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

0 vote256 views1 answer
Linking bootstrap in flask
Python Flask
0 vote260 views1 answer
Get flask version
Python Flask
1 vote238 views1 answer
Python flask display variable in html
Python Flask
0 vote260 views2 answers
Flask upload file to s3
Python Flask
0 vote258 views1 answer
Flask remove file after send_file
Python Flask
1 vote253 views1 answer
Posted data to flask
Python Flask
1 vote235 views1 answer
Requirements.txt flask
Python Flask
0 vote265 views1 answer
Flask stream with data/context
Python Flask
0 vote254 views1 answer
Why am i not able to import wtf flask
Python Flask
1 vote235 views4 answers
Flask activ environment
Python Flask