Update app.py

app.py

@@ -146,10 +146,35 @@
 # demo.launch()
 
 
+# import gradio as gr
+
+# def update_options(selected_option):
+#     # Logic to determine new options based on selected option
+#     if selected_option == "Option 1":
+#         new_options = ["Suboption 1.1", "Suboption 1.2"]
+#     elif selected_option == "Option 2":
+#         new_options = ["Suboption 2.1", "Suboption 2.2"]
+#     else:
+#         new_options = ["Suboption 3.1", "Suboption 3.2"]
+
+#     new_options = ['Something', 'something else']
+
+#     # Return the new options to update the second dropdown
+#     return new_options  # Return current selection to persist it in the first dropdown
+
+# with gr.Blocks() as demo:
+#     with gr.Row():
+#         dropdown_1 = gr.Dropdown(choices=["Option 1", "Option 2", "Option 3"], label="Main Options")
+#         dropdown_2 = gr.Dropdown(choices=['just here', 'for the sake of it'], label="Sub Options")
+
+#     # When the first dropdown changes, update the options in the second dropdown
+#     dropdown_2.change(fn=update_options, inputs=dropdown_2, outputs=dropdown_1)
+
+# demo.launch()
+
 import gradio as gr
 
-def update_options(selected_option):
-    # Logic to determine new options based on selected option
+def update_dropdown_2(selected_option, dropdown_2_choices):
     if selected_option == "Option 1":
         new_options = ["Suboption 1.1", "Suboption 1.2"]
     elif selected_option == "Option 2":
@@ -157,17 +182,18 @@ def update_options(selected_option):
     else:
         new_options = ["Suboption 3.1", "Suboption 3.2"]
 
-    new_options = ['Something', 'something else']
-
-    # Return the new options to update the second dropdown
-    return new_options  # Return current selection to persist it in the first dropdown
+    return new_options
 
 with gr.Blocks() as demo:
     with gr.Row():
-        dropdown_1 = gr.Dropdown(choices=["Option 1", "Option 2", "Option 3"], label="Main Options")
-        dropdown_2 = gr.Dropdown(choices=['just here', 'for the sake of it'], label="Sub Options")
+        dropdown_1 = gr.Dropdown(["Option 1", "Option 2", "Option 3"], label="Main Options")
+        dropdown_2 = gr.Dropdown(["Suboption 1.1", "Suboption 1.2"], label="Sub Options")
+
+    def on_dropdown_1_change(selected_option):
+        new_choices = update_dropdown_2(selected_option, dropdown_2)
+        dropdown_2.update(choices=new_choices)
 
-    # When the first dropdown changes, update the options in the second dropdown
-    dropdown_2.change(fn=update_options, inputs=dropdown_2, outputs=dropdown_1)
+    dropdown_1.change(on_dropdown_1_change, inputs=dropdown_1, outputs=dropdown_2)
 
 demo.launch()
+