version 1.20, 2002/08/23 20:02:22
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version 1.60, 2004/07/29 19:45:41
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#!/usr/bin/perl |
#!/usr/bin/perl |
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# CGI-script to run LaTeX, dvips, ps2ps, ps2pdf etc. |
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# |
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# $Id$ |
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# |
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# Copyright Michigan State University Board of Trustees |
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# |
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# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
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# |
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# LON-CAPA is free software; you can redistribute it and/or modify |
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# it under the terms of the GNU General Public License as published by |
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# the Free Software Foundation; either version 2 of the License, or |
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# (at your option) any later version. |
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# |
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# LON-CAPA is distributed in the hope that it will be useful, |
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# but WITHOUT ANY WARRANTY; without even the implied warranty of |
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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# GNU General Public License for more details. |
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# |
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# You should have received a copy of the GNU General Public License |
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# along with LON-CAPA; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# |
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# /home/httpd/html/adm/gpl.txt |
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# |
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# http://www.lon-capa.org/ |
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# |
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use lib '/home/httpd/lib/perl'; |
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use LONCAPA::loncgi(); |
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use File::Path; |
use IO::File; |
use IO::File; |
use Image::Magick; |
use Image::Magick; |
print "Content-type: text/html\n\n"; |
use Apache::lonhtmlcommon; |
print "<body bgcolor=\"#FFFFFF\">\n"; |
use Apache::loncommon; |
my ($texfile,$laystyle,$numberofcolumns) = split(/&/,$ENV{'QUERY_STRING'}); |
use Apache::lonlocal; |
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use strict; |
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$|=1; |
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my %origENV=%ENV; |
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if (! &LONCAPA::loncgi::check_cookie_and_load_env()) { |
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print <<END; |
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Content-type: text/html |
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<html> |
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<head><title>Bad Cookie</title></head> |
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<body> |
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Your cookie information is incorrect. |
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</body> |
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</html> |
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END |
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return; |
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} |
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&Apache::lonlocal::get_language_handle(); |
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&Apache::loncommon::content_type(undef,'text/html'); |
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my $bodytag=&Apache::loncommon::bodytag('Creating PDF','',''); |
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print $bodytag; |
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my $identifier = $ENV{'QUERY_STRING'}; |
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my $texfile = $ENV{'cgi.'.$identifier.'.file'}; |
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my $laystyle = $ENV{'cgi.'.$identifier.'.layout'}; |
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my $numberofcolumns = $ENV{'cgi.'.$identifier.'.numcol'}; |
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my $selectionmade = $ENV{'cgi.'.$identifier.'.selection'}; |
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my $tableofcontents = $ENV{'cgi.'.$identifier.'tableofcontents'}; |
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my $tableofindex = $ENV{'cgi.'.$identifier.'tableofindex'}; |
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my $advans_role = $ENV{'cgi.'.$identifier.'role'}; |
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my $number_of_files = $ENV{'cgi.'.$identifier.'numberoffiles'}+1; |
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my $student_names = $ENV{'cgi.'.$identifier.'studentnames'}; |
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my $backref = $ENV{'cgi.'.$identifier.'backref'}; |
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my $adv = $ENV{'request.role.adv'}; |
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my @names_pack=(); |
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if ($student_names=~/_END_/) { |
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@names_pack=split(/_ENDPERSON_/,$student_names); |
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} |
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#got what we needed reset ENV in case it is to big for system |
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%ENV=%origENV; |
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my $figfile = $texfile; |
my $figfile = $texfile; |
$figfile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.dat/; |
$figfile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.dat/; |
my $duefile = $texfile; |
my $duefile = $texfile; |
$duefile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.due/; |
$duefile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.due/; |
#do we have figures? |
#do we have figures? |
if (-e $figfile) { |
if (-e $figfile) { |
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my %done_conversion; |
my $temporary_file=IO::File->new($figfile) || die "Couldn't open file for reading: $!\n"; |
my $temporary_file=IO::File->new($figfile) || die "Couldn't open file for reading: $!\n"; |
my @content_of_file = <$temporary_file>; |
my @content_of_file = <$temporary_file>; |
close $temporary_file; |
close $temporary_file; |
my $noteps; |
my $noteps; |
foreach $not_eps (@content_of_file) { |
my %prog_state; |
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if ($adv) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Coverting Images to EPS','Picture Conversion Status',$#content_of_file,'inline','80'); } |
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foreach my $not_eps (@content_of_file) { |
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chomp($not_eps); |
if ($not_eps ne '') { |
if ($not_eps ne '') { |
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my $status_statement='EPS picture for '.$not_eps; |
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$not_eps=~s|\/\.\/|\/|g; |
my $eps_f = $not_eps; |
my $eps_f = $not_eps; |
$eps_f =~ s/\.[^.]*$/\.eps/i; |
$eps_f =~ s/\.[^.]*$/\.eps/i; |
$_ = $eps_f; |
if ($eps_f=~/\/home\/([^\/]+)\/public_html\//) { |
m/\/([^\/]+)$/; |
$eps_f=~s/\/home\/([^\/]+)\/public_html/$1/; |
$eps_f = '/home/httpd/prtspool/'.$1; |
$eps_f = '/home/httpd/prtspool/'.$eps_f; |
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} elsif ($eps_f=~/$Apache::lonnet::perlvar{'lonDocRoot'}\/res\//) { |
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$eps_f=~m/$Apache::lonnet::perlvar{'lonDocRoot'}\/res\/(.+)/; |
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$eps_f = '/home/httpd/prtspool/'.$1; |
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} elsif ($eps_f=~/$Apache::lonnet::perlvar{'lonUsersDir'}\//) { |
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$eps_f=~/$Apache::lonnet::perlvar{'lonUsersDir'}\/([^\/]+)\/\w\/\w\/\w\/(.+)/; |
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$eps_f = '/home/httpd/prtspool/'.$1.'/'.$2; |
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} |
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my $path=$eps_f; |
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$path=~s/\/([^\/]+)\.eps$//; |
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File::Path::mkpath($path,0,0777); |
my $image = Image::Magick->new; |
my $image = Image::Magick->new; |
$not_eps =~ s/^\s+//; |
$not_eps =~ s/^\s+//; |
$not_eps =~ s/\s+$//; |
$not_eps =~ s/\s+$//; |
$status = $image->Read($not_eps); |
if ( exists($done_conversion{$not_eps})) { |
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next; |
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} |
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if ($adv) { |
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my $prettyname=$not_eps; |
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$prettyname=~s|/home/([^/]+)/public_html|/priv/$1|; |
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$prettyname=~s|$Apache::lonnet::perlvar{'lonDocRoot'}/|/|; |
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&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'Converting to EPS '.$prettyname); } |
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$done_conversion{$not_eps}=1; |
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my $status = $image->Read($not_eps); |
if ($status) {print " $status ";} |
if ($status) {print " $status ";} |
$image->Set(page => '+100+200'); |
$image->Set(page => '+100+200'); |
$status = $image->Write($eps_f); |
$status = $image->Write($eps_f); |
Line 40 use Image::Magick;
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Line 138 use Image::Magick;
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} |
} |
} |
} |
} |
} |
unlink $figfile; |
if ($adv) { &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); } |
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unlink($figfile); |
} |
} |
#print "$texfile\n"; #name of the tex file for debugging only |
#print "$texfile\n"; #name of the tex file for debugging only |
$texfile =~ m/^(.*)\/([^\/]+)$/; |
my @texfile=($texfile); |
my $name_file = $2; |
if ($number_of_files>1) { |
my $path_file = $1.'/'; |
@texfile=(); |
chdir $path_file; |
for (my $i=1;$i<=$number_of_files;$i++) { |
system("latex $name_file 1>/dev/null 2>/dev/null"); |
my $new_texfile=$texfile; |
#Do we have a latex error in the log file? |
$new_texfile=~s/\.tex/_$i\.tex/; |
my $logfilename = $texfile; |
push @texfile,$new_texfile; |
$logfilename =~ s/\.tex$/\.log/; |
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my $temporary_file=IO::File->new($logfilename) || die "Couldn't open file for reading: $!\n"; |
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my @content_of_file = <$temporary_file>; |
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close $temporary_file; |
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my $body_log_file = join(' ',@content_of_file); |
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if ($body_log_file=~m/!\s+Emergency stop/) { |
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#LaTeX failed to parse tex file |
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print "<h1>LaTeX could not successfully parse your tex file.</h1>"; |
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print "<h2>It probably has errors in it.</h2>"; |
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print "Here are the error messages in the LaTeX log file</br>"; |
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my $sygnal = 0; |
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for (my $i=0;$i<=$#content_of_file;$i++) { |
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if ($content_of_file[$i]=~m/^!/) { |
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$sygnal = 1; |
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} |
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if ($content_of_file[$i]=~m/Here is how much of/) { |
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$sygnal = 0; |
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} |
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if ($sygnal) { |
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print "$content_of_file[$i]<br />"; |
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} |
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} |
} |
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} |
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my $ind=-1; |
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my %prog_state; |
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if ($adv) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Print Status','Class Print Status',$number_of_files,'inline','80'); } |
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my $final_statement="<a href=\"$backref\"><b>Return</b></a> to last resource.<br /><br />Generated PDF File for:<br />"; |
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foreach $texfile (@texfile) { |
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my $status_statement=''; |
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my $link_text='download PDF'; |
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$ind++; |
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my @stud_info=split(/_END_/,$names_pack[$ind]); |
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my @tempo_array=split(/:/,$stud_info[0]); |
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my $name; |
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if ($tempo_array[3]) { |
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$name=$tempo_array[3]; |
} else { |
} else { |
#LaTeX successfully parsed tex file |
$name=$tempo_array[0].'@'.$tempo_array[1]; |
$name_file =~ s/\.tex/\.dvi/; |
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my $new_name_file = $name_file; |
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$new_name_file =~ s/\.dvi/\.ps/; |
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my $comma = "dvips -o $new_name_file"; |
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system("$comma $name_file"); |
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if (-e $new_name_file) { |
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print "<h1>OUTPUT is in the PDF FILE (see link below)</h1>\n"; |
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$new_name_file =~ m/^(.*)\./; |
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my $tempo_file = $1.'temporar.ps'; |
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my $name_file = $1.'.pdf'; |
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if ($laystyle eq 'album') { |
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$comma = "psnup -2 -s1.0 $new_name_file"; |
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system("$comma $tempo_file"); |
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system("ps2pdf $tempo_file $name_file"); |
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} elsif ($laystyle eq 'book' and $numberofcolumns eq '2') { |
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$comma = 'pstops -pletter "2:0+1(0.5w,0)"'; |
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system("$comma $new_name_file $tempo_file"); |
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system("ps2pdf $tempo_file $name_file"); |
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} else { |
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system("ps2pdf $new_name_file $name_file"); |
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} |
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my $texlog = $texfile; |
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my $texaux = $texfile; |
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my $texdvi = $texfile; |
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my $texps = $texfile; |
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$texlog =~ s/\.tex/\.log/; |
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$texaux =~ s/\.tex/\.aux/; |
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$texdvi =~ s/\.tex/\.dvi/; |
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$texps =~ s/\.tex/\.ps/; |
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my @garb = ($texlog,$texaux,$texdvi,$texps); |
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#unlink @garb; |
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unlink $duefile; |
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print "<a href=\"/prtspool/$name_file\">Your PDF document</a>"; |
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print "\n"; |
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} |
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} |
} |
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$link_text='<b>'.$name.'</b> '; |
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$status_statement.=$name; |
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if ($#stud_info>0) { |
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@tempo_array=split(/:/,$stud_info[-1]); |
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if ($tempo_array[3]) { |
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$name=$tempo_array[3]; |
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} else { |
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$name=$tempo_array[0].'@'.$tempo_array[1]; |
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} |
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$link_text.='- <b>'.$name.':</b> '; |
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$status_statement.=' - '.$name; |
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} |
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if ($adv) { &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'Creating PDF for '.$status_statement); } |
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if (-e $texfile) { |
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$texfile =~ m/^(.*)\/([^\/]+)$/; |
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my $name_file = $2; |
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my $path_file = $1.'/'; |
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chdir $path_file; |
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my $dvi_file= $name_file; $dvi_file =~ s/\.tex/\.dvi/; |
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&busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null", |
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"for $status_statement now LaTeXing file", |
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\%prog_state,$dvi_file); |
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if ($tableofcontents eq 'yes') { |
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system("latex $name_file 1>/dev/null 2>/dev/null"); |
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} #to create table of contents |
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my $idxname=$name_file; |
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$idxname=~s/\.tex$/\.idx/; |
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if ($tableofindex eq 'yes') { |
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system("makeindex $idxname"); |
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system("latex $name_file 1>/dev/null 2>/dev/null"); |
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} #to create index |
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#Do we have a latex error in the log file? |
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my $logfilename = $texfile; |
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$logfilename =~ s/\.tex$/\.log/; |
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my $temporary_file=IO::File->new($logfilename) || die "Couldn't open file for reading: $!\n"; |
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my @content_of_file = <$temporary_file>; |
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close $temporary_file; |
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my $body_log_file = join(' ',@content_of_file); |
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$logfilename =~ s/\.log$/\.html/; |
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$temporary_file = IO::File->new('>'.$logfilename); |
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print $temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_log_file.'</pre></body></html>'."\n"; |
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if ($body_log_file=~m/!\s+Emergency stop/) { |
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#LaTeX failed to parse tex file |
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print "<h2>LaTeX could not successfully parse your tex file.</h2>"; |
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print "It probably has errors in it.<br />"; |
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my $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART'; |
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my $whereitends = rindex $body_log_file,'STAMPOFPASSEDRESOURCEEND'; |
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if ($whereitbegins!=-1 and $whereitends!=-1) { |
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print "With very high probability this error occured in ".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)."<br /><br />"; |
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} |
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print "Here are the error messages in the LaTeX log file</br><br />"; |
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my $sygnal = 0; |
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for (my $i=0;$i<=$#content_of_file;$i++) { |
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if ($content_of_file[$i]=~m/^Runaway argument?/ or $content_of_file[$i]=~m/^!/) { |
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$sygnal = 1; |
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} |
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if ($content_of_file[$i]=~m/Here is how much of/) { |
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$sygnal = 0; |
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} |
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if ($sygnal) { |
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print "$content_of_file[$i]<br />"; |
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} |
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} |
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if ($advans_role) { |
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print "<b><big>The link to "; |
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$logfilename=~s/\/home\/httpd//; |
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print "<a href=\"$logfilename\">Your log file </a></big></b>"; |
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print "\n"; |
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#link tooriginal LaTeX file (included according Michael Hamlin desire) |
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my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open file for reading: $!\n"; |
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my @tex_content_of_file = <$tex_temporary_file>; |
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close $tex_temporary_file; |
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my $body_tex_file = join(' ',@tex_content_of_file); |
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$texfile =~ s/\.tex$/aaaaa\.html/; |
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$tex_temporary_file = IO::File->new('>'.$texfile); |
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print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n"; |
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print "<br /><br />"; |
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print "<b><big>The link to "; |
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$texfile=~s/\/home\/httpd//; |
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print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>"; |
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print "\n"; |
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} |
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} elsif ($body_log_file=~m/<inserted text>/) { |
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my $whereitbegins = index $body_log_file,'<inserted text>'; |
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print "You are running LaTeX in <b>batch mode</b>."; |
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while ($whereitbegins != -1) { |
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my $tempobegin=$whereitbegins; |
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$whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART',$whereitbegins; |
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my $whereitends = index $body_log_file,'STAMPOFPASSEDRESOURCEEND',$whereitbegins; |
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print "<br />It has found an error in".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)." <br /> and corrected it.\n"; |
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print "Usually this correction is valid but you probably need to check the indicated resource one more time and implement neccessary corrections by yourself.\n"; |
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$whereitbegins = index $body_log_file,'<inserted text>',$tempobegin+10; |
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} |
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$name_file =~ s/\.tex/\.dvi/; |
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my $new_name_file = $name_file; |
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$new_name_file =~ s/\.dvi/\.ps/; |
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my $comma = "dvips -Ppdf -G0 -o $new_name_file"; |
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&busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null", |
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"for $status_statement now Converting to PS", |
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\%prog_state,$new_name_file); |
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if (-e $new_name_file) { |
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print "<h1>PDF output file (see link below)</h1>\n"; |
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$new_name_file =~ m/^(.*)\./; |
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my $ps_file = my $tempo_file = $1.'temporar.ps'; |
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my $pdf_file = $1.'.pdf'; |
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if ($laystyle eq 'album' and $numberofcolumns eq '2') { |
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$comma = "psnup -2 -s1.0 $new_name_file"; |
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&busy_wait_command("$comma $tempo_file 1>/dev/null 2>/dev/null", |
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"for $status_statement now Modifying PS layout", |
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\%prog_state,$tempo_file); |
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} elsif ($laystyle eq 'book' and $numberofcolumns eq '2') { |
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$comma = 'pstops -pletter "2:0+1(0.48w,0)"'; |
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&busy_wait_command("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null", |
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"for $status_statement now Modifying PS layout", |
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\%prog_state,$tempo_file); |
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} else { |
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$ps_file=$new_name_file; |
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} |
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&busy_wait_command("ps2pdf $ps_file $pdf_file 1>/dev/null 2>/dev/null", |
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"for $status_statement now Converting PS to PDF", |
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\%prog_state, $pdf_file); |
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my $texlog = $texfile; |
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my $texaux = $texfile; |
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my $texdvi = $texfile; |
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my $texps = $texfile; |
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$texlog =~ s/\.tex/\.log/; |
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$texaux =~ s/\.tex/\.aux/; |
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$texdvi =~ s/\.tex/\.dvi/; |
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$texps =~ s/\.tex/\.ps/; |
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my @garb = ($texaux,$texdvi,$texps); |
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# unlink @garb; |
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unlink $duefile; |
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print "<a href=\"/prtspool/$pdf_file\">Your PDF document</a>"; |
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if ($advans_role) { |
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print "<br /><br />"; |
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print "<b><big>The link to "; |
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$logfilename=~s/\/home\/httpd//; |
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print "<a href=\"$logfilename\">Your log file </a></big></b>"; |
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print "\n"; |
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#link tooriginal LaTeX file (included according Michael Hamlin desire) |
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my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open file for reading: $!\n"; |
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my @tex_content_of_file = <$tex_temporary_file>; |
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close $tex_temporary_file; |
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my $body_tex_file = join(' ',@tex_content_of_file); |
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$texfile =~ s/\.tex$/aaaaa\.html/; |
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$tex_temporary_file = IO::File->new('>'.$texfile); |
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print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n"; |
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print "<br /><br />"; |
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print "<b><big>The link to "; |
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$texfile=~s/\/home\/httpd//; |
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print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>"; |
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print "\n"; |
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} |
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} |
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} else { |
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#LaTeX successfully parsed tex file |
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$name_file =~ s/\.tex/\.dvi/; |
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my $new_name_file = $name_file; |
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$new_name_file =~ s/\.dvi/\.ps/; |
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my $comma = "dvips -Ppdf -G0 -o $new_name_file"; |
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&busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null", |
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"for $status_statement now Converting to PS", |
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\%prog_state,$new_name_file); |
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if (-e $new_name_file) { |
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print "<br />$final_statement "; |
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$final_statement=''; |
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$new_name_file =~ m/^(.*)\./; |
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my $ps_file = my $tempo_file = $1.'temporar.ps'; |
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my $pdf_file = $1.'.pdf'; |
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if ($laystyle eq 'album' and $numberofcolumns eq '2') { |
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$comma = "psnup -2 -s1.0 $new_name_file"; |
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&busy_wait_command("$comma $tempo_file 1>/dev/null 2>/dev/null", |
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"for $status_statement now Modifying PS layout", |
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\%prog_state,$tempo_file); |
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} elsif ($laystyle eq 'book' and $numberofcolumns eq '2') { |
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$comma = 'pstops -pletter "2:0+1(0.48w,0)"'; |
|
&busy_wait_command("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement now Modifying PS layout", |
|
\%prog_state,$tempo_file); |
|
} else { |
|
$ps_file=$new_name_file; |
|
} |
|
&busy_wait_command("ps2pdf $ps_file $pdf_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement now Converting PS to PDF", |
|
\%prog_state,$pdf_file); |
|
|
|
my $texlog = $texfile; |
|
my $texaux = $texfile; |
|
my $texdvi = $texfile; |
|
my $texps = $texfile; |
|
$texlog =~ s/\.tex/\.log/; |
|
$texaux =~ s/\.tex/\.aux/; |
|
$texdvi =~ s/\.tex/\.dvi/; |
|
$texps =~ s/\.tex/\.ps/; |
|
my @garb = ($texlog,$texaux,$texdvi,$texps); |
|
# unlink @garb; |
|
unlink $duefile; |
|
print "<a href=\"/prtspool/$pdf_file\">$link_text</a>"; |
|
print "\n"; |
|
} |
|
} |
|
} else { |
|
print "LaTeX file $texfile was not created successfully"; |
|
} |
|
} |
|
print "<br />"; |
|
if ($number_of_files>1) { |
|
my $zipfile=$texfile[0]; |
|
$zipfile=~s/\.tex/\.zip/; |
|
my $statement="zip $zipfile"; |
|
foreach my $file (@texfile) { |
|
$file=~s/\.tex/.\pdf/; |
|
$statement.=' '.$file; |
|
} |
|
print("<pre>Zip Output:\n"); |
|
system($statement); |
|
print("</pre>"); |
|
$zipfile=~s/\/home\/httpd//; |
|
print "<br /> A <a href=\"$zipfile\">ZIP file</a> of all the PDFs."; |
|
} |
|
if ($adv) { &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); } |
|
|
|
my $done; |
|
sub REAPER { |
|
$done=1; |
|
} |
|
|
|
sub busy_wait_command { |
|
my ($command,$message,$progress_win,$output_file)=@_; |
|
|
|
$SIG{CHLD} = \&REAPER; |
|
$done=0; |
|
my $pid=open(CMD,"$command |"); |
|
if ($adv) { |
|
&Apache::lonhtmlcommon::Update_PrgWin('',$progress_win,$message); |
|
} |
|
while(!$done) { |
|
sleep 1; |
|
my $extra_msg; |
|
if ($output_file) { |
|
my $size=(stat($output_file))[7]; |
|
$extra_msg=", $size bytes generated"; |
|
} |
|
if ($adv) { |
|
&Apache::lonhtmlcommon::Update_PrgWin('',$progress_win, |
|
$message.$extra_msg); |
|
} |
|
} |
|
$SIG{CHLD}='IGNORE'; |
|
close(CMD); |
|
} |
|
|
|
|
|
|