fix(perf): optimize some hot paths

Author: stainless-app[bot]

Diff for: src/openai/_utils/_transform.py

@@ -5,14 +5,15 @@
 import pathlib
 from typing import Any, Mapping, TypeVar, cast
 from datetime import date, datetime
-from typing_extensions import Literal, get_args, override, get_type_hints
+from typing_extensions import Literal, get_args, override, get_type_hints as _get_type_hints
 
 import anyio
 import pydantic
 
 from ._utils import (
     is_list,
     is_given,
+    lru_cache,
     is_mapping,
     is_iterable,
 )
@@ -109,6 +110,7 @@ class Params(TypedDict, total=False):
     return cast(_T, transformed)
 
 
+@lru_cache(maxsize=8096)
 def _get_annotated_type(type_: type) -> type | None:
     """If the given type is an `Annotated` type then it is returned, if not `None` is returned.
 
@@ -433,3 +435,13 @@ async def _async_transform_typeddict(
         else:
             result[_maybe_transform_key(key, type_)] = await _async_transform_recursive(value, annotation=type_)
     return result
+
+
+@lru_cache(maxsize=8096)
+def get_type_hints(
+    obj: Any,
+    globalns: dict[str, Any] | None = None,
+    localns: Mapping[str, Any] | None = None,
+    include_extras: bool = False,
+) -> dict[str, Any]:
+    return _get_type_hints(obj, globalns=globalns, localns=localns, include_extras=include_extras)

Diff for: src/openai/_utils/_typing.py

@@ -13,6 +13,7 @@
     get_origin,
 )
 
+from ._utils import lru_cache
 from .._types import InheritsGeneric
 from .._compat import is_union as _is_union
 
@@ -66,6 +67,7 @@ def is_type_alias_type(tp: Any, /) -> TypeIs[typing_extensions.TypeAliasType]:
 
 
 # Extracts T from Annotated[T, ...] or from Required[Annotated[T, ...]]
+@lru_cache(maxsize=8096)
 def strip_annotated_type(typ: type) -> type:
     if is_required_type(typ) or is_annotated_type(typ):
         return strip_annotated_type(cast(type, get_args(typ)[0]))

Diff for: src/openai/resources/audio/transcriptions.py

@@ -321,7 +321,12 @@ def create(
         extra_headers = {"Content-Type": "multipart/form-data", **(extra_headers or {})}
         return self._post(  # type: ignore[return-value]
             "/audio/transcriptions",
-            body=maybe_transform(body, transcription_create_params.TranscriptionCreateParams),
+            body=maybe_transform(
+                body,
+                transcription_create_params.TranscriptionCreateParamsStreaming
+                if stream
+                else transcription_create_params.TranscriptionCreateParamsNonStreaming,
+            ),
             files=files,
             options=make_request_options(
                 extra_headers=extra_headers, extra_query=extra_query, extra_body=extra_body, timeout=timeout
@@ -616,7 +621,12 @@ async def create(
         extra_headers = {"Content-Type": "multipart/form-data", **(extra_headers or {})}
         return await self._post(
             "/audio/transcriptions",
-            body=await async_maybe_transform(body, transcription_create_params.TranscriptionCreateParams),
+            body=await async_maybe_transform(
+                body,
+                transcription_create_params.TranscriptionCreateParamsStreaming
+                if stream
+                else transcription_create_params.TranscriptionCreateParamsNonStreaming,
+            ),
             files=files,
             options=make_request_options(
                 extra_headers=extra_headers, extra_query=extra_query, extra_body=extra_body, timeout=timeout

Diff for: src/openai/resources/beta/threads/runs/runs.py

@@ -587,7 +587,7 @@ def create(
                     "top_p": top_p,
                     "truncation_strategy": truncation_strategy,
                 },
-                run_create_params.RunCreateParams,
+                run_create_params.RunCreateParamsStreaming if stream else run_create_params.RunCreateParamsNonStreaming,
             ),
             options=make_request_options(
                 extra_headers=extra_headers,
@@ -1324,7 +1324,9 @@ def submit_tool_outputs(
                     "tool_outputs": tool_outputs,
                     "stream": stream,
                 },
-                run_submit_tool_outputs_params.RunSubmitToolOutputsParams,
+                run_submit_tool_outputs_params.RunSubmitToolOutputsParamsStreaming
+                if stream
+                else run_submit_tool_outputs_params.RunSubmitToolOutputsParamsNonStreaming,
             ),
             options=make_request_options(
                 extra_headers=extra_headers, extra_query=extra_query, extra_body=extra_body, timeout=timeout
@@ -1996,7 +1998,7 @@ async def create(
                     "top_p": top_p,
                     "truncation_strategy": truncation_strategy,
                 },
-                run_create_params.RunCreateParams,
+                run_create_params.RunCreateParamsStreaming if stream else run_create_params.RunCreateParamsNonStreaming,
             ),
             options=make_request_options(
                 extra_headers=extra_headers,
@@ -2732,7 +2734,9 @@ async def submit_tool_outputs(
                     "tool_outputs": tool_outputs,
                     "stream": stream,
                 },
-                run_submit_tool_outputs_params.RunSubmitToolOutputsParams,
+                run_submit_tool_outputs_params.RunSubmitToolOutputsParamsStreaming
+                if stream
+                else run_submit_tool_outputs_params.RunSubmitToolOutputsParamsNonStreaming,
             ),
             options=make_request_options(
                 extra_headers=extra_headers, extra_query=extra_query, extra_body=extra_body, timeout=timeout

Diff for: src/openai/resources/beta/threads/threads.py

@@ -717,7 +717,9 @@ def create_and_run(
                     "top_p": top_p,
                     "truncation_strategy": truncation_strategy,
                 },
-                thread_create_and_run_params.ThreadCreateAndRunParams,
+                thread_create_and_run_params.ThreadCreateAndRunParamsStreaming
+                if stream
+                else thread_create_and_run_params.ThreadCreateAndRunParamsNonStreaming,
             ),
             options=make_request_options(
                 extra_headers=extra_headers, extra_query=extra_query, extra_body=extra_body, timeout=timeout
@@ -1564,7 +1566,9 @@ async def create_and_run(
                     "top_p": top_p,
                     "truncation_strategy": truncation_strategy,
                 },
-                thread_create_and_run_params.ThreadCreateAndRunParams,
+                thread_create_and_run_params.ThreadCreateAndRunParamsStreaming
+                if stream
+                else thread_create_and_run_params.ThreadCreateAndRunParamsNonStreaming,
             ),
             options=make_request_options(
                 extra_headers=extra_headers, extra_query=extra_query, extra_body=extra_body, timeout=timeout

Diff for: src/openai/resources/chat/completions/completions.py

@@ -947,7 +947,9 @@ def create(
                     "user": user,
                     "web_search_options": web_search_options,
                 },
-                completion_create_params.CompletionCreateParams,
+                completion_create_params.CompletionCreateParamsStreaming
+                if stream
+                else completion_create_params.CompletionCreateParamsNonStreaming,
             ),
             options=make_request_options(
                 extra_headers=extra_headers, extra_query=extra_query, extra_body=extra_body, timeout=timeout
@@ -2033,7 +2035,9 @@ async def create(
                     "user": user,
                     "web_search_options": web_search_options,
                 },
-                completion_create_params.CompletionCreateParams,
+                completion_create_params.CompletionCreateParamsStreaming
+                if stream
+                else completion_create_params.CompletionCreateParamsNonStreaming,
             ),
             options=make_request_options(
                 extra_headers=extra_headers, extra_query=extra_query, extra_body=extra_body, timeout=timeout

Diff for: src/openai/resources/completions.py

@@ -559,7 +559,9 @@ def create(
                     "top_p": top_p,
                     "user": user,
                 },
-                completion_create_params.CompletionCreateParams,
+                completion_create_params.CompletionCreateParamsStreaming
+                if stream
+                else completion_create_params.CompletionCreateParamsNonStreaming,
             ),
             options=make_request_options(
                 extra_headers=extra_headers, extra_query=extra_query, extra_body=extra_body, timeout=timeout
@@ -1101,7 +1103,9 @@ async def create(
                     "top_p": top_p,
                     "user": user,
                 },
-                completion_create_params.CompletionCreateParams,
+                completion_create_params.CompletionCreateParamsStreaming
+                if stream
+                else completion_create_params.CompletionCreateParamsNonStreaming,
             ),
             options=make_request_options(
                 extra_headers=extra_headers, extra_query=extra_query, extra_body=extra_body, timeout=timeout

Diff for: src/openai/resources/responses/responses.py

@@ -623,7 +623,9 @@ def create(
                     "truncation": truncation,
                     "user": user,
                 },
-                response_create_params.ResponseCreateParams,
+                response_create_params.ResponseCreateParamsStreaming
+                if stream
+                else response_create_params.ResponseCreateParamsNonStreaming,
             ),
             options=make_request_options(
                 extra_headers=extra_headers, extra_query=extra_query, extra_body=extra_body, timeout=timeout
@@ -1435,7 +1437,9 @@ async def create(
                     "truncation": truncation,
                     "user": user,
                 },
-                response_create_params.ResponseCreateParams,
+                response_create_params.ResponseCreateParamsStreaming
+                if stream
+                else response_create_params.ResponseCreateParamsNonStreaming,
             ),
             options=make_request_options(
                 extra_headers=extra_headers, extra_query=extra_query, extra_body=extra_body, timeout=timeout