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Installation

polpack can be installed from PyPI or directly from source via GitHub.


PyPI

For using the PyPI package in your project, add it to your configuration file:

[project.dependencies]
polpack = "*" # (1)!
  1. Specifying a version is recommended
polpack>=0.1.0

pip

pip install --upgrade --user polpack # (1)!
  1. You may need to use pip3 instead of pip depending on your Python installation.
python -m venv .venv
source .venv/bin/activate
pip install --require-virtualenv --upgrade polpack # (1)!
  1. You may need to use pip3 instead of pip depending on your Python installation.

Note

The command to activate the virtual environment depends on your platform and shell. More info

uv

uv add polpack
uv sync
uv venv
uv pip install polpack

pipenv

pipenv install polpack

poetry

poetry add polpack

pdm

pdm add polpack

hatch

hatch add polpack

GitHub

Install the latest development version directly from the repository:

pip install --upgrade "git+https://github.com/eggzec/polpack.git#egg=polpack"

Building locally

Clone and build from source if you want to modify or test local changes:

git clone https://github.com/eggzec/polpack.git
cd polpack
pip install -e .

This invokes the meson build system to compile the Fortran sources and install the resulting extension module in development mode.

Fortran compiler required

Source builds require a working Fortran compiler. On most Linux distributions, install gfortran:

sudo apt install gfortran
sudo dnf install gcc-gfortran
brew install gcc

Install MinGW-w64 with gfortran or use MSYS2.


Verifying the installation

After installation, verify that the package loads correctly:

import polpack
import numpy as np

n = 10
b = np.zeros(n + 1, dtype=np.int32, order="F")
polpack.bell(n, b)
print("polpack is working! Bell numbers:", b)

Dependencies

Package Purpose
numpy Array handling and f2py integration

No other runtime dependencies are required.

For source builds, you additionally need:

Package Purpose
gfortran Compiling Fortran sources
meson and meson-python Build system
numpy Required by f2py at build time