paddlenlp.utils.log 源代码

# coding:utf-8
# Copyright (c) 2020  PaddlePaddle Authors. All Rights Reserved.
#
# 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
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import contextlib
import copy
import functools
import logging
import os
import sys
import time
import threading
from typing import List

import colorlog
from colorama import Fore

loggers = {}

log_config = {
    'DEBUG': {
        'level': 10,
        'color': 'purple'
    },
    'INFO': {
        'level': 20,
        'color': 'green'
    },
    'TRAIN': {
        'level': 21,
        'color': 'cyan'
    },
    'EVAL': {
        'level': 22,
        'color': 'blue'
    },
    'WARNING': {
        'level': 30,
        'color': 'yellow'
    },
    'ERROR': {
        'level': 40,
        'color': 'red'
    },
    'CRITICAL': {
        'level': 50,
        'color': 'bold_red'
    }
}


[文档]class Logger(object): ''' Deafult logger in PaddleNLP Args: name(str) : Logger name, default is 'PaddleNLP' ''' def __init__(self, name: str=None): name = 'PaddleNLP' if not name else name self.logger = logging.getLogger(name) for key, conf in log_config.items(): logging.addLevelName(conf['level'], key) self.__dict__[key] = functools.partial(self.__call__, conf['level']) self.__dict__[key.lower()] = functools.partial(self.__call__, conf['level']) self.format = colorlog.ColoredFormatter( '%(log_color)s[%(asctime)-15s] [%(levelname)8s]%(reset)s - %(message)s', log_colors={ key: conf['color'] for key, conf in log_config.items() }) self.handler = logging.StreamHandler() self.handler.setFormatter(self.format) self.logger.addHandler(self.handler) self.logLevel = 'DEBUG' self.logger.setLevel(logging.DEBUG) self.logger.propagate = False self._is_enable = True def disable(self): self._is_enable = False def enable(self): self._is_enable = True @property def is_enable(self) -> bool: return self._is_enable def __call__(self, log_level: str, msg: str): if not self.is_enable: return self.logger.log(log_level, msg) @contextlib.contextmanager def use_terminator(self, terminator: str): old_terminator = self.handler.terminator self.handler.terminator = terminator yield self.handler.terminator = old_terminator
[文档] @contextlib.contextmanager def processing(self, msg: str, interval: float=0.1): ''' Continuously print a progress bar with rotating special effects. Args: msg(str): Message to be printed. interval(float): Rotation interval. Default to 0.1. ''' end = False def _printer(): index = 0 flags = ['\\', '|', '/', '-'] while not end: flag = flags[index % len(flags)] with self.use_terminator('\r'): self.info('{}: {}'.format(msg, flag)) time.sleep(interval) index += 1 t = threading.Thread(target=_printer) t.start() yield end = True
logger = Logger()