Update app.py

app.py

@@ -1,6 +1,6 @@
 # app.py
 import gradio as gr
-from tool2 import * # Ensure you are using the updated tool2.py
+from tool2 import *  # Ensure you are using the updated tool2.py
 from backend1 import *
 
 # Global variable to store the currently selected set of exam questions
@@ -8,22 +8,23 @@ selected_questions = []
 
 description_str = """Developed by Ruslan Magana, this interactive quiz platform is designed to help you prepare and assess your knowledge in a variety of exams.
 For more information about the developer, please visit [ruslanmv.com](https://ruslanmv.com/).
+
 **Get Started with Your Quiz**
 Select an exam from the dropdown menu below and start testing your skills. You can also choose to enable audio feedback to enhance your learning experience. Simply toggle the "Enable Audio" checkbox to turn it on or off."""
 
-# --- FUNCTION DEFINITIONS ---
 
+# --- FUNCTION DEFINITIONS ---
 def start_exam(exam_choice, start_question, audio_enabled):
     """Starts the exam by selecting questions, setting up UI."""
     global selected_questions
     selected_questions = select_exam_vce(exam_choice)
 
-    if not selected_questions: # Handle case where no questions are loaded for selected exam
+    if not selected_questions:  # Handle case where no questions are loaded for selected exam
         return (
             gr.update(visible=True),  # Show title
-            gr.update(value="**Error: No Questions Found for this Exam**", visible=True), # Update description to error message
-            gr.update(visible=True), # Show exam_selector
-            gr.update(visible=True), # Show start_button
+            gr.update(value="**Error: No Questions Found for this Exam**", visible=True),  # Update description to error message
+            gr.update(visible=True),  # Show exam_selector
+            gr.update(visible=True),  # Show start_button
             gr.update(visible=True),  # Show the audio_checkbox
             gr.update(visible=True),  # Show start_question_slider
             # Hide quiz elements
@@ -35,49 +36,29 @@ def start_exam(exam_choice, start_question, audio_enabled):
             gr.update(visible=False),  # Hide prev_button
             gr.update(visible=False),  # Hide home_button
             0, "",  # Update the question state
-            None, # Provide the audio_path
+            None,  # Provide the audio_path
             gr.update(visible=False),  # Hide explain_button
             gr.update(visible=False),
-            None # None for audio stop
+            None  # None for audio stop
         )
 
-
     if start_question >= len(selected_questions):
         start_question = 0  # Default to the first question if the input exceeds available questions
 
-    question_list = select_exam_vce(exam_choice) # Get the question list here
-    if not question_list: # handle case where select_exam_vce returns None or empty list
-        return (
-            gr.update(visible=True),  # Show title
-            gr.update(value="**Error: No Questions Found for this Exam**", visible=True), # Update description to error message
-            gr.update(visible=True), # Show exam_selector
-            gr.update(visible=True), # Show start_button
-            gr.update(visible=True),  # Show the audio_checkbox
-            gr.update(visible=True),  # Show start_question_slider
-            # Hide quiz elements
-            gr.update(visible=False),  # Hide question_text
-            "",  # Question to display
-            gr.update(choices=[], visible=False),  # Hide Radio choices
-            gr.update(visible=False),  # Hide answer_button
-            gr.update(visible=False),  # Hide next_button
-            gr.update(visible=False),  # Hide prev_button
-            gr.update(visible=False),  # Hide home_button
-            0, "",  # Update the question state
-            None, # Provide the audio_path
-            gr.update(visible=False),  # Hide explain_button
-            gr.update(visible=False),
-            None # None for audio stop
-        )
-
-
-    question, options, audio_path = display_question(start_question -1 if start_question > 0 else 0, audio_enabled, selected_questions) # Corrected index here to be 0-based, using global selected_questions
+    #  The error occurred here. The `start_exam` function called `display_question` with three arguments:
+    # `start_question - 1 if start_question > 0 else 0`, `audio_enabled`, and `selected_questions`.
+    # However, the `display_question` function (presumably defined in tool2.py, though not shown) was
+    # defined to accept only two arguments.
+    # The traceback clearly states: `TypeError: display_question() takes 2 positional arguments but 3 were given`.
+    # I fixed this by modifying tool2.py to include selected_question as a parameter
+    question, options, audio_path = display_question(start_question - 1 if start_question > 0 else 0, audio_enabled, selected_questions)  # Corrected index here to be 0-based
 
     return (
         # Hide start screen elements
         gr.update(visible=False),  # Hide title
-        gr.update(visible=False), # Hide description
-        gr.update(visible=False), # Hide exam_selector
-        gr.update(visible=False), # Hide start_button
+        gr.update(visible=False),  # Hide description
+        gr.update(visible=False),  # Hide exam_selector
+        gr.update(visible=False),  # Hide start_button
         gr.update(visible=False),  # Hide the audio_checkbox
         gr.update(visible=False),  # Hide start_question_slider
         # Show quiz elements
@@ -85,18 +66,18 @@ def start_exam(exam_choice, start_question, audio_enabled):
         question,  # Question to display
         gr.update(choices=options, visible=True),  # Update Radio choices and make visible
         gr.update(visible=True),  # Show answer_button
-        gr.update(visible=True),# Show next_button
-        gr.update(visible=True), # Show prev_button
-        gr.update(visible=True), # Show home_button
+        gr.update(visible=True),  # Show next_button
+        gr.update(visible=True),  # Show prev_button
+        gr.update(visible=True),  # Show home_button
         start_question, "",  # Update the question state
-        audio_path, # Provide the audio_path
+        audio_path,  # Provide the audio_path
         gr.update(visible=True),  # Show explain_button
         gr.update(visible=True),
         None  # None for the audio stop signal
     )
 
 
-def display_question_ui(index, audio_enabled): # Changed function name and parameters
+def display_question_ui(index, audio_enabled):  # Changed function name and parameters
     """Displays a question with options and generates audio (if enabled) and updates UI elements."""
     question, options, audio_path = display_question(index, audio_enabled, selected_questions)
     return question, gr.update(choices=options), audio_path
@@ -104,27 +85,29 @@ def display_question_ui(index, audio_enabled): # Changed function name and param
 
 def show_explanation(index):
     """Shows the explanation for the current question and hides previous results."""
-    explanation, correct_answer = get_explanation_and_answer(index, selected_questions) # Get both explanation and answer
+    explanation, correct_answer = get_explanation_and_answer(index, selected_questions)  # Get both explanation and answer
     if 0 <= index < len(selected_questions):
         return (
             f"**Explanation:** {explanation}",
             gr.update(visible=True),  # Show explanation_text
-            gr.update(visible=True)   # Show result_text - ensure result_text is shown when explanation is shown
+            gr.update(visible=True)  # Show result_text - ensure result_text is shown when explanation is shown
         )
     else:
         return "No explanation available for this question.", gr.update(visible=False), gr.update(visible=False)
 
+
 def check_answer(index, answer):
     """Checks the given answer against the correct answer."""
-    explanation, correct_answer = get_explanation_and_answer(index, selected_questions) # Get correct answer
+    explanation, correct_answer = get_explanation_and_answer(index, selected_questions)  # Get correct answer
     if answer == correct_answer:
         return f"Correct! The answer is: {correct_answer}"
     else:
         return f"Incorrect. The correct answer is: {correct_answer}"
 
+
 def update_question(index, audio_enabled):
     """Updates the displayed question when the index changes."""
-    return display_question_ui(index, audio_enabled) # Use display_question_ui for UI updates
+    return display_question_ui(index, audio_enabled)  # Use display_question_ui for UI updates
 
 
 def handle_answer(index, answer, audio_enabled, current_audio):
@@ -132,7 +115,6 @@ def handle_answer(index, answer, audio_enabled, current_audio):
     # Handle the case when no answer is selected
     if answer is None:
         return "Please select an option before submitting.", None, None
-
     # Stop the current question audio before playing the answer audio
     stop_audio = True if current_audio else False
     result = check_answer(index, answer)
@@ -144,28 +126,30 @@ def handle_next(index, audio_enabled):
     """Moves to the next question and updates the UI."""
     new_index = min(index + 1, len(selected_questions) - 1)
     question, options, audio_path = update_question(new_index, audio_enabled)
-    return question, options, new_index, "", audio_path, gr.update(visible=False), gr.update(value="") # Hide explanation and clear result text
+    return question, options, new_index, "", audio_path, gr.update(visible=False), gr.update(value="")  # Hide explanation and clear result text
+
 
 def handle_previous(index, audio_enabled):
     """Moves to the previous question and updates the UI."""
     new_index = max(index - 1, 0)
     question, options, audio_path = update_question(new_index, audio_enabled)
-    return question, options, new_index, "", audio_path, gr.update(visible=False), gr.update(value="") # Hide explanation and clear result text
+    return question, options, new_index, "", audio_path, gr.update(visible=False), gr.update(value="")  # Hide explanation and clear result text
 
 
 def return_home():
     """Returns to the home screen."""
     return (
         # Show start screen elements
-        gr.update(visible=True), gr.update(value="**AWS Exam Simulator (Quiz)**", visible=True), gr.update(visible=True), gr.update(visible=True), # Reset title and description value
+        gr.update(visible=True), gr.update(value="**AWS Exam Simulator (Quiz)**", visible=True), gr.update(visible=True), gr.update(visible=True),  # Reset title and description value
         gr.update(visible=True),  # Show the audio_checkbox
         gr.update(visible=True),  # Show start_question_slider - show slider on home return
         # Hide quiz elements
         gr.update(visible=False), gr.update(visible=False), gr.update(visible=False), gr.update(visible=False),
         gr.update(visible=False), gr.update(visible=False), gr.update(visible=False), 0, "", gr.update(visible=False), gr.update(visible=False),
-        gr.update(visible=False), gr.update(value="") # Hide explain button and clear result text
+        gr.update(visible=False), gr.update(value="")  # Hide explain button and clear result text
     )
 
+
 with gr.Blocks() as demo:
     # Home page elements
     title = gr.Markdown(value="**AWS Exam Simulator (Quiz)**")
@@ -180,7 +164,7 @@ with gr.Blocks() as demo:
     current_audio_state = gr.State(None)  # State to track the current audio playing
     question_text = gr.Markdown(visible=False, elem_id="question-text")
     choices = gr.Radio(visible=False, label="Options")
-    result_text = gr.Markdown(visible=False) # Initially hidden, shown when answer is submitted or explanation is shown
+    result_text = gr.Markdown(visible=False)  # Initially hidden, shown when answer is submitted or explanation is shown
     explanation_text = gr.Markdown(visible=False)
     answer_button = gr.Button("Submit Answer", visible=False)
     next_button = gr.Button("Next Question", visible=False)
@@ -241,17 +225,15 @@ with gr.Blocks() as demo:
 
     # Connect the quiz buttons to their functions
     answer_button.click(fn=handle_answer, inputs=[question_state, choices, audio_checkbox, current_audio_state], outputs=[result_text, answer_audio, current_audio_state])
-    next_button.click(fn=handle_next, inputs=[question_state, audio_checkbox], outputs=[question_text, choices, question_state, result_text, question_audio, explanation_text, result_text]) # Corrected input to audio_checkbox
-    prev_button.click(fn=handle_previous, inputs=[question_state, audio_checkbox], outputs=[question_text, choices, question_state, result_text, question_audio, explanation_text, result_text]) # Corrected input to audio_checkbox
-
-    explain_button.click(fn=show_explanation, inputs=[question_state], outputs=[explanation_text, result_text, explanation_text]) # Corrected output to explanation_text for the last element which was incorrectly result_text
-
+    next_button.click(fn=handle_next, inputs=[question_state, audio_checkbox], outputs=[question_text, choices, question_state, result_text, question_audio, explanation_text, result_text])  # Corrected input to audio_checkbox
+    prev_button.click(fn=handle_previous, inputs=[question_state, audio_checkbox], outputs=[question_text, choices, question_state, result_text, question_audio, explanation_text, result_text])  # Corrected input to audio_checkbox
+    explain_button.click(fn=show_explanation, inputs=[question_state], outputs=[explanation_text, result_text, explanation_text])  # Corrected output to explanation_text for the last element which was incorrectly result_text
     home_button.click(fn=return_home, inputs=None, outputs=[
         title, description, exam_selector, start_button,
         audio_checkbox,  # Ensure the checkbox visibility is updated
         start_question_slider,  # Ensure the slider is shown
         question_text, question_text, choices, answer_button,
-        next_button, prev_button, home_button, question_state, result_text, explanation_text, explain_button, result_text # Added result_text to clear on home, and corrected outputs to include explanation_text
+        next_button, prev_button, home_button, question_state, result_text, explanation_text, explain_button, result_text  # Added result_text to clear on home, and corrected outputs to include explanation_text
     ])
 
 demo.launch()