Update app.py

app.py

@@ -1,9 +1,27 @@
+import os
+import json
+import tempfile
+
 import gradio as gr
 
 from google.cloud import speech
 from microphone import MicrophoneStream
 from utils import listen_print_loop
 
+# process of getting credentials
+def get_credentials():
+    creds_json_str = os.getenv("GOOGLE")
+    if creds_json_str is None:
+        raise ValueError("GOOGLE_APPLICATION_CREDENTIALS_JSON not found in environment")
+
+    # create a temporary file
+    with tempfile.NamedTemporaryFile(mode="w+", delete=False, suffix=".json") as temp:
+        temp.write(creds_json_str) # write in json format
+        temp_filename = temp.name 
+
+    return temp_filename
+    
+os.environ["GOOGLE_APPLICATION_CREDENTIALS"] = get_credentials()
 
 # Audio recording parameters
 RATE = 16000