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Why must both PYTHON_JULIACALL_PROJECT and PYTHON_JULIACALL_EXE be set together? #675
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It's because if you have created and instantiated a Julia project (JuliaCall requires the project to be instantiated) then you already have a Julia executable to do that - in which case you should use the same Julia in JuliaCall.
Maybe set
PYTHON_JULIAPKG_PROJECTinstead? This will still use juliapkg for dependency management.Or set
PYTHON_JULIAPKG_EXE=juliaassuming they already have julia in their PATH.JuliaCall requires the project to be instantiated
That's annoying.
I just want to manage my Manifest.toml and Project.toml myself and version control those.
I don't want to have to instantiate them manually.
As well has have access to that location being implictly on myJULIA_LOAD_PATH(though right now I am doing that manually)Maybe set PYTHON_JULIAPKG_PROJECT instead? This will still use juliapkg for dependency management.
This doesn't seem to be anywhere in the docs, what does it do?
That's annoying.
That's just how Julia works - if someone gives you a Project.toml and a Manifest.toml, you have to instantiate it first. JuliaCall intentionally doesn't touch Pkg itself, that is delegated to JuliaPkg. So if you want it automatically instantiated you need to stick with JuliaPkg.
This doesn't seem to be anywhere in the docs, what does it do?
It's here in the JuliaPkg docs although yeah it should also get covered in the JuliaCall docs. It lets you specify where the Julia project is that JuliaPkg installs things into. On JuliaPkg v0.1.20+, if it's a pre-existing project then it will leave existing dependencies alone.
I wanted to set my
PYTHON_JULIACALL_PROJECTmanually because i wanted to manage my julia dependencies manually, so i could use them both in julia (for testing) and via juliacall.And because i didn't want them to be in my conda directory as that doesn't get version controlled and i wanted the manifest to get version controlled
But I didn't want to set my
PYTHON_JULIACALL_EXEbecause I do not know where julia wil be installed on any of my collaborators machines and am happy to let them be worked out by juliapkg.But i tried this and then got an error on
import juliacall