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4-6 붙여넣기만 했는데 TemplateNotFound
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답변 완료

코드 붙여넣고 또 app이 들여쓰기가 안 되어있어서 들여쓰기만 했는데

localhost:5000 새로고침하면 아래와 같이 페이지가 뜹니다.

스파르타 즉문즉답

들여쓰기한 부분입니다.

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

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

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

@app.route("/mars", methods=["GET"])
def web_mars_get():
    return jsonify({'msg': 'GET 연결 완료!'})

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


하단 메세지 부분입니다.

C:\Users\admin\Desktop\sparta\projects\mars\venv\Scripts\python.exe C:/Users/admin/Desktop/sparta/projects/mars/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://192.168.0.16:5000

Press CTRL+C to quit

 * Restarting with stat

 * Debugger is active!

 * Debugger PIN: 656-021-160

127.0.0.1 - - [13/Aug/2022 17:13:03] "GET / HTTP/1.1" 500 -

Traceback (most recent call last):

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\app.py", line 2548, in __call__

  return self.wsgi_app(environ, start_response)

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\app.py", line 2528, in wsgi_app

  response = self.handle_exception(e)

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\app.py", line 2525, in wsgi_app

  response = self.full_dispatch_request()

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\app.py", line 1822, in full_dispatch_request

  rv = self.handle_user_exception(e)

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\app.py", line 1820, in full_dispatch_request

  rv = self.dispatch_request()

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\app.py", line 1796, in dispatch_request

  return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)

 File "C:\Users\admin\Desktop\sparta\projects\mars\app.py", line 6, in home

  return render_template('index.html')

 File "C:\Users\admin\Desktop\sparta\projects\mars\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\admin\Desktop\sparta\projects\mars\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\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\jinja2\environment.py", line 1010, in get_template

  return self._load_template(name, globals)

 File "C:\Users\admin\Desktop\sparta\projects\mars\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\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\jinja2\loaders.py", line 126, in load

  source, filename, uptodate = self.get_source(environment, name)

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\templating.py", line 62, in get_source

  return self._get_source_fast(environment, template)

 File "C:\Users\admin\Desktop\sparta\projects\mars\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 - - [13/Aug/2022 17:13:03] "GET /?__debugger__=yes&cmd=resource&f=style.css HTTP/1.1" 304 -

127.0.0.1 - - [13/Aug/2022 17:13:03] "GET /?__debugger__=yes&cmd=resource&f=debugger.js HTTP/1.1" 304 -

127.0.0.1 - - [13/Aug/2022 17:13:03] "GET /?__debugger__=yes&cmd=resource&f=console.png HTTP/1.1" 304 -

127.0.0.1 - - [13/Aug/2022 17:13:03] "GET /?__debugger__=yes&cmd=resource&f=console.png HTTP/1.1" 304 -

127.0.0.1 - - [13/Aug/2022 17:14:25] "GET / HTTP/1.1" 500 -

Traceback (most recent call last):

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\app.py", line 2548, in __call__

  return self.wsgi_app(environ, start_response)

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\app.py", line 2528, in wsgi_app

  response = self.handle_exception(e)

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\app.py", line 2525, in wsgi_app

  response = self.full_dispatch_request()

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\app.py", line 1822, in full_dispatch_request

  rv = self.handle_user_exception(e)

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\app.py", line 1820, in full_dispatch_request

  rv = self.dispatch_request()

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\app.py", line 1796, in dispatch_request

  return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)

 File "C:\Users\admin\Desktop\sparta\projects\mars\app.py", line 6, in home

  return render_template('index.html')

 File "C:\Users\admin\Desktop\sparta\projects\mars\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\admin\Desktop\sparta\projects\mars\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\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\jinja2\environment.py", line 1010, in get_template

  return self._load_template(name, globals)

 File "C:\Users\admin\Desktop\sparta\projects\mars\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\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\jinja2\loaders.py", line 126, in load

  source, filename, uptodate = self.get_source(environment, name)

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\templating.py", line 62, in get_source

  return self._get_source_fast(environment, template)

 File "C:\Users\admin\Desktop\sparta\projects\mars\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 - - [13/Aug/2022 17:14:25] "GET /?__debugger__=yes&cmd=resource&f=style.css HTTP/1.1" 304 -

127.0.0.1 - - [13/Aug/2022 17:14:25] "GET /?__debugger__=yes&cmd=resource&f=debugger.js HTTP/1.1" 304 -

127.0.0.1 - - [13/Aug/2022 17:14:26] "GET /?__debugger__=yes&cmd=resource&f=console.png HTTP/1.1" 304 -

127.0.0.1 - - [13/Aug/2022 17:14:26] "GET /?__debugger__=yes&cmd=resource&f=console.png HTTP/1.1" 304 -

127.0.0.1 - - [13/Aug/2022 17:16:59] "GET / HTTP/1.1" 500 -

Traceback (most recent call last):

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\app.py", line 2548, in __call__

  return self.wsgi_app(environ, start_response)

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\app.py", line 2528, in wsgi_app

  response = self.handle_exception(e)

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\app.py", line 2525, in wsgi_app

  response = self.full_dispatch_request()

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\app.py", line 1822, in full_dispatch_request

  rv = self.handle_user_exception(e)

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\app.py", line 1820, in full_dispatch_request

  rv = self.dispatch_request()

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\app.py", line 1796, in dispatch_request

  return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)

 File "C:\Users\admin\Desktop\sparta\projects\mars\app.py", line 6, in home

  return render_template('index.html')

 File "C:\Users\admin\Desktop\sparta\projects\mars\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\admin\Desktop\sparta\projects\mars\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\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\jinja2\environment.py", line 1010, in get_template

  return self._load_template(name, globals)

 File "C:\Users\admin\Desktop\sparta\projects\mars\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\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\jinja2\loaders.py", line 126, in load

  source, filename, uptodate = self.get_source(environment, name)

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\templating.py", line 62, in get_source

  return self._get_source_fast(environment, template)

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\templating.py", line 98, in _get_source_fast

  raise TemplateNotFound(template)

jinja2.exceptions.TemplateNotFound: index.html

192.168.0.16 - - [13/Aug/2022 17:17:59] "GET / HTTP/1.1" 500 -

Traceback (most recent call last):

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\app.py", line 2548, in __call__

  return self.wsgi_app(environ, start_response)

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\app.py", line 2528, in wsgi_app

  response = self.handle_exception(e)

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\app.py", line 2525, in wsgi_app

  response = self.full_dispatch_request()

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\app.py", line 1822, in full_dispatch_request

  rv = self.handle_user_exception(e)

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\app.py", line 1820, in full_dispatch_request

  rv = self.dispatch_request()

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\app.py", line 1796, in dispatch_request

  return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)

 File "C:\Users\admin\Desktop\sparta\projects\mars\app.py", line 6, in home

  return render_template('index.html')

 File "C:\Users\admin\Desktop\sparta\projects\mars\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\admin\Desktop\sparta\projects\mars\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\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\jinja2\environment.py", line 1010, in get_template

  return self._load_template(name, globals)

 File "C:\Users\admin\Desktop\sparta\projects\mars\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\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\jinja2\loaders.py", line 126, in load

  source, filename, uptodate = self.get_source(environment, name)

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\templating.py", line 62, in get_source

  return self._get_source_fast(environment, template)

 File "C:\Users\admin\Desktop\sparta\projects\mars\venv\lib\site-packages\flask\templating.py", line 98, in _get_source_fast

  raise TemplateNotFound(template)

jinja2.exceptions.TemplateNotFound: index.html

192.168.0.16 - - [13/Aug/2022 17:17:59] "GET /?__debugger__=yes&cmd=resource&f=style.css HTTP/1.1" 200 -

192.168.0.16 - - [13/Aug/2022 17:17:59] "GET /?__debugger__=yes&cmd=resource&f=debugger.js HTTP/1.1" 200 -

192.168.0.16 - - [13/Aug/2022 17:17:59] "GET /?__debugger__=yes&cmd=resource&f=console.png HTTP/1.1" 200 -

192.168.0.16 - - [13/Aug/2022 17:17:59] "GET /?__debugger__=yes&cmd=resource&f=console.png HTTP/1.1" 304 -

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