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from dataclasses import dataclass, field
from datetime import datetime
from typing import Any, Optional
@dataclass
class Errors:
failures: list = field(default_factory=list)
freshness_failures_only: bool = True
stale_last_usable_at: Optional[datetime] = None
def append(self, msg: str, revinfo: Any, is_freshness_failure=False):
self.failures.append((msg, revinfo))
self.freshness_failures_only &= is_freshness_failure
def update_stale(self, dt: Optional[datetime]):
if dt is not None:
self.stale_last_usable_at = (
dt
if self.stale_last_usable_at is None
else max(self.stale_last_usable_at, dt)
)
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