/Python/Flask/Python flask sample application

Python flask sample application

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

Basic flask app python

#Import Flask, if not then install and import.

import os
try:
  from flask import *
except:
  os.system("pip3 install flask")
  from flask import *

app = Flask(__name__)

@app.route("/")
def index():
  return "<h1>Hello World</h1>"

if __name__ == "__main__":
  app.run(host="0.0.0.0", port=8080, debug=False)

Python flask sample application

from flask import *
app = Flask(__name__)

@app.route("/")
def index():
  return "<h1>Hello World</h1>"

if __name__ == "__main__":
  app.run(host="0.0.0.0", port=8080, debug=False)

Similar codes

0 vote204 views1 answer
Flask mongoengine getting started
Python Flask
0 vote212 views1 answer
Bash: line 1: templates/addtask.html: No such file or directory in flask app
Python Flask
5 votes258 views3 answers
How to run flask in port 80
Python Flask
0 vote218 views1 answer
Supervisor gunicorn virtualenv flask
Python Flask
0 vote237 views1 answer
Flask remove file after send_file
Python Flask
3 votes212 views3 answers
Import flask
Python Flask
0 vote211 views2 answers
How to get value from txtbox in flask
Python Flask
2 votes212 views1 answer
Run flask application in development mode stack overflow
Python Flask
6 votes225 views3 answers
Flask get ip of user
Python Flask
0 vote229 views1 answer
Open a python script on click flask
Python Flask