Python Version Matrix
Each Odoo version requires specific Python versions. Running the wrong Python version causes import errors, syntax issues, or subtle bugs. This reference covers every supported Odoo version and its Python requirements.
| Odoo Version | Minimum Python | Recommended Python | Maximum Python | Notes |
|---|---|---|---|---|
| 14.0 | 3.6 | 3.8 | 3.9 | Python 3.6 is EOL |
| 15.0 | 3.7 | 3.10 | 3.10 | Added f-string usage |
| 16.0 | 3.8 | 3.10 | 3.11 | Walrus operator (:=) used |
| 17.0 | 3.10 | 3.10 | 3.12 | Match/case statements possible |
| 18.0 | 3.10 | 3.12 | 3.12 | Performance improvements |
| 19.0 | 3.12 | 3.12 | 3.13 | Required for AI features |
Why Python Version Matters
Security
Python versions reach end-of-life and stop receiving security patches. Running Odoo on an EOL Python version exposes your ERP to unpatched vulnerabilities. As of 2026: Python 3.8 and earlier are EOL, 3.9 is in security-only mode, 3.10+ receives active support.
Performance
Newer Python versions are significantly faster. Python 3.12 includes the PEP 684 per-interpreter GIL and PEP 709 inlined comprehensions, providing 5-15% performance improvement over Python 3.10. For Odoo instances handling high concurrency, this matters.
Compatibility
Odoo's source code uses Python features from its minimum required version. Running a Python version below the minimum causes SyntaxError or ImportError on startup. Running above the maximum may trigger deprecation warnings or behavioral changes.
Checking Your Python Version
# Check current Python version:
python3 --version
# Check which Python Odoo is using:
ps aux | grep odoo
# Look at the python3 path in the process
# Check Odoo's expected version (from setup.py):
grep python_requires /path/to/odoo/setup.pyUpgrading Python
When upgrading Python alongside Odoo, always:
- Install the new Python version alongside the old one
- Create a new virtual environment with the new Python
- Install Odoo dependencies in the new environment
- Test Odoo startup and basic operations
- Switch the production service to the new environment
Virtual Environments
# Create venv for Odoo 19 with Python 3.12:
python3.12 -m venv /opt/odoo19-venv
source /opt/odoo19-venv/bin/activate
pip install -r /path/to/odoo19/requirements.txtDeployMonkey Advantage
DeployMonkey manages Python versions automatically. Every Odoo deployment uses the correct Python version with all dependencies pre-installed. No manual Python management needed.