stable/freqtrade/logger.py

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# pragma pylint: disable=too-few-public-methods
"""
This module contains the class for logger and logging messages
"""
import logging
class Logger(object):
"""
Logging class
"""
def __init__(self, name='', level=logging.INFO) -> None:
"""
Init the logger class
:param name: Name of the Logger scope
:param level: Logger level that should be used
:return: None
"""
self.name = name
self.logger = None
if level is None:
level = logging.INFO
self.level = level
self._init_logger()
def _init_logger(self) -> None:
"""
Setup the bot logger configuration
:return: None
"""
logging.basicConfig(
level=self.level,
format='%(asctime)s - %(name)s - %(levelname)s - %(message)s',
)
self.logger = self.get_logger()
self.set_level(self.level)
def get_logger(self) -> logging.RootLogger:
"""
Return the logger instance to use for sending message
:return: the logger instance
"""
return logging.getLogger(self.name)
def set_name(self, name: str) -> logging.RootLogger:
"""
Set the name of the logger
:param name: Name of the logger
:return: None
"""
self.name = name
self.logger = self.get_logger()
return self.logger
def set_level(self, level) -> None:
"""
Set the level of the logger
:param level:
:return: None
"""
self.level = level
self.logger.setLevel(self.level)
def set_format(self, log_format: str, propagate: bool = False) -> None:
"""
Set a new logging format
:return: None
"""
handler = logging.StreamHandler()
len_handlers = len(self.logger.handlers)
if len_handlers:
self.logger.removeHandler(handler)
handler.setFormatter(logging.Formatter(log_format))
self.logger.addHandler(handler)
self.logger.propagate = propagate