molecule-core/docs/workspace-runtime-package.md
Hongming Wang 03f6fc81dd chore: extract workspace runtime to PyPI + move adapter Dockerfiles to template repos
Published `molecule-ai-workspace-runtime==0.1.0` to PyPI:
  https://pypi.org/project/molecule-ai-workspace-runtime/0.1.0/

Source repo: https://github.com/Molecule-AI/molecule-ai-workspace-runtime

Each adapter's Dockerfile and requirements.txt have moved to the corresponding
standalone template repo (molecule-ai-workspace-template-<runtime>). The adapter
Python code (.py files) stays in the monorepo for local dev and testing.

Changes:
- workspace-template/pyproject.toml — new, packages the shared runtime as a PyPI package
- workspace-template/adapters/*/Dockerfile — removed (now in template repos)
- workspace-template/adapters/*/requirements.txt — removed (now in template repos)
- workspace-template/Dockerfile — drop COPY adapters/ (still copies .py files via *.py glob)
- workspace-template/build-all.sh — simplified to base-image-only build
- workspace-template/entrypoint.sh — remove adapter requirements.txt install step
- workspace-template/tests/test_hermes_adapter.py — skip Dockerfile/requirements.txt checks
- CLAUDE.md — update architecture description + workspace image table
- docs/workspace-runtime-package.md — new, explains the package + adapter repo layout

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-04-16 04:33:10 -07:00

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# Workspace Runtime PyPI Package
## Overview
The shared workspace runtime infrastructure lives in two places:
1. **Source of truth (monorepo):** `workspace-template/` — this is where all development happens
2. **Published package:** [`molecule-ai-workspace-runtime`](https://pypi.org/project/molecule-ai-workspace-runtime/) on PyPI
## What's in the package
Everything in `workspace-template/` except adapter-specific code:
- `molecule_runtime/` — all shared `.py` files (main.py, config.py, heartbeat.py, etc.)
- `molecule_runtime/adapters/``BaseAdapter`, `AdapterConfig`, `SetupResult`, `shared_runtime`
- `molecule_runtime/builtin_tools/` — delegation, memory, approvals, sandbox, telemetry
- `molecule_runtime/skill_loader/` — skill loading + hot-reload
- `molecule_runtime/plugins_registry/` — plugin discovery and install pipeline
- `molecule_runtime/policies/` — namespace routing policies
- Console script: `molecule-runtime``molecule_runtime.main:main_sync`
## Adapter repos
Each of the 8 adapter repos now contains:
- `adapter.py` — runtime-specific `Adapter` class
- `requirements.txt``molecule-ai-workspace-runtime>=0.1.0` + adapter deps
- `Dockerfile` — standalone image (no longer extends workspace-template:base)
| Adapter | Repo |
|---------|------|
| claude-code | https://github.com/Molecule-AI/molecule-ai-workspace-template-claude-code |
| langgraph | https://github.com/Molecule-AI/molecule-ai-workspace-template-langgraph |
| crewai | https://github.com/Molecule-AI/molecule-ai-workspace-template-crewai |
| autogen | https://github.com/Molecule-AI/molecule-ai-workspace-template-autogen |
| deepagents | https://github.com/Molecule-AI/molecule-ai-workspace-template-deepagents |
| hermes | https://github.com/Molecule-AI/molecule-ai-workspace-template-hermes |
| gemini-cli | https://github.com/Molecule-AI/molecule-ai-workspace-template-gemini-cli |
| openclaw | https://github.com/Molecule-AI/molecule-ai-workspace-template-openclaw |
## Adapter discovery (ADAPTER_MODULE)
Standalone adapter repos set `ENV ADAPTER_MODULE=adapter` in their Dockerfile.
The runtime's `get_adapter()` checks this env var first:
```python
# In molecule_runtime/adapters/__init__.py
def get_adapter(runtime: str) -> type[BaseAdapter]:
adapter_module = os.environ.get("ADAPTER_MODULE")
if adapter_module:
mod = importlib.import_module(adapter_module)
return getattr(mod, "Adapter")
# Fall back to built-in subdirectory scan (monorepo local dev)
...
```
## Publishing a new version
```bash
cd workspace-template
# 1. Bump version in pyproject.toml
# 2. Sync to molecule-ai-workspace-runtime repo
# 3. Tag and push — CI publishes to PyPI via PYPI_TOKEN secret
```
Or manually:
```bash
cd workspace-template
python -m build
python -m twine upload dist/*
```
## Writing a new adapter
1. Create a new standalone repo `molecule-ai-workspace-template-<runtime>`
2. Copy `adapter.py` pattern from any existing adapter repo
3. Change imports: `from molecule_runtime.adapters.base import BaseAdapter, AdapterConfig`
4. Create `requirements.txt` with `molecule-ai-workspace-runtime>=0.1.0` + your deps
5. Create `Dockerfile` with `ENV ADAPTER_MODULE=adapter` and `ENTRYPOINT ["molecule-runtime"]`
6. Register the runtime name in the platform's known runtimes list