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Python

# Copyright (c) 2020 PaddlePaddle Authors. All Rights Reserve.
#
# 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.
import logging
import os
import sys
import datetime
from paddle.distributed import ParallelEnv
Color = {
'RED': '\033[31m',
'HEADER': '\033[35m', # deep purple
'PURPLE': '\033[95m', # purple
'OKBLUE': '\033[94m',
'OKGREEN': '\033[92m',
'WARNING': '\033[93m',
'FAIL': '\033[91m',
'ENDC': '\033[0m'
}
def coloring(message, color="OKGREEN"):
assert color in Color.keys()
if os.environ.get('COLORING', True):
return Color[color] + str(message) + Color["ENDC"]
else:
return message
logger_initialized = []
def setup_logger(output=None, name="paddlevideo", level="INFO"):
"""
Initialize the paddlevideo logger and set its verbosity level to "INFO".
Args:
output (str): a file name or a directory to save log. If None, will not save log file.
If ends with ".txt" or ".log", assumed to be a file name.
Otherwise, logs will be saved to `output/log.txt`.
name (str): the root module name of this logger
Returns:
logging.Logger: a logger
"""
def time_zone(sec, fmt):
real_time = datetime.datetime.now()
return real_time.timetuple()
logging.Formatter.converter = time_zone
logger = logging.getLogger(name)
if level == "INFO":
logger.setLevel(logging.INFO)
elif level=="DEBUG":
logger.setLevel(logging.DEBUG)
logger.propagate = False
if level == "DEBUG":
plain_formatter = logging.Formatter(
"[%(asctime)s] %(name)s %(levelname)s: %(message)s",
datefmt="%m/%d %H:%M:%S")
else:
plain_formatter = logging.Formatter(
"[%(asctime)s] %(message)s",
datefmt="%m/%d %H:%M:%S")
# stdout logging: master only
local_rank = ParallelEnv().local_rank
if local_rank == 0:
ch = logging.StreamHandler(stream=sys.stdout)
ch.setLevel(logging.DEBUG)
formatter = plain_formatter
ch.setFormatter(formatter)
logger.addHandler(ch)
# file logging: all workers
if output is not None:
if output.endswith(".txt") or output.endswith(".log"):
filename = output
else:
filename = os.path.join(output, ".log.txt")
if local_rank > 0:
filename = filename + ".rank{}".format(local_rank)
# PathManager.mkdirs(os.path.dirname(filename))
os.makedirs(os.path.dirname(filename), exist_ok=True)
# fh = logging.StreamHandler(_cached_log_stream(filename)
fh = logging.FileHandler(filename, mode='a')
fh.setLevel(logging.DEBUG)
fh.setFormatter(plain_formatter)
logger.addHandler(fh)
logger_initialized.append(name)
return logger
def get_logger(name, output=None):
logger = logging.getLogger(name)
if name in logger_initialized:
return logger
return setup_logger(name=name, output=name)