mirror of
https://github.com/hiyouga/LLaMA-Factory.git
synced 2025-10-15 16:18:10 +08:00
83 lines
2.5 KiB
Python
83 lines
2.5 KiB
Python
# Copyright 2024 the LlamaFactory team.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import logging
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import os
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import sys
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from concurrent.futures import ThreadPoolExecutor
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from .constants import RUNNING_LOG
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class LoggerHandler(logging.Handler):
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r"""
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Logger handler used in Web UI.
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"""
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def __init__(self, output_dir: str) -> None:
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super().__init__()
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formatter = logging.Formatter(
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fmt="%(asctime)s - %(levelname)s - %(name)s - %(message)s", datefmt="%m/%d/%Y %H:%M:%S"
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)
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self.setLevel(logging.INFO)
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self.setFormatter(formatter)
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os.makedirs(output_dir, exist_ok=True)
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self.running_log = os.path.join(output_dir, RUNNING_LOG)
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if os.path.exists(self.running_log):
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os.remove(self.running_log)
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self.thread_pool = ThreadPoolExecutor(max_workers=1)
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def _write_log(self, log_entry: str) -> None:
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with open(self.running_log, "a", encoding="utf-8") as f:
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f.write(log_entry + "\n\n")
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def emit(self, record) -> None:
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if record.name == "httpx":
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return
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log_entry = self.format(record)
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self.thread_pool.submit(self._write_log, log_entry)
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def close(self) -> None:
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self.thread_pool.shutdown(wait=True)
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return super().close()
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def get_logger(name: str) -> logging.Logger:
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r"""
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Gets a standard logger with a stream hander to stdout.
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"""
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formatter = logging.Formatter(
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fmt="%(asctime)s - %(levelname)s - %(name)s - %(message)s", datefmt="%m/%d/%Y %H:%M:%S"
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)
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handler = logging.StreamHandler(sys.stdout)
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handler.setFormatter(formatter)
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logger = logging.getLogger(name)
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logger.setLevel(logging.INFO)
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logger.addHandler(handler)
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return logger
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def reset_logging() -> None:
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r"""
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Removes basic config of root logger. (unused in script)
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"""
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root = logging.getLogger()
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list(map(root.removeHandler, root.handlers))
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list(map(root.removeFilter, root.filters))
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