Steps

1. Create python venv python -m venv .venv (3.10) example /c/Users/MSI/AppData/Local/Programs/Python/Python310/python -m venv .venv
2. Activate venv : source ./.venv/Scripts/activate
3. Upgrade pip python -m pip install --upgrade pip
4. Clone odoo16 git clone https://github.com/odoo/odoo.git odoo_repo --depth=1 --branch=16.0 5. link odoo to .venv site package (get odoo library dir and config from server) example mklink /d ".venv/Lib/site-packages/odoo" "D:\Odoo-16-dev\odoo\odoo"
5. install requirements pip install -r requirements.txt
6. run fast api with odoo fastapi dev fast_api_test.py or python uvicorn fast_api_test:app --reload
7. Configure Environment Variables
   1. ODOO_REPO_PATH : Full path to odoo repository
   2. ODOO_CONFIG_PATH : Full path to odoo config file
   3. ODOO_DB_NAME : Database name to be used

Note: