Description

While these functions had internal usage, they are trivally replacable by either os.path methods or pathlib calls. We envision the future of NDSL to work with pathlib as interface to the filesystem.

This PR is to be seen in preparation for and context of issue #243, which proposes a bigger cleanup in the directory structure of this package. If we can get rid of some deprecated API first, transition will be easier.

How has this been tested?

Added new tests to ensure that a deprecation warning is shown for the deprecated functions.

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas: N/A
• I have made corresponding changes to the documentation: N/A
• My changes generate no new warnings
  No, but that's kind of the point of adding deprecation warnings ;)
• Any dependent changes have been merged and published in downstream modules: N/A
• New check tests, if applicable, are included