cleanup!: Remove legacy unstructured response_format field.

PiperOrigin-RevId: 1013374852

Author: MarkDaoust

google/genai/_gaos/types/interactions/__init__.py

@@ -318,7 +318,11 @@
     from .ragstoreconfig import RagStoreConfig, RagStoreConfigParam
     from .ranking import Ranking, RankingParam
     from .rankservice import RankService, RankServiceParam
-    from .responseformat import ResponseFormat, ResponseFormatParam
+    from .responseformat import (
+        ResponseFormat,
+        ResponseFormatParam,
+        UnknownResponseFormat,
+    )
     from .responsemodality import ResponseModality
     from .retrieval import Retrieval, RetrievalParam, RetrievalRetrievalType
     from .retrievalcallarguments import (
@@ -822,6 +826,7 @@
     "UnknownFunctionResultSubcontent",
     "UnknownInteractionAgentConfig",
     "UnknownInteractionSSEEvent",
+    "UnknownResponseFormat",
     "UnknownStep",
     "UnknownStepDeltaData",
     "UnknownThoughtSummaryContent",
@@ -1127,6 +1132,7 @@
     "RankServiceParam": ".rankservice",
     "ResponseFormat": ".responseformat",
     "ResponseFormatParam": ".responseformat",
+    "UnknownResponseFormat": ".responseformat",
     "ResponseModality": ".responsemodality",
     "Retrieval": ".retrieval",
     "RetrievalParam": ".retrieval",

google/genai/_gaos/types/interactions/responseformat.py

@@ -18,12 +18,17 @@
 """Code generated by Speakeasy (https://speakeasy.com). DO NOT EDIT."""
 
 from __future__ import annotations
+from .. import BaseModel
+from ...utils.unions import parse_open_union
 from .audioresponseformat import AudioResponseFormat, AudioResponseFormatParam
 from .imageresponseformat import ImageResponseFormat, ImageResponseFormatParam
 from .textresponseformat import TextResponseFormat, TextResponseFormatParam
 from .videoresponseformat import VideoResponseFormat, VideoResponseFormatParam
-from typing import Any, Dict, Union
-from typing_extensions import TypeAliasType
+from functools import partial
+from pydantic import ConfigDict
+from pydantic.functional_validators import BeforeValidator
+from typing import Any, Literal, Union
+from typing_extensions import Annotated, TypeAliasType
 
 
 ResponseFormatParam = TypeAliasType(
@@ -33,18 +38,44 @@
         AudioResponseFormatParam,
         ImageResponseFormatParam,
         VideoResponseFormatParam,
-        Dict[str, Any],
     ],
 )
 
 
-ResponseFormat = TypeAliasType(
-    "ResponseFormat",
+class UnknownResponseFormat(BaseModel):
+    r"""A ResponseFormat variant the SDK doesn't recognize. Preserves the raw payload."""
+
+    type: Literal["UNKNOWN"] = "UNKNOWN"
+    raw: Any
+    is_unknown: Literal[True] = True
+
+    model_config = ConfigDict(frozen=True)
+
+
+_RESPONSE_FORMAT_VARIANTS: dict[str, Any] = {
+    "audio": AudioResponseFormat,
+    "image": ImageResponseFormat,
+    "text": TextResponseFormat,
+    "video": VideoResponseFormat,
+}
+
+
+ResponseFormat = Annotated[
     Union[
-        TextResponseFormat,
         AudioResponseFormat,
         ImageResponseFormat,
+        TextResponseFormat,
         VideoResponseFormat,
-        Dict[str, Any],
+        UnknownResponseFormat,
     ],
-)
+    BeforeValidator(
+        partial(
+            parse_open_union,
+            disc_key="type",
+            variants=_RESPONSE_FORMAT_VARIANTS,
+            unknown_cls=UnknownResponseFormat,
+            union_name="ResponseFormat",
+            lenient=True,
+        )
+    ),
+]