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 vote333 views1 answer
Question command python
Python
0 vote309 views1 answer
File "main.py", line 11 if message.author == client.user: ^ IndentationError: expected an indented block
Python
9 votes315 views1 answer
Mac upgrade python to 3.8
Python
4 votes351 views2 answers
Remove columns that start with pandas
Python
28 votes324 views2 answers
Wintp python manage.py createsuperuser
Python
3 votes336 views1 answer
Pandas groupby column count distinct values
Python
2 votes340 views1 answer
Python delete the last line of console
Python
0 vote315 views1 answer
Python add month datetime
Python
0 vote336 views1 answer
Python logging to syslog linux
Python
-1 vote342 views3 answers
Try using .loc[row_indexer,col_indexer] = value instead
Python