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Add comments about PurePath usage

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Julian Stirling 2026-06-05 10:26:20 +00:00
parent 0cb37abffe
commit ef497b8fdd
1 changed files with 3 additions and 0 deletions
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src/openflexure_microscope_server/utilities.py
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@ -166,6 +166,9 @@ def _path_normalised(unsafe_path_string: str) -> bool:
def _no_trailing_dots_or_whitespaces(unsafe_path_string: str) -> bool: def _no_trailing_dots_or_whitespaces(unsafe_path_string: str) -> bool:
"""Disallow trailing dots or whitespace.""" """Disallow trailing dots or whitespace."""
# Use PurePath from Python's standard library to iterate over each element
# in the path as separated by path separators. For example:
# "foo/bar/tada.py" -> ("foo", "bar", "tada.py")
for component in PurePath(unsafe_path_string).parts: for component in PurePath(unsafe_path_string).parts:
if component == "..": if component == "..":
continue continue