""" scoring.py - Answer checking and score tracking. Loads answers.txt (format: ). Handles POST /answer, updates session scores, shows a result page, and provides a /score page. """ import os import urllib.parse import config # Load answers on startup ANSWERS = {} def load_answers(filename='answers.txt'): """Load answers from a text file into a dictionary.""" global ANSWERS ANSWERS = {} if not os.path.exists(filename): print(f"Warning: '{filename}' not found. No answers loaded.") return with open(filename, 'r') as f: for line in f: line = line.strip() if not line or ' ' not in line: continue parts = line.split() if len(parts) >= 2: try: q_num = int(parts[0]) correct = parts[1].upper() ANSWERS[q_num] = correct except ValueError: pass load_answers() def parse_post_data(handler): """Read and parse URL-encoded POST data from the request body.""" content_length = int(handler.headers.get('Content-Length', 0)) if content_length == 0: return {} raw_data = handler.rfile.read(content_length) data = urllib.parse.parse_qs(raw_data.decode('utf-8')) return {k: v[0] for k, v in data.items()} def handle_answer(handler): """ Handle POST /answer. """ # Ensure session exists if not hasattr(handler, 'session') or handler.session is None: handler.send_error(500, 'No session object') return data = parse_post_data(handler) question_str = data.get('question', '').strip() choice = data.get('choice', '').strip().upper() if not question_str.isdigit() or not choice: handler.send_response(302) handler.send_header('Location', config.QUESTION_ROUTE_PREFIX) handler.end_headers() return q_num = int(question_str) correct_answer = ANSWERS.get(q_num) if correct_answer and choice == correct_answer: is_correct = True handler.session['correct'] = handler.session.get('correct', 0) + 1 else: is_correct = False handler.session['incorrect'] = handler.session.get('incorrect', 0) + 1 correct_display = correct_answer if correct_answer else '?' result_text = 'Correct!' if is_correct else f'Incorrect. The correct answer was {correct_display}.' score_correct = handler.session.get('correct', 0) score_incorrect = handler.session.get('incorrect', 0) body_parts = [ '', '', 'Answer Result', '', f'

{result_text}

', f'

Your score: {score_correct} correct, {score_incorrect} incorrect

', f'

Try another random question

', f'

Back to question list

', '' ] body = '\n'.join(body_parts) content = body.encode('utf-8') handler.send_response(200) handler.send_header('Content-Type', 'text/html; charset=utf-8') handler.send_header('Content-Length', len(content)) handler.end_headers() handler.wfile.write(content) def show_score(handler): """ Display a dedicated score page for the logged-in user. """ # Ensure session exists if not hasattr(handler, 'session') or handler.session is None: handler.send_error(500, 'No session object') return correct = handler.session.get('correct', 0) incorrect = handler.session.get('incorrect', 0) total = correct + incorrect body_parts = [ '', '', 'Your Score', '', '

Your Score

', f'

Correct: {correct}

', f'

Incorrect: {incorrect}

', ] if total > 0: pct = round((correct / total) * 100, 1) body_parts.append(f'

Percentage: {pct}%

') else: body_parts.append('

No questions answered yet.

') body_parts.append(f'

Question List

') body_parts.append('

Home

') body_parts.append('

Logout

') body_parts.append('') body = '\n'.join(body_parts) content = body.encode('utf-8') handler.send_response(200) handler.send_header('Content-Type', 'text/html; charset=utf-8') handler.send_header('Content-Length', len(content)) handler.end_headers() handler.wfile.write(content)