refactor: Replace pydub with soundfile for future Python 3.13 support A…

…ider-AI#1984

aider/voice.py

@@ -17,8 +17,6 @@
 warnings.filterwarnings("ignore", category=SyntaxWarning)
 
 
-from pydub import AudioSegment  # noqa
-
 try:
     import soundfile as sf
 except (OSError, ModuleNotFoundError):
@@ -38,7 +36,7 @@ class Voice:
 
     def __init__(self, audio_format="wav", device_name=None):
         if sf is None:
-            raise SoundDeviceError
+            raise SoundDeviceError("Soundfile library not found. Please install it using 'pip install soundfile'.")
         try:
             print("Initializing sound device...")
             import sounddevice as sd
@@ -68,7 +66,7 @@ def __init__(self, audio_format="wav", device_name=None):
                 self.device_id = None
 
         except (OSError, ModuleNotFoundError):
-            raise SoundDeviceError
+            raise SoundDeviceError("Sounddevice library not found. Please install it using 'pip install sounddevice'.")
         if audio_format not in ["wav", "mp3", "webm"]:
             raise ValueError(f"Unsupported audio format: {audio_format}")
         self.audio_format = audio_format
@@ -142,8 +140,12 @@ def raw_record_and_transcribe(self, history, language):
 
         if self.audio_format != "wav":
             filename = tempfile.mktemp(suffix=f".{self.audio_format}")
-            audio = AudioSegment.from_wav(temp_wav)
-            audio.export(filename, format=self.audio_format)
+            try:
+                data, samplerate = sf.read(temp_wav)
+                sf.write(filename, data, samplerate, format=self.audio_format)
+            except Exception as e:
+                print(f"Error converting audio format: {e}")
+                return None
             os.remove(temp_wav)
         else:
             filename = temp_wav
@@ -155,7 +157,7 @@ def raw_record_and_transcribe(self, history, language):
                 )
             except Exception as err:
                 print(f"Unable to transcribe {filename}: {err}")
-                return
+                return None
 
         if self.audio_format != "wav":
             os.remove(filename)
@@ -169,3 +171,4 @@ def raw_record_and_transcribe(self, history, language):
     if not api_key:
         raise ValueError("Please set the OPENAI_API_KEY environment variable.")
     print(Voice().record_and_transcribe())
+