pyobjc-framework-CoreMIDI
Wrappers for the framework CoreMIDI on macOS
Decision gist · record as of 2026-08-14
Yes, if you are developing MIDI applications on macOS and need direct access to CoreMIDI. The package is actively maintained, permissively licensed, and production-stable. The main constraint is platform specificity (macOS only) and the requirement to cross-reference Apple's CoreMIDI documentation alongside PyObjC's translation rules; it is not a high-level abstraction but a thin wrapper.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- macOS only; requires Python 3.10 or later; depends on pyobjc-core and pyobjc-framework-Cocoa.
- Medium install friction: platform-specific wheels for macOS only (Python 3.10–3.15), with compiled dependencies on pyobjc-core and pyobjc-framework-Cocoa.
- Active maintenance (last commit 2026-08-14, release 3 days ago) and production-stable status reduce risk.
License · maintenance · safety
MIT (permissive) — MIT license is permissive; you may use, modify, and distribute this package freely with minimal restrictions, making it suitable for both open-source and commercial projects.
last release 2026-08-11 (3 days) · last repo commit 2026-08-14 · 803 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 659,941 downloads/mo, #5,462 on PyPI
Alternatives
Verify before relying
pip install pyobjc-framework-coremidi
import CoreMIDI
# Access MIDI devices and ports via CoreMIDI framework bindings- Specific CoreMIDI API coverage and completeness compared to native macOS CoreMIDI.
- Whether this package includes MIDI event scheduling or only basic I/O.
- Real-world latency characteristics for MIDI input/output operations.
What it is and what it does
This package wraps Apple's CoreMIDI framework for use in Python, allowing macOS applications to send and receive MIDI data to and from hardware devices and software synthesizers. It is built on top of PyObjC, which translates between Python and Objective-C, and depends on pyobjc-core and pyobjc-framework-Cocoa to function.
The wrappers expose CoreMIDI's native API surface directly; the package itself does not include high-level documentation, so users must refer to Apple's CoreMIDI documentation and PyObjC's translation guidelines to understand how to call the underlying framework. It is maintained actively and marked as production-stable, supporting Python 3.10 through 3.15 on macOS.
Use it for
- Build a macOS DAW controller or MIDI sequencer that sends note and control data to external synthesizers.
- Create a live performance tool that listens to MIDI keyboards or controllers connected to a Mac.
- Develop a MIDI monitor or diagnostic utility to inspect MIDI traffic on macOS.
- Write a music production script that automates MIDI recording or playback on macOS systems.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are developing MIDI applications on macOS and need direct access to CoreMIDI.
The package is actively maintained, permissively licensed, and production-stable. The main constraint is platform specificity (macOS only) and the requirement to cross-reference Apple's CoreMIDI documentation alongside PyObjC's translation rules; it is not a high-level abstraction but a thin wrapper.
Install
pyobjc-framework-coremidi on PyPI
Before you install
Medium install friction: platform-specific wheels for macOS only (Python 3.10–3.15), with compiled dependencies on pyobjc-core and pyobjc-framework-Cocoa. Active maintenance (last commit 2026-08-14, release 3 days ago) and production-stable status reduce risk.
macOS only; requires Python 3.10 or later; depends on pyobjc-core and pyobjc-framework-Cocoa.
License in practice
MIT license is permissive; you may use, modify, and distribute this package freely with minimal restrictions, making it suitable for both open-source and commercial projects.
Quickstart
pip install pyobjc-framework-coremidi
import CoreMIDI
# Access MIDI devices and ports via CoreMIDI framework bindingsVerify before relying
- Specific CoreMIDI API coverage and completeness compared to native macOS CoreMIDI.
- Whether this package includes MIDI event scheduling or only basic I/O.
- Real-world latency characteristics for MIDI input/output operations.
Package facts
| License | MIT permissive |
| Python support | Supports the current Python release >=3.10 |
| Install friction | Medium. Platform-specific wheel |
| Runtime dependencies | 2 packagespyobjc-corepyobjc-framework-Cocoa |
| Maintenance | Actively maintained 3 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 659,941 / month, #5,462 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 5 - Production/StableEnvironment :: ConsoleEnvironment :: MacOS X :: CocoaIntended Audience :: DevelopersNatural Language :: EnglishOperating System :: MacOS :: MacOS XProgramming Language :: Objective CProgramming Language :: PythonProgramming Language :: Python :: 3Programming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Programming Language :: Python :: 3.15Programming Language :: Python :: Free Threading :: 3 - StableProgramming Language :: Python :: Implementation :: CPythonTopic :: Software Development :: Libraries :: Python ModulesTopic :: Software Development :: User Interfaces |
Evidence: pyobjc_framework_coremidi-12.2.2-cp310-cp310-macosx_10_9_universal2.whl; pyobjc_framework_coremidi-12.2.2-cp311-cp311-macosx_10_9_universal2.whl; pyobjc_framework_coremidi-12.2.2-cp312-cp312-macosx_10_13_universal2.whl; pyobjc_framework_coremidi-12.2.2-cp313-cp313-macosx_10_13_universal2.whl; pyobjc_framework_coremidi-12.2.2-cp313-cp313t-macosx_10_13_universal2.whl; pyobjc_framework_coremidi-12.2.2-cp314-cp314-macosx_10_15_universal2.whl; pyobjc_framework_coremidi-12.2.2-cp314-cp314t-macosx_10_15_universal2.whl; pyobjc_framework_coremidi-12.2.2-cp315-cp315-macosx_10_15_universal2.whl; pyobjc_framework_coremidi-12.2.2-cp315-cp315t-macosx_10_15_universal2.whl
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See also pyobjc-framework-iTunesLibrary · python-rtmidi · pyobjc-framework-CoreHaptics · pyobjc-framework-ShazamKit · mido · pyobjc-framework-CoreAudio · pyobjc-framework-MapKit · pyobjc-framework-CoreMotion · pyobjc-framework-SharedWithYouCore · pyobjc-framework-PHASE