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# Copyright 2021 The Pigweed Authors
#
# 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.
"""Defines argument types for use with argparse."""
import argparse
import logging
from pathlib import Path
def directory(arg: str) -> Path:
path = Path(arg)
if path.is_dir():
return path.resolve()
raise argparse.ArgumentTypeError(f'"{path}" is not a directory')
def log_level(arg: str) -> int:
try:
return getattr(logging, arg.upper())
except AttributeError:
raise argparse.ArgumentTypeError(
f'"{arg.upper()}" is not a valid log level')
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