On 2/18/19 9:19 PM, Ben Cotton wrote:
https://fedoraproject.org/wiki/Changes/BuildRequires_Generators

= BuildRequires Generators =

== Summary ==
Add possibility to generate build-time dependencies within RPM spec
file and teach RPM and mock how to handle this.


I am very excited about this change. Count with me for Python. Is there a (draft) API to start coding against?

In Python, there's an effort to enable things like this generator, e.g. [PEP 517].

Here, gathering BuildRequires is a two-step process:

- the "build backend" is specified in declarative metadata;
- then the build backend can query backend-specific metadata for additional BuildRequires.

Is that possible with the current plans?


BTW: New versions of Python's usual build system (setuptools/setup.py) will be forward compatible with PEP 517. Please do not write generators that use setup.py directly.
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