Flask + uwsgi + nginx: TypeError: ... takes no arguments (2 given)

Question

I installed uwsgi with nginx on my ubuntu 12.04 homerserver and try to test a simple Flask-App:

from flask import Flask
app = Flask(__name__)

@app.route('/')
def application():
    return 'Hello World!'

if __name__ == '__main__':
    app.run()

with python app.py it works. But not with uwsgi --socket 127.0.0.1:3031 --file /srv/www/test/app.py --callable application --catch-exceptions

I just get a this error TypeError: application() takes no arguments (2 given) and don't know why. Where this two arguments come from?

Here is my uwsgi.conf:

  1 description "uWSGI Emperor"
  2 start on runlevel [2345]
  3 stop on runlevel [06]
  4 respawn
  5
  6 exec uwsgi --master --die-on-term --emperor /etc/uwsgi/apps-enabled

and my nginx.conf

server {
 94      listen 8000;
 95      server_name localhost;
 96      root /srv/www/test;
 97
 98      location /static/ {
 99      alias /srv/www/test/static/;
100      expires 30d;
101      access_log off;
102      }
103
104      location / {
105      include uwsgi_params;
106      uwsgi_pass 127.0.0.1:3031;
107  }
108 }

i try it before with an .ini-file in apps-enabled but i get this way errors too.

I hope that someone can help me. :\

roberto · Accepted Answer · 2013-02-13 06:16:47Z

4

"application" is a flask callable (defined by you) not a WSGI callable (like you configured in uWSGI). Your WSGI callable is "app" (the main entry point). Just change --callable application to --callable app

answered Feb 13, 2013 at 6:16

roberto

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