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log.py
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log.py
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import os
import logging
from logging import handlers
from werkzeug.exceptions import InternalServerError
basedir = os.path.abspath(os.path.dirname(__file__))
def handle_error(error):
Log.logger().error(error)
return error
class Log:
# set log path and log level
LOG_PATH = os.path.join(basedir, "logs")
LOG_NAME = os.path.join(LOG_PATH, "log.txt")
LOG_LEVEL = "INFO"
current_app = None
@staticmethod
def init_app(app):
Log.current_app = app
if not os.path.exists(Log.LOG_PATH):
os.makedirs(Log.LOG_PATH)
# rename logs by date
file_handler = logging.handlers.TimedRotatingFileHandler(
Log.LOG_NAME, when="D", interval=1, backupCount=0, encoding="utf-8"
)
file_handler.suffix = "%Y-%m-%d.log"
# set handler log level: lower than this level will not be handled by this handler
# a logger can have multiple handlers
file_handler.setLevel(Log.LOG_LEVEL)
fmt = "%(asctime)s-%(levelname)s-%(filename)s-%(funcName)s-%(lineno)s: %(message)s"
formatter = logging.Formatter(fmt)
file_handler.setFormatter(formatter)
# set logger log level: greater than or equal to this level will be handled by this logger
app.logger.setLevel("DEBUG")
app.logger.addHandler(file_handler)
# under DEBUG mode, InternalServerError will not be handled by handle_error
app.register_error_handler(InternalServerError, handle_error)
@staticmethod
def logger():
return Log.current_app.logger