TeachingChatbot / app.py
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import gradio as gr
import openai
import PyPDF2
import os
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 = {}
# **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: # 修正此處為 "rb"
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 判斷對錯並提供講解
def analyze_answer(user_input, topic):
global user_errors
# 使用 AI 來分析回答
prompt = f"學生回答:'{user_input}'\n\n請分析學生的回答是否正確,並提供詳細講解與建議。"
response = openai.ChatCompletion.create(
model="gpt-4",
messages=[{"role": "system", "content": "你是一位教育專家,請評估學生的回答,並提供詳細講解。"},
{"role": "user", "content": prompt}]
)
feedback = response['choices'][0]['message']['content']
# 記錄錯誤主題(長期紀錄)
if "❌" in feedback:
user_errors[topic] = user_errors.get(topic, 0) + 1
return feedback
# 顯示弱點歷史紀錄
def get_weaknesses():
if not user_errors:
return "🎯 目前沒有明顯弱點,繼續保持!"
sorted_weaknesses = sorted(user_errors.items(), key=lambda x: x[1], reverse=True)
history_text = "\n".join([f"{k}: {v} 次錯誤" for k, v in sorted_weaknesses])
return f"📌 **你的弱點領域**:\n{history_text}"
# 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)
# 新增弱點歷史紀錄功能
weaknesses_output = gr.Textbox(label="弱點歷史紀錄")
weakness_btn = gr.Button("查看過去錯誤主題")
weakness_btn.click(get_weaknesses, outputs=weaknesses_output)
demo.launch()