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import logging
import os
import sys
import threading
from typing import Optional
from .settings_utils import get_settings
settings = get_settings()
_lock = threading.Lock()
_default_handler: Optional[logging.Handler] = None
log_levels = {
"debug": logging.DEBUG,
"info": logging.INFO,
"warning": logging.WARNING,
"error": logging.ERROR,
"critical": logging.CRITICAL,
}
def _get_default_logging_level():
try:
return log_levels[settings.default_verbosity]
except KeyError as e:
raise ValueError(
f"unitxt.settings.default_verobsity or env variable UNITXT_DEFAULT_VERBOSITY has to be one of: { ', '.join(log_levels.keys()) }. Got {settings.default_verbosity}."
) from e
def _get_library_root_logger() -> logging.Logger:
return logging.getLogger(__name__.split(".")[0])
class SizeLimitedFormatter(logging.Formatter):
def format(self, record):
original_message = super().format(record)
max_size = settings.max_log_message_size
if len(original_message) > max_size:
return (
original_message[:max_size]
+ f"...\n(Message is too long > {max_size}. Can be set through unitxt.settings.max_log_message_size or UNITXT_MAX_LOG_MESSAGE_SIZE environment variable.)"
)
return original_message
def _configure_library_root_logger() -> None:
global _default_handler
with _lock:
if _default_handler is not None:
return
_default_handler = logging.StreamHandler(sys.stdout)
if sys.stderr is None:
sys.stderr = open(os.devnull, "w")
_default_handler.flush = sys.stderr.flush
_default_handler.setFormatter(SizeLimitedFormatter())
library_root_logger = _get_library_root_logger()
library_root_logger.addHandler(_default_handler)
library_root_logger.setLevel(_get_default_logging_level())
library_root_logger.propagate = False
def get_logger(name: Optional[str] = None) -> logging.Logger:
if name is None:
name = __name__.split(".")[0]
_configure_library_root_logger()
return logging.getLogger(name)
settings._logger = get_logger("settings")
def set_verbosity(level):
_configure_library_root_logger()
_get_library_root_logger().setLevel(log_levels.get(level))
def enable_explicit_format() -> None:
for handler in _get_library_root_logger().handlers:
formatter = SizeLimitedFormatter(
"[Unitxt|%(levelname)s|%(filename)s:%(lineno)s] %(asctime)s >> %(message)s"
)
handler.setFormatter(formatter)
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