FPy
An embedded Python DSL for specifying and simulating numerical algorithms.
Important links:
- PyPI package: fpy2
- Documentation: fpy.readthedocs.io
- GitHub: fpy
- Guide: USAGE.md
Installation
FPy can be installed from PyPI with either uv or pip, or built from
source for development. The following instructions assume a bash-like
shell.
Installing from PyPI
Requirements:
- Python 3.11 or later
To install the latest stable release of FPy, run:
uv pip install fpy2
or, with pip:
pip install fpy2
Installing from source
Requirements:
- Python 3.11 or later
make
With uv (preferred)
uv is the recommended development workflow — it handles the virtual environment and dependency installation in a single step:
uv sync
This creates .venv/ and installs FPy in editable mode along with the
dev dependency group. Activate the environment with
source .venv/bin/activate
or prefix individual commands with uv run (e.g. uv run pytest tests/unit).
With pip (legacy)
This path is preserved for compatibility with existing tooling; new
contributors should prefer uv above.
If you do not have a Python virtual environment, create one using
python3 -m venv .venv/
and activate it using
source .venv/bin/activate
To install an instance of FPy for development, run:
pip install -e .[dev]
To uninstall FPy, run:
pip uninstall fpy2
Testing
There are a number of tests that can be run through
the Makefile including
make lint
to ensure formatting and type safety;
make unittest
to run the unit tests;
make infratest
to run the infrastructure tests.
1 maintainer
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