Files
GIA/core/util/logs.py

81 lines
2.2 KiB
Python

# Other library imports
import logging
import os
log = logging.getLogger("util")
debug = str(os.getenv("GIA_DEBUG_LOGS", "0")).strip().lower() in {
"1",
"true",
"yes",
"on",
}
# Color definitions
BLACK, RED, GREEN, YELLOW, BLUE, MAGENTA, CYAN, WHITE = range(8)
COLORS = {
"WARNING": YELLOW,
"INFO": WHITE,
"DEBUG": BLUE,
"CRITICAL": YELLOW,
"ERROR": RED,
}
RESET_SEQ = "\033[0m"
COLOR_SEQ = "\033[1;%dm"
BOLD_SEQ = "\033[1m"
def formatter_message(message, use_color=True):
if use_color:
message = message.replace("$RESET", RESET_SEQ).replace("$BOLD", BOLD_SEQ)
else:
message = message.replace("$RESET", "").replace("$BOLD", "")
return message
class ColoredFormatter(logging.Formatter):
def __init__(self, msg, use_color=True):
logging.Formatter.__init__(self, msg)
self.use_color = use_color
def format(self, record):
levelname = record.levelname
if self.use_color and levelname in COLORS:
levelname_color = (
COLOR_SEQ % (30 + COLORS[levelname]) + levelname + RESET_SEQ
)
record.levelname = levelname_color
return logging.Formatter.format(self, record)
def get_logger(name):
# Define the logging format
FORMAT = "%(asctime)s %(levelname)18s $BOLD%(name)13s$RESET - %(message)s"
COLOR_FORMAT = formatter_message(FORMAT, True)
color_formatter = ColoredFormatter(COLOR_FORMAT)
# formatter = logging.Formatter(
# Define the logger on the base class
log = logging.getLogger(name)
log.setLevel(logging.INFO)
if debug:
log.setLevel(logging.DEBUG)
# Add exactly one stream handler per logger to avoid duplicate lines.
existing_handler = None
for handler in log.handlers:
if getattr(handler, "_gia_logger_handler", False):
existing_handler = handler
break
if existing_handler is None:
ch = logging.StreamHandler()
ch._gia_logger_handler = True
ch.setFormatter(color_formatter)
log.addHandler(ch)
existing_handler = ch
existing_handler.setLevel(logging.DEBUG if debug else logging.INFO)
log.propagate = False
return log