[Python-ideas] tarfile.extractall progress

[Paul Moore]

On 1 September 2017 at 12:50, Tarek Ziadé <tarek at ziade.org> wrote:
> Hey,
>
> For large archives, I want to display a progress bar while the archive
> is being extracted with:
>
> https://docs.python.org/3/library/tarfile.html#tarfile.TarFile.extractall
>
> I could write my own version of extractall() to do this, or maybe we
> could introduce a callback option that gets called
> everytime .extract() is called in extractall()
>
> The callback can receive the tarinfo object and where it's being
> extracted. This is enough to plug a progress bar
> and avoid reinventing .extractall()
>
> I can add a ticket and maybe a patch if people think this is a good
> little enhancement

Sounds like a reasonable enhancement, but for your particular use
couldn't you just subclass TarFile and call your progress callback at
the end of the extract method after the base class extract?

Paul