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Test of asynchronous flask communication with web page.
This repository is a sample flask application that updates a webpage using a background thread for all users connected. It is based on the very useful Flask-SocketIO code from Miguel Grinberg.
https://github.com/miguelgrinberg/Flask-SocketIO
To use - please clone the repository and then set up your virtual environment using the requirements.txt file with pip and virtualenv. You can achieve this with:
This project has been tested with Python 3.9.
git clone https://github.com/shanealynn/async_flask
cd async_flask
# Create a virtual environment
python3.9 -m venv venv
# Activate that virtual environment
source venv/bin/activate
# Install the project requirements.
pip install -r requirements.txt #(or in Windows - sometimes python -m pip install -r requirements.txt )
Start the application with:
python application.py
And visit http://localhost:5000 to see the updating numbers.
15-Jul-2014: Initial Version
19-May-2018: Update to Python3.3
10-Apr-2022:
- Update to Python3.9
- fixes for threading.isAlive() -> threading.is_alive()
- Update socketIO version on Frontend