@ankraft/ACME-oneM2M-CSEPublic

oneM2M CSE middleware for Python and IoT

ACME oneM2M CSE is a Python middleware server that implements part of the oneM2M standard. It provides a CSE runtime, web UI, plugin support, and test coverage for running educational and IoT setups.

30 stars•22 forks•Python•Updated 23d ago

Who it's for

Builders who want to run a oneM2M CSE for IoT learning or prototyping.

What it delivers

You can run a working oneM2M CSE instead of building the middleware layer yourself.

What it does

oneM2M CSE implementation

Implements a subset of the oneM2M standard as a CSE middleware server.

Plugin support

Lets you extend the CSE with custom handlers, bindings, and HTTP server behavior without changing core code.

Web UI and text UI

Includes `acmecse/webui` and `acmecse/textui` for interacting with the CSE.

Test suite

Includes many focused tests under `tests/` for resource types, requests, discovery, subscriptions, and remote behavior.

Tools and docs

Includes `docs/` and `tools/` for API docs, Docker, packaging, and helper scripts.

README

ACME oneM2M CSE

An open source CSE Middleware for Education.

Version 2026.05.1

Overview

This oneM2M compliant CSE implements a subset of the oneM2M standard (see http://www.onem2m.org). The intention is to provide an easy to install, extensible, and easy to use and maintainable CSE for educational purposes.

See https://acmecse.net for more exhaustive information.

Changes

Please see the Changelog and this discussion for a detailed list of changes.

Highlights in this release

Support for plugins to extend the CSE's functionality.
Most of the CSE's functionality is now implemented in plugins. This allows for better modularity and extensibility of the CSE's functionality. Plugins can be enabled and disabled, depending on the use case, requirements, and available system resources.
User defined plugins can be added to the CSE to extend the CSE's functionality with custom handlers, bindings, HTTP server extensions, etc. This allows to easily add custom functionality to the CSE without modifying the CSE's source code.
The full API documentation is now available at https://api.acmecse.net.
Implementation of various new oneM2M features, such as support for SP-ID and IN-CSE-ID attributes for remote CSEs.
Internal restructuring how resource types are defined and configured. The resource types are now defined by an external JSON file that is loaded during CSE initialization. This allows for better modularity and extensibility of the resource types and their attributes.
Improved support for data types for the ContentInstance resource type.
Many performance improvements and bug fixes, such as much better performance when many AE registrations are present.

What to expect in the next release

See the announcement in the discussions.

Acknowledgements

Many People have contributed to this project and helped to make it what it is today with their ideas, suggestions, and code. Please see the Acknowledgements for the list of contributors.

Join the Discussions on Discord

Join the ACME CSE community on Discord to discuss the project, ask questions, and get help.

License

BSD 3-Clause License for the CSE and its native components and modules. Please see the individual licenses of the used third-party components.

Files in the repo

Repository payload•15 top-level entries

.github— GitHub workflows and templates
acmecse— Main Python package for the CSE middleware.
docs— Documentation and images.
skills— The skills, one folder each
tests— Automated tests for CSE behavior and resource handling.
tools— Docker, API docs, packaging, and helper utilities.
.gitignore
CHANGELOG.md
CITATION.cff
LICENSE— License
MANIFEST.in
mypy.ini
README.md— The README
requirements.txt— Python package: install with pip or uv
setup.py— Python package: install with pip or uv

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