Structured, Exchangeable lock file format (requirements.txt 2.0?)

[encukou (Petr Viktorin)]

@njs

the conda:numpy package has some metadata saying that it Provides: pypi:numpy . Therefore, it concludes, conda:numpy can satisfy the this wheel’s dependency.

Fedora does that with RPM. I put some details in a new topic:

Virtual provides for cross-ecosystem dependencies

Continuing the discussion from Structured, Exchangeable lock file format (requirements.txt 2.0?): Nathaniel wrote: What if we invented a new meta-namespace, that included both? So e.g. "pypi:gulp" would mean “what pypi calls gulp”, and "conda:gulp" would mean “what conda calls gulp”, and now we can use both vocabularies at the same time without namespace collisions. And we’ll also need a meta-meta-namespace to tell us what the pypi: and conda: mean! More seriously, the idea is almost exact…