import sys
import logging
# Create a logger.
logger = logging.getLogger("dpet")
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def set_verbosity(level: str, stream: str = None):
"""Allows to change the verbosity of IDPET."""
if stream is not None and stream not in ("err", "out"):
raise ValueError(stream)
logger.setLevel(getattr(logging, level))
# Add a console handler.
if logger.hasHandlers():
logger.handlers.clear()
if stream is None or stream == "err":
ch = logging.StreamHandler()
elif stream == "out":
ch = logging.StreamHandler(sys.stdout)
else:
raise ValueError(stream)
ch.setFormatter(logging.Formatter('%(message)s'))
logger.addHandler(ch)
# Default verbosity.
set_verbosity("WARN")