Thanks, Tim, this indeed solves my immediate problem!
---david
On Monday, December 22, 2014 12:07:17 PM UTC+1, Tim Holy wrote:
>
> For this specific case, if you're on Linux, from the command line try
> xvfb-run julia -e 'include("my_plotting_script")'
> You'll need xvfb installed, of course.
>
> --Tim
>
> On Monday, December 22, 2014 02:54:49 AM David van Leeuwen wrote:
> > Hello,
> >
> > I've read some of the discussion related to conditional / optional
> module
> > loading, and I am not sure what the status of
> > https://github.com/JuliaLang/julia/pull/6884---I guess it still is open
> for
> > merge. I'm also not sure if it would address the following.
> >
> > I'm in the situation where a (small) part of a package would depend on a
> > plotting package, e.g., Winston, but I would like to be able to use most
> of
> > the functionality on a run-time system without interactive graphics
> > capabilities.
> >
> > A top level `using Winston` now bails out in a command-line-only
> > environment, because there is no DISPLAY environment variable that Tk
> needs
> > that is required by Winston.
> >
> > A load-at-runtime by including the `using Winston` in a clever
> `eval`-way
> > inside a plotting function, such that an attempt to load the package is
> > made only after first call to my plotting function is further
> complicated
> > by the fact that my package needs to import the `plot` function from
> > Winston if I want to call this plotting function `plot(::MyType)`.
> >
> > Any ideas?
> >
> > Thanks,
> >
> > ---david
> >
> > On Wednesday, August 20, 2014 8:16:33 PM UTC+2, Iain Dunning wrote:
> > > Soon you'll be able to use
> https://github.com/JuliaLang/julia/pull/6884
> > > and everything can be much nicer :)
> > >
> > > On Wednesday, August 20, 2014 11:52:38 AM UTC-4, Júlio Hoffimann
> wrote:
> > >> Doesn't just adding Main in front solve the problem?
> > >>
> > >>> view = Main.ImageView.view
> > >>>
> > >>> --Tim
> > >>
> > >> Thanks Tim! It did the trick. The correct solution:
> > >>
> https://github.com/juliohm/ImageQuilting.jl/blob/master/src/imquilt.jl#L2
> > >> 2-L28
> > >>
> > >> It's not ideal, but it works. It would be much nicer if `using
> ImageView`
> > >> raised an ImportError exception or something rather than relying on
> the
> > >> require() function.
> > >>
> > >> I invite everyone to give it a try with a fresh Julia build:
> > >> https://github.com/juliohm/ImageQuilting.jl
> > >>
> > >> Best,
> > >> Júlio.
>
>