TeachingChatbot / app.py
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import gradio as gr
import openai
import PyPDF2
import os
from datetime import datetime
OPENAI_API_KEY = os.getenv("OPENAI_API_KEY")
# **更新後的主題選項**
topics = ["教育哲學", "教育社會學", "教育心理學", "課程與教學", "教學原理", "班級經營", "教育測驗與評量", "青少年問題與輔導"]
difficulties = ["簡單", "中等", "困難"]
# 學習者錯誤統計(歷史紀錄)
user_errors = {}
error_history = {}
# **開發者預設教材 PDF 檔案**
DEFAULT_PDF_PATH = "教材.pdf"
# 解析 PDF 並擷取文本(使用開發者預設的教材)
def extract_text_from_pdf():
with open(DEFAULT_PDF_PATH, "rb") as pdf_file:
reader = PyPDF2.PdfReader(pdf_file)
text = ""
for page in reader.pages:
text += page.extract_text() + "\n"
return text
pdf_text = extract_text_from_pdf() # 讀取教材
# AI 生成問題函數(基於預設教材)
def generate_question(topic, difficulty):
prompt = f"請根據以下教育學教材內容,設計一個屬於'{topic}'主題、'{difficulty}'難度的考題:\n{pdf_text}"
response = openai.ChatCompletion.create(
model="gpt-4",
messages=[{"role": "system", "content": "你是一位教育專家,請根據教材內容提供符合主題的問題。"},
{"role": "user", "content": prompt}]
)
return response['choices'][0]['message']['content']
# AI 根據 PDF 教材分析回答,並記錄錯題與日期
def analyze_answer(user_input, topic):
global user_errors, error_history
# 取得當前日期
current_date = datetime.today().strftime("%Y-%m-%d")
# 使用 AI 來分析回答(比對 PDF 教材)
prompt = f"請根據以下教材內容,檢查學生的回答是否正確,並提供正確答案與詳細講解:\n{pdf_text}\n\n學生回答:'{user_input}'"
response = openai.ChatCompletion.create(
model="gpt-4",
messages=[{"role": "system", "content": "你是一位教育專家,請根據教材內容分析學生的回答,並提供正確答案與講解。"},
{"role": "user", "content": prompt}]
)
feedback = response['choices'][0]['message']['content']
# 記錄錯題與日期
if "❌" in feedback:
user_errors[topic] = user_errors.get(topic, 0) + 1
if current_date not in error_history:
error_history[current_date] = []
error_history[current_date].append({"題目": topic, "回答": user_input, "AI 分析": feedback})
return feedback
# 查詢特定日期的錯題歷史
def get_errors_by_date(date):
if date in error_history:
errors = error_history[date]
return "\n".join([f"🔹 題目: {e['題目']}\n📝 回答: {e['回答']}\n📖 AI 分析: {e['AI 分析']}" for e in errors])
return "❌ 該日期沒有錯題紀錄"
# 設定 Gradio 介面
with gr.Blocks() as demo:
gr.Markdown("# 教師檢定智慧陪讀家教 🚀")
topic_input = gr.Dropdown(choices=topics, label="選擇複習主題")
difficulty_input = gr.Dropdown(choices=difficulties, label="選擇難度等級")
question_output = gr.Textbox(label="AI 生成的問題")
ask_btn = gr.Button("生成問題")
ask_btn.click(generate_question, inputs=[topic_input, difficulty_input], outputs=question_output)
user_answer = gr.Textbox(label="你的回答")
analysis_result = gr.Textbox(label="AI 分析與講解")
analyze_btn = gr.Button("分析回答")
analyze_btn.click(analyze_answer, inputs=[user_answer, topic_input], outputs=analysis_result)
# 新增「錯題日期選擇」功能
date_input = gr.Textbox(label="輸入日期(YYYY-MM-DD)")
error_history_output = gr.Textbox(label="當日錯題紀錄")
search_errors_btn = gr.Button("查看該日期錯題")
search_errors_btn.click(get_errors_by_date, inputs=date_input, outputs=error_history_output)
demo.launch()