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import logging
import os
import sys
import threading
from typing import Optional
_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,
}
_default_log_level = logging.DEBUG
def _get_default_logging_level():
env_level_str = os.getenv("UNITXT_VERBOSITY", None)
if env_level_str is not None:
try:
return log_levels[env_level_str]
except KeyError as e:
raise ValueError(
f"UNITXT_VERBOSITY has to be one of: { ', '.join(log_levels.keys()) }. Got {env_level_str}."
) from e
return _default_log_level
def _get_library_root_logger() -> logging.Logger:
return logging.getLogger(__name__.split(".")[0])
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
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)
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 = logging.Formatter(
"[Unitxt|%(levelname)s|%(filename)s:%(lineno)s] %(asctime)s >> %(message)s"
)
handler.setFormatter(formatter)
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