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The three concrete-backend package inits eagerly imported their `*BottleBackend` (which pulls the whole framework), so importing any leaf under them (e.g. `backend.docker.util`) paid ~78 modules. Give each the same thin `__getattr__` treatment as the top-level backend package: re-export the public class(es) lazily on first access, with a TYPE_CHECKING block for checkers. `import bot_bottle.backend.docker.util` drops from 78 -> 6 bot_bottle modules; the docker/firecracker/macos-container packages themselves are ~3 each. All `from bot_bottle.backend.docker import DockerBottleBackend` call-sites and the lazy selection path keep working. This is what makes backend leaves cheap — and unblocks moving docker_cmd into backend/docker/util if we want. Full unit suite green (2243). Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
30 lines
935 B
Python
30 lines
935 B
Python
"""macOS Apple Container backend.
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Selectable via `BOT_BOTTLE_BACKEND=macos-container`. This package owns the Apple
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`container` CLI integration; launch remains gated until the gateway network
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enforcement shape is implemented.
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Thin by design: `MacosContainerBottleBackend` is re-exported lazily via
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`__getattr__`, so importing a leaf module under this package doesn't drag the
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backend (and the framework it pulls) into memory.
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"""
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from __future__ import annotations
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from typing import TYPE_CHECKING, Any
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if TYPE_CHECKING:
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from .backend import MacosContainerBottleBackend
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def __getattr__(name: str) -> Any:
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if name == "MacosContainerBottleBackend":
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from .backend import MacosContainerBottleBackend
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globals()[name] = MacosContainerBottleBackend
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return MacosContainerBottleBackend
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raise AttributeError(f"module {__name__!r} has no attribute {name!r}")
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__all__ = ["MacosContainerBottleBackend"]
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