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:Sample Code:
.. code-block:: python
from argparse import ArgumentParser
from pathvalidate.argparse import validate_filename_arg, validate_filepath_arg
parser = ArgumentParser()
parser.add_argument("--filename", type=validate_filename_arg)
parser.add_argument("--filepath", type=validate_filepath_arg)
options = parser.parse_args()
if options.filename:
print(f"filename: {options.filename}")
if options.filepath:
print(f"filepath: {options.filepath}")
:Output:
.. code-block:: none
$ ./examples/argparse_validate.py --filename eg
filename: eg
$ ./examples/argparse_validate.py --filename e?g
usage: argparse_validate.py [-h] [--filename FILENAME] [--filepath FILEPATH]
argparse_validate.py: error: argument --filename: [PV1100] invalid characters found: invalids=(':'), value='e:g', platform=Windows
.. note::
``validate_filepath_arg`` consider ``platform`` as of ``"auto"`` if the input is an absolute file path.
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