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* feat: simplify plugin setup and add management CLI * fix: isolate plugin CLI import side effects * refactor: streamline plugin validation * fix: route plugin CLI arguments independently * fix: support standard plugin source layouts
35 lines
1.3 KiB
Python
35 lines
1.3 KiB
Python
"""Safe loading boundary for third-party Python entry points."""
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from importlib import metadata
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from typing import Any
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PLUGIN_ENTRY_POINT_GROUP = "reme.plugins"
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CONFIG_ENTRY_POINT_GROUP = "reme.configs"
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def find_entry_points(group: str, name: str) -> list[metadata.EntryPoint]:
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"""Return all matching entry points without importing their providers."""
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return list(metadata.entry_points().select(group=group, name=name))
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def unique_entry_point(
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entries: list[metadata.EntryPoint],
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name: str,
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*,
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provider: str,
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) -> metadata.EntryPoint | None:
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"""Return the sole matching entry point, rejecting ambiguous providers."""
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if len(entries) > 1:
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values = ", ".join(sorted(entry.value for entry in entries))
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raise ValueError(f"{provider} '{name}' has multiple installed providers: {values}")
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return entries[0] if entries else None
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def load_entry_point(entry: metadata.EntryPoint, *, invoke: bool = False) -> Any:
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"""Load and optionally invoke an entry point without retaining registrations."""
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# Import lazily so config parser imports do not pull in the component graph.
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from .components.component_registry import R
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with R.preserve(allow_mutation=True):
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loaded = entry.load()
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return loaded() if invoke and callable(loaded) else loaded
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