Merge branch 'master' into fix/hitl-edit-persistence

Author: zhangzhefang-github

.github/workflows/_release.yml

@@ -377,6 +377,7 @@ jobs:
           XAI_API_KEY: ${{ secrets.XAI_API_KEY }}
           DEEPSEEK_API_KEY: ${{ secrets.DEEPSEEK_API_KEY }}
           PPLX_API_KEY: ${{ secrets.PPLX_API_KEY }}
+          LANGCHAIN_TESTS_USER_AGENT: ${{ secrets.LANGCHAIN_TESTS_USER_AGENT }}
         run: make integration_tests
         working-directory: ${{ inputs.working-directory }}
 
@@ -395,7 +396,7 @@ jobs:
       contents: read
     strategy:
       matrix:
-        partner: [anthropic]
+        partner: [openai]
       fail-fast: false # Continue testing other partners if one fails
     env:
       ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
@@ -409,6 +410,7 @@ jobs:
       AZURE_OPENAI_LEGACY_CHAT_DEPLOYMENT_NAME: ${{ secrets.AZURE_OPENAI_LEGACY_CHAT_DEPLOYMENT_NAME }}
       AZURE_OPENAI_LLM_DEPLOYMENT_NAME: ${{ secrets.AZURE_OPENAI_LLM_DEPLOYMENT_NAME }}
       AZURE_OPENAI_EMBEDDINGS_DEPLOYMENT_NAME: ${{ secrets.AZURE_OPENAI_EMBEDDINGS_DEPLOYMENT_NAME }}
+      LANGCHAIN_TESTS_USER_AGENT: ${{ secrets.LANGCHAIN_TESTS_USER_AGENT }}
     steps:
       - uses: actions/checkout@v5
 

.github/workflows/integration_tests.yml

@@ -155,6 +155,7 @@ jobs:
           WATSONX_APIKEY: ${{ secrets.WATSONX_APIKEY }}
           WATSONX_PROJECT_ID: ${{ secrets.WATSONX_PROJECT_ID }}
           XAI_API_KEY: ${{ secrets.XAI_API_KEY }}
+          LANGCHAIN_TESTS_USER_AGENT: ${{ secrets.LANGCHAIN_TESTS_USER_AGENT }}
         run: |
           cd langchain/${{ matrix.working-directory }}
           make integration_tests

README.md

@@ -75,3 +75,4 @@ To improve your LLM application development, pair LangChain with:
 - [API Reference](https://reference.langchain.com/python): Detailed reference on navigating base packages and integrations for LangChain.
 - [Integrations](https://docs.langchain.com/oss/python/integrations/providers/overview): List of LangChain integrations, including chat & embedding models, tools & toolkits, and more
 - [Contributing Guide](https://docs.langchain.com/oss/python/contributing/overview): Learn how to contribute to LangChain and find good first issues.
+- [Code of Conduct](https://github.com/langchain-ai/langchain/blob/master/.github/CODE_OF_CONDUCT.md): Our community guidelines and standards for participation.

libs/core/langchain_core/language_models/chat_models.py

@@ -76,7 +76,7 @@
 if TYPE_CHECKING:
     import uuid
 
-    from langchain_model_profiles import ModelProfile  # type: ignore[import-not-found]
+    from langchain_model_profiles import ModelProfile  # type: ignore[import-untyped]
 
     from langchain_core.output_parsers.base import OutputParserLike
     from langchain_core.runnables import Runnable, RunnableConfig

libs/core/langchain_core/utils/input.py

@@ -26,6 +26,9 @@ def get_color_mapping(
     colors = list(_TEXT_COLOR_MAPPING.keys())
     if excluded_colors is not None:
         colors = [c for c in colors if c not in excluded_colors]
+    if not colors:
+        msg = "No colors available after applying exclusions."
+        raise ValueError(msg)
     return {item: colors[i % len(colors)] for i, item in enumerate(items)}
 
 

libs/core/langchain_core/version.py

@@ -1,3 +1,3 @@
 """langchain-core version information and utilities."""
 
-VERSION = "1.0.2"
+VERSION = "1.0.3"

libs/core/pyproject.toml

@@ -16,7 +16,7 @@ dependencies = [
     "pydantic>=2.7.4,<3.0.0",
 ]
 name = "langchain-core"
-version = "1.0.2"
+version = "1.0.3"
 description = "Building applications with LLMs through composability"
 readme = "README.md"
 
@@ -35,6 +35,7 @@ typing = [
     "mypy>=1.18.1,<1.19.0",
     "types-pyyaml>=6.0.12.2,<7.0.0.0",
     "types-requests>=2.28.11.5,<3.0.0.0",
+    "langchain-model-profiles",
     "langchain-text-splitters",
 ]
 dev = [
@@ -56,13 +57,15 @@ test = [
     "blockbuster>=1.5.18,<1.6.0",
     "numpy>=1.26.4; python_version<'3.13'",
     "numpy>=2.1.0; python_version>='3.13'",
+    "langchain-model-profiles",
     "langchain-tests",
     "pytest-benchmark",
     "pytest-codspeed",
 ]
 test_integration = []
 
 [tool.uv.sources]
+langchain-model-profiles = { path = "../model-profiles" }
 langchain-tests = { path = "../standard-tests" }
 langchain-text-splitters = { path = "../text-splitters" }
 

libs/core/tests/unit_tests/language_models/chat_models/test_base.py

@@ -1217,3 +1217,20 @@ def _llm_type(self) -> str:
 
     ls_params = llm._get_ls_params(stop=["stop"])
     assert ls_params["ls_stop"] == ["stop"]
+
+
+def test_model_profiles() -> None:
+    model = GenericFakeChatModel(messages=iter([]))
+    profile = model.profile
+    assert profile == {}
+
+    class MyModel(GenericFakeChatModel):
+        model: str = "gpt-5"
+
+        @property
+        def _llm_type(self) -> str:
+            return "openai-chat"
+
+    model = MyModel(messages=iter([]))
+    profile = model.profile
+    assert profile

libs/core/uv.lock

@@ -18,10 +18,11 @@ description = "Building applications with LLMs through composability"
 readme = "README.md"
 
 [project.optional-dependencies]
+model-profiles = ["langchain-model-profiles"]
 community = ["langchain-community"]
 anthropic = ["langchain-anthropic"]
 openai = ["langchain-openai"]
-#azure-ai = ["langchain-azure-ai"]
+azure-ai = ["langchain-azure-ai"]
 #cohere = ["langchain-cohere"]
 google-vertexai = ["langchain-google-vertexai"]
 google-genai = ["langchain-google-genai"]