2021-05-16 17:40:53 +02:00

63 lines
1.4 KiB
Python

# Copyright 2020-2021 Ternaris.
# SPDX-License-Identifier: Apache-2.0
"""CLI tool for rosbag conversion."""
from __future__ import annotations
import argparse
import sys
from pathlib import Path
from typing import TYPE_CHECKING
from .converter import ConverterError, convert
if TYPE_CHECKING:
from typing import Callable
def pathtype(exists: bool = True) -> Callable:
"""Path argument for argparse.
Args:
exists: Path should exists in filesystem.
Returns:
Argparse type function.
"""
def topath(pathname: str) -> Path:
path = Path(pathname)
if exists != path.exists():
raise argparse.ArgumentTypeError(
f'{path} should {"exist" if exists else "not exist"}.',
)
return path
return topath
def main() -> None:
"""Parse cli arguments and run conversion."""
parser = argparse.ArgumentParser(description='Convert rosbag1 to rosbag2.')
parser.add_argument(
'src',
type=pathtype(),
help='source path to read rosbag1 from',
)
parser.add_argument(
'--dst',
type=pathtype(exists=False),
help='destination path for rosbag2',
)
args = parser.parse_args()
try:
convert(args.src, args.dst)
except ConverterError as err:
print(f'ERROR: {err}') # noqa: T001
sys.exit(1)
if __name__ == '__main__':
main()