cmsis-pack-manager
Python manager for CMSIS-Pack index and cache with fast Rust backend
Decision gist · record as of 2026-08-14
Yes, if you work with ARM embedded systems and need to query CMSIS PACK device information. The package is actively maintained, has no known vulnerabilities, and offers a clean Python API backed by efficient Rust code. Medium install friction is manageable given prebuilt wheels; only a concern if you must build from source on an unsupported platform.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Rust toolchain if building from source; prebuilt wheels available for most platforms reduce this friction.
- Medium install friction due to compiled Rust backend requiring build tools; however, prebuilt wheels are available for common platforms (Linux x86_64, ARM, macOS, Windows).
- Actively maintained with recent commits and stable across supported Python versions.
License · maintenance · safety
Apache-2.0 (permissive) — Apache-2.0 is permissive and poses no significant licensing constraints; you may use, modify, and distribute the package freely in commercial or open-source projects.
last release 2025-06-27 (413 days) · last repo commit 2026-07-28 · 33 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 1,122,467 downloads/mo, #4,332 on PyPI
Alternatives
Verify before relying
pip install cmsis-pack-manager
import cmsis_pack_manager
# Query device information from CMSIS PACKs- Specific API methods and return types for querying processor, flash, and memory information
- Whether the package automatically downloads/caches CMSIS PACKs or requires manual setup
- Performance characteristics when querying large numbers of devices
What it is and what it does
cmsis-pack-manager is a Python module backed by a Rust implementation for accessing device metadata stored in CMSIS PACKs—standardized ARM device definition files. It lets you look up processor types, flash algorithms, and memory layouts either programmatically in Python or via a command-line tool. The package is built as a compiled extension (hence the prebuilt wheels for multiple platforms and architectures), with runtime dependencies on appdirs, cffi, and pyyaml for configuration and file handling.
The module is designed for embedded systems developers and tooling authors who need to query ARM device information without parsing CMSIS PACKs manually. It has been actively maintained since 2017, supports Python 3.8 through 3.13, and runs on Linux, macOS, and Windows across multiple CPU architectures.
Use it for
- Embedded development tools querying processor capabilities and memory layout for a target device
- Build systems looking up flash algorithm information for device programming
- IDE or debugger integration retrieving device-specific metadata from CMSIS standards
- Automated device inventory or compatibility checking against CMSIS PACK definitions
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you work with ARM embedded systems and need to query CMSIS PACK device information.
The package is actively maintained, has no known vulnerabilities, and offers a clean Python API backed by efficient Rust code. Medium install friction is manageable given prebuilt wheels; only a concern if you must build from source on an unsupported platform.
Install
cmsis-pack-manager on PyPI
Before you install
Medium install friction due to compiled Rust backend requiring build tools; however, prebuilt wheels are available for common platforms (Linux x86_64, ARM, macOS, Windows). Actively maintained with recent commits and stable across supported Python versions.
Requires Rust toolchain if building from source; prebuilt wheels available for most platforms reduce this friction.
License in practice
Apache-2.0 is permissive and poses no significant licensing constraints; you may use, modify, and distribute the package freely in commercial or open-source projects.
Quickstart
pip install cmsis-pack-manager
import cmsis_pack_manager
# Query device information from CMSIS PACKsVerify before relying
- Specific API methods and return types for querying processor, flash, and memory information
- Whether the package automatically downloads/caches CMSIS PACKs or requires manual setup
- Performance characteristics when querying large numbers of devices
Package facts
| License | Apache-2.0 permissive |
| Python support | Supports the current Python release >=3.6 |
| Install friction | Medium. Platform-specific wheel |
| Runtime dependencies | 3 packagesappdirscffipyyaml |
| Maintenance | Actively maintained 413 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 1,122,467 / month, #4,332 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 4 - BetaIntended Audience :: DevelopersLicense :: OSI Approved :: Apache Software LicenseOperating System :: MacOSOperating System :: Microsoft :: WindowsOperating System :: POSIXOperating System :: UnixProgramming Language :: PythonProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.8Programming Language :: Python :: 3.9Topic :: Software DevelopmentTopic :: Software Development :: DebuggersTopic :: Software Development :: Embedded SystemsTopic :: Utilities |
Evidence: cmsis_pack_manager-0.6.0-py3-none-linux_armv6l.whl; cmsis_pack_manager-0.6.0-py3-none-macosx_10_12_universal2.whl; cmsis_pack_manager-0.6.0-py3-none-manylinux_2_12_i686.manylinux2010_i686.manylinux_2_17_i686.manylinux2014_i686.whl; cmsis_pack_manager-0.6.0-py3-none-manylinux_2_17_aarch64.manylinux2014_aarch64.whl; cmsis_pack_manager-0.6.0-py3-none-manylinux_2_17_armv7l.manylinux2014_armv7l.whl; cmsis_pack_manager-0.6.0-py3-none-manylinux_2_17_x86_64.manylinux2014_x86_64.whl; cmsis_pack_manager-0.6.0-py3-none-win32.whl; cmsis_pack_manager-0.6.0-py3-none-win_amd64.whl
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