[R-pkg-devel] How do you make it possible to run the example that requires a Conda environment?

[Josiah Parry]

Whereas, I just had a CRAN submission fail for using \dontrun{} just once!
🙈

On Fri, Mar 7, 2025 at 06:47 McCrowey, Clinton via R-package-devel <
r-package-devel using r-project.org> wrote:

> I wrapped my examples in \dontrun{} and the CRAN maintainers never
> complained to me.
>
>
>
> Clinton Mccrowey |  Physical Scientist | U.S. Environmental Protection
> Agency - Region III | Air and Radiation Division | Office Number: 14-202 |
> Air Quality Analysis Branch | Philadelphia, PA | Mail Code: 3AD40 | Email:
> mccrowey.clinton using epa.gov | Phone: 215-814-2157 | Fax: 215-814-2124
>
> -----Original Message-----
> From: R-package-devel <r-package-devel-bounces using r-project.org> On Behalf
> Of Ivan Krylov via R-package-devel
> Sent: Wednesday, February 26, 2025 6:50 AM
> Cc: r-package-devel using r-project.org
> Subject: Re: [R-pkg-devel] How do you make it possible to run the example
> that requires a Conda environment?
>
> Caution: This email originated from outside EPA, please exercise
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>
> В Wed, 26 Feb 2025 08:57:10 +0000
> KABILAN S <kabilan151414 using gmail.com> пишет:
>
> > if I submit the package to CRAN, the example is not running and
> > returning an error message. Even if I mention \donttest{} to avoid the
> > automatic checking of example, the CRAN team members are not allowing.
>
> Does it help to use if (reticulate::py_module_available(...)) { ... }
> instead of \donttest{...} in your examples?
>
>
> https://cran.r-project.org/web/packages/reticulate/vignettes/package.html#checking-and-testing-on-cran
>
> --
> Best regards,
> Ivan
>
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