[R-pkg-devel] Status of adbcpostgresql

2023-10-04 Thread Dewey Dunnington 

Hi all,

I submitted the first release of adbcpostgresql (an R repackaging of 
ADBC's Postgres driver) about a month ago and it has been pending human 
inspection (I think) since then. I did reply-all to the email once to 
inquire about status but haven't heard back. Where is the best place to 
direct communication about the status of the package? I am certainly 
happy to fix any problems that arise.


Cheers,

-dewey

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Re: [R-pkg-devel] Rmarkdown package vignette that reference online images: how to fail gracefully?

2023-10-04 Thread Ivan Krylov 
On Tue, 3 Oct 2023 14:52:26 -0700
Vinh Nguyen  wrote:

> Could not fetch
> https://live.staticflickr.com/65535/52281215570_5f9cc90a12_o.png

This is Pandoc failing to bundle external resources from the final
Markdown file, not your R code.

>  Error: processing vignette
> 'Ex-04-Webscraping-Online-Data-Files.Rmd' failed with diagnostics:
>  pandoc document conversion failed with error 61

My psychic debugging powers tell me that this is the vignette you're
having problems with:
https://github.com/vinhdizzo/IRexamples/blob/main/vignettes/Ex-04-Webscraping-Online-Data-Files.Rmd

If you look at the vignette as it is on CRAN, you can see that the
images aren't actually loaded from live.staticflickr.com, but are
included as base64 PNG blobs in the HTML file. This is much less
efficient than a plain PNG file. I think that your package will become
smaller if you disable this bundling and include the original PNG files
in your package. You may be able to squeeze some more savings by using
pngcrush / optipng to compress the images further.

The parameter responsible for this base64 encoding is called
self_contained, which defaults to TRUE in the rmarkdown::html_document
format, which prettydoc::html_pretty inherits from. Set it to FALSE in
the YAML header of the vignette.

Note that some other scripts and CSS files may be loaded from external
sources if you do that. As a user, I would prefer this not to be the
case, but I don't know enough about rmarkdown to set your vignette up
to bundle everything except the images.

-- 
Best regards,
Ivan

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[R-pkg-devel] Rmarkdown package vignette that reference online images: how to fail gracefully?

2023-10-04 Thread Vinh Nguyen 
Dear members of R-package-devel,

CRAN has the following policy: Packages which use Internet resources
should fail gracefully with an informative message if the resource is
not available or has changed (and not give a check warning nor error).

I have a CRAN-accepted package with vignettes that use Rmarkdown. One
of the vignettes involves a lot of images, so rather than embed the
raw images in the vignette, I reference the images on Flickr (to keep
the package size small enough to be hosted on CRAN). Every half year
or so, I'll get a message from CRAN maintainers that the package is
not failing gracefully on one of their servers due to their build and
testing processes.  The error message looks as follows:

Could not fetch
https://live.staticflickr.com/65535/52281215570_5f9cc90a12_o.png
 HttpExceptionRequest Request {
  host = "live.staticflickr.com"
  port = 443
  secure = True
  requestHeaders = []
  path = "/65535/52281215570_5f9cc90a12_o.png"
  queryString = ""
  method = "GET"
  proxy = Nothing
  rawBody = False
  redirectCount = 10
  responseTimeout = ResponseTimeoutDefault
  requestVersion = HTTP/1.1
 }
  (ConnectionFailure Network.Socket.getAddrInfo (called with
preferred socket type/protocol: AddrInfo {addrFlags = [AI_ADDRCONFIG],
addrFamily = AF_UNSPEC, addrSocketType = Stream, addrProtocol = 0,
addrAddress = , addrCanonName = }, host name: Just "live.staticflickr.com", service name: Just
"443"): does not exist (Name or service not known))
 Error: processing vignette
'Ex-04-Webscraping-Online-Data-Files.Rmd' failed with diagnostics:
 pandoc document conversion failed with error 61

What's the recommended way for making this fail gracefully?  Again, I
am pointing to the images online.  I am aware of .Rbuildignore, but
using this would make the vignettes not hosted on the CRAN package
page.

Thanks in advance for your help.

-- Vinh

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