[R] Package httr::GET() question

[Bob Rudis]

curl::curl_escape() —
https://github.com/jeroen/curl/search?q=curl_escape&unscoped_q=curl_escape
— uses the underlying libcurl curl_easy_escape() which does proper
escaping b/c it's, well, curl.

{httr} uses curl::curl_escape() —
https://github.com/r-lib/httr/search?q=curl_escape&unscoped_q=curl_escape

The use it's `url-query.r` is the function compose_query().

compose_query()  is called from build_url() in url.r. handle_url()
(from handle-url.r) uses build_url().

All the "verbs" use handle_url() —
https://github.com/r-lib/httr/search?q=handle_url&unscoped_q=handle_url

So {httr} relies on the quintessential standard in URL escaping —
which is libcurl's — for all URL machinations.

-boB

On Wed, Feb 19, 2020 at 10:36 AM Roy Mendelssohn - NOAA Federal via
R-help <r-help using r-project.org> wrote:
>
> Thanks.  Yes.  I did that,  it also has a verbose mode so that I could see what it was doing.  What I needed was not just escaping but strict escaping.  My memory forma number of years back was that I had issues with urlencode from base not being strict.  And of course you don't what to encode twice.
>
> Thanks,
>
> -Roy
>
>
> > On Feb 19, 2020, at 7:08 AM, Ben Tupper <btupper using bigelow.org> wrote:
> >
> > Hi,
> >
> > Perhaps you could test it out by using httr::GET() with and without
> > escaping using xml2::url_escape()?
> >
> > https://www.rdocumentation.org/packages/xml2/versions/1.2.2/topics/url_escape
> >
> > Cheers,
> > Ben
> >
> > On Tue, Feb 18, 2020 at 1:29 PM Roy Mendelssohn - NOAA Federal via
> > R-help <r-help using r-project.org> wrote:
> >>
> >> Hi All:
> >>
> >> I hav been trying to go through the code for httr::GET() but it is somewhat beyond what I know.  What I am trying to find out is if all urls are automatically percent encoded,  or whether the user needs to do that.
> >>
> >> Thanks,
> >>
> >> -Roy
> >>
> >> **********************
> >> "The contents of this message do not reflect any position of the U.S. Government or NOAA."
> >> **********************
> >> Roy Mendelssohn
> >> Supervisory Operations Research Analyst
> >> NOAA/NMFS
> >> Environmental Research Division
> >> Southwest Fisheries Science Center
> >> ***Note new street address***
> >> 110 McAllister Way
> >> Santa Cruz, CA 95060
> >> Phone: (831)-420-3666
> >> Fax: (831) 420-3980
> >> e-mail: Roy.Mendelssohn using noaa.gov www: https://www.pfeg.noaa.gov/
> >>
> >> "Old age and treachery will overcome youth and skill."
> >> "From those who have been given much, much will be expected"
> >> "the arc of the moral universe is long, but it bends toward justice" -MLK Jr.
> >>
> >> ______________________________________________
> >> R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
> >> https://stat.ethz.ch/mailman/listinfo/r-help
> >> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> >> and provide commented, minimal, self-contained, reproducible code.
> >
> >
> >
> > --
> > Ben Tupper
> > Bigelow Laboratory for Ocean Science
> > West Boothbay Harbor, Maine
> > http://www.bigelow.org/
> > https://eco.bigelow.org
>
> **********************
> "The contents of this message do not reflect any position of the U.S. Government or NOAA."
> **********************
> Roy Mendelssohn
> Supervisory Operations Research Analyst
> NOAA/NMFS
> Environmental Research Division
> Southwest Fisheries Science Center
> ***Note new street address***
> 110 McAllister Way
> Santa Cruz, CA 95060
> Phone: (831)-420-3666
> Fax: (831) 420-3980
> e-mail: Roy.Mendelssohn using noaa.gov www: https://www.pfeg.noaa.gov/
>
> "Old age and treachery will overcome youth and skill."
> "From those who have been given much, much will be expected"
> "the arc of the moral universe is long, but it bends toward justice" -MLK Jr.
>
> ______________________________________________
> R-help using r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.