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Hi John, <br>
<br>
Sorry, I do not have any sample pdfs for you to test on. <br>
<br>
I think it was failing on some Mac generated pdfs that do not
conform the pdf standard. <br>
<br>
regards,<br>
Jiadi<br>
<br>
<br>
<div class="moz-cite-prefix">On 23/09/2014 16:39, John Salter wrote:<br>
</div>
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi
Jiadi,<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Glad
someone knows about this :o)<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I’ll
take a look at this and see how I get on – were any sample
PDFs that failed/looped saved so I can test them too (no
problems if not!)?<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Cheers,<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">John<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<div>
<div style="border:none;border-top:solid #B5C4DF
1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext"
lang="EN-US">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext"
lang="EN-US"> <a class="moz-txt-link-abbreviated" href="mailto:eprints-tech-bounces@ecs.soton.ac.uk">eprints-tech-bounces@ecs.soton.ac.uk</a>
[<a class="moz-txt-link-freetext" href="mailto:eprints-tech-bounces@ecs.soton.ac.uk">mailto:eprints-tech-bounces@ecs.soton.ac.uk</a>] <b>On
Behalf Of </b>Jiadi Yao<br>
<b>Sent:</b> 23 September 2014 16:10<br>
<b>To:</b> <a class="moz-txt-link-abbreviated" href="mailto:eprints-tech@ecs.soton.ac.uk">eprints-tech@ecs.soton.ac.uk</a><br>
<b>Subject:</b> [EP-tech] Re: Coversheets - anyone
involved with the development still around?<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hi John,<br>
<br>
I think that the point the metadata would get lost is when the
covering pdf file is stitched to the original pdf, generating
a covered version. In the latest coversheet bazaar package
uses ghostscript(gs) as the stitching program, which is not
preserving the metadata.<br>
<br>
Pdftk (<a moz-do-not-send="true"
href="https://www.pdflabs.com/docs/install-pdftk-on-redhat-or-centos/">https://www.pdflabs.com/docs/install-pdftk-on-redhat-or-centos/</a>),
which is a more comprehensive program that may have option to
preserve the metadata, was used previously until a serious bug
caused it to loop/never finish processing the stitching
process for some types of pdf files. The bug was believed to
be fixed in a more recent version of pdftk, but it has not
been fully tested in eprints yet. <br>
<br>
It is probably worth to try to install the latest version of
pdftk and ask eprints to use it as the stitching program.<br>
<br>
<br>
<u>To switch to use pdftk in eprints</u><br>
/opt/eprints3/lib/plugins/EPrints/Plugin/Convert/AddCoversheet.pm
line @ 215<br>
<br>
<o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:7.5pt"> my
$temp_output_dir = File::Temp->newdir(
"ep-coversheet-finishedXXXX", TMPDIR => 1 );<br>
my $temp_output_file = $temp_dir.'/temp.pdf';<br>
<br>
<br>
##switch back using pdftk <br>
my $pdftk = $plugin->get_repository->get_conf(
"executables", "pdftk" );<br>
system( $pdftk, @input_files, "cat", "output",
$temp_output_file );<br>
<br>
copy($temp_output_file, $output_file);<br>
<br>
# check it worked<br>
unless( -e $output_file && -s $output_file )
#check files exists and is not zero length<br>
{<br>
$repository->log("[Convert::AddCoversheet] pdftk could
not create '$output_file'. Check the PDF is not
password-protected.");<br>
return;<br>
}<br>
<br>
<br>
##>>>>>>>>>>>>>>><br>
=begin GHOST<br>
# EPrints Services/pjw Modification to use
Ghostscript rather than pdftk <br>
my $gs_cmd =
$plugin->get_repository->get_conf( "gs_pdf_stich_cmd"
);<br>
# add the output file<br>
$gs_cmd .= $temp_output_file;<br>
# add the input files<br>
foreach my $input_file (@input_files)<br>
{<br>
$gs_cmd .= " '$input_file'";<br>
}<br>
<br>
my $sys_call_status = system($gs_cmd);<br>
# check it worked<br>
if (0 == $sys_call_status)<br>
{<br>
copy($temp_output_file, $output_file);<br>
}<br>
else<br>
{<br>
my $eprint = $doc->get_eprint;<br>
# $repository->mail_administrator(
'Plugin/Screen/Coversheet:email_subject', <br>
#
'Plugin/Screen/Coversheet:email_body', <br>
# eprintid
=> $eprint->render_value("eprintid"),<br>
# docid
=> $doc->render_value("docid") );<br>
<br>
$repository->log("[Convert::AddCoversheet] Ghostscript
could not create '$output_file'. Check the PDF is not
password-protected.");<br>
return;<br>
}<br>
=end GHOST<br>
=cut<br>
##<<<<<<<<<<<<<<<<<<<<<br>
<br>
<br>
EPrints::Utils::chown_for_eprints( $output_file );</span><o:p></o:p></p>
<p class="MsoNormal"><br>
in archive/[repoid]/cfg/cfg.d/z_coversheet.pl @line 30<br>
<br>
<o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt">##Add pdftk
executable path:<br>
$c->{executables}->{pdftk} = "/usr/bin/pdftk";</span><o:p></o:p></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><br>
<br>
<br>
Best<br>
Jiadi<br>
<br>
<o:p></o:p></p>
<div>
<p class="MsoNormal">On 23/09/2014 12:25, John Salter wrote:<o:p></o:p></p>
</div>
<blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
<pre>Hi,<o:p></o:p></pre>
<pre>Does anyone around here have anything to do with the 'Coverpages' bazaar package?<o:p></o:p></pre>
<pre><a moz-do-not-send="true" href="http://bazaar.eprints.org/cgi/search/simple?q=Coversheets">http://bazaar.eprints.org/cgi/search/simple?q=Coversheets</a> <o:p></o:p></pre>
<pre>In particular I'm looking at the metadata associated with the resulting (covered) PDF. On the UKCoRR mailing list, there was a claim that some work had been done so that metadata that existed in the original PDF wasn't affected?<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>Cheers,<o:p></o:p></pre>
<pre>John<o:p></o:p></pre>
<pre><o:p> </o:p></pre>
<pre>*** Options: <a moz-do-not-send="true" href="http://mailman.ecs.soton.ac.uk/mailman/listinfo/eprints-tech">http://mailman.ecs.soton.ac.uk/mailman/listinfo/eprints-tech</a><o:p></o:p></pre>
<pre>*** Archive: <a moz-do-not-send="true" href="http://www.eprints.org/tech.php/">http://www.eprints.org/tech.php/</a><o:p></o:p></pre>
<pre>*** EPrints community wiki: <a moz-do-not-send="true" href="http://wiki.eprints.org/">http://wiki.eprints.org/</a><o:p></o:p></pre>
<pre>*** EPrints developers Forum: <a moz-do-not-send="true" href="http://forum.eprints.org/">http://forum.eprints.org/</a><o:p></o:p></pre>
</blockquote>
<p class="MsoNormal"><br>
<br>
<o:p></o:p></p>
<pre>-- <o:p></o:p></pre>
<pre>Jiadi Yao<o:p></o:p></pre>
<pre><a moz-do-not-send="true" href="mailto:jy2e08@ecs.soton.ac.uk">jy2e08@ecs.soton.ac.uk</a><o:p></o:p></pre>
<pre>EPrints Services<o:p></o:p></pre>
<pre>3081, Building 32<o:p></o:p></pre>
<pre>University of Southampton<o:p></o:p></pre>
</div>
<br>
<fieldset class="mimeAttachmentHeader"></fieldset>
<br>
<pre wrap="">*** Options: <a class="moz-txt-link-freetext" href="http://mailman.ecs.soton.ac.uk/mailman/listinfo/eprints-tech">http://mailman.ecs.soton.ac.uk/mailman/listinfo/eprints-tech</a>
*** Archive: <a class="moz-txt-link-freetext" href="http://www.eprints.org/tech.php/">http://www.eprints.org/tech.php/</a>
*** EPrints community wiki: <a class="moz-txt-link-freetext" href="http://wiki.eprints.org/">http://wiki.eprints.org/</a>
*** EPrints developers Forum: <a class="moz-txt-link-freetext" href="http://forum.eprints.org/">http://forum.eprints.org/</a>
</pre>
</blockquote>
<br>
<pre class="moz-signature" cols="72">--
Jiadi Yao
<a class="moz-txt-link-abbreviated" href="mailto:jy2e08@ecs.soton.ac.uk">jy2e08@ecs.soton.ac.uk</a>
EPrints Services
3081, Building 32
University of Southampton</pre>
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