Update app.py

app.py

@@ -1,7 +1,15 @@
 import gradio as gr
+import gradio as gr
+import PyPDF2
 
+def extract_text_from_pdf(file):
+    pdf_reader = PyPDF2.PdfFileReader(file)
+    text = ""
+    for page_num in range(pdf_reader.getNumPages()):
+        text += pdf_reader.getPage(page_num).extract_text()
+    return text
 
-def generate_multiple_choice_question():
+def generate_multiple_choice_question(text):
     # Placeholder function to simulate question generation
     question = "What is the capital of France?"
     option_a = "Berlin"
@@ -16,16 +24,14 @@ def generate_multiple_choice_question():
         "explanation": explanation
     }
 
-def check_answer(question, selected_option, correct_option, explanation):
+def check_answer(selected_option, correct_option, explanation):
     success = selected_option == correct_option
-    return {
-        "success": success,
-        "correct_option": correct_option,
-        "explanation": explanation
-    }
+    result_text = f"Correct! {explanation}" if success else f"Incorrect. {explanation}"
+    return result_text, success
 
-def main():
-    mcq = generate_multiple_choice_question()
+def main(pdf_file):
+    text = extract_text_from_pdf(pdf_file)
+    mcq = generate_multiple_choice_question(text)
     question = mcq["question"]
     option_a = mcq["option_a"]
     option_b = mcq["option_b"]
@@ -37,30 +43,23 @@ def main():
 with gr.Blocks() as demo:
     pdf_file = gr.File(label="Upload PDF", file_types=["pdf"])
     question = gr.Textbox(label="Generated Question", interactive=False)
-    option_a = gr.Radio(label="Option A", interactive=False)
-    option_b = gr.Radio(label="Option B", interactive=False)
-    correct_option = gr.Textbox(label="Correct Option", interactive=False)
-    explanation = gr.Textbox(label="Explanation", interactive=False)
+    option_a = gr.Textbox(label="Option A", interactive=False)
+    option_b = gr.Textbox(label="Option B", interactive=False)
     selected_option = gr.Radio(choices=["a", "b"], label="Select your answer")
-    result = gr.JSON(label="Result")
+    result = gr.Textbox(label="Result", interactive=False)
     
-    def process(pdf_file, selected_option):
+    def process(pdf_file):
         q, a, b, correct, expl = main(pdf_file)
-        return {
-            "question": q,
-            "option_a": a,
-            "option_b": b,
-            "correct_option": correct,
-            "explanation": expl
-        }, selected_option, correct, expl
+        return q, a, b, correct, expl
+
+    def evaluate(selected_option, correct_option, explanation):
+        result_text, success = check_answer(selected_option, correct_option, explanation)
+        return result_text
 
-    def evaluate(answer, correct_option, explanation):
-        return check_answer("", answer, correct_option, explanation)
-    
     process_button = gr.Button("Generate Question")
     evaluate_button = gr.Button("Submit Answer")
 
-    process_button.click(fn=process, inputs=[pdf_file, selected_option], outputs=[question, option_a, option_b, correct_option, explanation])
-    evaluate_button.click(fn=evaluate, inputs=[selected_option, correct_option, explanation], outputs=result)
+    process_button.click(fn=process, inputs=[pdf_file], outputs=[question, option_a, option_b, selected_option, result])
+    evaluate_button.click(fn=evaluate, inputs=[selected_option, selected_option, result], outputs=result)
 
 demo.launch()