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271 changes: 271 additions & 0 deletions Untitled5 (1).ipynb
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{
"cells": [
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"colab": {
"base_uri": "https://localhost:8080/"
},
"id": "Js2EDbooJ-Vt",
"outputId": "41fd3286-4320-410d-9dbe-cc20446af531"
},
"outputs": [
{
"name": "stdout",
"output_type": "stream",
"text": [
"Requirement already satisfied: Flask in /usr/local/lib/python3.10/dist-packages (2.2.5)\n",
"Requirement already satisfied: Flask-SQLAlchemy in /usr/local/lib/python3.10/dist-packages (3.1.1)\n",
"Requirement already satisfied: pyngrok in /usr/local/lib/python3.10/dist-packages (7.1.6)\n",
"Requirement already satisfied: Werkzeug>=2.2.2 in /usr/local/lib/python3.10/dist-packages (from Flask) (3.0.3)\n",
"Requirement already satisfied: Jinja2>=3.0 in /usr/local/lib/python3.10/dist-packages (from Flask) (3.1.4)\n",
"Requirement already satisfied: itsdangerous>=2.0 in /usr/local/lib/python3.10/dist-packages (from Flask) (2.2.0)\n",
"Requirement already satisfied: click>=8.0 in /usr/local/lib/python3.10/dist-packages (from Flask) (8.1.7)\n",
"Requirement already satisfied: sqlalchemy>=2.0.16 in /usr/local/lib/python3.10/dist-packages (from Flask-SQLAlchemy) (2.0.30)\n",
"Requirement already satisfied: PyYAML>=5.1 in /usr/local/lib/python3.10/dist-packages (from pyngrok) (6.0.1)\n",
"Requirement already satisfied: MarkupSafe>=2.0 in /usr/local/lib/python3.10/dist-packages (from Jinja2>=3.0->Flask) (2.1.5)\n",
"Requirement already satisfied: typing-extensions>=4.6.0 in /usr/local/lib/python3.10/dist-packages (from sqlalchemy>=2.0.16->Flask-SQLAlchemy) (4.11.0)\n",
"Requirement already satisfied: greenlet!=0.4.17 in /usr/local/lib/python3.10/dist-packages (from sqlalchemy>=2.0.16->Flask-SQLAlchemy) (3.0.3)\n"
]
}
],
"source": [
"!pip install Flask Flask-SQLAlchemy pyngrok\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"id": "JKLJL7ByLzqb"
},
"outputs": [],
"source": [
"from pyngrok import ngrok\n",
"ngrok.set_auth_token(\"2gx23kWANtv3mkL9a1sfHSG7yFN_74JPdicAhw28d57ncaFDr\")\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"colab": {
"background_save": true,
"base_uri": "https://localhost:8080/"
},
"id": "cHOxhtAwKEzI",
"outputId": "e39e72d1-a08a-400f-a94b-892f09c750b8"
},
"outputs": [
{
"metadata": {
"tags": null
},
"name": "stdout",
"output_type": "stream",
"text": [
" * ngrok tunnel \"https://93d8-104-196-5-25.ngrok-free.app\" -> \"http://127.0.0.1:5000/\"\n",
" * Serving Flask app '__main__'\n",
" * Debug mode: off\n"
]
},
{
"output_type": "stream",
"name": "stderr",
"text": [
"INFO:werkzeug:\u001b[31m\u001b[1mWARNING: This is a development server. Do not use it in a production deployment. Use a production WSGI server instead.\u001b[0m\n",
" * Running on http://127.0.0.1:5000\n",
"INFO:werkzeug:\u001b[33mPress CTRL+C to quit\u001b[0m\n",
"INFO:werkzeug:127.0.0.1 - - [25/May/2024 08:35:18] \"GET / HTTP/1.1\" 200 -\n",
"INFO:werkzeug:127.0.0.1 - - [25/May/2024 08:35:18] \"\u001b[33mGET /favicon.ico HTTP/1.1\u001b[0m\" 404 -\n",
"INFO:werkzeug:127.0.0.1 - - [25/May/2024 08:35:35] \"\u001b[35m\u001b[1mPOST /api/add_course HTTP/1.1\u001b[0m\" 201 -\n",
"INFO:werkzeug:127.0.0.1 - - [25/May/2024 08:35:40] \"\u001b[35m\u001b[1mPOST /api/add_course HTTP/1.1\u001b[0m\" 201 -\n",
"INFO:werkzeug:127.0.0.1 - - [25/May/2024 09:30:45] \"\u001b[35m\u001b[1mPOST /api/add_course HTTP/1.1\u001b[0m\" 201 -\n",
"INFO:werkzeug:127.0.0.1 - - [25/May/2024 09:31:07] \"GET / HTTP/1.1\" 200 -\n"
]
}
],
"source": [
"from flask import Flask, request, jsonify, render_template\n",
"from flask_sqlalchemy import SQLAlchemy\n",
"from pyngrok import ngrok\n",
"import os\n",
"\n",
"# ngrok 인증 토큰 설정\n",
"ngrok.set_auth_token(\"2gx23kWANtv3mkL9a1sfHSG7yFN_74JPdicAhw28d57ncaFDr\")\n",
"\n",
"# Flask 애플리케이션 설정\n",
"app = Flask(__name__)\n",
"app.config['SECRET_KEY'] = 'your_secret_key'\n",
"app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///students.db'\n",
"db = SQLAlchemy(app)\n",
"\n",
"class Student(db.Model):\n",
" id = db.Column(db.Integer, primary_key=True)\n",
" username = db.Column(db.String(80), unique=True, nullable=False)\n",
" password = db.Column(db.String(80), nullable=False)\n",
" courses = db.relationship('Course', backref='student', lazy=True)\n",
"\n",
"class Course(db.Model):\n",
" id = db.Column(db.Integer, primary_key=True)\n",
" name = db.Column(db.String(120), nullable=False)\n",
" credits = db.Column(db.Integer, nullable=False)\n",
" grade = db.Column(db.String(10), nullable=False)\n",
" student_id = db.Column(db.Integer, db.ForeignKey('student.id'), nullable=False)\n",
"\n",
"# 학점 변환 함수\n",
"def grade_to_points(grade):\n",
" grade_points = {\n",
" \"A+\": 4.5, \"A\": 4.0, \"A-\": 3.7,\n",
" \"B+\": 3.3, \"B\": 3.0, \"B-\": 2.7,\n",
" \"C+\": 2.3, \"C\": 2.0, \"C-\": 1.7,\n",
" \"D+\": 1.3, \"D\": 1.0, \"D-\": 0.7,\n",
" \"F\": 0.0\n",
" }\n",
" return grade_points.get(grade, 0.0)\n",
"\n",
"@app.route('/')\n",
"def index():\n",
" return render_template('index.html')\n",
"\n",
"@app.route('/api/add_course', methods=['POST'])\n",
"def add_course():\n",
" data = request.json\n",
" student_id = data['student_id']\n",
" name = data['name']\n",
" credits = data['credits']\n",
" grade = data['grade']\n",
"\n",
" course = Course(name=name, credits=credits, grade=grade, student_id=student_id)\n",
" db.session.add(course)\n",
" db.session.commit()\n",
"\n",
" return jsonify({\"message\": \"Course added successfully\"}), 201\n",
"\n",
"@app.route('/api/credits_and_gpa/<int:student_id>', methods=['GET'])\n",
"def credits_and_gpa(student_id):\n",
" student = Student.query.get(student_id)\n",
"\n",
" if not student:\n",
" return jsonify({\"message\": \"Student not found\"}), 404\n",
"\n",
" total_credits = sum(course.credits for course in student.courses)\n",
" total_grade_points = sum(course.credits * grade_to_points(course.grade) for course in student.courses)\n",
" gpa = total_grade_points / total_credits if total_credits else 0.0\n",
"\n",
" return jsonify({\n",
" 'total_credits': total_credits,\n",
" 'gpa': gpa\n",
" })\n",
"\n",
"# 데이터베이스 테이블 생성\n",
"with app.app_context():\n",
" db.create_all()\n",
"\n",
"# templates 디렉토리 생성\n",
"os.makedirs('templates', exist_ok=True)\n",
"\n",
"# HTML 템플릿 생성\n",
"index_html = \"\"\"\n",
"<!doctype html>\n",
"<html lang=\"en\">\n",
"<head>\n",
" <meta charset=\"UTF-8\">\n",
" <meta name=\"viewport\" content=\"width=device-width, initial-scale=1.0\">\n",
" <title>Yonsei University GPA Calculator</title>\n",
" <script>\n",
" async function addCourse() {\n",
" const studentId = document.getElementById('student_id').value;\n",
" const name = document.getElementById('name').value;\n",
" const credits = document.getElementById('credits').value;\n",
" const grade = document.getElementById('grade').value;\n",
"\n",
" const response = await fetch('/api/add_course', {\n",
" method: 'POST',\n",
" headers: {\n",
" 'Content-Type': 'application/json'\n",
" },\n",
" body: JSON.stringify({ student_id: studentId, name, credits, grade })\n",
" });\n",
"\n",
" const result = await response.json();\n",
" alert(result.message);\n",
" }\n",
"\n",
" async function getCreditsAndGPA() {\n",
" const studentId = document.getElementById('student_id').value;\n",
" const response = await fetch(`/api/credits_and_gpa/${studentId}`);\n",
" const result = await response.json();\n",
" if (response.status === 200) {\n",
" document.getElementById('total_credits').innerText = `Total Credits: ${result.total_credits}`;\n",
" document.getElementById('gpa').innerText = `GPA: ${result.gpa}`;\n",
" } else {\n",
" alert(result.message);\n",
" }\n",
" }\n",
" </script>\n",
"</head>\n",
"<body>\n",
" <h1>Yonsei University GPA Calculator</h1>\n",
" <div>\n",
" <h2>Add Course</h2>\n",
" <label for=\"student_id\">Student ID:</label>\n",
" <input type=\"text\" id=\"student_id\" required><br>\n",
" <label for=\"name\">Course Name:</label>\n",
" <input type=\"text\" id=\"name\" required><br>\n",
" <label for=\"credits\">Credits:</label>\n",
" <input type=\"number\" id=\"credits\" required><br>\n",
" <label for=\"grade\">Grade:</label>\n",
" <input type=\"text\" id=\"grade\" required><br>\n",
" <button onclick=\"addCourse()\">Add Course</button>\n",
" </div>\n",
" <div>\n",
" <h2>Get Credits and GPA</h2>\n",
" <button onclick=\"getCreditsAndGPA()\">Get Credits and GPA</button>\n",
" <p id=\"total_credits\">Total Credits: </p>\n",
" <p id=\"gpa\">GPA: </p>\n",
" </div>\n",
"</body>\n",
"</html>\n",
"\"\"\"\n",
"\n",
"with open('templates/index.html', 'w') as f:\n",
" f.write(index_html)\n",
"\n",
"# ngrok 터널 설정 및 공개 URL 가져오기\n",
"ngrok_tunnel = ngrok.connect(5000)\n",
"public_url = ngrok_tunnel.public_url\n",
"print(\" * ngrok tunnel \\\"{}\\\" -> \\\"http://127.0.0.1:5000/\\\"\".format(public_url))\n",
"\n",
"# Flask 애플리케이션 실행\n",
"app.run()\n"
]
},
{
"cell_type": "code",
"execution_count": null,
"metadata": {
"id": "HnV_ImIWx46e"
},
"outputs": [],
"source": [
"os.makedirs('templates', exist_ok=True)\n"
]
}
],
"metadata": {
"colab": {
"provenance": []
},
"kernelspec": {
"display_name": "Python 3",
"name": "python3"
},
"language_info": {
"name": "python"
}
},
"nbformat": 4,
"nbformat_minor": 0
}