webapp2 with Python 3.11 on Google App Engine Standard

Create a new virtual environment:

virtualenv -p python3.11 env

To activate the environment:

source env/bin/activate

Then run:

pip install -r requirements.txt

Afterwards, to run the webserver:

python main.py

To test with gcloud SDK, first get out of the virtual environment:

deactivate

Then run the gcloud SDK shortcut to set up a temporary local GAE instance supporting Python 3.11:

dev_appserver.py app.yaml