Support reading directly from zipfile.Path objects.

[daviewales]

Support reading directly from zipfile.Path objects.

[cjackal]

While polars support the python standard pathlib.Path source, what actually happens is reading the path string from the input Path (happening at _prepare_file_arg in the traceback) and passing it to rust backend.

polars is yet to support arbitrary python path objects like zipfile.Path (or, frankly speaking, a path object is not a well-defined concept in python thus polars cannot properly check whether it is a path object or not), so I think your workaround is indeed the current best solution. In any case, current internal mechanism of polars requires reading the file content to memory on python side, so there is no performance penalty even if zipfile.Path support is added.

[daviewales]

Thanks. I guess any future improvement would depend on the rust backend gaining support for reading/scanning paths in zip files? And then a special case could be added to the Python library to extract the required information from zipfile.Path and pass it to the rust backend?