Flask minimal 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.pocoo.org quickstart

from flask import Flask
app = Flask(__name__)

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

Source: flask.palletsprojects.com

Flask minimal app

from flask import Flask
app = Flask(__name__)

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

Flask minimal install

from flask import Flask
app = Flask(__name__)

@app.route("/")
def hello_world():
    return "<p>Hello, World!</p>"

app.run()
# or
app.run(debug = True)

Source: flask.palletsprojects.com

Export flask app

> set FLASK_APP=hello
> flask run

Source: flask.palletsprojects.com

Similar codes

1 vote381 views1 answer
How to get images on flask page
Python Flask
0 vote350 views1 answer
Use mark down with flask
Python Flask
14 votes420 views6 answers
What is flask
Python Flask
1 vote328 views2 answers
Flask console log
Python Flask
0 vote395 views1 answer
Flask minimal install
Python Flask
0 vote327 views1 answer
Flask mongoengine configuration
Python Flask
0 vote360 views1 answer
Flask migrate multiple heads
Python Flask
2 votes451 views1 answer
How to return images in flask response?
Python Flask
1 vote333 views3 answers
Python venv flask
Python Flask
2 votes328 views1 answer
Minimal flask application import
Python Flask