我正在尝试通过 Flask-mail 使用 gevent 在 Flask 中异步发送电子邮件。我正在“在应用程序上下文之外工作”。我知道 app.app_context() 但我无法让它与我的设置一起使用。
我的应用程序是使用这样的应用程序工厂创建的:
我的项目/run_dev.py
from gevent.wsgi import WSGIServer
from my_project.app import create_app
from my_project.config import DevConfig
app = create_app(DevConfig)
http_server = WSGIServer(('', 5000), app)
http_server.serve_forever()
我的项目/我的项目/app.py
def create_app(config=None, app_name=None, blueprints=None):
app = Flask(app_name)
configure_app(app, config)
<other stuff>
return app
以及我用来发送电子邮件的代码:
myproject/myproject/mymodule/views.py
@mymodule.route('/some/path/')
def do_something():
do_stuff(something)
myproject/myproject/mymodule/utils.py
def do_stuff(something):
send_email(msg)
@async
def send_async_email(msg):
mail.send(msg)
def send_mail(request_id, recipients, email_type, env=None, pool=None):
msg = Message(
sender=sender,
recipients=recipients,
subject=subject,
body=body)
send_async_email(msg)
myproject/myproject/decorators.py
def async(f):
def wrapper(*args, **kwargs):
t = Greenlet.spawn(f, *args, **kwargs)
gevent.joinall([t])
return wrapper
我尝试添加:
from myproject.app import create_app
app = create_app()
with app.app_context():
mail.send(msg)
到 send_async_email() 但后来我得到
导入错误:无法导入名称 create_app