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Tips
------------
Sanitize dot-files or dot-directories
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
When you process filenames or filepaths containing ``.`` or ``..`` with the ``sanitize_filename`` function or the ``sanitize_filepath`` function, by default, ``sanitize_filename`` does nothing, and ``sanitize_filepath`` normalizes the filepaths:
.. code-block:: python
print(sanitize_filename("."))
print(sanitize_filepath("hoge/./foo"))
.. code-block:: console
.
hoge/foo
If you would like to replace ``.`` and ``..`` like other reserved words, you need to specify the arguments as follows:
.. code-block:: python
from pathvalidate import sanitize_filepath, sanitize_filename
from pathvalidate.error import ValidationError
def always_add_trailing_underscore(e: ValidationError) -> str:
if e.reusable_name:
return e.reserved_name
return f"{e.reserved_name}_"
print(
sanitize_filename(
".",
reserved_name_handler=always_add_trailing_underscore,
additional_reserved_names=[".", ".."],
)
)
print(
sanitize_filepath(
"hoge/./foo",
normalize=False,
reserved_name_handler=always_add_trailing_underscore,
additional_reserved_names=[".", ".."],
)
)
.. code-block:: console
._
hoge/._/foo
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