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#!/usr/bin/python | |
# -*- coding: utf-8 -*- | |
import logging | |
import os | |
from logging.handlers import RotatingFileHandler | |
class LogManager: | |
def __init__(self, log_name, | |
log_format='%(asctime)s:%(name)s:%(levelname)s - %(message)s', | |
folder='logs/', maxSize=20, backupCount=5): | |
""" | |
Constructor. | |
Parameters | |
---------- | |
log_name : string | |
log file name. | |
log_format : string | |
Log formatter. | |
folder : string | |
Folder of storage log files. | |
maxSize : int | |
Maximum file size (in megabytes). | |
backupCount : int | |
Backup of the last 5 files. | |
""" | |
# Logger | |
self.logger = logging.getLogger(log_name) | |
self.logger.setLevel(logging.DEBUG) | |
# Checks if storage folder exists. | |
if not os.path.isdir(folder): | |
os.makedirs(folder) | |
# Creates logging handlers | |
# "_" + time.strftime("%d-%m-%y_%H:%M:%S") + ".log" | |
filename = folder + log_name + ".log" | |
# Defines logging format | |
formatter = logging.Formatter(log_format) | |
# The rotating file handler limit file to 100MB and creates backups of the last 5 files. | |
file_handler = RotatingFileHandler( | |
filename, mode='a', maxBytes=maxSize*1024*1024, | |
backupCount=backupCount, encoding=None, delay=False) | |
file_handler.setFormatter(formatter) | |
file_handler.setLevel(logging.DEBUG) | |
# Channel handler | |
channel_handler = logging.StreamHandler() | |
channel_handler.setLevel(logging.DEBUG) | |
channel_handler.setFormatter(formatter) | |
# Add handlers to logger | |
self.logger.addHandler(file_handler) | |
self.logger.addHandler(channel_handler) | |
def info(self, message): | |
""" | |
Logging info messages. | |
Parameters | |
---------- | |
message : string | |
Message to print and store in log file. | |
""" | |
self.logger.info(message) | |
def error(self, message): | |
""" | |
Logging error messages. | |
Parameters | |
---------- | |
message : string | |
Message to print and store in log file. | |
""" | |
self.logger.error(message) | |
def exception(self, message): | |
""" | |
Logging exception messages. | |
Parameters | |
---------- | |
message : string | |
Message to print and store in log file. | |
""" | |
self.logger.exception(message) | |
def debug(self, message): | |
""" | |
Logging debug messages. | |
Parameters | |
---------- | |
message : string | |
Message to print and store in log file. | |
""" | |
self.logger.debug(message) | |
def warning(self, message): | |
""" | |
Logging warning messages. | |
Parameters | |
---------- | |
message : string | |
Message to print and store in log file. | |
""" | |
self.logger.warning(message) | |
def critical(self, message): | |
""" | |
Logging critical messages. | |
Parameters | |
---------- | |
message : string | |
Message to print and store in log file. | |
""" | |
self.logger.critical(message) |
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