logging_utils.py
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"""Shared translation logging context helpers."""
from __future__ import annotations
import contextvars
import logging
import uuid
from typing import Optional
_translation_request_id_var: contextvars.ContextVar[Optional[str]] = contextvars.ContextVar(
"translation_request_id",
default=None,
)
def current_translation_request_id() -> str:
return _translation_request_id_var.get() or "-1"
def bind_translation_request_id(request_id: Optional[str] = None) -> tuple[str, contextvars.Token]:
raw_value = str(request_id or "").strip()
normalized = raw_value[:32] if raw_value else str(uuid.uuid4())[:8]
return normalized, _translation_request_id_var.set(normalized)
def reset_translation_request_id(token: contextvars.Token) -> None:
_translation_request_id_var.reset(token)
class TranslationRequestFilter(logging.Filter):
"""Inject a request id into translator logs when one is available."""
def filter(self, record: logging.LogRecord) -> bool:
if not hasattr(record, "reqid"):
record.reqid = current_translation_request_id()
return True