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refactor(queue): use utf-8, drop unused imports, atomic fail()

This commit is contained in:
beo3000 2026-06-15 17:02:44 +02:00
parent fbed5829db
commit b87462fb4c
1 changed files with 8 additions and 6 deletions
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14
src/journal_bot/queue.py
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@ -1,7 +1,6 @@
import json
from pathlib import Path
from typing import Optional
from pydantic import BaseModel, Field
from pydantic import BaseModel
class QueueItem(BaseModel):
@ -34,7 +33,7 @@ class Queue:
def enqueue(self, item: QueueItem) -> None:
target = self._path(self.pending, item.update_id)
tmp = target.with_suffix(".tmp")
tmp.write_text(item.model_dump_json())
tmp.write_text(item.model_dump_json(), encoding="utf-8")
tmp.replace(target)
def claim_next(self) -> Optional[QueueItem]:
@ -44,7 +43,7 @@ class Queue:
src.rename(dst)
except FileNotFoundError:
continue
return QueueItem.model_validate_json(dst.read_text())
return QueueItem.model_validate_json(dst.read_text(encoding="utf-8"))
return None
def complete(self, item: QueueItem) -> None:
@ -59,8 +58,11 @@ class Queue:
dst = self._path(self.failed, item.update_id)
else:
dst = self._path(self.pending, item.update_id)
tmp = src.with_suffix(".tmp")
tmp.write_text(item.model_dump_json())
# Write tmp inside destination dir, then atomically replace into dst.
# If we crash before unlinking src, dst is already in place; the
# working/ entry becomes an orphan but no item is ever missing.
tmp = dst.with_suffix(".tmp")
tmp.write_text(item.model_dump_json(), encoding="utf-8")
tmp.replace(dst)
if src.exists():
src.unlink()