[Python-Dev] Why are generated files in the repository?

[Neil Girdhar]

That makes sense.  Thanks for explaining.

On Sun, Jan 25, 2015 at 4:55 AM, Thomas Wouters <thomas at python.org> wrote:

>
>
> On Sun, Jan 25, 2015 at 5:05 AM, Neil Girdhar <mistersheik at gmail.com>
> wrote:
>
>> But you can remove Python/graminit.c and "make clean && make" works,
>> right?
>>
>
> If you can write to the directory, yes. Except if you build in a way that
> you can't run pgen on the host system, like in a cross build (this may have
> been fixed with the last few rounds of cross build fixes) or when
> instrumenting Python. Checking these files in trades very minor "committer
> pain" (tossing merge conflicts and regenerating the files) for equally
> minor pain in the much more diverse group of people compiling CPython.
>
>
>>
>> On Sat, Jan 24, 2015 at 11:00 PM, Nick Coghlan <ncoghlan at gmail.com>
>> wrote:
>>
>>>
>>> On 25 Jan 2015 01:09, "Benjamin Peterson" <benjamin at python.org> wrote:
>>> >
>>> >
>>> >
>>> > On Sat, Jan 24, 2015, at 03:00, Nick Coghlan wrote:
>>> > > On 20 January 2015 at 10:53, Benjamin Peterson <benjamin at python.org>
>>> > > wrote:
>>> > > >
>>> > > >
>>> > > > On Mon, Jan 19, 2015, at 19:40, Neil Girdhar wrote:
>>> > > >> I was also wondering why files like Python/graminit.c are in the
>>> > > >> respository?  They generate spurious merge conflicts.
>>> > > >
>>> > > > Convenience mostly.
>>> > >
>>> > > It also gets us a round a couple of bootstrapping problems, where
>>> > > generating some of those files requires a working Python interpreter,
>>> > > which you may not have if you just cloned the source tree or unpacked
>>> > > the tarball.
>>> >
>>> > We could distribute the generated files in tarballs as part of the
>>> > release process.
>>>
>>> It's far more developer friendly to aim to have builds from a source
>>> check-out "just work" if we can. That's pretty much where we are today
>>> (getting external dependencies for the optional parts on *nix can still be
>>> a bit fiddly - it may be worth maintaining instructions for at least apt
>>> and yum in the developer guide that cover that)
>>>
>>> Cheers,
>>> Nick.
>>>
>>
>>
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>
>
> --
> Thomas Wouters <thomas at python.org>
>
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