flask notes

hello_flask.py

from flask import Flask

# create an instance of the Flask class
app = Flask(__name__)

# create a route with the route decorator
#  it binds a route to a function
@app.route('/')
def hello():
  print "Hello, from Flask!"

# run the app if the module is being called by itself
if __name__ == 'main':
  app.run()

make-server-listen-on-all-ips.py

# run the app on all IPs
if __name__ == 'main':
  app.run(host='0.0.0.0')

run-in-debug-mode.py

# run the app in debug
#   will print debug messages
#   will automatically restart when code changes
if __name__ == 'main':
  app.run(debug=True)


# OR easier to comment out
if __name__ == 'main':
  app.debug = True
  app.run()