Flask run

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

Default flask app

from flask import Flask
app = Flask(__name__)

@app.route('/')
def index():
    return 'Flask'

Flask.pocoo.org quickstart

from flask import Flask
app = Flask(__name__)

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

Source: flask.palletsprojects.com

Debug flask powershel

$env:FLASK_ENV = "development"

Source: stackoverflow.com

Flask run

app = Flask(__name__)

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

Similar codes

4 votes385 views3 answers
How to change port in flask app
Python Flask
0 vote357 views1 answer
Flask echo server
Python Flask
0 vote375 views1 answer
Disable console messages in Flask server
Python Flask
0 vote404 views1 answer
CACHE_TYPE flask
Python Flask
34 votes430 views6 answers
Flask example
Python Flask
0 vote389 views1 answer
Flask mongoengine getting started
Python Flask
0 vote341 views1 answer
Flask debugtoolbar
Python Flask
3 votes404 views1 answer
Flask secret key generator
Python Flask
0 vote345 views1 answer
Python flask how to remove last character from string
Python Flask
2 votes410 views1 answer
Flask minimul app
Python Flask