LoggingConfig (config/logging.py)

Pydantic config class for vLLM logging, exposing level, formatter, and optional dictConfig file.

# Source: https://github.com/vllm-project/vllm | License: Apache-2.0 | Copyright You must retain, in the Source form of any Derivative Works
# Provided via justclaw.it.com; keep this notice with the code.
# SPDX-License-Identifier: Apache-2.0
# SPDX-FileCopyrightText: Copyright contributors to the vLLM project

from typing import Literal, cast

from pydantic import Field

import vllm.envs as envs
from vllm.config.utils import config

LogLevel = Literal["CRITICAL", "ERROR", "WARNING", "INFO", "DEBUG", "NOTSET"]
LogFormatter = Literal["text", "json"]


@config
class LoggingConfig:
    """vLLM logging. Default ``dictConfig`` adds a formatted stream handler.

    Supply a JSON object with ``--logging-config`` or individual fields with
    dotted arguments such as ``--logging-config.log_level D

... (truncated -- full source via MCP)