私の質問が重複していない理由について説明します:TypeError:リスト( "str"ではなく)のみを連結できますリストフラスコのメールエラー:headers = [self.sender、self.reply_to] + self.recipients
...コードで連結演算子+が扱われるため、重複はありません。私の問題にはエラーメッセージの演算子がありますが、コードにはありません。
は、ここで私は(下記参照)トレースバックに目を通し、関連するフラスココードです...そして、それは犯罪が起こる場所である
mail.sent(msg)
ラインのように思えます。私は本当にこの問題を解決しようとしました。明らかに何かがmsgの内容に間違っています...しかし、私は何が分かりません。どんな助けでも大歓迎です!ここで
token = s.dumps(form.email.data, salt='email-confirm')
subject = 'subject goes here'
msg = Message(subject=subject, sender='[email protected]',
recipients=form.email.data)
link = url_for('confirm_email', token=token, _external=True)
pull_row = User.query.filter_by(email=form.email.data).first()
firstname = pull_row.firstname
msg.html = render_template("email_confirmationemail.html", link=link, name=firstname)
mail.send(msg)
return redirect(url_for('checkyouremail'))
は、トレースバックだからここ
2017-08-07T06:00:05.982678+00:00 app[web.1]: Traceback (most recent call last):
2017-08-07T06:00:05.982679+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/workers/sync.py", line 130, in handle
2017-08-07T06:00:05.982680+00:00 app[web.1]: self.handle_request(listener, req, client, addr)
2017-08-07T06:00:05.982681+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/gunicorn/workers/sync.py", line 171, in handle_request
2017-08-07T06:00:05.982681+00:00 app[web.1]: respiter = self.wsgi(environ, resp.start_response)
2017-08-07T06:00:05.982682+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/flask/app.py", line 1836, in __call__
2017-08-07T06:00:05.982682+00:00 app[web.1]: return self.wsgi_app(environ, start_response)
2017-08-07T06:00:05.982683+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/flask/app.py", line 1820, in wsgi_app
2017-08-07T06:00:05.982684+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/flask/app.py", line 1403, in handle_exception
2017-08-07T06:00:05.982684+00:00 app[web.1]: response = self.make_response(self.handle_exception(e))
2017-08-07T06:00:05.982685+00:00 app[web.1]: reraise(exc_type, exc_value, tb)
2017-08-07T06:00:05.982686+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/flask/_compat.py", line 33, in reraise
2017-08-07T06:00:05.982686+00:00 app[web.1]: raise value
2017-08-07T06:00:05.982687+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/flask/app.py", line 1817, in wsgi_app
2017-08-07T06:00:05.982688+00:00 app[web.1]: response = self.full_dispatch_request()
2017-08-07T06:00:05.982689+00:00 app[web.1]: rv = self.handle_user_exception(e)
2017-08-07T06:00:05.982688+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/flask/app.py", line 1477, in full_dispatch_request
2017-08-07T06:00:05.982690+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/flask/app.py", line 1381, in handle_user_exception
2017-08-07T06:00:05.982691+00:00 app[web.1]: reraise(exc_type, exc_value, tb)
2017-08-07T06:00:05.982691+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/flask/_compat.py", line 33, in reraise
2017-08-07T06:00:05.982692+00:00 app[web.1]: raise value
2017-08-07T06:00:05.982692+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/flask/app.py", line 1475, in full_dispatch_request
2017-08-07T06:00:05.982693+00:00 app[web.1]: rv = self.dispatch_request()
2017-08-07T06:00:05.982694+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/flask/app.py", line 1461, in dispatch_request
2017-08-07T06:00:05.982695+00:00 app[web.1]: File "/app/app.py", line 213, in login
2017-08-07T06:00:05.982695+00:00 app[web.1]: return self.view_functions[rule.endpoint](**req.view_args)
2017-08-07T06:00:05.982696+00:00 app[web.1]: mail.send(msg)
2017-08-07T06:00:05.982697+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/flask_mail.py", line 492, in send
2017-08-07T06:00:05.982697+00:00 app[web.1]: message.send(connection)
2017-08-07T06:00:05.982698+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/flask_mail.py", line 427, in send
2017-08-07T06:00:05.982698+00:00 app[web.1]: connection.send(self)
2017-08-07T06:00:05.982699+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/flask_mail.py", line 181, in send
2017-08-07T06:00:05.982700+00:00 app[web.1]: if message.has_bad_headers():
2017-08-07T06:00:05.982700+00:00 app[web.1]: File "/app/.heroku/python/lib/python3.6/site-packages/flask_mail.py", line 400, in has_bad_headers
2017-08-07T06:00:05.982701+00:00 app[web.1]: headers = [self.sender, self.reply_to] + self.recipients
2017-08-07T06:00:05.982704+00:00 app[web.1]: TypeError: can only concatenate list (not "str") to list
[TypeErrorの可能な複製:list( "str"ではなく)のみをリストに連結できます](https://stackoverflow.com/questions/19398993/typeerror-can-only-concatenate-list-not-str-to -list) – Nabin