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 votes197 views2 answers
Flask get variable from url
Python Flask
6 votes229 views2 answers
Flask form options
Python Flask
3 votes180 views1 answer
Default argument in flask route
Python Flask
1 vote203 views2 answers
Selenium text value is empty in flask returns
Python Flask
0 vote214 views1 answer
Flask put request example
Python Flask
1 vote221 views1 answer
Debug flask powershel
Python Flask
27 votes305 views4 answers
Flask tutorial
Python Flask
0 vote231 views1 answer
ImportError: cannot import name 'MigrateCommand' from 'flask_migrate'
Python Flask
0 vote196 views2 answers
Flask lazy response style with `make_response`
Python Flask
0 vote205 views1 answer
Flask Upload file to local s3
Python Flask