[music] support new params and surfacing song id (#731)

* [music] support new params and surfacing song id

* Fix param name for consistency

Author: vijaypemmaraju

src/elevenlabs/music_custom.py

@@ -30,6 +30,7 @@ class MultipartResponse:
     json: typing.Dict[str, typing.Any]  # Contains compositionPlan and songMetadata
     audio: bytes
     filename: str
+    song_id: typing.Optional[str] = None
 
 
 class MusicClient(AutogeneratedMusicClient):
@@ -46,6 +47,8 @@ def compose_detailed(  # type: ignore[override]
         composition_plan: typing.Optional[MusicPrompt] = OMIT,
         music_length_ms: typing.Optional[int] = OMIT,
         model_id: typing.Optional[typing.Literal["music_v1"]] = OMIT,
+        force_instrumental: typing.Optional[bool] = OMIT,
+        store_for_inpainting: typing.Optional[bool] = OMIT,
         with_timestamps: typing.Optional[bool] = OMIT,
         sign_with_c2pa: typing.Optional[bool] = OMIT,
         request_options: typing.Optional[RequestOptions] = None,
@@ -55,23 +58,25 @@ def compose_detailed(  # type: ignore[override]
         Compose a song from a prompt or a composition plan with detailed response parsing.
         This method calls the original compose_detailed and then parses the stream response.
 
-        Returns a MultipartResponse containing parsed JSON metadata, audio bytes, and filename.
+        Returns a MultipartResponse containing parsed JSON metadata, audio bytes, filename,
+        and song_id (if store_for_inpainting was True).
         """
-        # Call the parent method to get the stream
-        stream = super().compose_detailed(
+        # Use the raw client directly to access response headers (for song_id)
+        with self._raw_client.compose_detailed(
             output_format=output_format,
             prompt=prompt,
             composition_plan=composition_plan,
             music_length_ms=music_length_ms,
             model_id=model_id,
+            force_instrumental=force_instrumental,
+            store_for_inpainting=store_for_inpainting,
             with_timestamps=with_timestamps,
             sign_with_c_2_pa=sign_with_c2pa,
             request_options=request_options,
-            **kwargs,
-        )
-
-        # Parse the stream using the parsing method
-        return self._parse_multipart(stream)
+        ) as r:
+            result = self._parse_multipart(r.data)
+            result.song_id = r.headers.get("song-id")
+            return result
 
     def _parse_multipart(self, stream: typing.Iterator[bytes]) -> MultipartResponse:
         """
@@ -178,6 +183,8 @@ async def compose_detailed(  # type: ignore[override]
         composition_plan: typing.Optional[MusicPrompt] = OMIT,
         music_length_ms: typing.Optional[int] = OMIT,
         model_id: typing.Optional[typing.Literal["music_v1"]] = OMIT,
+        force_instrumental: typing.Optional[bool] = OMIT,
+        store_for_inpainting: typing.Optional[bool] = OMIT,
         with_timestamps: typing.Optional[bool] = OMIT,
         sign_with_c2pa: typing.Optional[bool] = OMIT,
         request_options: typing.Optional[RequestOptions] = None,
@@ -187,23 +194,25 @@ async def compose_detailed(  # type: ignore[override]
         Compose a song from a prompt or a composition plan with detailed response parsing.
         This method calls the original compose_detailed and then parses the stream response.
 
-        Returns a MultipartResponse containing parsed JSON metadata, audio bytes, and filename.
+        Returns a MultipartResponse containing parsed JSON metadata, audio bytes, filename,
+        and song_id (if store_for_inpainting was True).
         """
-        # Call the parent method to get the stream
-        stream = super().compose_detailed(
+        # Use the raw client directly to access response headers (for song_id)
+        async with self._raw_client.compose_detailed(
             output_format=output_format,
             prompt=prompt,
             composition_plan=composition_plan,
             music_length_ms=music_length_ms,
             model_id=model_id,
+            force_instrumental=force_instrumental,
+            store_for_inpainting=store_for_inpainting,
             with_timestamps=with_timestamps,
             sign_with_c_2_pa=sign_with_c2pa,
             request_options=request_options,
-            **kwargs,
-        )
-
-        # Parse the stream using the parsing method
-        return await self._parse_multipart_async(stream)
+        ) as r:
+            result = await self._parse_multipart_async(r.data)
+            result.song_id = r.headers.get("song-id")
+            return result
 
     async def _parse_multipart_async(self, stream: typing.AsyncIterator[bytes]) -> MultipartResponse:
         """