Utiliser Flask-Mail pour envoyer des e-mails via Gmail- socket.gaierr
-
20-12-2019 - |
Question
Je construis une page de contact simple en utilisant Flask et Flask-Mail.J'ai construit l'application en suivant ce tutoriel - Ajouter une page de contact - et maintenant, quand j'essaie d'envoyer le message, je reçois l'erreur gaierror: [Errno -2] Name or service not known
.Je recherche l'erreur sur Google depuis un moment et je ne trouve aucun exemple similaire en ligne.Je n'arrive même pas à comprendre quel nom ou quel service il ne trouve pas.
La page de traçage me permettra de développer une ligne et d'exécuter du code Python.Il fournit un dump()
fonction qui me montrera toutes les variables et pourra être appelée sur des objets pour voir leurs informations si cela peut aider.
routes.py :
from forms import ContactForm
from flask.ext.mail import Message, Mail
mail = Mail()
app = Flask(__name__)
app.secret_key = 'development key'
app.config['MAIL_SERVER'] = 'smtp.google.com'
app.config['MAIL_PORT'] = 465
app.config['MAIL_USE_SSL'] = True
app.config['MAIL_USERNAME'] = 'email'
app.config['MAIL_PASSWORD'] = 'password'
mail.init_app(app)
@app.route('/contact', methods=['GET', 'POST'])
def contact():
form = ContactForm()
if request.method == 'POST':
if not form.validate():
la forme:
from flask.ext.wtf import Form, validators
from wtforms.fields import TextField, TextAreaField, SubmitField
import wtforms
class ContactForm(Form):
name = TextField("Name", [wtforms.validators.Required('Please enter your name')])
email = TextField("Email", [wtforms.validators.Required('Please enter your email'), wtforms.validators.Email()])
subject = TextField("Subject", [wtforms.validators.Required('Please enter a subject')])
message = TextAreaField("Message", [wtforms.validators.Required('Please enter a message')])
submit = SubmitField("Send")
flash('All fields are required.')
return render_template('contact.html', form=form)
else:
msg = Message(form.subject.data, sender='imauld@gmail.com', recipients=['imauld@gmail.com'])
msg.body = """From: %s <%s> %s""" % (form.name.data, form.email.data, form.message.data)
mail.send(msg)
return render_template('contact.html', success=True)
elif request.method == 'GET':
return render_template('contact.html', form=form)
le traçage :
File "/home/ian/PycharmProjects/flaskapp/lib/python2.7/site-packages/flask/app.py", line 1836, in __call__
return self.wsgi_app(environ, start_response)
File "/home/ian/PycharmProjects/flaskapp/lib/python2.7/site-packages/flask/app.py", line 1820, in wsgi_app
response = self.make_response(self.handle_exception(e))
File "/home/ian/PycharmProjects/flaskapp/lib/python2.7/site-packages/flask/app.py", line 1403, in handle_exception
reraise(exc_type, exc_value, tb)
File "/home/ian/PycharmProjects/flaskapp/lib/python2.7/site-packages/flask/app.py", line 1817, in wsgi_app
response = self.full_dispatch_request()
File "/home/ian/PycharmProjects/flaskapp/lib/python2.7/site-packages/flask/app.py", line 1477, in full_dispatch_request
rv = self.handle_user_exception(e)
File "/home/ian/PycharmProjects/flaskapp/lib/python2.7/site-packages/flask/app.py", line 1381, in handle_user_exception
reraise(exc_type, exc_value, tb)
File "/home/ian/PycharmProjects/flaskapp/lib/python2.7/site-packages/flask/app.py", line 1475, in full_dispatch_request
rv = self.dispatch_request()
File "/home/ian/PycharmProjects/flaskapp/lib/python2.7/site-packages/flask/app.py", line 1461, in dispatch_request
return self.view_functions[rule.endpoint](**req.view_args)
File "/home/ian/PycharmProjects/flaskapp/app/routes.py", line 39, in contact
mail.send(msg)
File "/home/ian/PycharmProjects/flaskapp/lib/python2.7/site-packages/flask_mail.py", line 415, in send
with self.connect() as connection:
File "/home/ian/PycharmProjects/flaskapp/lib/python2.7/site-packages/flask_mail.py", line 123, in __enter__
self.host = self.configure_host()
File "/home/ian/PycharmProjects/flaskapp/lib/python2.7/site-packages/flask_mail.py", line 135, in configure_host
host = smtplib.SMTP_SSL(self.mail.server, self.mail.port)
File "/usr/lib/python2.7/smtplib.py", line 776, in __init__
SMTP.__init__(self, host, port, local_hostname, timeout)
File "/usr/lib/python2.7/smtplib.py", line 249, in __init__
(code, msg) = self.connect(host, port)
File "/usr/lib/python2.7/smtplib.py", line 309, in connect
self.sock = self._get_socket(host, port, self.timeout)
File "/usr/lib/python2.7/smtplib.py", line 781, in _get_socket
new_socket = socket.create_connection((host, port), timeout)
File "/usr/lib/python2.7/socket.py", line 553, in create_connection
for res in getaddrinfo(host, port, 0, SOCK_STREAM):
gaierror: [Errno -2] Name or service not known
La solution
J'ai les paramètres suivants qui fonctionnent pour moi
app.config['MAIL_SERVER']='smtp.gmail.com'
app.config['MAIL_PORT'] = 465
app.config['MAIL_USERNAME'] = 'xx@gmail.com'
app.config['MAIL_PASSWORD'] = 'xx;'
app.config['MAIL_USE_TLS'] = False
app.config['MAIL_USE_SSL'] = True
Notez ce paramètre MAIL_USE_TLS que j'ai.Je ne sais pas non plus si cela est important, mais votre MAIL_SERVER est défini sur smtp.google.com alors que le mien est smtp.gmail.com.
MODIFIER:Comme confirmé, le principal problème était que votre hôte SMTP n'était pas correctement configuré.Cela devrait toujours être smtp.gmail.com