Create app.py

app.py

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+import gradio as gr
+import random
+import json
+from fpdf import FPDF
+
+# Load question bank
+with open("questions.json", "r", encoding="utf-8") as f:
+    question_bank = json.load(f)
+
+# Pick 50 random questions
+def get_random_questions():
+    return random.sample(question_bank, 50)
+
+# Store state
+questions = get_random_questions()
+
+# Function to evaluate answers
+def evaluate_test(student_name, father_name, roll_no, answers):
+    attempted = sum([1 for a in answers if a is not None and a != ""])
+    correct = 0
+    for q, ans in zip(questions, answers):
+        if ans == q["answer"]:
+            correct += 1
+    percentage = (correct / len(questions)) * 100
+
+    # Generate PDF report
+    pdf = FPDF()
+    pdf.add_page()
+    pdf.set_font("Arial", size=12)
+    pdf.cell(200, 10, txt="Test Report - Class 6 General Knowledge", ln=True, align="C")
+    pdf.ln(10)
+    pdf.cell(200, 10, txt=f"Student Name: {student_name}", ln=True)
+    pdf.cell(200, 10, txt=f"Father's Name: {father_name}", ln=True)
+    pdf.cell(200, 10, txt=f"Roll No: {roll_no}", ln=True)
+    pdf.ln(10)
+    pdf.cell(200, 10, txt=f"Total Questions: {len(questions)}", ln=True)
+    pdf.cell(200, 10, txt=f"Attempted: {attempted}", ln=True)
+    pdf.cell(200, 10, txt=f"Correct: {correct}", ln=True)
+    pdf.cell(200, 10, txt=f"Percentage: {percentage:.2f}%", ln=True)
+
+    file_name = f"{roll_no}_result.pdf"
+    pdf.output(file_name)
+
+    result_summary = f"""
+    Student: {student_name}  
+    Father's Name: {father_name}  
+    Roll No: {roll_no}  
+    
+    Attempted: {attempted}  
+    Correct: {correct}  
+    Percentage: {percentage:.2f}%
+    """
+
+    return result_summary, file_name
+
+# Build Gradio interface dynamically
+def build_interface():
+    global questions
+    questions = get_random_questions()
+
+    inputs = [
+        gr.Textbox(label="Student Name"),
+        gr.Textbox(label="Father's Name"),
+        gr.Textbox(label="Roll No")
+    ]
+
+    answer_inputs = []
+    for i, q in enumerate(questions):
+        answer_inputs.append(
+            gr.Radio(choices=q["options"], label=f"Q{i+1}: {q['question']}", value=None)
+        )
+
+    output_text = gr.Textbox(label="Result Summary")
+    output_file = gr.File(label="Download Result PDF")
+
+    demo = gr.Interface(
+        fn=evaluate_test,
+        inputs=inputs + answer_inputs,
+        outputs=[output_text, output_file],
+        title="Class 6 General Knowledge Test (GFT/O Exam)",
+        description="Answer 50 random questions and get your result in PDF."
+    )
+    return demo
+
+demo = build_interface()
+
+if __name__ == "__main__":
+    demo.launch()