[Rd] url, readLines, source behind a proxy

Henrik Bengtsson hb at biostat.ucsf.edu
Tue Apr 17 20:38:56 CEST 2012

On Tue, Apr 17, 2012 at 1:01 AM, Renaud Gaujoux
<renaud at mancala.cbio.uct.ac.za> wrote:
> Hi,
> when I run R CMD check with flag --as-cran, the process hangs at stage:
> * checking CRAN incoming feasibility ...

Doesn't it time-out eventually?  I'm not behind a proxy but when I've
been running 'R CMD check' whenon very poor 3G connection, it had
eventually timed out.


> I am pretty sure it is a proxy issue.
> I looked at the check code in the tools package and it seems that the issue
> is in the local function `.repository_db()` (defined in
> `tools:::.check_package_CRAN_incoming()`), which eventually calls `url()`
> with argument open="rb", that hangs probably because it does not use the
> proxy settings.
> I had a similar issue with `source()`, which apparently uses internal
> network functions (not as download.file), but is supposed to work behind a
> proxy (correct?).
> Does anybody else have this problem?
> I was wondering if there is a way around, as I would like to be able to use
> --as-cran for my checks.
> Thank you.
> Renaud
> --
> Renaud Gaujoux
> Computational Biology - University of Cape Town
> South Africa
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