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

3 votes158 views1 answer
Flask upload
Python Flask
3 votes220 views3 answers
Flask migrate
Python Flask
0 vote165 views1 answer
Flask remove file after send_file
Python Flask
0 vote166 views1 answer
Use mark down with flask
Python Flask
0 vote160 views1 answer
Flask decorator causes views to be named the same thing
Python Flask
0 vote141 views1 answer
Python flask how to remove last character from string
Python Flask
17 votes257 views4 answers
Flask render_template
Python Flask
1 vote180 views1 answer
Flask define template folder
Python Flask
18 votes266 views3 answers
Export flask app
Python Flask
0 vote156 views1 answer
Flask request post with json
Python Flask