Verilator Python

This python package contains a pre-built installation of verilator, and a python wrapper to run verilator. It should function exactly the same as if you installed verilator through normal means.

Installing this python package will install "verilator.exe" into the python environments scripts/bin folder, so it can be ran and can easily be found by CMake.

The main goal of this project is to simplify distributing verilator and using it within a python application.

This project is not affiliated with Verilator.

Installation

Verilator requires that the operating system used to build verilator is the same as the operating system used to run verilator, so wheels built on windows should work well.

Otherwise, you can build from source. This requires having a compatible compiler installed, and any dependencies. Read the verilator user manual for more information.

Install Options

pypi.org

pip install verilator-dspsim

from source

pip install .

cached build directory

pip install --no-build-isolation -Cbuild-dir=build -v .

editable install

pip install --no-build-isolation -Cbuild-dir=build --config-settings=editable.rebuild=true -v -e .

Example Project

The example project "example" in the root of this repository uses scikit-build-core, nanobind, and verilator to build a simple verilator simulation wrapped in a python package.

You will need to have am appropriate compiler installed. Windows: MSVC, Linux: gcc, Mac: clang? (I don't have a Mac)

  • Install the verilator package from pypi.org, or from source.

  • Build and install the example python extension

  • Run the example

pip install verilator-dspsim
pip install ./example
python -c "import example;example.run_simulation()"

Project links

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Avatar for fsodari from gravatar.com fsodari

Credits

Author: Frank Sodari

GitHub Statistics

Data verified by PyPI on Sep 4, 2026
The GitHub source repository was provided by the project maintainers and verified by PyPI at the time of upload. Stars, forks, and open issues/PRs are derived from that repository and have not been independently verified.

License

GNU Lesser General Public License v3 (LGPLv3)

Classifiers

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