openccu-loom-types
Generated Pydantic models + enum definitions for the openccu-loom
REST + WebSocket contract. Sister-repo to the
openccu-loom daemon;
publishable as openccu-loom-types on PyPI.
What this package provides
openccu_loom_types.enums— every enum from the daemon'spkg/hmenum. Each enum is astr-typed PythonEnumwhose values match the wire strings the CCU emits. Source of truth:assets/schemas/enums.jsonin the openccu-loom repo.openccu_loom_types.rest— Pydantic models for the REST surface. Generated fromassets/openapi.yamlviadatamodel-code-generator.openccu_loom_types.ws— Pydantic models for the WebSocket envelope + push payloads. Generated from the same OpenAPI document (the WS envelope schemas live incomponents.schemasper ADR-0020).
Why this exists (asks.md C1 + C3)
Higher-level clients (openccu-loom-client, the future
homematicip_local refactor) need stable typed bindings against the
daemon. Without a published types package each consumer would
duplicate the model code and drift away from the daemon's wire
contract. This package is the single import every Python consumer
shares — version-pinned and CI-rebuilt on every openccu-loom release.
Regeneration workflow
Set OPENCCU_LOOM_REPO to a local checkout of the daemon repo
(default: ../openccu-loom):
# Step 1 — make sure the daemon repo's schema export is fresh:
make -C "$OPENCCU_LOOM_REPO" export-schemas
# Step 2 — regenerate this package's models:
make generate
The two-step split keeps the daemon repo authoritative; this package never re-parses Go source.
Tooling required
- Python >= 3.11
datamodel-code-generator>= 0.25 (for REST + WS Pydantic models)
Install both with pip install -e '.[dev]'.
Versioning & contract identity
The package version (const.VERSION) is independent of the daemon
version; the regeneration workflow bumps the patch number on every
daemon release. The daemon coupling is carried by two stamped
constants in const.py (written by make generate →
scripts/stamp_const.py):
SCHEMA_DIGEST— canonical digest of the daemon's contract assets these types were generated from (definition: daemon ADR-0028). Clients compare it againstGET /api/v1/info.schema_digestto verify exact type/daemon parity at connect time.DAEMON_API_VERSION— the daemon'sapi_versionat generation time. Minor bumps add fields without breaking existing consumers; major bumps remove or rename payload fields, scopes, or capabilities — see ADR-0020 in the daemon repo.
Regeneration and release are automated end to end. The daemon's
release workflow fires a repository_dispatch (daemon-release) at
this repo, which drives this chain:
regenerate-on-daemon-releasechecks out the daemon at the released tag, regenerates all modules, stamps the constants, bumps the version, seeds a baseline changelog section, opens a PR from aregen/daemon-<tag>branch, and enables auto-merge.ciruns on the PR:Test(the suite) andRegen clean(re-runsmake generateagainst the branch's daemon tag and fails on any drift, so hand-edits to generated modules are caught).- Once the required checks are green the PR squash-merges;
tag-on-regen-mergethen pushesv<version>. - The tag triggers
release-on-tag→ GitHub Release →python-publish→ PyPI.
Manual fallback: workflow_dispatch with the tag, or the local
two-step flow above.
CI / release setup
The automation needs three one-time repository settings; without them the chain stops after step 1:
- A
RELEASE_PATsecret — a fine-grained PAT (or GitHub App token) withcontents: write+pull-requests: write. The regen PR and the release tag are pushed with it, because a branch/PR/tag created via the defaultGITHUB_TOKENdoes not trigger the downstream CI and release workflows (GitHub's recursive-workflow guard). - Branch protection on
mainrequiring theTestandRegen cleanstatus checks — auto-merge waits on these. - Allow auto-merge enabled in the repository settings.
What this package does NOT contain
- HTTP / WebSocket transport — see
openccu-loom-client(when published) for the higher-level client. - Any business logic — types only.
- Async helpers — types are framework-neutral.
Development
Parts of openccu-loom-types are developed with agentic AI assistance, primarily Claude Code. Submitted issues are likewise triaged and analysed with agentic help. Every change is still reviewed by a human maintainer and must pass the project's tests before it lands — the AI speeds up the work, it does not replace the review gate.
Contributions made with AI assistance are welcome and subject to the rules in AI_POLICY.md.
License
MIT. See LICENSE.
1 maintainer
Release files for openccu-loom-types 0.3.17
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