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

0 vote312 views2 answers
Flask return html
Python Flask
3 votes321 views1 answer
Flask secret key generator
Python Flask
6 votes313 views1 answer
Button in flask
Python Flask
1 vote318 views1 answer
How to config your flask for gmail
Python Flask
0 vote305 views1 answer
Linking bootstrap in flask
Python Flask
18 votes336 views4 answers
Flask page
Python Flask
2 votes311 views1 answer
Flask if statement
Python Flask
2 votes311 views2 answers
'flask' is not recognized as an internal or external command, operable program or batch file.
Python Flask
9 votes327 views2 answers
Flask how to run app
Python Flask
0 vote285 views10 answers
Sqlite3 with flask web application CRUD pdf
Python Flask