Re: [BuildStream] [Proposal] Plugin fragmentation / Treating Plugins as Sources

[Angelos Evripiotis <angelos evripiotis gmail com>]

Happy weekend both! :)

On Fri, Apr 12, 2019 at 8:36 AM Tristan Van Berkom
<tristan vanberkom codethink co uk> wrote:

> My idea of a `venv` origin is that every version of every BuildStream
> plugin from this origin, lives in it's own, isolated venv (i.e. my idea
> would have been to "make it actually safe").

> As far as I can see, this would require that we never instantiate
> plugins in the main BuildStream process, and also that we never assume
> that it is okay to have two plugins instatiated in the same process.

I like the idea of per-plugin venvs too, I have a feeling that we can
have them co-exist in the same process though, with some extra
PluginBase-like-import-magic . Is this what you are also thinking
Chandan? I wasn't totally clear. Perhaps it's not as simple as that;
I'm keen to dig deeper.