On Wed, Jan 25, 2017 at 10:18 AM, Petr Viktorin <encu...@gmail.com> wrote:
> On 01/25/2017 04:04 PM, Todd wrote: > >> On Wed, Jan 25, 2017 at 12:25 AM, Stephen J. Turnbull >> <turnbull.stephen...@u.tsukuba.ac.jp >> <mailto:turnbull.stephen...@u.tsukuba.ac.jp>> wrote: >> >> I'm just going to let fly with the +1s and -1s, don't take them too >> seriously, they're basically impressionistic (I'm not a huge user of >> pathlib yet). >> >> Todd writes: >> >> > So although the names are tentative, perhaps there could be a >> "fullsuffix" >> > property to return the extensions as a single string, >> >> -0 '.'.join(p.suffixes) vs. p.fullsuffix? TOOWTDI says no. I >> also don't really see the use case. >> >> >> The whole point of pathlib is to provide convenience functions for >> common path-related operations. It is full of methods and properties >> that could be implemented other ways. >> >> Dealing with multi-part extensions, at least for me, is extremely >> common. A ".tar.gz" file is not the same as a ".tar.bz2" or a >> ".svg.gz". When I want to find a ".tar.gz" file, having to deal with >> the ".tar" and ".gz" parts separately is nothing but a nuisance. If I >> want to find and extract ".rar" files, I don't want ".part1.rar" files, >> ".part2.rar" files, and so on. So for me dealing with the extension as >> a single unit, rather than individual parts, is the most common approach. >> > > But what if the .tar.gz file is called "spam-4.2.5-final.tar.gz"? > Existing tools like glob and endswith() can deal with the ".tar.gz" > extension reliably, but "fullsuffix" would, arguably, not give the answers > you want. > I wouldn't use it in that situation. The existing "suffix" and "stem" properties also only work reliably under certain situations. > > Perhaps more specialized tools would be useful, though, for example: > repacked_path = original_path.replace_suffix(".tar.gz", ".zip") > > That is helpful if I want to rename, not if I want to (for example) uncompress a file.
_______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
