前提・実現したいこと
Internal server errorを解決したい
発生している問題・エラーメッセージ
Flaskでhello.pyのrender_template を使ってindex.htmlと連携させようとしているときに
エラーが起こりました。
ちなみにhello.pyだけであれば、powershellで実行し、ブラウザで開くとちゃんと表示されます。
PS C:\Users\kayoc\Documents\myapp> pip3 install flask
Requirement already satisfied: flask in c:\users\kayoc\appdata\local\programs\python\python37\lib\site-packages (1.0.2)
Requirement already satisfied: itsdangerous>=0.24 in c:\users\kayoc\appdata\local\programs\python\python37\lib\site-packages (from flask) (1.1.0)
Requirement already satisfied: click>=5.1 in c:\users\kayoc\appdata\local\programs\python\python37\lib\site-packages (from flask) (7.0)
Requirement already satisfied: Jinja2>=2.10 in c:\users\kayoc\appdata\local\programs\python\python37\lib\site-packages (from flask)
(2.10)
Requirement already satisfied: Werkzeug>=0.14 in c:\users\kayoc\appdata\local\programs\python\python37\lib\site-packages (from flask) (0.14.1)
Requirement already satisfied: MarkupSafe>=0.23 in c:\users\kayoc\appdata\local\programs\python\python37\lib\site-packages (from Jinja2>=2.10->flask) (1.1.0)
PS C:\Users\kayoc\Documents\myapp>
PS C:\Users\kayoc\Documents\myapp> $env:FLASK_APP="hello.py"
PS C:\Users\kayoc\Documents\myapp> flask run
- Serving Flask app "hello.py"
- Environment: production
WARNING: Do not use the development server in a production environment.
Use a production WSGI server instead. - Debug mode: off
- Running on http://127.0.0.1:5000/ (Press CTRL+C to quit)
[2019-03-24 10:33:40,338] ERROR in app: Exception on / [GET]
Traceback (most recent call last):
File "c:\users\kayoc\appdata\local\programs\python\python37\lib\site-packages\flask\app.py", line 2292, in wsgi_app
response = self.full_dispatch_request()
File "c:\users\kayoc\appdata\local\programs\python\python37\lib\site-packages\flask\app.py", line 1815, in full_dispatch_request
rv = self.handle_user_exception(e)
File "c:\users\kayoc\appdata\local\programs\python\python37\lib\site-packages\flask\app.py", line 1718, in handle_user_exception
reraise(exc_type, exc_value, tb)
File "c:\users\kayoc\appdata\local\programs\python\python37\lib\site-packages\flask_compat.py", line 35, in reraise
raise value
File "c:\users\kayoc\appdata\local\programs\python\python37\lib\site-packages\flask\app.py", line 1813, in full_dispatch_request
rv = self.dispatch_request()
File "c:\users\kayoc\appdata\local\programs\python\python37\lib\site-packages\flask\app.py", line 1799, in dispatch_request
return self.view_functionsrule.endpoint
File "C:\Users\kayoc\Documents\myapp\hello.py", line 7, in hello_world
return render_template("index.html", name_value = name)
File "c:\users\kayoc\appdata\local\programs\python\python37\lib\site-packages\flask\templating.py", line 134, in render_template
return _render(ctx.app.jinja_env.get_or_select_template(template_name_or_list),
File "c:\users\kayoc\appdata\local\programs\python\python37\lib\site-packages\jinja2\environment.py", line 869, in get_or_select_template
return self.get_template(template_name_or_list, parent, globals)
File "c:\users\kayoc\appdata\local\programs\python\python37\lib\site-packages\jinja2\environment.py", line 830, in get_template
return self._load_template(name, self.make_globals(globals))
File "c:\users\kayoc\appdata\local\programs\python\python37\lib\site-packages\jinja2\environment.py", line 804, in _load_template
template = self.loader.load(self, name, globals)
File "c:\users\kayoc\appdata\local\programs\python\python37\lib\site-packages\jinja2\loaders.py", line 113, in load
source, filename, uptodate = self.get_source(environment, name)
File "c:\users\kayoc\appdata\local\programs\python\python37\lib\site-packages\flask\templating.py", line 58, in get_source
return self._get_source_fast(environment, template)
File "c:\users\kayoc\appdata\local\programs\python\python37\lib\site-packages\flask\templating.py", line 86, in _get_source_fast
raise TemplateNotFound(template)
jinja2.exceptions.TemplateNotFound: index.html
127.0.0.1 - - [24/Mar/2019 10:33:40] "GET / HTTP/1.1" 500 -
該当のソースコード
](7e308c0eb4680b89bb435049376d0c1b.png)
試したこと
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2019/03/24 07:55 編集
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