Export flask app

Simple flask app

# Extremely simple flask application, will display 'Hello World!' on the screen when you run it
# Access it by running it, then going to whatever port its running on (It'll say which port it's running on).
from flask import Flask
app = Flask(__name__)

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

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

Source: flask.palletsprojects.com

Flask how to run app

$ export FLASK_APP=hello.py
$ python -m flask run
 * Running on http://127.0.0.1:5000/

Source: flask.palletsprojects.com

Export flask app

> set FLASK_APP=hello
> flask run

Source: flask.palletsprojects.com

Similar codes

0 vote260 views1 answer
Flask debugtoolbar
Python Flask
15 votes320 views6 answers
Flask install
Python Flask
0 vote211 views1 answer
Flask_uploads.exceptions.UploadNotAllowed
Python Flask
0 vote217 views1 answer
Flash not defined python flask
Python Flask
0 vote249 views1 answer
Gevent with flask
Python Flask
1 vote245 views1 answer
Flask sending post request
Python Flask
0 vote232 views1 answer
Flask Upload file to local s3
Python Flask
0 vote268 views2 answers
How to refresh page in flask
Python Flask
0 vote292 views1 answer
Flask request file upload to dropbox
Python Flask
0 vote286 views1 answer
Flask get uploaded file size
Python Flask