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import logging
import logging.handlers
import os
from pathlib import Path
import arrow
from bot.constants import Client
# Configure the "TRACE" logging level (e.g. "log.trace(message)")
logging.TRACE = 5
logging.addLevelName(logging.TRACE, "TRACE")
def monkeypatch_trace(self, msg, *args, **kwargs):
"""
Log 'msg % args' with severity 'TRACE'.
To pass exception information, use the keyword argument exc_info with
a true value, e.g.
logger.trace("Houston, we have an %s", "interesting problem", exc_info=1)
"""
if self.isEnabledFor(logging.TRACE):
self._log(logging.TRACE, msg, args, **kwargs)
logging.Logger.trace = monkeypatch_trace
# Set timestamp of when execution started (approximately)
start_time = arrow.utcnow()
# Set up file logging
log_dir = Path("bot", "log")
log_file = log_dir / "hackbot.log"
os.makedirs(log_dir, exist_ok=True)
# File handler rotates logs every 5 MB
file_handler = logging.handlers.RotatingFileHandler(
log_file, maxBytes=5*(2**20), backupCount=10)
file_handler.setLevel(logging.TRACE if Client.debug else logging.DEBUG)
# Console handler prints to terminal
console_handler = logging.StreamHandler()
level = logging.TRACE if Client.debug else logging.INFO
console_handler.setLevel(level)
# Remove old loggers, if any
root = logging.getLogger()
if root.handlers:
for handler in root.handlers:
root.removeHandler(handler)
# Silence irrelevant loggers
logging.getLogger("discord").setLevel(logging.ERROR)
logging.getLogger("websockets").setLevel(logging.ERROR)
# Setup new logging configuration
logging.basicConfig(
format='%(asctime)s - %(name)s %(levelname)s: %(message)s',
datefmt="%D %H:%M:%S",
level=logging.TRACE if Client.debug else logging.DEBUG,
handlers=[console_handler, file_handler]
)
logging.getLogger().info('Logging initialization complete')
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