Module path 

Path helpers.

Functions

normalize

Normalize path by resolving . and .. components lexically (without touching the file system). Absolute paths that walk above the root are clamped at the root.

stem_ext

Return the file stem and extension as (stem, ext). Both are "" when the component is absent.

with_extension

Replace the extension of path with new_ext. If new_ext is empty the extension (and its leading .) is removed.