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"""
------------------------------------------------
describe:
日志
record system information
level: debug, info, warning, error, critical
CRITICAL 50
ERROR 40
WARNING 30
INFO 20
DEBUG 10
formatter：
%(levelno)s：打印日志级别的数值。
%(levelname)s：打印日志级别的名称。
%(pathname)s：打印当前执行程序的路径，其实就是sys.argv[0]。
%(filename)s：打印当前执行程序名。
%(funcName)s：打印日志的当前函数。
%(lineno)d：打印日志的当前行号。
%(asctime)s：打印日志的时间。
%(thread)d：打印线程ID。
%(threadName)s：打印线程名称。
%(process)d：打印进程ID。
%(processName)s：打印线程名称。
%(module)s：打印模块名称。
%(message)s：打印日志信息。
base_info:
__author__ = "PyGo"
__time__ = "2022/9/14"
__version__ = "v.1.0.0"
__mail__ = "gaoming971366@163.com"
__project__ = "quality-inspect"
usage:
from app.utils.logger import logger
logger.debug('message')
logger.info('message')
logger.warning('message')
logger.error('message')
logger.critical('message')
design:
reference urls:
python version:
python3
Enjoy the good time everyday！！!
Life is short, I use python.
------------------------------------------------
"""
import datetime
import inspect
import logging
import os
import sys
from logging.handlers import RotatingFileHandler
from config import LOG_DIR, LOG_LEVEL, LOG_FORMATTER, LOG_FILENAME_PREFIX
LEVEL = {
'debug': logging.DEBUG,
'info': logging.INFO,
'warning': logging.WARNING,
'error': logging.ERROR,
'critical': logging.CRITICAL
}
logger = logging.getLogger(__name__)
def _get_cur_folder():
if getattr(sys, "frozen", False):
return os.path.dirname(os.path.abspath(__file__))
else:
cur_folder = os.path.dirname(inspect.getfile(inspect.currentframe()))
return os.path.abspath(cur_folder)
def _get_now(format="%Y-%m-%d %H:%M:%S"):
return datetime.datetime.strftime(datetime.datetime.now(), format)
def __get_log_dir():
return os.path.join(_get_cur_folder(), 'log')
logdir = LOG_DIR
level = LOG_LEVEL
formatter = LOG_FORMATTER
filename_prefix = LOG_FILENAME_PREFIX
if not logdir:
logdir = __get_log_dir()
if not os.path.exists(logdir):
try:
os.makedirs(logdir)
logger.critical('====== log dir is not exist, create: %s ======' % logdir)
except:
logger.critical('====== log dir is not exist and create failure, exist: %s ======' % logdir)
sys.exit(1)
if not level:
level = 'debug'
if not formatter:
formatter = '%(asctime)s - %(pathname)s[line:%(lineno)d] - %(levelname)s - %(message)s'
formatter = logging.Formatter(formatter,
datefmt='%Y/%m/%d %H:%M:%S')
log_level = LEVEL.get(level)
logger.setLevel(level=log_level)
log_name = filename_prefix + '_' + _get_now(format="%Y-%m-%d") \
if filename_prefix and filename_prefix != '-' else _get_now(format="%Y-%m-%d")
log_file = os.path.join(logdir, (log_name + '.log'))
file_handler = RotatingFileHandler(log_file,
mode='a',
maxBytes=10*1024*1024,
backupCount=10,
encoding='utf-8')
file_handler.setLevel(log_level)
file_handler.setFormatter(formatter)
logger.addHandler(file_handler)
stream_handler = logging.StreamHandler()
stream_handler.setLevel(log_level)
stream_handler.setFormatter(formatter)
logger.addHandler(stream_handler)
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