Hi John,
Because PyCall links directly to the Python libraries, you have to rebuild
it every time you want to use a different version of Python. That includes
switching virtual environments. You do this by setting the environment
variable PYTHON (ENV["PYTHON"] from within Julia) to the location of the
python executable and then running Pkg.build("PyCall"). The process is
pretty quick so you could probably write a function in your .juliarc.jl
file to let you switch between environments. I haven't done this yet
because I just use the root conda environment, but it's what I would do if
I needed to switch between several.
Cheers,
Scott
On Saturday, 20 August 2016 00:53:47 UTC+1, John Hammonds wrote:
>
> I have been using Anaconda Python with their virtual environments. I am
> starting to look into Julia and would like to be able to use PyCall to call
> in python code. I am using the virtual environments to manage different
> projects/versions. My Base Python is fairly minimal, I install most
> packages in the virtenvs, When I use PyCall and @pyimport, I seem to only
> find packages in my base anaconda installation. Is there a clean way to
> switch between different virtual environments when I am using Julia?
>
>
