groq: user agent (#29079)

libs/partners/groq/Makefile

@@ -7,7 +7,11 @@ all: help
 TEST_FILE ?= tests/unit_tests/
 
 integration_test integration_tests: TEST_FILE=tests/integration_tests/
-test tests integration_test integration_tests:
+
+test tests:
+	poetry run pytest --disable-socket --allow-unix-socket $(TEST_FILE)
+
+integration_test integration_tests:
 	poetry run pytest $(TEST_FILE)
 
 test_watch:

libs/partners/groq/langchain_groq/__init__.py

@@ -1,3 +1,4 @@
 from langchain_groq.chat_models import ChatGroq
+from langchain_groq.version import __version__
 
-__all__ = ["ChatGroq"]
+__all__ = ["ChatGroq", "__version__"]

libs/partners/groq/langchain_groq/chat_models.py

@@ -86,6 +86,8 @@ from pydantic import (
 )
 from typing_extensions import Self
 
+from langchain_groq.version import __version__
+
 
 class ChatGroq(BaseChatModel):
     """`Groq` Chat large language models API.
@@ -386,6 +388,10 @@ class ChatGroq(BaseChatModel):
         if self.temperature == 0:
             self.temperature = 1e-8
 
+        default_headers = {"User-Agent": f"langchain/{__version__}"} | dict(
+            self.default_headers or {}
+        )
+
         client_params: Dict[str, Any] = {
             "api_key": (
                 self.groq_api_key.get_secret_value() if self.groq_api_key else None
@@ -393,7 +399,7 @@ class ChatGroq(BaseChatModel):
             "base_url": self.groq_api_base,
             "timeout": self.request_timeout,
             "max_retries": self.max_retries,
-            "default_headers": self.default_headers,
+            "default_headers": default_headers,
             "default_query": self.default_query,
         }
 

libs/partners/groq/langchain_groq/version.py

@@ -0,0 +1,9 @@
+"""Main entrypoint into package."""
+
+from importlib import metadata
+
+try:
+    __version__ = metadata.version(__package__)
+except metadata.PackageNotFoundError:
+    # Case where package metadata is not available.
+    __version__ = ""

libs/partners/groq/tests/unit_tests/test_imports.py

@@ -1,6 +1,6 @@
 from langchain_groq import __all__
 
-EXPECTED_ALL = ["ChatGroq"]
+EXPECTED_ALL = ["ChatGroq", "__version__"]
 
 
 def test_all_imports() -> None: