Sim Plugin Dymola — AI skill for Claude Code

sim-plugin-dymola

Use Codex, Claude Code, or another AI agent to run and inspect [Dymola](https://www.3ds.com/products/catia/dymola) automation through `sim`.

**Status: real-install alpha.** This plugin is under development and not intended for out-of-the-box production use. The initial implementation has been smoke-tested against one local Dymola 2026x Refresh 1 installation, but it has not been broadly validated across license types, compiler setups, Linux installs, or production simulation workloads.

Dymola is a commercial Dassault Systemes product. The Dymola solver and its Python/API bindings are not bundled; you supply and license Dymola yourself. See [LICENSE-NOTICE.md](LICENSE-NOTICE.md).

What Works Today

• The package installs as a normal sim plugin.
• sim check dymola discovers local installs from environment variables, PATH, Windows registry entries, and common install paths.
• Discovery reports the bundled Dymola Python interface wheel, local manuals, Python API docs, Java/JavaScript docs, and DymolaCommands docs when present.
• File detection recognizes .mos, .mo, and Python files that mention Dymola automation APIs.
• Linting performs conservative local checks.
• .mos files execute through dymola.dymola_interface.DymolaInterface.RunScript.
• .mo files open through openModel() and, when the top-level class name can be inferred, run checkModel().
• Python scripts run in a subprocess with the local Dymola API wheel prepended to PYTHONPATH.
• Persistent sessions work through:
  • launch() / sim connect --solver dymola
  • run() / sim exec --solver dymola 'DymolaVersion()'
  • disconnect()
• Dymola logs are saved under .sim/dymola/..., attached as artifacts, and scanned for clear failure signals such as = false, compiler failures, and license errors.

Current Validation Evidence

Tested locally on Windows with:

• Install root: C:\Program Files\Dymola 2026x Refresh 1
• Launcher: `bin