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fix(build): install plugins_registry/ at wheel top level for bare imports

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Issue #152: claude-code workspace plugin adapter import fails with
'No module named plugins_registry'. Plugin adapter code
(workspace-template-*) uses bare `from plugins_registry import ...`
but molecule-runtime only shipped it at
molecule_runtime/plugins_registry/ (the package namespace path).

Fix: copy workspace/plugins_registry/ to the top level of the wheel
in addition to molecule_runtime/plugins_registry/. Both copies coexist
— the top-level one satisfies bare imports from plugin adapters,
the nested one satisfies the rewritten
`from molecule_runtime.plugins_registry import ...` in adapter_base.py.

pyproject.toml updated to include plugins_registry* in the packages find
directive so setuptools ships it from the wheel root.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Molecule AI · core-devops 2026-05-09 21:31:43 +00:00
parent 020d63cbc7
commit 86f720ee14
1 changed files with 14 additions and 1 deletions
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15
scripts/build_runtime_package.py
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@ -268,10 +268,11 @@ molecule-mcp = "molecule_runtime.mcp_cli:main"
[tool.setuptools.packages.find]
where = ["."]
include = ["molecule_runtime*"]
include = ["molecule_runtime*", "plugins_registry*"]
[tool.setuptools.package-data]
"molecule_runtime" = ["py.typed"]
"plugins_registry" = ["py.typed"]
"""
@ -473,6 +474,18 @@ def main() -> int:
py_files = copy_tree_filtered(src, pkg_dir)
print(f"[build] copied {len(py_files)} .py files")
# Install plugins_registry/ at the wheel TOP LEVEL so that plugin adapter
# code (workspace-template-*) can use bare `from plugins_registry import ...`.
# The molecule-runtime package (molecule_runtime/) also ships it at
# molecule_runtime/plugins_registry/ (satisfies the rewritten
# `from molecule_runtime.plugins_registry import ...` in adapter_base.py).
# Both copies coexist: they serve different import namespaces.
plugins_src = src / "plugins_registry"
plugins_dst = out / "plugins_registry"
if plugins_src.is_dir():
shutil.copytree(plugins_src, plugins_dst)
print(f"[build] installed plugins_registry/ at top level (bare-import shim)")
# Ensure top-level package marker exists. workspace/ doesn't have one
# (it's not a package in monorepo), but the published artifact must.
init = pkg_dir / "__init__.py"