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# Copyright 2025 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# -----------------------------------------------------------------------------
# Imports
# -----------------------------------------------------------------------------
import functools
import logging
import os
from bumble import colors
# -----------------------------------------------------------------------------
class ColorFormatter(logging.Formatter):
_colorizers = {
logging.DEBUG: functools.partial(colors.color, fg="white"),
logging.INFO: functools.partial(colors.color, fg="green"),
logging.WARNING: functools.partial(colors.color, fg="yellow"),
logging.ERROR: functools.partial(colors.color, fg="red"),
logging.CRITICAL: functools.partial(colors.color, fg="black", bg="red"),
}
_formatters = {
level: logging.Formatter(
fmt=colorizer("{asctime}.{msecs:03.0f} {levelname:.1} {name}: ")
+ "{message}",
datefmt="%H:%M:%S",
style="{",
)
for level, colorizer in _colorizers.items()
}
def format(self, record: logging.LogRecord) -> str:
return self._formatters[record.levelno].format(record)
def setup_basic_logging(default_level: str = "INFO") -> None:
"""
Set up basic logging with logging.basicConfig, configured with a simple formatter
that prints out the date and log level in color.
If the BUMBLE_LOGLEVEL environment variable is set to the name of a log level, it
is used. Otherwise the default_level argument is used.
Args:
default_level: default logging level
"""
handler = logging.StreamHandler()
handler.setFormatter(ColorFormatter())
logging.basicConfig(
level=os.environ.get("BUMBLE_LOGLEVEL", default_level).upper(),
handlers=[handler],
)
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