Windows
Check Python
Abjad requires Python 3.12 (or later):
> py --version
Python 3.13.3
Check LilyPond
Abjad requires LilyPond 2.25.26 (or later).
Make sure LilyPond is installed: http://lilypond.org/development.html
When installing LilyPond, first unzip the archive downloaded from the site above.
You should get a directory like lilypond-2.25.26.
Move the resulting folder to C:\Program Files (x86).
Add C:\Program Files (x86)\Lilypond/bin to the Windows path.
Make sure LilyPond is callable from the commandline:
> lilypond --version
GNU LilyPond 2.25.26
Copyright (c) 1996--2023 by
Han-Wen Nienhuys <hanwen@xs4all.nl>
Jan Nieuwenhuizen <janneke@gnu.org>
and others.
This program is free software. It is covered by the GNU General Public
License and you are welcome to change it and/or distribute copies of it
under certain conditions. Invoke as `lilypond --warranty' for more
information.
Install Abjad in a Python 3 virtual environment
Create a Python 3 virtual environment for Abjad: https://docs.python.org/3/tutorial/venv.html
> py -m venv FirstAbjad
Activate the virtual environment:
> FirstAbjad\Scripts\activate
Update pip:
> py -m pip install --upgrade pip
Install Abjad:
> py -m pip install abjad
Test installation:
> py
> import abjad
> note = abjad.Note("c'4")
> abjad.show(note)