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chore: import upstream snapshot with attribution
2026-07-13 13:00:43 +08:00

40 lines
1002 B
Python

"""Request-scoped logging context."""
from __future__ import annotations
from collections.abc import Iterator
from contextlib import contextmanager
import contextvars
from typing import Any
LOG_CONTEXT_FIELDS = (
"request_id",
"turn_id",
"session_id",
"task_id",
"capability",
"stage",
"sink",
)
_context: contextvars.ContextVar[dict[str, Any]] = contextvars.ContextVar(
"deeptutor_log_context", default={}
)
def current_log_context() -> dict[str, Any]:
"""Return a copy of the active logging context."""
return dict(_context.get())
@contextmanager
def bind_log_context(**fields: Any) -> Iterator[dict[str, Any]]:
"""Temporarily bind structured fields to all log records in this context."""
clean_fields = {key: value for key, value in fields.items() if value is not None}
previous = _context.get()
token = _context.set({**previous, **clean_fields})
try:
yield current_log_context()
finally:
_context.reset(token)