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140 lines
3.6 KiB
140 lines
3.6 KiB
# Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
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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 contextlib
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import functools
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import logging
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import threading
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import time
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import colorlog
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__all__ = [
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'Logger',
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'logger',
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]
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log_config = {
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'DEBUG': {
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'level': 10,
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'color': 'purple'
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},
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'INFO': {
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'level': 20,
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'color': 'green'
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},
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'TRAIN': {
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'level': 21,
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'color': 'cyan'
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},
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'EVAL': {
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'level': 22,
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'color': 'blue'
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},
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'WARNING': {
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'level': 30,
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'color': 'yellow'
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},
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'ERROR': {
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'level': 40,
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'color': 'red'
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},
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'CRITICAL': {
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'level': 50,
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'color': 'bold_red'
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}
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}
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class Logger(object):
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'''
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Deafult logger in PaddleAudio
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Args:
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name(str) : Logger name, default is 'PaddleAudio'
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'''
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def __init__(self, name: str=None):
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name = 'PaddleAudio' if not name else name
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self.logger = logging.getLogger(name)
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for key, conf in log_config.items():
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logging.addLevelName(conf['level'], key)
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self.__dict__[key] = functools.partial(self.__call__, conf['level'])
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self.__dict__[key.lower()] = functools.partial(self.__call__,
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conf['level'])
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self.format = colorlog.ColoredFormatter(
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'%(log_color)s[%(asctime)-15s] [%(levelname)8s]%(reset)s - %(message)s',
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log_colors={key: conf['color']
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for key, conf in log_config.items()})
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self.handler = logging.StreamHandler()
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self.handler.setFormatter(self.format)
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self.logger.addHandler(self.handler)
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self.logLevel = 'DEBUG'
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self.logger.setLevel(logging.DEBUG)
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self.logger.propagate = False
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self._is_enable = True
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def disable(self):
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self._is_enable = False
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def enable(self):
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self._is_enable = True
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@property
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def is_enable(self) -> bool:
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return self._is_enable
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def __call__(self, log_level: str, msg: str):
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if not self.is_enable:
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return
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self.logger.log(log_level, msg)
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@contextlib.contextmanager
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def use_terminator(self, terminator: str):
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old_terminator = self.handler.terminator
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self.handler.terminator = terminator
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yield
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self.handler.terminator = old_terminator
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@contextlib.contextmanager
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def processing(self, msg: str, interval: float=0.1):
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'''
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Continuously print a progress bar with rotating special effects.
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Args:
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msg(str): Message to be printed.
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interval(float): Rotation interval. Default to 0.1.
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'''
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end = False
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def _printer():
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index = 0
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flags = ['\\', '|', '/', '-']
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while not end:
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flag = flags[index % len(flags)]
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with self.use_terminator('\r'):
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self.info('{}: {}'.format(msg, flag))
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time.sleep(interval)
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index += 1
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t = threading.Thread(target=_printer)
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t.start()
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yield
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end = True
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logger = Logger()
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