feat: Onboard Vertex Model Garden to GenAI Python SDK: Add list_models and list_deployable_models support

PiperOrigin-RevId: 938116291

Author: vertex-sdk-bot

agentplatform/_genai/client.py

@@ -39,6 +39,9 @@
     )
     from agentplatform._genai import prompts as prompts_module
     from agentplatform._genai import skills as skills_module
+    from agentplatform._genai import (
+        model_garden as model_garden_module,
+    )
     from agentplatform._genai import live as live_module
     from agentplatform._genai import rag as rag_module
 
@@ -85,6 +88,7 @@ def __init__(self, api_client: genai_client.BaseApiClient):  # type: ignore[name
         self._datasets: Optional[ModuleType] = None
         self._skills: Optional[ModuleType] = None
         self._rag: Optional[ModuleType] = None
+        self._model_garden: Optional[ModuleType] = None
 
     @property
     @_common.experimental_warning(
@@ -179,6 +183,18 @@ def rag(self) -> "rag_module.AsyncRag":
             )
         return self._rag.AsyncRag(self._api_client)  # type: ignore[no-any-return]
 
+    @property
+    @_common.experimental_warning(
+        "The Model Garden module is experimental, and may change in future " "versions."
+    )
+    def model_garden(self) -> "model_garden_module.AsyncModelGarden":
+        if self._model_garden is None:
+            self._model_garden = importlib.import_module(
+                ".model_garden",
+                __package__,
+            )
+        return self._model_garden.AsyncModelGarden(self._api_client)  # type: ignore[no-any-return]
+
     async def aclose(self) -> None:
         """Closes the async client explicitly.
 
@@ -284,6 +300,7 @@ def __init__(
         self._datasets: Optional[ModuleType] = None
         self._skills: Optional[ModuleType] = None
         self._rag: Optional[ModuleType] = None
+        self._model_garden: Optional[ModuleType] = None
 
     @property
     def evals(self) -> "evals_module.Evals":
@@ -402,3 +419,15 @@ def rag(self) -> "rag_module.Rag":
                 __package__,
             )
         return self._rag.Rag(self._api_client)  # type: ignore[no-any-return]
+
+    @property
+    @_common.experimental_warning(
+        "The Model Garden module is experimental, and may change in future " "versions."
+    )
+    def model_garden(self) -> "model_garden_module.ModelGarden":
+        if self._model_garden is None:
+            self._model_garden = importlib.import_module(
+                ".model_garden",
+                __package__,
+            )
+        return self._model_garden.ModelGarden(self._api_client)  # type: ignore[no-any-return]