def init_logging(config=None):
"""
Sets up the logging for the project. This will be to one of (in order)
* a log file is specified in the config
* syslog is running as a deamon
* the console otherwise
:param config: The configuration for the bot.
:type config: configparser.ConfigParser
"""
logging.basicConfig(
format='[%(asctime)s][%(levelname)-5s] %(message)s',
datefmt='%Y-%m-%d %I:%M:%S %p',
level=logging.INFO
)
if not config:
# No config (not loaded yet) basic default console logger for now
return
# See if we're to remove the console logger
if not config.getboolean('Logging', 'console', fallback=True):
for handler in logging.getLogger().handlers:
if isinstance(handler, logging.StreamHandler):
logging.getLogger().removeHandler(handler)
# Check to see if syslog logging is available
if config.getboolean('Logging', 'syslog', fallback=False):
# Defaults unless overridden
server = config.get('Syslog Logging', 'server', fallback='localhost')
port = config.getint('Syslog Logging', 'port', fallback=514)
facility = config.get('Syslog Logging', 'facility', fallback='daemon')
name = config.get('Slack', 'bot_name', fallback=__project_name__)
address = (server, port)
if '/' in server:
# An alternative to providing a (host, port) tuple is providing an address
# as a string, for example ‘/dev/log’. In this case, a Unix domain socket is
# used to send the message to the syslog.
address = server
handler = SysLogHandler(address=address, facility=facility)
# Handler does not include the process name or PID, we we have to put that in the
# message format. It's a bit ugly and I don't know why the standard syslog
# class is not used.
formatter = logging.Formatter(name + '[%(process)d]: %(message)s')
handler.setFormatter(formatter)
# Add this to the root logger. Hopefully every logger created after this will
# inherit this handler
logging.getLogger().addHandler(handler)
# Update the log level from config
level_name = config.get('Logging', 'level', fallback='info').upper()
logging.getLogger().setLevel(level_name)
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