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Update app.py
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import gradio as gr
from tool2 import * # Assuming this module contains your exam data and text-to-speech functionality
from backend1 import *
# Global variable to store the currently selected set of exam questions
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 ---
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 start_question >= len(selected_questions):
start_question = 0 # Default to the first question if the input exceeds available questions
question, options, audio_path = display_question(start_question, audio_enabled)
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 the audio_checkbox
gr.update(visible=False), # Hide start_question_slider
# Show quiz elements
gr.update(visible=True), # Show question_text
question, # Question to display
gr.update(choices=options, visible=True), # Update Radio choices
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
start_question, # Update the question_state
"", # Clear result_text
audio_path, # Provide the question audio path
gr.update(visible=True), # Show explain_button
gr.update(visible=True), # Show result_text (for explanation)
None # current_audio_state = None
)
def display_question(index, audio_enabled):
"""Displays a question with options and generates audio (if enabled)."""
if index < 0 or index >= len(selected_questions):
return "No more questions.", [], None
question_text_ = selected_questions[index].get('question', 'No question text available.')
question_text = f"**Question {index}:** {question_text_}"
choices_options = selected_questions[index].get('options', [])
audio_path = text_to_speech(question_text_ + " " + " ".join(choices_options)) if audio_enabled else None
return question_text, choices_options, audio_path
def show_explanation(index):
"""Shows the explanation for the current question."""
if 0 <= index < len(selected_questions):
explanation = selected_questions[index].get('explanation', 'No explanation available for this question.')
return (
f"**Explanation:** {explanation}",
gr.update(visible=True), # Show explanation_text
gr.update(visible=True) # Show result_text
)
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."""
correct_answer = selected_questions[index].get('correct', 'No correct answer provided.')
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."""
question, options, audio_path = display_question(index, audio_enabled)
return question, gr.update(choices=options), index, audio_path
def handle_answer(index, answer, audio_enabled, current_audio):
"""
Handles answer submission:
1) Stop the question audio.
2) Provide and play the answer audio (if enabled).
"""
if answer is None:
# No answer was selected
return "Please select an option before submitting.", None, None, gr.update(value=None)
# Stop the current question audio
stop_audio = True if current_audio else False
# Check answer and generate answer audio
result = check_answer(index, answer)
answer_audio_path = text_to_speech(result) if audio_enabled else None
# Return result (shown as text),
# the new answer audio,
# updated current_audio_state,
# and question_audio set to None so it stops playing
return result, answer_audio_path, stop_audio, gr.update(value=None)
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, new_index, audio_path = update_question(new_index, audio_enabled)
# Hide explanation when moving to next question
return question, options, new_index, "", audio_path, gr.update(visible=False)
def handle_previous(index, audio_enabled):
"""Moves to the previous question and updates the UI."""
new_index = max(index - 1, 0)
question, options, new_index, audio_path = update_question(new_index, audio_enabled)
# Hide explanation when moving to previous question
return question, options, new_index, "", audio_path, gr.update(visible=False)
def return_home():
"""Returns to the home screen."""
return (
# Show start screen elements
gr.update(visible=True), # title
gr.update(visible=True), # description
gr.update(visible=True), # exam_selector
gr.update(visible=True), # start_button
gr.update(visible=True), # audio_checkbox
gr.update(visible=False), # start_question_slider
# Hide quiz elements
gr.update(visible=False), # question_text
"", # question_text value
gr.update(visible=False), # choices
gr.update(visible=False), # answer_button
gr.update(visible=False), # next_button
gr.update(visible=False), # prev_button
gr.update(visible=False), # home_button
0, # question_state
"", # result_text
gr.update(value=None), # question_audio
gr.update(visible=False), # explain_button
gr.update(visible=False), # result_text (for explanation)
None # current_audio_state
)
with gr.Blocks() as demo:
# Home page elements
title = gr.Markdown(value="**AWS Exam Simulator (Quiz)**")
description = gr.Markdown(value=description_str)
exam_selector = gr.Dropdown(label="Select an exam", choices=exams, value=None)
audio_checkbox = gr.Checkbox(label="Enable Audio", value=True, visible=False)
start_question_slider = gr.Slider(
minimum=0, maximum=50, step=1, label="Select starting question", visible=False
)
start_button = gr.Button("Start Exam", visible=False)
# Quiz elements (initially hidden)
question_state = gr.State(0)
current_audio_state = gr.State(None) # State to track the current question audio
question_text = gr.Markdown(visible=False, elem_id="question-text")
choices = gr.Radio(visible=False, label="Options")
result_text = gr.Markdown(visible=True)
explanation_text = gr.Markdown(visible=False)
answer_button = gr.Button("Submit Answer", visible=False)
next_button = gr.Button("Next Question", visible=False)
prev_button = gr.Button("Previous Question", visible=False)
home_button = gr.Button("Return to Home", visible=False)
explain_button = gr.Button("Explain", visible=False)
# We use two different audio players for question and answer
question_audio = gr.Audio(visible=False, label="Question Audio", autoplay=True)
answer_audio = gr.Audio(visible=False, label="Answer Audio", autoplay=True)
# Layout for the home page
with gr.Row():
gr.Column([title])
with gr.Row():
gr.Column([description])
with gr.Row():
gr.Column([exam_selector])
with gr.Row():
gr.Column([audio_checkbox, start_question_slider])
with gr.Row():
gr.Column([start_button])
# Layout for the quiz
with gr.Row():
gr.Column([question_text, question_audio])
with gr.Row():
gr.Column([choices])
with gr.Row():
gr.Column([result_text, explanation_text, answer_audio])
with gr.Row():
gr.Column([prev_button], scale=1)
gr.Column([], scale=8)
gr.Column([next_button], scale=1)
with gr.Row():
gr.Column([answer_button, explain_button])
with gr.Row():
gr.Column([home_button])
# Show settings after exam selection
def show_settings(exam_choice):
return (
gr.update(visible=True),
gr.update(visible=True),
gr.update(visible=True)
)
# Connect exam selection to display settings section
exam_selector.change(
fn=show_settings,
inputs=[exam_selector],
outputs=[audio_checkbox, start_question_slider, start_button]
)
# Connect the start button to start the exam
start_button.click(
fn=start_exam,
inputs=[exam_selector, start_question_slider, audio_checkbox],
outputs=[
title,
description,
exam_selector,
start_button,
audio_checkbox, # Hide the checkbox
start_question_slider, # Hide the slider
question_text, # Show question_text
question_text, # question content
choices, # show choices
answer_button,
next_button,
prev_button,
home_button,
question_state,
result_text,
question_audio,
explain_button,
result_text,
current_audio_state
]
)
# Connect the quiz buttons to their functions
answer_button.click(
fn=handle_answer,
inputs=[question_state, choices, audio_checkbox, current_audio_state],
# We now also update question_audio -> set it to None to stop playback.
outputs=[result_text, answer_audio, current_audio_state, question_audio]
)
next_button.click(
fn=handle_next,
inputs=[question_state, audio_checkbox],
outputs=[question_text, choices, question_state, result_text, question_audio, explanation_text]
)
prev_button.click(
fn=handle_previous,
inputs=[question_state, audio_checkbox],
outputs=[question_text, choices, question_state, result_text, question_audio, explanation_text]
)
explain_button.click(
fn=show_explanation,
inputs=[question_state],
outputs=[explanation_text, result_text, explanation_text]
)
home_button.click(
fn=return_home,
inputs=None,
outputs=[
title,
description,
exam_selector,
start_button,
audio_checkbox,
start_question_slider,
question_text,
question_text,
choices,
answer_button,
next_button,
prev_button,
home_button,
question_state,
result_text,
question_audio,
explain_button,
result_text,
current_audio_state
]
)
demo.launch()