/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 vote327 views1 answer
Error: The file/path provided (flaskr) does not appear to exist. Please verify the path is correct. If app is not on PYTHONPATH, ensure the extension is .py
Python Flask
0 vote336 views2 answers
Flask lazy response style with `make_response`
Python Flask
0 vote315 views1 answer
Flask put request example
Python Flask
0 vote294 views1 answer
Flask gunicorn get ip
Python Flask
1 vote299 views1 answer
Flask return error response
Python Flask
0 vote338 views2 answers
Flask api abort
Python Flask
0 vote329 views1 answer
Flask remove file after send_file
Python Flask
0 vote318 views1 answer
Form is undefined flask
Python Flask
-1 vote292 views2 answers
Model deployment with flask
Python Flask
0 vote328 views1 answer
Flask session auto logout in 5 mins
Python Flask