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53 lines
1.7 KiB
Python
53 lines
1.7 KiB
Python
"""The one abstraction every shareable thing implements. Export walks
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dependencies() into a closure; import calls import_() leaves-first, rewiring
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cross-refs through the RemapTable. Secret redaction is centralized in closure +
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ziputil so a new entity physically can't forget to scrub itself."""
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from __future__ import annotations
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from dataclasses import dataclass
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from typing import ClassVar, Protocol, runtime_checkable
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from backend.apps.swarm.models import EntityType, Requirement
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@dataclass
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class DepRef:
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"""A local reference one entity holds to another, before bundling."""
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type: EntityType
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local_id: str
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relation: str = ""
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class ExportContext(Protocol):
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# Lets an entity rewrite its own cross-refs from local ids to bundle ids.
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def bundle_id_for(self, etype: EntityType, local_id: str) -> str | None: ...
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class RemapTable:
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"""bundle_id -> fresh local id, filled as import walks entities leaves-first."""
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def __init__(self) -> None:
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self.p_m: dict[str, str] = {}
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def assign(self, bundle_id: str, local_id: str) -> None:
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self.p_m[bundle_id] = local_id
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def local(self, bundle_id: str) -> str | None:
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return self.p_m.get(bundle_id)
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@runtime_checkable
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class Exportable(Protocol):
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type: ClassVar[EntityType]
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local_id: str
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name: str
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@classmethod
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def load(cls, local_id: str) -> "Exportable | None": ...
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def serialize(self, ctx: ExportContext) -> dict: ...
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def files(self) -> dict[str, bytes]: ...
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def dependencies(self) -> list[DepRef]: ...
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def requirements(self) -> list[Requirement]: ...
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@classmethod
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def import_(cls, payload: dict, files: dict[str, bytes], remap: RemapTable) -> str: ...
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