chore: Update headers

PiperOrigin-RevId: 913858354

Author: sararob

setup.py

@@ -326,8 +326,7 @@
         "google-cloud-storage >= 3.10.0, < 4.0.0; python_version>='3.13'",
         "google-cloud-bigquery >= 1.15.0, < 4.0.0, !=3.20.0",
         "google-cloud-resource-manager >= 1.3.3, < 3.0.0",
-        "google-genai >= 1.37.0, <2.0.0; python_version<'3.10'",
-        "google-genai >= 1.66.0, <2.0.0; python_version>='3.10'",
+        "google-genai >= 1.75.0, < 2.0.0",
     )
     + genai_requires,
     extras_require={

testing/constraints-3.10.txt

@@ -2,7 +2,7 @@
 # This constraints file is required for unit tests.
 # List all library dependencies and extras in this file.
 google-api-core==2.21.0 # Tests google-api-core with rest async support
-google-auth==2.47.0 # Tests google-auth with rest async support
+google-auth==2.49.0
 proto-plus==1.22.3
 protobuf
 mock==4.0.2

testing/constraints-3.11.txt

@@ -2,7 +2,7 @@
 # This constraints file is required for unit tests.
 # List all library dependencies and extras in this file.
 google-api-core==2.21.0 # Tests google-api-core with rest async support
-google-auth==2.47.0 # Tests google-auth with rest async support
+google-auth==2.49.0
 proto-plus
 protobuf
 mock==4.0.2

testing/constraints-3.12.txt

@@ -2,7 +2,7 @@
 # This constraints file is required for unit tests.
 # List all library dependencies and extras in this file.
 google-api-core==2.21.0 # Tests google-api-core with rest async support
-google-auth==2.47.0 # Tests google-auth with rest async support
+google-auth==2.49.0
 proto-plus
 mock==4.0.2
 google-cloud-storage==3.0.0 # Updated to v3.x, backward compatible with v2.x via wrapper

testing/constraints-3.13.txt

@@ -2,7 +2,7 @@
 # This constraints file is required for unit tests.
 # List all library dependencies and extras in this file.
 google-api-core==2.27.0 # Tests google-api-core with rest async support
-google-auth==2.47.0 # Tests google-auth with rest async support
+google-auth==2.49.0
 proto-plus
 mock==4.0.2
 google-cloud-storage==3.10.0 # Updated to v3.x, backward compatible with v2.x via wrapper

testing/constraints-3.14.txt

@@ -2,7 +2,7 @@
 # This constraints file is required for unit tests.
 # List all library dependencies and extras in this file.
 google-api-core==2.27.0
-google-auth==2.47.0 # Tests google-auth with rest async support
+google-auth==2.49.0
 proto-plus
 mock==4.0.2
 google-cloud-storage==3.10.0 # Updated for Python 3.14 compatibility

tests/unit/vertexai/genai/replays/conftest.py

@@ -23,10 +23,6 @@
     client as vertexai_genai_client_module,
 )
 from vertexai._genai import _agent_engines_utils
-from vertexai._genai.client import (
-    _GENAI_MODULES_TELEMETRY_HEADER,
-)
-from google.cloud.aiplatform import version as aip_version
 from google.cloud import storage, bigquery
 from google.genai import _replay_api_client
 from google.genai import types as genai_types
@@ -265,10 +261,6 @@ def client(use_vertex, replays_prefix, http_options, request):
     if http_options.headers is None:
         http_options.headers = {}
 
-    tracking_label = f"{_GENAI_MODULES_TELEMETRY_HEADER}/{aip_version.__version__}"
-    http_options.headers["user-agent"] = tracking_label
-    http_options.headers["x-goog-api-client"] = tracking_label
-
     replay_client = _replay_api_client.ReplayApiClient(
         mode=mode,
         replay_id=replay_id,

vertexai/_genai/client.py

@@ -15,6 +15,7 @@
 
 import asyncio
 import importlib
+import sys
 from typing import Optional, Union, TYPE_CHECKING
 from types import TracebackType, ModuleType
 
@@ -23,6 +24,8 @@
 from google.genai import _common
 from google.genai import client as genai_client
 from google.genai import types
+from google.genai import version as genai_version
+from google.genai import _api_client as genai_api_client
 from . import live
 
 if TYPE_CHECKING:
@@ -42,6 +45,32 @@
 _GENAI_MODULES_TELEMETRY_HEADER = "vertex-genai-modules"
 
 
+def _custom_append_library_version_headers(headers: dict[str, str]) -> None:
+    """Overridde GenAI SDK header injection to use custom vertex-genai-modules header."""
+    genai_sdk_version = genai_version.__version__
+    module_version = aip_version.__version__
+    python_version = sys.version.split()[0]
+
+    combined_label = f"google-genai-sdk/{genai_sdk_version}+{_GENAI_MODULES_TELEMETRY_HEADER}/{module_version}"
+    full_header = f"{combined_label} gl-python/{python_version}"
+
+    if "user-agent" not in headers or combined_label not in headers["user-agent"]:
+        headers["user-agent"] = f"{full_header} " + headers.get("user-agent", "")
+        headers["user-agent"] = headers["user-agent"].strip()
+
+    if (
+        "x-goog-api-client" not in headers
+        or combined_label not in headers["x-goog-api-client"]
+    ):
+        headers["x-goog-api-client"] = f"{full_header} " + headers.get(
+            "x-goog-api-client", ""
+        )
+        headers["x-goog-api-client"] = headers["x-goog-api-client"].strip()
+
+
+genai_api_client.append_library_version_headers = _custom_append_library_version_headers
+
+
 class AsyncClient:
     """Async Gen AI Client for the Vertex SDK."""
 
@@ -223,22 +252,6 @@ def __init__(
         if location in ["us", "eu"] and not http_options.base_url:
             http_options.base_url = f"https://aiplatform.{location}.rep.googleapis.com/"
 
-        tracking_label = f"{_GENAI_MODULES_TELEMETRY_HEADER}/{aip_version.__version__}"
-
-        if "user-agent" in http_options.headers:
-            http_options.headers["user-agent"] = (
-                f"{http_options.headers['user-agent']} {tracking_label}"
-            )
-        else:
-            http_options.headers["user-agent"] = tracking_label
-
-        if "x-goog-api-client" in http_options.headers:
-            http_options.headers["x-goog-api-client"] = (
-                f"{http_options.headers['x-goog-api-client']} {tracking_label}"
-            )
-        else:
-            http_options.headers["x-goog-api-client"] = tracking_label
-
         self._api_client = genai_client.Client._get_api_client(
             vertexai=True,
             api_key=api_key,