added conversations

app.py

@@ -1,23 +1,36 @@
 import gradio as gr
 import spaces
 import os, torch, io
+import json
 os.system('python -m unidic download')
 # print("Make sure you've downloaded unidic (python -m unidic download) for this WebUI to work.")
 from melo.api import TTS
 import tempfile
 
 @spaces.GPU
-def synthesize(text, speed, progress=gr.Progress()):
+def synthesize(conversation_text, speed, progress=gr.Progress()):
     speed = 1.0
     device = 'cuda' if torch.cuda.is_available() else 'cpu'
     models = {
-    'EN': TTS(language='EN', device=device),
+        'EN': TTS(language='EN', device=device),
     }
-    speakers=['EN-US','EN-Default']
-    bio = io.BytesIO()
-    models['EN'].tts_to_file(text, models['EN'].hps.data.spk2id[speakers[1]], bio, speed=speed, pbar=progress.tqdm, format='wav')
-    return bio.getvalue()
+    speakers = ['EN-US', 'EN-Default']
+    final_bio = io.BytesIO()
 
+    conversation = json.loads(conversation_text)
+    for i, turn in enumerate(conversation["conversation"]):
+        bio = io.BytesIO()  
+        text = turn["text"]  
+        speaker = speakers[i % 2] 
+        speaker_id = models['EN'].hps.data.spk2id[speaker]
+
+    
+        models['EN'].tts_to_file(text, speaker_id, bio, speed=speed, pbar=progress.tqdm, format='wav')
+        bio.seek(0)  
+        final_bio.write(bio.read())
+
+    final_bio.seek(0)
+    return final_bio.getvalue()
   
 with gr.Blocks() as demo:
     gr.Markdown('# Article to Podcast')