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 vote323 views1 answer
How to select li element in selenium python
Python
0 vote331 views1 answer
Two labels on one axis python
Python
1 vote318 views1 answer
How to have add break for a few seconds in python
Python
1 vote312 views1 answer
Pie
Python
0 vote292 views1 answer
@login_required
Python
0 vote313 views1 answer
We want to estimate the cost of painting a property. Interior wall painting cost is Rs.18 per sq.ft. and exterior wall painting cost is Rs.12 per sq.ft.
Python
3 votes339 views5 answers
Remove unnamed 0 column pandas
Python
2 votes266 views2 answers
Python threading return value
Python
0 vote313 views1 answer
How to subtract a day from a date?
Python
0 vote302 views1 answer
Python random email generator
Python