ollama[major]: upgrade pydantic (#26044)

libs/partners/ollama/langchain_ollama/chat_models.py

@@ -35,11 +35,12 @@ from langchain_core.messages import (
 from langchain_core.messages.ai import UsageMetadata
 from langchain_core.messages.tool import tool_call
 from langchain_core.outputs import ChatGeneration, ChatGenerationChunk, ChatResult
-from langchain_core.pydantic_v1 import Field, root_validator
 from langchain_core.runnables import Runnable
 from langchain_core.tools import BaseTool
 from langchain_core.utils.function_calling import convert_to_openai_tool
 from ollama import AsyncClient, Client, Message, Options
+from pydantic import PrivateAttr, model_validator
+from typing_extensions import Self
 
 
 def _get_usage_metadata_from_generation_info(
@@ -328,12 +329,12 @@ class ChatOllama(BaseChatModel):
     For a full list of the params, see [this link](https://pydoc.dev/httpx/latest/httpx.Client.html)
     """
 
-    _client: Client = Field(default=None)
+    _client: Client = PrivateAttr(default=None)
     """
     The client to use for making requests.
     """
 
-    _async_client: AsyncClient = Field(default=None)
+    _async_client: AsyncClient = PrivateAttr(default=None)
     """
     The async client to use for making requests.
     """
@@ -364,14 +365,13 @@ class ChatOllama(BaseChatModel):
             "keep_alive": self.keep_alive,
         }
 
-    @root_validator(pre=False, skip_on_failure=True)
-    def _set_clients(cls, values: dict) -> dict:
+    @model_validator(mode="after")
+    def _set_clients(self) -> Self:
         """Set clients to use for ollama."""
-        values["_client"] = Client(host=values["base_url"], **values["client_kwargs"])
-        values["_async_client"] = AsyncClient(
-            host=values["base_url"], **values["client_kwargs"]
-        )
-        return values
+        client_kwargs = self.client_kwargs or {}
+        self._client = Client(host=self.base_url, **client_kwargs)
+        self._async_client = AsyncClient(host=self.base_url, **client_kwargs)
+        return self
 
     def _convert_messages_to_ollama_messages(
         self, messages: List[BaseMessage]

libs/partners/ollama/langchain_ollama/embeddings.py

@@ -4,8 +4,14 @@ from typing import (
 )
 
 from langchain_core.embeddings import Embeddings
-from langchain_core.pydantic_v1 import BaseModel, Field, root_validator
 from ollama import AsyncClient, Client
+from pydantic import (
+    BaseModel,
+    ConfigDict,
+    PrivateAttr,
+    model_validator,
+)
+from typing_extensions import Self
 
 
 class OllamaEmbeddings(BaseModel, Embeddings):
@@ -126,29 +132,27 @@ class OllamaEmbeddings(BaseModel, Embeddings):
     For a full list of the params, see [this link](https://pydoc.dev/httpx/latest/httpx.Client.html)
     """
 
-    _client: Client = Field(default=None)
+    _client: Client = PrivateAttr(default=None)
     """
     The client to use for making requests.
     """
 
-    _async_client: AsyncClient = Field(default=None)
+    _async_client: AsyncClient = PrivateAttr(default=None)
     """
     The async client to use for making requests.
     """
 
-    class Config:
-        """Configuration for this pydantic object."""
+    model_config = ConfigDict(
+        extra="forbid",
+    )
 
-        extra = "forbid"
-
-    @root_validator(pre=False, skip_on_failure=True)
-    def _set_clients(cls, values: dict) -> dict:
+    @model_validator(mode="after")
+    def _set_clients(self) -> Self:
         """Set clients to use for ollama."""
-        values["_client"] = Client(host=values["base_url"], **values["client_kwargs"])
-        values["_async_client"] = AsyncClient(
-            host=values["base_url"], **values["client_kwargs"]
-        )
-        return values
+        client_kwargs = self.client_kwargs or {}
+        self._client = Client(host=self.base_url, **client_kwargs)
+        self._async_client = AsyncClient(host=self.base_url, **client_kwargs)
+        return self
 
     def embed_documents(self, texts: List[str]) -> List[List[float]]:
         """Embed search docs."""

libs/partners/ollama/langchain_ollama/llms.py

@@ -18,8 +18,9 @@ from langchain_core.callbacks import (
 )
 from langchain_core.language_models import BaseLLM, LangSmithParams
 from langchain_core.outputs import GenerationChunk, LLMResult
-from langchain_core.pydantic_v1 import Field, root_validator
 from ollama import AsyncClient, Client, Options
+from pydantic import PrivateAttr, model_validator
+from typing_extensions import Self
 
 
 class OllamaLLM(BaseLLM):
@@ -115,12 +116,12 @@ class OllamaLLM(BaseLLM):
     For a full list of the params, see [this link](https://pydoc.dev/httpx/latest/httpx.Client.html)
     """
 
-    _client: Client = Field(default=None)
+    _client: Client = PrivateAttr(default=None)
     """
     The client to use for making requests.
     """
 
-    _async_client: AsyncClient = Field(default=None)
+    _async_client: AsyncClient = PrivateAttr(default=None)
     """
     The async client to use for making requests.
     """
@@ -164,14 +165,13 @@ class OllamaLLM(BaseLLM):
             params["ls_max_tokens"] = max_tokens
         return params
 
-    @root_validator(pre=False, skip_on_failure=True)
-    def _set_clients(cls, values: dict) -> dict:
+    @model_validator(mode="after")
+    def _set_clients(self) -> Self:
         """Set clients to use for ollama."""
-        values["_client"] = Client(host=values["base_url"], **values["client_kwargs"])
-        values["_async_client"] = AsyncClient(
-            host=values["base_url"], **values["client_kwargs"]
-        )
-        return values
+        client_kwargs = self.client_kwargs or {}
+        self._client = Client(host=self.base_url, **client_kwargs)
+        self._async_client = AsyncClient(host=self.base_url, **client_kwargs)
+        return self
 
     async def _acreate_generate_stream(
         self,

libs/partners/ollama/poetry.lock

@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.8.2 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.3 and should not be changed by hand.
 
 [[package]]
 name = "annotated-types"
@@ -11,9 +11,6 @@ files = [
     {file = "annotated_types-0.7.0.tar.gz", hash = "sha256:aff07c09a53a08bc8cfccb9c85b05f1aa9a2a6f23728d790723543408344ce89"},
 ]
 
-[package.dependencies]
-typing-extensions = {version = ">=4.0.0", markers = "python_version < \"3.9\""}
-
 [[package]]
 name = "anyio"
 version = "4.4.0"
@@ -294,10 +291,10 @@ files = [
 
 [[package]]
 name = "langchain-core"
-version = "0.2.37"
+version = "0.2.38"
 description = "Building applications with LLMs through composability"
 optional = false
-python-versions = ">=3.8.1,<4.0"
+python-versions = ">=3.9,<4.0"
 files = []
 develop = true
 
@@ -886,5 +883,5 @@ zstd = ["zstandard (>=0.18.0)"]
 
 [metadata]
 lock-version = "2.0"
-python-versions = ">=3.8.1,<4.0"
-content-hash = "0de4df1fb448399e93be5924717c1cb7ec3a0c8255951878020844c28bfb7b5e"
+python-versions = ">=3.9,<4.0"
+content-hash = "27bee0c6422c0b758e3742b1fef5a3d6d577d3d8c6be98cb8158c92f18afdc7b"

libs/partners/ollama/pyproject.toml

@@ -19,9 +19,10 @@ disallow_untyped_defs = "True"
 "Release Notes" = "https://github.com/langchain-ai/langchain/releases?q=tag%3A%22langchain-ollama%3D%3D0%22&expanded=true"
 
 [tool.poetry.dependencies]
-python = ">=3.8.1,<4.0"
+python = ">=3.9,<4.0"
 ollama = ">=0.3.0,<1"
 langchain-core = "^0.2.36"
+pydantic = ">=2,<3"
 
 [tool.ruff.lint]
 select = [ "E", "F", "I", "T201",]