[Nix-dev] Build a default.nix for a project with node.js and python dependencies

[Rok Garbas]

to generate nix expressions from pip's requirements.txt file i created
pypi2nix[1] which should get you very close.

[1] https://github.com/garbas/pypi2nix

On Mon, Sep 5, 2016 at 11:25 PM, Sander van der Burg
<svanderburg at gmail.com> wrote:
> A bit difficult to give a very concrete answer, since there are many ways to
> create hybrid packages.
>
> Anyway, a possible strategy is to create a derivation/package that runs pip
> and keeps the resulting output source tree. Then use node2nix to generate
> Nix expressions from package.json file that is in the same project.
>
> Then override the node2nix generated expression (see the README.md of
> node2nix how to do this) and point the src = parameter to the derivation
> that runs pip (and keeps the corresponding source tree).
>
> Quite a bit of hacking, but if the steps that you describe are correct, then
> I expect it to work.
>
>
> On Mon, Sep 5, 2016 at 5:22 PM, Dmitry Malikov <malikov.d.y at gmail.com>
> wrote:
>>
>> Hey guys,
>>
>> There is a project with node.js and python dependencies which is need to
>> be run inside an isolated environment.
>>
>> Right now the whole flow consists of 3 steps:
>>
>> pip install -r requirements.txt --upgrade
>> npm install
>> npm run build
>>
>> What I'm looking for is a single default.nix file built basing on
>> dependencies listed in 'requirements.txt' and 'package.json' files, allowing
>> to do these steps via 'nix-shell' command.
>>
>> Could you please point me at the right direction?
>>
>> Thanks.
>>
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>>
>
>
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-- 
Rok Garbas
https://garbas.si