[Rd] R-devel internal errors during check produce?

[Kurt Hornik]

>>>>> Jan Gorecki writes:

> Thank you both,
> You are absolutely correct that example should be minimal, so here it is.

> l = list(a=new.env(), b=new.env())
> unique(l)

> Just for completeness, env_list during check that raises error

> env_list <- list(baseenv(),
>   as.environment("package:graphics"),
>   as.environment("package:stats"),
>   as.environment("package:utils"),
>   as.environment("package:methods")
> )
> unique(env_list)

Thanks ... but the above work fine for me.  E.g., 

R> l = list(a=new.env(), b=new.env())
R> unique(l)
[[1]]
<environment: 0x55695f2f6d20>

[[2]]
<environment: 0x55695f2f6930>

Best
-k


> Best regards,
> Jan

> On Mon, Jun 29, 2020 at 5:42 PM Martin Maechler
> <maechler using stat.math.ethz.ch> wrote:
>> 
>> >>>>> Kurt Hornik
>> >>>>>     on Mon, 29 Jun 2020 16:13:03 +0200 writes:
>> 
>> >>>>> Jan Gorecki writes:
>> >> So the unique.default is from the R tools package during
>> >> checks.  I don't see those issues on CRAN checks.
>> 
>> > I cannot reproduce this locally (and have no clues about
>> > docker).  Perhaps you can try to debug this on your end?
>> > And see what env_list is when the error occurs?
>> 
>> > Best -k
>> 
>> Indeed, if it is a bug in R (as opposed to being an assumption
>> that 'data.table' makes about undocumented R internals), it
>> should be reproducible with a very small dummy package instead
>> of data.table. ... or actually reproducible with relatively
>> simple R code calling unique() not envolving any non base package.
>> 
>> Martin
>> 
>> 
>> >> Exact environment where I am reproducing this issue is a
>> >> fresh ubuntu, no R packages pre-installed docker pull
>> >> registry.gitlab.com/jangorecki/dockerfiles/r-devel
>> >> https://gitlab.com/jangorecki/dockerfiles/-/raw/master/r-devel/Dockerfile
>> 
>> >> On Sat, Jun 27, 2020 at 12:37 AM Jan Gorecki
>> >> <j.gorecki using wit.edu.pl> wrote:
>> >>>
>> >>> Hi R developers,
>> >>>
>> >>> On R-devel (2020-06-24 r78746) I am getting those two
>> >>> new exceptions during R check. I found a change which
>> >>> eventually may be related
>> >>> https://github.com/wch/r-source/commit/69de92b9fb1b7f2a7c8d1394b8d56050881a5465
>> >>> I think this may be a regression. I grep'ed package
>> >>> manuals and R code for unique.default but don't see
>> >>> any. Usage section of the unique method looks fine as
>> >>> well. Errors look a little bit like internal errors.
>> >>>
>> >>> * checking Rd \usage sections ... NOTE Error in
>> >>> unique.default(env_list) : LENGTH or similar applied to
>> >>> environment object Calls: <Anonymous>
>> >>> ... .get_S3_generics_as_seen_from_package -> unique ->
>> >>> unique.default Execution halted The \usage entries for
>> >>> S3 methods should use the \method markup and not their
>> >>> full name.  * checking S3 generic/method consistency
>> >>> ... WARNING Error in unique.default(env_list) : LENGTH
>> >>> or similar applied to environment object Calls:
>> >>> <Anonymous> ... .get_S3_generics_as_seen_from_package ->
>> >>> unique -> unique.default
>> >>>
>> >>> I don't think if it is related but I build R-devel with
>> >>> extra args: --with-recommended-packages
>> >>> --enable-strict-barrier --disable-long-double I check
>> >>> with: --as-cran --no-manual To reproduce download
>> >>> current data.table from CRAN (1.12.8) and run R check
>> >>>
>> >>> Best regards, Jan Gorecki
>> 
>> >> ______________________________________________
>> >> R-devel using r-project.org mailing list
>> >> https://stat.ethz.ch/mailman/listinfo/r-devel
>> 
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