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maialib

A C++/Python library to manipulate sheet music data

  • 1.8.1
  • PyPI
  • Socket score

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Maialib - Music Analysis Library {#mainpage}

Maialib CI/CD

This library is a multiplatform set of musical tools that enable musical score analisys and composition in a easy and fast way.
The project core was wrote in C++17, but it also has a Python wrapper that allows a greater number of people (ie musicians not trained in IT) to also have in their hands the same power and musical tools available in maialib.

Advantages

  • Easy to use to musicians and musical researchers
  • High computer perfomance and fast calculations
  • Read and write musical scores (MusicXML file format)

Get Python Package

pip install maialib

Or, if you have a older maialib version installed on your system, please get the latest version running: pip install maialib --upgrade

Get Started

You can easily import your sheet music (*.xml file) to Python environment using:

import maialib as ml

myScore = ml.Score('./Beethoven/Symphony_9th.xml')

Now you can explore some maialib features like:

  • Find musical patterns
  • Write your own scores from your custom algorithms
  • Analyse scores in a musical statistical data perspective
  • And much more!

Frequent Asked Questions

1) Where can I find the XML file of a specific musical score?

To import musical scores the file extensions must be: *.xml, *.mxl or *.musicxml
You can easily export your music files to these file formats above from score editors, like:

  • MuseScore (free!)
  • Sibelius
  • Finale
  • Others

Many MusicXML files are avaliable for free in the internet for download.

2) What can I do if I don't have a *.xml file of my target music?

  • First, make shure and look at different websites and online repositories trying to find the *.xml file
  • You can find on the internet the desired MIDI file and import it in a score editor (like MuseScore, Sibelius, Finale, etc.) and then export the MusicXML file from it
  • You can use scan the sheet music paper and get a PDF version of it, so:
    • You can use a OMR software to try to convert the PDF file into a *.xml file
    • You can pay for other people to type manually note-by-note the PDF into a musical software (link MuseScore, Sibelius, Finale, etc.)
  • You can type manually note-by-note the music paper into a musical software (link MuseScore, Sibelius, Finale, etc.)

Documentation (in development)

This project have 2 documentation levels. One for each user type:

  • Level 1 - User documentation: for musicians, musical researchers and non-professional IT people (help me to do that!)
  • Level 2 - Developer documentation: A deeper information for professional C++ programmers (Doxygen)

Level 1: Python Tutorial

You can explore maialib features looking at python-tutorial folder (link here).
There you will learn how to use and mix maialib classes and functions to reach your musical goals If you are starting, please check these 3 basic maialib Python tutorials:

Level 2: Developer Documentation

Maialib Documentation WebSite

VS Code Users

  • You can write your Python scripts using *.py or *.ipynb file extensions.
  • If you decide to use *.ipynb extension, make shure to install nbformat Python package to enable visualize maialib graphs on VS Code editor. To do that: pip install nbformat --upgrade

Would you like to improve any maialib function?

Are you a C++ developer?

Requirements to build from C++ sources:

  • C++17 compatible compiler
  • CMake 3.26
  • Python 3.8
  • Make
  • Doxygen (Optional: To build documentation)
  • Buildcache (Optional: To accelerate the build process)
  • CppCheck (Optional: C++ Static Analyzer)

Are you a Python developer?

Python Dev-only dependencies

pip install pathlib
pip install cpplint
pip install wheel
pip install mypy

# To generate Python stubs
pip install pybind11-stubgen
# Mac users: May be you have to add the coverage and pybind11-stubgen on your `PATH` - /etc/paths

pybind11_mkdoc (github)
sudo apt install clang (pybind11_mkdoc dependency) - Linux/Mac Only

Tested Environments

Operational SystemCompilers
Windows 10 x64Clang 18.0
Linux Ubuntu 20.04GCC 9.3
Apple OSX 10.15XCode 11.5 (Command Line Tools)

Quick Start

Build Python module from C++ source

Open a terminal (or CMD in Windows), enter inside of the maialib folder.
Type: make to build the Python module
When the build process finishes, type: make install
Done!

Known issues to build from source

All Platforms

  • Multiple Python versions installed, like: Official Python, Microsoft Python, MSYS2 Python and others can direct the build system to choose a wrong version to build and install the library.
    To check all Python versions installed on your system, open the Terminal (or CMD on Windows) and type: - Linux or Mac: - which python - which python3 - Windows: - where.exe python - where.exe python3

Windows-Only

  • Disable your antivirus or create a exception (CMake permissions)

Contact

Nycholas Maia - nyckmaia@gmail.com

Contributing

  • Fork this project
  • Make your custumizations and improvments
  • Please, send me a pull request

License

Maialib is licensed under GPLv3 License

Keywords

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