chore: support binary responses (#76)

Author: stainless-app[bot]

lib/openai/resources/audio/speech.rb

@@ -29,15 +29,15 @@ class Speech
         #
         #   @option params [OpenAI::RequestOptions, Hash{Symbol=>Object}, nil] :request_options
         #
-        # @return [Object]
+        # @return [StringIO]
         def create(params)
           parsed, options = OpenAI::Models::Audio::SpeechCreateParams.dump_request(params)
           @client.request(
             method: :post,
             path: "audio/speech",
             headers: {"accept" => "application/octet-stream"},
             body: parsed,
-            model: OpenAI::Unknown,
+            model: StringIO,
             options: options
           )
         end

lib/openai/resources/files.rb

@@ -125,13 +125,13 @@ def delete(file_id, params = {})
       #
       #   @option params [OpenAI::RequestOptions, Hash{Symbol=>Object}, nil] :request_options
       #
-      # @return [Object]
+      # @return [StringIO]
       def content(file_id, params = {})
         @client.request(
           method: :get,
           path: ["files/%0s/content", file_id],
           headers: {"accept" => "application/binary"},
-          model: OpenAI::Unknown,
+          model: StringIO,
           options: params[:request_options]
         )
       end

rbi/lib/openai/resources/audio/speech.rbi

@@ -15,7 +15,7 @@ module OpenAI
             speed: Float,
             request_options: T.nilable(T.any(OpenAI::RequestOptions, OpenAI::Util::AnyHash))
           )
-            .returns(T.anything)
+            .returns(StringIO)
         end
         def create(
           # The text to generate audio for. The maximum length is 4096 characters.

rbi/lib/openai/resources/files.rbi

@@ -124,7 +124,7 @@ module OpenAI
             )
           )
         )
-          .returns(T.anything)
+          .returns(StringIO)
       end
       def content(
         # The ID of the file to use for this request.

sig/openai/resources/audio/speech.rbs

@@ -10,7 +10,7 @@ module OpenAI
           ?response_format: OpenAI::Models::Audio::SpeechCreateParams::response_format,
           ?speed: Float,
           ?request_options: OpenAI::request_opts
-        ) -> top
+        ) -> StringIO
 
         def initialize: (client: OpenAI::Client) -> void
       end

sig/openai/resources/files.rbs

@@ -28,7 +28,7 @@ module OpenAI
       def content: (
         String file_id,
         ?request_options: OpenAI::request_opts
-      ) -> top
+      ) -> StringIO
 
       def initialize: (client: OpenAI::Client) -> void
     end

test/openai/resources/audio/speech_test.rb

@@ -7,7 +7,7 @@ def test_create_required_params
     response = @openai.audio.speech.create(input: "input", model: :"tts-1", voice: :alloy)
 
     assert_pattern do
-      response => OpenAI::Unknown
+      response => StringIO
     end
   end
 end

test/openai/resources/files_test.rb

@@ -98,7 +98,7 @@ def test_content
     response = @openai.files.content("file_id")
 
     assert_pattern do
-      response => OpenAI::Unknown
+      response => StringIO
     end
   end
 end