prompt expansion v2

modules/util.py

@@ -3,6 +3,15 @@ import random
 import os
 
 
+def join_prompts(*args, **kwargs):
+    prompts = [str(x) for x in args if str(x) != ""]
+    if len(prompts) == 0:
+        return ""
+    if len(prompts) == 1:
+        return prompts[0]
+    return ', '.join(prompts)
+
+
 def generate_temp_filename(folder='./outputs/', extension='png'):
     current_time = datetime.datetime.now()
     date_string = current_time.strftime("%Y-%m-%d")