeddings
 from langchain_ollama.llms import OllamaLLM
 
-
-def _raise_package_not_found_error() -> None:
-    raise PackageNotFoundError
-
-
-try:
-    if __package__ is None:
-        _raise_package_not_found_error()
-    __version__ = metadata.version(__package__)
-except metadata.PackageNotFoundError:
-    # Case where package metadata is not available.
-    __version__ = ""
-del metadata  # optional, avoids polluting the results of dir(__package__)
-
 __all__ = [
     "ChatOllama",
     "OllamaEmbeddings",

libs/partners/ollama/tests/unit_tests/test_llms.py

@@ -90,3 +90,12 @@ async def test_acreate_generate_stream_raises_when_client_none() -> None:
         with pytest.raises(RuntimeError, match="async client is not initialized"):
             async for _ in llm._acreate_generate_stream("Hello"):
                 pass
+
+
+def test_metadata_versions() -> None:
+    """Test that metadata reports the correct version info."""
+    llm = OllamaLLM(model=MODEL_NAME)
+    assert llm.metadata is not None
+    versions = llm.metadata["versions"]
+    assert "langchain-core" in versions
+    assert "langchain-ollama" in versions