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import logging
import os
import sys
import threading
from logging.config import dictConfig
from typing import Any, Dict, Optional
from art import text2art, tprint
from colorama import Fore, Style, init
from rich import get_console
_lock = threading.Lock()
_default_handler: Optional[logging.Handler] = None
_default_log_level = logging.WARNING
# fancy logger
_console = get_console()
class ColorfulFormatter(logging.Formatter):
"""
Formatter to add coloring to log messages by log type
"""
COLORS = {
"WARNING": Fore.YELLOW,
"ERROR": Fore.RED,
"CRITICAL": Fore.RED + Style.BRIGHT,
"DEBUG": Fore.CYAN,
# "INFO": Fore.GREEN,
}
def format(self, record):
record.rank = int(os.getenv("LOCAL_RANK", "0"))
log_message = super().format(record)
return self.COLORS.get(record.levelname, "") + log_message + Fore.RESET
DEFAULT_LOGGING_CONFIG: Dict[str, Any] = {
"version": 1,
"formatters": {
"simple": {
"format": "[%(asctime)s] [%(levelname)s] [%(name)s.%(funcName)s:%(lineno)d] [PID:%(process)d] %(message)s",
},
"colorful": {
"()": ColorfulFormatter,
"format": "[%(asctime)s] [%(levelname)s] [%(name)s.%(funcName)s:%(lineno)d] [PID:%(process)d] [RANK:%(rank)d] %(message)s",
},
},
"filters": {},
"handlers": {
"console": {
"class": "logging.StreamHandler",
"formatter": "simple",
"filters": [],
"stream": sys.stdout,
},
"color_console": {
"class": "logging.StreamHandler",
"formatter": "colorful",
"filters": [],
"stream": sys.stdout,
},
},
"root": {"handlers": ["console"], "level": os.getenv("LOG_LEVEL", "INFO")},
"loggers": {
"relik": {
"handlers": ["color_console"],
"level": "DEBUG",
"propagate": False,
},
},
}
def configure_logging(**kwargs):
"""Configure with default logging"""
init() # Initialize colorama
# merge DEFAULT_LOGGING_CONFIG with kwargs
logger_config = DEFAULT_LOGGING_CONFIG
if kwargs:
logger_config.update(kwargs)
dictConfig(logger_config)
def _get_library_name() -> str:
return __name__.split(".")[0]
def _get_library_root_logger() -> logging.Logger:
return logging.getLogger(_get_library_name())
def _configure_library_root_logger() -> None:
global _default_handler
with _lock:
if _default_handler:
# This library has already configured the library root logger.
return
_default_handler = logging.StreamHandler() # Set sys.stderr as stream.
_default_handler.flush = sys.stderr.flush
# Apply our default configuration to the library root logger.
library_root_logger = _get_library_root_logger()
library_root_logger.addHandler(_default_handler)
library_root_logger.setLevel(_default_log_level)
library_root_logger.propagate = False
def _reset_library_root_logger() -> None:
global _default_handler
with _lock:
if not _default_handler:
return
library_root_logger = _get_library_root_logger()
library_root_logger.removeHandler(_default_handler)
library_root_logger.setLevel(logging.NOTSET)
_default_handler = None
def set_log_level(level: int, logger: logging.Logger = None) -> None:
"""
Set the log level.
Args:
level (:obj:`int`):
Logging level.
logger (:obj:`logging.Logger`):
Logger to set the log level.
"""
if not logger:
_configure_library_root_logger()
logger = _get_library_root_logger()
logger.setLevel(level)
def get_logger(
name: Optional[str] = None,
level: Optional[int] = None,
formatter: Optional[str] = None,
**kwargs,
) -> logging.Logger:
"""
Return a logger with the specified name.
"""
configure_logging(**kwargs)
if name is None:
name = _get_library_name()
_configure_library_root_logger()
if level is not None:
set_log_level(level)
if formatter is None:
formatter = logging.Formatter(
"%(asctime)s - %(levelname)s - %(name)s - %(message)s"
)
_default_handler.setFormatter(formatter)
return logging.getLogger(name)
def get_console_logger():
return _console
def print_relik_text_art(text: str = "relik", font: str = "larry3d", **kwargs):
tprint(text, font=font, **kwargs)