896b1b1012
- introduce the in-process metadata engine and fresh provider adapters - normalize external identity through source_id while keeping id as a compatibility alias - route metadata callers through the new seam and add regression coverage
34 lines
894 B
Python
34 lines
894 B
Python
"""Metadata engine and provider exceptions."""
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from __future__ import annotations
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from typing import Any, Optional
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class MetadataProviderError(RuntimeError):
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"""Base error for metadata provider failures."""
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def __init__(
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self,
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provider: str,
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operation: str,
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message: str,
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*,
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status_code: Optional[int] = None,
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retry_after: Optional[int] = None,
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payload: Any = None,
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) -> None:
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super().__init__(message)
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self.provider = provider
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self.operation = operation
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self.status_code = status_code
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self.retry_after = retry_after
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self.payload = payload
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class MetadataNotFound(MetadataProviderError):
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"""Raised when a provider cannot resolve the requested entity."""
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class MetadataRateLimited(MetadataProviderError):
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"""Raised when a provider asks us to back off."""
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