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8b306b3 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | # Copyright (c) 2025 ByteDance Ltd. and/or its affiliates.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
Logging utility functions.
"""
import logging
import sys
from typing import Optional
from .distributed import get_global_rank, get_local_rank, get_world_size
def get_logger(name: Optional[str] = None) -> logging.Logger:
logger = logging.getLogger(name)
logger.setLevel(logging.INFO)
logger.propagate = False # 修复: 禁用日志传播，防止日志被父级 logger 重复处理
if not logger.handlers: # 只看自身，避免祖先影响
h = logging.StreamHandler(sys.stdout)
fmt = logging.Formatter(
"[%(asctime)s] "
+ (f"[Rank:{get_global_rank()}]" if get_world_size() > 1 else "")
+ (f"[LocalRank:{get_local_rank()}]" if get_world_size() > 1 else "")
+ "[%(pathname)s:%(lineno)d][%(threadName).12s][%(name)s][%(levelname).5s] %(message)s"
)
h.setFormatter(fmt)
logger.addHandler(h)
return logger
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