Ingo,
It sounds like you are the system administrator for your machines? That is
the only situation in which I would consider using sudo cpanm.
David
On Sun, Feb 13, 2022 at 11:11 AM Ingo Schmid <ingo...@gmx.at> wrote:
> Hi Ed,
>
> I see what you mean. But then it is just me having access to those modules
> and not other users. Are you suggesting it is best practice to install perl
> modules per user? That requires a lot of redundant work if you have a group
> using the software.
>
> I suppose in the particular case, catching an empty XDG_RUNTIME_DIR and
> setting to some temp directory would resolve the issue.
>
> Best wishes Ingo
> On 2/13/2022 2:26 PM, Ed . wrote:
>
> Hi Ingo,
>
>
>
> cpanm is certainly the best tool for installing Perl modules! But if
> you’re in a package-managed environment and want to use the system Perl
> (which is understandable, it’s very stable), then current best practice is
> to not install any non-package-managed modules in the system location.
> Instead, you should use a local::lib as Zaki said, so that your
> personally-installed modules overlay any system ones. In particular, if you
> find yourself using “sudo” to install Perl modules off CPAN, that is a sign
> of poor practice.
>
>
>
> Another benefit of this strategy is that because you install modules as
> your normal user, it has access to all your normal environment. There are
> also security benefits.
>
>
>
> Best regards,
>
> Ed
>
>
>
> *From: *Ingo Schmid <ingo...@gmx.at>
> *Sent: *13 February 2022 09:09
> *To: *Zakariyya Mughal <zaki.mug...@gmail.com>;
> pdl-devel@lists.sourceforge.net
> *Subject: *Re: [Pdl-devel] PDL::Graphics::Simple
>
>
>
> Hi Zaki,
>
> thank you for the suggestion. Yes, that is exactly the issue. The
> question to me is rather, if this is desired. Who runs an X session as
> root ?
>
> Isn't using cpanm the way to maintain Perl modules these days? I will
> open an issue and I have a hunch this could easily be caught during build.
>
> Ingo
>
> On 2/12/2022 12:59 AM, Zakariyya Mughal wrote:
> > On 2022-02-11 at 10:49:12 +0100, Ingo Schmid wrote:
> >> Hi,
> >>
> >> the other mail made me aware of P:G:S, now I was doing
> >>
> >> #> sudo cpanm PDL::Graphics::Simple
> >>
> >> on Debian testing and during make test I received this error after the
> >> label plot is shown:
> >>
> >> Gnuplot error: "QStandardPaths: XDG_RUNTIME_DIR not set, defaulting to
> >> '/tmp/runtime-root'" while sending final multiplot command. at
> >> /usr/local/share/perl/5.32.1/PDL/Graphics/Gnuplot.pm line 4346, <STDIN>
> >> line 7.
> >> PDL::Graphics::Gnuplot::multiplot(undef, "layout",
> >> ARRAY(0x55c8040dbb08)) called at
> >>
> /root/.cpanm/work/1644572352.1118703/PDL-Graphics-Simple-1.007/blib/lib/PDL/Graphics/Simple/Gnuplot.pm
> >> line 360
> >>
>
> PDL::Graphics::Simple::Gnuplot::plot(PDL::Graphics::Simple::Gnuplot=HASH(0x55c8040e2378),
> HASH(0x55c8040f5910), ARRAY(0x55c80410c888)) called at
> /root/.cpanm/work/1644572352.1118703/PDL-Graphics-Simple-1.007/blib/lib/PDL/Graphics/Simple.pm
> line 1044
> >>
> PDL::Graphics::Simple::plot(PDL::Graphics::Simple=HASH(0x55c8040ede58),
> "with", "image", PDL=SCALAR(0x55c8040d3e58)) called at
> /root/.cpanm/work/1644572352.1118703/PDL-Graphics-Simple-1.007/blib/lib/PDL/Graphics/Simple.pm
> line 1127
> >> PDL::Graphics::Simple::_convenience_plot("image",
> >> PDL::Graphics::Simple=HASH(0x55c8040ede58), PDL=SCALAR(0x55c8040d3e58),
> >> HASH(0x55c8040edae0), HASH(0x55c8040d3e88)) called at
> >>
> /root/.cpanm/work/1644572352.1118703/PDL-Graphics-Simple-1.007/blib/lib/PDL/Graphics/Simple.pm
> >> line 1143
> >>
> PDL::Graphics::Simple::image(PDL::Graphics::Simple=HASH(0x55c8040ede58),
> PDL=SCALAR(0x55c8040d3e58), HASH(0x55c8040edae0)) called at t/simple.t line
> 145
> >>
> >> Have you got any ideas?
> >> Ingo
> >
> > Hello Ingo,
> >
> > Since you are using `sudo` to install, it is using the root user's
> > environment (actually a reduced environment that `sudo` creates*) which
> > does not have `XDG_RUNTIME_DIR` set. Gnuplot needs to have
> > `XDG_RUNTIME_DIR` set in order to run during the dist's tests. You can
> > set the variable to a temporary directory:
> >
> > sudo bash -c 'XDG_RUNTIME_DIR=$(mktemp -d) cpanm --test-only
> PDL::Graphics::Simple'
> >
> > I would recommend installing packages to a `local::lib` instead of using
> `sudo`.
> >
> > Best regards,
> > - Zaki Mughal
> >
> > * Run `sudo env` to see what is set.
> >
> >> _______________________________________________
> >> pdl-devel mailing list
> >> pdl-devel@lists.sourceforge.net
> >> https://lists.sourceforge.net/lists/listinfo/pdl-devel
>
>
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--
"Debugging is twice as hard as writing the code in the first place.
Therefore, if you write the code as cleverly as possible, you are,
by definition, not smart enough to debug it." -- Brian Kernighan
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