[Scons-users] Is there a pure-python tar builder?

[Bill Deegan]

Daniel,

Would the function be a duplicate of the existing tar tool, just pure
python?
Or different function?

You might take a look at the zip tool which checks for the existence of the
zip package and uses it if available, otherwise calls external zip.
(Likely that can get dropped now as SCons used to support python back to
1.5.7 (I think)).

It might make sense to modify the existing tar tool to do similar?

-Bill



On Mon, Jun 26, 2017 at 11:35 AM, Daniel Holth <dholth at gmail.com> wrote:

> I love reduced parallelism. Anything wrong with writing my own tar builder env
> = Environment(tools=['python_tar']) to overwrite the stock
> env['BUILDERS']['Tar'] with my own pure Python version? The Python tar
> builder will work on any platform and produce exactly the PAX format tar
> files I want with configurable permissions & file timestamps. Then
> hopefully it will work with the packaging tool which already does 95% of
> what I need. Either that or add my new type to SCons.Tool.packaging.__all__
>
> - Daniel
>
> On Mon, Jun 26, 2017 at 11:50 AM Bill Deegan <bill at baddogconsulting.com>
> wrote:
>
>> Daniel,
>>
>> See:
>> https://bitbucket.org/scons/scons/wiki/DistTarBuilder
>> and
>> https://bitbucket.org/scons/scons/wiki/ArchiveBuilder
>>
>> One note, using python code to implement the builder rather than shelling
>> out to run a command will make the builder subject to the GIL and thus
>> reduce parallelism.
>>
>> -Bill
>>
>> On Mon, Jun 26, 2017 at 8:21 AM, Daniel Holth <dholth at gmail.com> wrote:
>>
>>> Hello, I would like to generate .tar.gz archives cross platform and on
>>> Windows by using the Python tar module instead of the tar command, similar
>>> to how the zip builder uses the zipfile module. Has anyone developed such a
>>> builder?
>>>
>>> Thanks,
>>>
>>> Daniel
>>>
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