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

1 vote137 views1 answer
Flask run app reset on change
Python Flask
9 votes199 views2 answers
Flask how to run app
Python Flask
0 vote204 views1 answer
Flask put request example
Python Flask
0 vote191 views1 answer
From flask_paginate import get_page_parameter
Python Flask
1 vote212 views1 answer
Debug flask powershel
Python Flask
0 vote186 views2 answers
Flask lazy response style with `make_response`
Python Flask
0 vote250 views1 answer
Flask request file push request(uploadedfile= request.file) uploadedfile.read()
Python Flask
0 vote183 views1 answer
Bash: line 1: templates/addtask.html: No such file or directory in flask app
Python Flask
0 vote179 views1 answer
At=error code=h10 desc= app crashed python flask
Python Flask
4 votes189 views2 answers
Flask get variable from url
Python Flask