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Create desktop applications with Flask!

Project description


Create desktop applications with Flask!


pip install flaskwebgui


from flask import Flask
from flaskwebgui import FlaskUI #get the FlaskUI class

app = Flask(__name__)

# Feed it the flask app instance 
ui = FlaskUI(app)

# do your logic as usual in Flask
def index():
return "It works!"

# call the 'run' method


Default FlaskUI class parameters:

  • app, ==> flask class instance (required)

  • width=800 ==> default width 800

  • height=600 ==> default height 600

  • fullscreen=false ==> start app in fullscreen

  • app_mode=True ==> by default it will start chrome in app(desktop) mode without address bar

  • browser_path="", ==> full path to browser.exe ("C:/browser_folder/chrome.exe" -needed if you want to start a specific browser)

  • server="flask" ==> the default backend framework is flask, but you can add a function which starts the desired server for your choosed framework (bottle, django, web2py pyramid etc)

  • host="" ==> specify other if needed

  • port=5000 ==> specify other if needed

Should work on windows/linux/mac with no isssues.

If browser is not found, this would be quick fix: FlaskUI (app, browser_path=r"path/to/chrome.exe")

The recommended way of using flaskwebgui

  • Download portable Chromium for the your targeted os
  • place the extracted portable app next to "" file,
  • flaskwebgui will look for chrome.exe/.app/.sh In this way when you distribute it, you don't need users to have chrome installed, it will work like a portable app.

Also, during development of your app do that in the normal way you do a Flask app without flaskwebgui. Use flaskwebgui only when you are finished the app(test the app) and ready to deploy.

flaskwebgui doesn't interfere with your way of doing a flask application it just helps converting it into a desktop app more easily with pyinstaller or pyvan


You can distribute it as a standalone desktop app with pyinstaller or pyvan.


It's a combination of and

flaskwebgui just uses threading to start a flask server and the browser in app mode (for chrome). It has some advantages over flask-desktop because it doesn't use PyQt5, so you won't have any issues regarding licensing and over Eel because you don't need to learn any logic other than Flask. Submit any questions issues you have! Fell free to fork it and improve it if you want!

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