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답변 완료

* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.

* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.


코드스니펫에서 그대로 복사하고 실행시켰는데 찾을 수 없다는 화면이 뜨네요



스파르타 즉문즉답




작성한 코드 및 에러 메세지

from flask import Flask, render_template, request, jsonify
app = Flask(__name__)

@app.route('/')
def home():
    return render_template('index.html')

@app.route("/bucket", methods=["POST"])
def bucket_post():
    sample_receive = request.form['sample_give']
    print(sample_receive)
    return jsonify({'msg': 'POST 연결 완료!'})
    
@app.route("/bucket", methods=["GET"])
def bucket_get():
    return jsonify({'msg': 'GET 연결 완료!'})

if __name__ == '__main__':
    app.run('0.0.0.0', port=5000, debug=True)

    오류 발생 시, 작성한 코드 전체와 에러 메시지를 첨부해 주세요.

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />

    <link
      href="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/css/bootstrap.min.css"
      rel="stylesheet"
      integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC"
      crossorigin="anonymous"
    />
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
    <script
      src="https://cdn.jsdelivr.net/npm/bootstrap@5.0.2/dist/js/bootstrap.bundle.min.js"
      integrity="sha384-MrcW6ZMFYlzcLA8Nl+NtUVF0sA7MsXsP1UyJoMp4YLEuNSfAP+JcXn/tWtIaxVXM"
      crossorigin="anonymous"
    ></script>

    <link
      href="https://fonts.googleapis.com/css2?family=Gowun+Dodum&display=swap"
      rel="stylesheet"
    />

    <title>인생 버킷리스트</title>

    <style>
      * {
        font-family: "Gowun Dodum", sans-serif;
      }
      .mypic {
        width: 100%;
        height: 200px;

        background-image: linear-gradient(
            0deg,
            rgba(0, 0, 0, 0.5),
            rgba(0, 0, 0, 0.5)
          ),
          url("https://images.unsplash.com/photo-1601024445121-e5b82f020549?ixid=MnwxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8&ixlib=rb-1.2.1&auto=format&fit=crop&w=1189&q=80");
        background-position: center;
        background-size: cover;

        color: white;

        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
      }
      .mypic > h1 {
        font-size: 30px;
      }
      .mybox {
        width: 95%;
        max-width: 700px;
        padding: 20px;
        box-shadow: 0px 0px 10px 0px lightblue;
        margin: 20px auto;
      }
      .mybucket {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
      }

      .mybucket > input {
        width: 70%;
      }
      .mybox > li {
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: center;

        margin-bottom: 10px;
        min-height: 48px;
      }
      .mybox > li > h2 {
        max-width: 75%;
        font-size: 20px;
        font-weight: 500;
        margin-right: auto;
        margin-bottom: 0px;
      }
      .mybox > li > h2.done {
        text-decoration: line-through;
      }
    </style>
    <script>
      $(document).ready(function () {
        show_bucket();
      });
      function show_bucket() {
        fetch('/bucket').then(res => res.json()).then(data => {
                console.log(data)
                alert(data["msg"]);
            })
      }

      function save_bucket() {
        let formData = new FormData();
        formData.append("sample_give", "샘플데이터");

        fetch('/bucket', {method: "POST",body: formData,}).then((response) => response.json()).then((data) => {
            alert(data["msg"]);
            window.location.reload();
          });
      }

    </script>
  </head>
  <body>
    <div class="mypic">
      <h1>나의 버킷리스트</h1>
    </div>
    <div class="mybox">
      <div class="mybucket">
        <input
          id="bucket"
          class="form-control"
          type="text"
          placeholder="이루고 싶은 것을 입력하세요"
        />
        <button onclick="save_bucket()" type="button" class="btn btn-outline-primary">기록하기</button>
      </div>
    </div>
    <div class="mybox" id="bucket-list">
      <li>
        <h2>✅ 호주에서 스카이다이빙 하기</h2>
      </li>
    </div>
  </body>
</html>










Tip 1) </> 아이콘을 눌러 코드박스를 만들어 보세요.
Tip 2) Ctrl+A(맥의 경우 Command+A) 단축키로 코드를 한 번에 선택할 수 있어요!
PS C:\Users\user\Desktop\spartr\projects\04.bucket> & c:/Users/user/Desktop/spartr/projects/04.bucket/venv/Scripts/Activate.ps1
(venv) PS C:\Users\user\Desktop\spartr\projects\04.bucket> & c:/Users/user/Desktop/spartr/projects/04.bucket/venv/Scripts/python.exe c:/Users/user/Desktop/spartr/projects/04.bucket/app.py
 * Serving Flask app 'app'
 * Debug mode: on
WARNING: This is a development server. Do not use it in a production deployment. Use a production WSGI server instead.
 * Running on all addresses (0.0.0.0)
 * Running on http://127.0.0.1:5000
 * Running on http://175.196.65.81:5000
Press CTRL+C to quit
 * Restarting with stat
 * Debugger is active!
 * Debugger PIN: 132-139-275
127.0.0.1 - - [01/Apr/2023 14:20:41] "GET / HTTP/1.1" 500 -
Traceback (most recent call last):
 File "C:\Users\user\Desktop\spartr\projects\04.bucket\venv\lib\site-packages\flask\app.py", line 2551, in __call__
  return self.wsgi_app(environ, start_response)
 File "C:\Users\user\Desktop\spartr\projects\04.bucket\venv\lib\site-packages\flask\app.py", line 2531, in wsgi_app
  response = self.handle_exception(e)
 File "C:\Users\user\Desktop\spartr\projects\04.bucket\venv\lib\site-packages\flask\app.py", line 2528, in wsgi_app
  response = self.full_dispatch_request()
 File "C:\Users\user\Desktop\spartr\projects\04.bucket\venv\lib\site-packages\flask\app.py", line 1825, in full_dispatch_request
  rv = self.handle_user_exception(e)
 File "C:\Users\user\Desktop\spartr\projects\04.bucket\venv\lib\site-packages\flask\app.py", line 1823, in full_dispatch_request
  rv = self.dispatch_request()
 File "C:\Users\user\Desktop\spartr\projects\04.bucket\venv\lib\site-packages\flask\app.py", line 1799, in dispatch_request
  return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
 File "c:\Users\user\Desktop\spartr\projects\04.bucket\app.py", line 6, in home
  return render_template('index.html')
 File "C:\Users\user\Desktop\spartr\projects\04.bucket\venv\lib\site-packages\flask\templating.py", line 146, in render_template
  template = app.jinja_env.get_or_select_template(template_name_or_list)
 File "C:\Users\user\Desktop\spartr\projects\04.bucket\venv\lib\site-packages\jinja2\environment.py", line 1081, in get_or_select_template  
  return self.get_template(template_name_or_list, parent, globals)  
 File "C:\Users\user\Desktop\spartr\projects\04.bucket\venv\lib\site-packages\jinja2\environment.py", line 1010, in get_template
  return self._load_template(name, globals)
 File "C:\Users\user\Desktop\spartr\projects\04.bucket\venv\lib\site-packages\jinja2\environment.py", line 969, in _load_template
  template = self.loader.load(self, name, self.make_globals(globals)) File "C:\Users\user\Desktop\spartr\projects\04.bucket\venv\lib\site-packages\jinja2\loaders.py", line 126, in load
  source, filename, uptodate = self.get_source(environment, name)   
 File "C:\Users\user\Desktop\spartr\projects\04.bucket\venv\lib\site-packages\flask\templating.py", line 62, in get_source
  return self._get_source_fast(environment, template)
 File "C:\Users\user\Desktop\spartr\projects\04.bucket\venv\lib\site-packages\flask\templating.py", line 98, in _get_source_fast
  raise TemplateNotFound(template)
jinja2.exceptions.TemplateNotFound: index.html
127.0.0.1 - - [01/Apr/2023 14:21:00] "GET / HTTP/1.1" 500 -
Traceback (most recent call last):
 File "C:\Users\user\Desktop\spartr\projects\04.bucket\venv\lib\site-packages\flask\app.py", line 2551, in __call__
  return self.wsgi_app(environ, start_response)
 File "C:\Users\user\Desktop\spartr\projects\04.bucket\venv\lib\site-packages\flask\app.py", line 2531, in wsgi_app
  response = self.handle_exception(e)
 File "C:\Users\user\Desktop\spartr\projects\04.bucket\venv\lib\site-packages\flask\app.py", line 2528, in wsgi_app
  response = self.full_dispatch_request()
 File "C:\Users\user\Desktop\spartr\projects\04.bucket\venv\lib\site-packages\flask\app.py", line 1825, in full_dispatch_request
  rv = self.handle_user_exception(e)
 File "C:\Users\user\Desktop\spartr\projects\04.bucket\venv\lib\site-packages\flask\app.py", line 1823, in full_dispatch_request
  rv = self.dispatch_request()
 File "C:\Users\user\Desktop\spartr\projects\04.bucket\venv\lib\site-packages\flask\app.py", line 1799, in dispatch_request
  return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
 File "c:\Users\user\Desktop\spartr\projects\04.bucket\app.py", line 6, in home
  return render_template('index.html')
 File "C:\Users\user\Desktop\spartr\projects\04.bucket\venv\lib\site-packages\flask\templating.py", line 146, in render_template
  template = app.jinja_env.get_or_select_template(template_name_or_list)
 File "C:\Users\user\Desktop\spartr\projects\04.bucket\venv\lib\site-packages\jinja2\environment.py", line 1081, in get_or_select_template  
  return self.get_template(template_name_or_list, parent, globals)  
 File "C:\Users\user\Desktop\spartr\projects\04.bucket\venv\lib\site-packages\jinja2\environment.py", line 1010, in get_template
  return self._load_template(name, globals)
 File "C:\Users\user\Desktop\spartr\projects\04.bucket\venv\lib\site-packages\jinja2\environment.py", line 969, in _load_template
  template = self.loader.load(self, name, self.make_globals(globals)) File "C:\Users\user\Desktop\spartr\projects\04.bucket\venv\lib\site-packages\jinja2\loaders.py", line 126, in load
  source, filename, uptodate = self.get_source(environment, name)   
 File "C:\Users\user\Desktop\spartr\projects\04.bucket\venv\lib\site-packages\flask\templating.py", line 62, in get_source
  return self._get_source_fast(environment, template)
 File "C:\Users\user\Desktop\spartr\projects\04.bucket\venv\lib\site-packages\flask\templating.py", line 98, in _get_source_fast
  raise TemplateNotFound(template)
jinja2.exceptions.TemplateNotFound: index.html
127.0.0.1 - - [01/Apr/2023 14:21:00] "GET /?__debugger__=yes&cmd=resource&f=style.css HTTP/1.1" 304 -
127.0.0.1 - - [01/Apr/2023 14:21:00] "GET /?__debugger__=yes&cmd=resource&f=debugger.js HTTP/1.1" 304 -
127.0.0.1 - - [01/Apr/2023 14:21:00] "GET /?__debugger__=yes&cmd=resource&f=console.png HTTP/1.1" 304 -


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