Sprache Ändern in ExampleApp soll keine Fehler verursachen
Schritte zum reproduzieren
Repo auschecken, dann im Projektverzeichnis:
python3 example_ap.pyIm Browser 'http://localhost:5000/change-lan' öffnen. Wichtig ist, das noch keine sitzung für die seite existiert.
Fehlerausgabe:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/flask/app.py", line 1997, in __call__
return self.wsgi_app(environ, start_response)
File "/usr/lib/python3/dist-packages/flask/app.py", line 1985, in wsgi_app
response = self.handle_exception(e)
File "/usr/lib/python3/dist-packages/flask/app.py", line 1540, in handle_exception
reraise(exc_type, exc_value, tb)
File "/usr/lib/python3/dist-packages/flask/_compat.py", line 33, in reraise
raise value
File "/usr/lib/python3/dist-packages/flask/app.py", line 1982, in wsgi_app
response = self.full_dispatch_request()
File "/usr/lib/python3/dist-packages/flask/app.py", line 1614, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/usr/lib/python3/dist-packages/flask/app.py", line 1517, in handle_user_exception
reraise(exc_type, exc_value, tb)
File "/usr/lib/python3/dist-packages/flask/_compat.py", line 33, in reraise
raise value
File "/usr/lib/python3/dist-packages/flask/app.py", line 1612, in full_dispatch_request
rv = self.dispatch_request()
File "/usr/lib/python3/dist-packages/flask/app.py", line 1598, in dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File "/home/bvetter/Python/hub-zib-v2/ExampleApp/Main/__init__.py", line 11, in change_lang
session['language'], request.args.get('lang')) )
File "/usr/lib/python3/dist-packages/werkzeug/local.py", line 373, in <lambda>
__getitem__ = lambda x, i: x._get_current_object()[i]
KeyError: 'language'Was sollte passieren
Die Seite zum Ändern der Sprache sollte Fehlerfrei angezeigt werden.