Update utils.py

utils.py

@@ -14,11 +14,15 @@ def tts(text: str, language="ja") -> object:
         html: autoplay object
     """
     tts_object = gTTS(text=text, lang=language, slow=False)
-    bytes_object = BytesIO()
-    tts_object.write_to_fp(bytes_object)
-    bytes_object.seek(0)
-    b64 = base64.b64encode(bytes_object.getvalue()).decode()
-    return b64
+    if encode:
+        bytes_object = BytesIO()
+        tts_object.write_to_fp(bytes_object)
+        bytes_object.seek(0)
+        b64 = base64.b64encode(bytes_object.getvalue()).decode()
+        return b64
+    else:
+        tts_object.save("temp.mp3")
+        return "temp.mp3"
 
 
 def read_image_file(file) -> Image.Image:
@@ -26,11 +30,16 @@ def read_image_file(file) -> Image.Image:
     return image
 
 
-def pil_to_base64(img, format="jpeg"):
-    buffer = BytesIO()
-    img.save(buffer, format)
-    img_str = base64.b64encode(buffer.getvalue()).decode("ascii")
-    return img_str
+def pil_to_base64(img, format="jpeg", encode=False):
+    if encode:
+        buffer = BytesIO()
+        img.save(buffer, format)
+        buffer.seek(0)
+        return buffer
+    else:
+        temp_path = f"temp.{format}"
+        img.save(temp_path)
+        return temp_path
 
 
 def base64_to_pil(img_str):