version 1.33, 2003/08/14 14:46:52
|
version 1.108, 2006/08/03 00:26:39
|
Line 1
|
Line 1
|
#!/usr/bin/perl |
#!/usr/bin/perl |
|
# CGI-script to run LaTeX, dvips, ps2ps, ps2pdf etc. |
|
# |
|
# |
|
# Copyright Michigan State University Board of Trustees |
|
# |
|
# This file is part of the LearningOnline Network with CAPA (LON-CAPA). |
|
# |
|
# LON-CAPA is free software; you can redistribute it and/or modify |
|
# it under the terms of the GNU General Public License as published by |
|
# the Free Software Foundation; either version 2 of the License, or |
|
# (at your option) any later version. |
|
# |
|
# LON-CAPA is distributed in the hope that it will be useful, |
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
# GNU General Public License for more details. |
|
# |
|
# You should have received a copy of the GNU General Public License |
|
# along with LON-CAPA; if not, write to the Free Software |
|
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
|
# |
|
# /home/httpd/html/adm/gpl.txt |
|
# |
|
# http://www.lon-capa.org/ |
|
# |
|
|
|
use lib '/home/httpd/lib/perl'; |
|
use LONCAPA::loncgi; |
|
use File::Path; |
|
use File::Basename; |
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::lonnet; |
my ($texfile,$laystyle,$numberofcolumns,$selectionmade) = split(/&/,$ENV{'QUERY_STRING'}); |
use Apache::loncommon(); |
|
use Apache::lonlocal; |
|
use Apache::lonmsg(); |
|
use LONCAPA::Enrollment; |
|
|
|
use strict; |
|
|
|
|
|
# Determine if a user is operating as a student for this course/domain. |
|
#Parameters: |
|
# none |
|
#Implicit: |
|
# $env{request.role} contains the role under which this user operated this |
|
# this request. |
|
sub is_student { |
|
return ($env{'request.role'}=~/^st\./); |
|
} |
|
|
|
# |
|
# Debugging: Dump the environment for debugging. |
|
# |
|
sub dumpenv { |
|
print "<br />-------------------<br />"; |
|
foreach my $key (sort (keys %env)) { |
|
print "<br />$key -> $env{$key}"; |
|
} |
|
print "<br />-------------------<br />"; |
|
} |
|
|
|
# |
|
# This sub sends a message to the appropriate person if there was an error |
|
# rendering the latex At present, there's only one case to consider: |
|
# a student printing inside a course results in messages to the course coordinator. |
|
#Parmaeters: |
|
# identifier - The unique identifier of this cgi request. |
|
# badresource- Filepath to most likely failing |
|
# logfile - The contents of the log file (included in the message). |
|
# texfile - reference to an array containing the LaTeX input file |
|
# (included in the message). |
|
#Implicit inputs: |
|
# From the environment: |
|
# cgi.$identifier.user - User doing the printing. |
|
# cgi.$identifier.domain - Domain the user is logged in on with printing. |
|
# cgi.$identifier.courseid - Id of the course (if this is a course). |
|
# cgi.$identifier.coursedom- Domain in which course was constituted. |
|
# cgi.$identifier.resources - List of resource URL's for which the print |
|
# was attempted. |
|
# |
|
sub send_error_mail { |
|
my ($identifier, $badresource, $logfile, $texfile) = @_; |
|
my $user = $env{"cgi.$identifier.user"}; |
|
my $domain = $env{"cgi.$identifier.domain"}; |
|
my $courseid = $env{"cgi.$identifier.courseid"}; |
|
my $coursedom= $env{"cgi.$identifier.coursedom"}; |
|
my $resources= $env{"cgi.$identifier.resources"}; |
|
|
|
# resource file->URL |
|
# |
|
my $badurl = &Apache::lonnet::declutter($badresource); |
|
|
|
# &dumpenv(); |
|
|
|
|
|
|
|
# Only continue if there is a user, domain, courseid, course domain |
|
# and resources: |
|
|
|
if(defined($user) && defined($domain) && defined($courseid) && |
|
defined($coursedom) && defined($resources) ){ |
|
|
|
# Only mail if the conditions are ripe for it: |
|
# The user is a student in the course: |
|
# |
|
|
|
if (&is_student()) { |
|
# build the subject and message body: |
|
# print "sending message to course coordinators.<br />"; |
|
|
|
# Todo: Convert badurl into a url from file path: |
|
|
|
my $subject = "Error [$badurl] Print failed for $user".'@'.$domain; |
|
my $message .= "Print failed to render LaTeX for $user".'@'."$domain\n"; |
|
$message .= " User was attempting to print: \n"; |
|
foreach my $resource (split(/:/,$resources)) { |
|
$message .= " $resource\n"; |
|
} |
|
$message .= "--------------------LaTeX logfile:------------ \n"; |
|
$message .= $logfile; |
|
$message .= "-----------------LaTeX source file: ------------\n"; |
|
|
|
foreach my $line (@$texfile) { |
|
$message .= "$line\n"; |
|
} |
|
my (undef, %receivers) = &Apache::lonfeedback::decide_receiver(undef, 0, |
|
1,1,1); |
|
# print "<br /> sending...section: $env{'request.course.sec'}"; |
|
foreach my $dest (keys %receivers) { |
|
# print "<br /> dest is $dest"; |
|
my @destinfo = split(/:/,$dest); |
|
my $user = $destinfo[0]; |
|
my $dom = $destinfo[1]; |
|
|
|
&Apache::lonmsg::user_normal_msg($user, $dom, |
|
$subject, $message); |
|
|
|
# No point in looking at the return status as there's no good |
|
# error action I can think of right now (log maybe?). |
|
} |
|
} |
|
} |
|
} |
|
|
|
$|=1; |
|
if (! &LONCAPA::loncgi::check_cookie_and_load_env()) { |
|
print <<END; |
|
Content-type: text/html |
|
|
|
<html> |
|
<head><title>Bad Cookie</title></head> |
|
<body> |
|
Your cookie information is incorrect. |
|
</body> |
|
</html> |
|
END |
|
return; |
|
} |
|
&Apache::lonlocal::get_language_handle(); |
|
&Apache::loncommon::content_type(undef,'text/html'); |
|
|
|
print(&Apache::loncommon::start_page('Creating PDF')); |
|
|
|
my $identifier = $ENV{'QUERY_STRING'}; |
|
my $texfile = $env{'cgi.'.$identifier.'.file'}; |
|
my $laystyle = $env{'cgi.'.$identifier.'.layout'}; |
|
my $numberofcolumns = $env{'cgi.'.$identifier.'.numcol'}; |
|
my $paper = $env{'cgi.'.$identifier.'.paper'}; |
|
my $selectionmade = $env{'cgi.'.$identifier.'.selection'}; |
|
my $tableofcontents = $env{'cgi.'.$identifier.'.tableofcontents'}; |
|
my $tableofindex = $env{'cgi.'.$identifier.'.tableofindex'}; |
|
my $advanced_role = $env{'cgi.'.$identifier.'.role'}; |
|
my $number_of_files = $env{'cgi.'.$identifier.'.numberoffiles'}+1; |
|
my $student_names = $env{'cgi.'.$identifier.'.studentnames'}; |
|
my $backref = &Apache::lonnet::unescape($env{'cgi.'.$identifier.'.backref'}); |
|
|
|
|
|
my @names_pack=(); |
|
if ($student_names=~/_END_/) { |
|
@names_pack=split(/_ENDPERSON_/,$student_names); |
|
} |
|
|
|
print "<a href=\"$backref\"><b>Return</b></a> to last resource.<br /><br />"; |
|
|
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? |
|
# print "Figure file: $figfile\n"; |
if (-e $figfile) { |
if (-e $figfile) { |
my $temporary_file=IO::File->new($figfile) || die "Couldn't open file for reading: $!\n"; |
# print "$figfile exists\n"; |
|
my %done_conversion; |
|
my $temporary_file=IO::File->new($figfile) || die "Couldn't open fig file $figfile 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 $not_eps (@content_of_file) { |
my %prog_state; |
|
if ($advanced_role) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Coverting Images to EPS','Picture Conversion Status',$#content_of_file,'inline','80'); } |
|
print('<br />'); |
|
foreach my $not_eps (@content_of_file) { |
|
chomp($not_eps); |
if ($not_eps ne '') { |
if ($not_eps ne '') { |
|
# print "Converting $not_eps"; # Debugging. |
|
my $status_statement='EPS picture for '.$not_eps; |
|
# print "$status_statement\n"; |
|
$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; |
$eps_f .= '.eps'; # Just append the eps ext. |
m/\/([^\/]+)$/; |
if ($eps_f=~/\/home\/([^\/]+)\/public_html\//) { |
$eps_f = '/home/httpd/prtspool/'.$1; |
$eps_f=~s/\/home\/([^\/]+)\/public_html/$1/; |
my $image = Image::Magick->new; |
$eps_f = '/home/httpd/prtspool/'.$eps_f; |
|
} elsif ($eps_f=~/$Apache::lonnet::perlvar{'lonDocRoot'}\/res\//) { |
|
$eps_f=~m/$Apache::lonnet::perlvar{'lonDocRoot'}\/res\/(.+)/; |
|
$eps_f = '/home/httpd/prtspool/'.$1; |
|
} elsif ($eps_f=~/$Apache::lonnet::perlvar{'lonUsersDir'}\//) { |
|
$eps_f=~/$Apache::lonnet::perlvar{'lonUsersDir'}\/([^\/]+)\/\w\/\w\/\w\/(.+)/; |
|
$eps_f = '/home/httpd/prtspool/'.$1.'/'.$2; |
|
} |
|
$eps_f =~ s/ /\_/g; # Spaces are problematic for system commands and LaTeX. |
|
my $path=$eps_f; |
|
$path =~ s/\/([^\/]+)\.eps$//; |
|
# print "Final file path: $path "; # Debugging |
|
File::Path::mkpath($path,0,0777); |
$not_eps =~ s/^\s+//; |
$not_eps =~ s/^\s+//; |
$not_eps =~ s/\s+$//; |
$not_eps =~ s/\s+$//; |
$status = $image->Read($not_eps); |
$not_eps =~ s/ /\\ /g; |
if ($status) {print " $status ";} |
if ( exists($done_conversion{$not_eps})) { next; } |
$image->Set(page => '+100+200'); |
if ($advanced_role) { |
$status = $image->Write($eps_f); |
my $prettyname=$not_eps; |
if ($status) {print " $status ";} |
$prettyname=~s|/home/([^/]+)/public_html|/priv/$1|; |
#check is eps exist in prtspool |
$prettyname=~s|$Apache::lonnet::perlvar{'lonDocRoot'}/|/|; |
if(not -e $eps_f) { |
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
|
'Converting to EPS '.$prettyname); |
|
} |
|
$done_conversion{$not_eps}=1; |
|
# print "Converting $not_eps -> $eps_f"; # Debugging |
|
system("convert $not_eps $eps_f"); |
|
# check is eps exist in prtspool |
|
if (not -e $eps_f) { |
|
# converting an animated gif creates either: |
|
# anim.gif.eps.0 |
|
# or |
|
# anim.gif-0.eps |
for (my $i=0;$i<10000;$i++) { |
for (my $i=0;$i<10000;$i++) { |
if (-e $eps_f.'.'.$i) { |
if (-e $eps_f.'.'.$i) { |
rename $eps_f.'.'.$i, $eps_f; |
rename($eps_f.'.'.$i, $eps_f); |
|
last; |
|
} |
|
my $anim_eps = $eps_f; |
|
$anim_eps =~ s/(\.[^.]*)\.eps$/$1-$i\.eps/i; |
|
if (-e $anim_eps) { |
|
rename($anim_eps, $eps_f); |
last; |
last; |
} |
} |
} |
} |
} |
} |
|
# imagemagick 6.2.0-6.2.7 fails to properly handle |
|
# convert anim.gif anim.gif.eps |
|
# it creates anim.eps instead. |
|
if (not -e $eps_f) { |
|
my $eps_f2 = $eps_f; |
|
$eps_f2 =~ s/\.[^.]*\.eps$/\.eps/i; |
|
if(-e $eps_f2) { |
|
rename($eps_f2,$eps_f); |
|
} |
|
} |
|
|
} |
} |
} |
} |
unlink $figfile; |
if ($advanced_role) { |
|
&Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); |
|
} |
|
unlink($figfile); |
|
} |
|
#print "$texfile\n"; #name of the tex file for debugging only |
|
my @texfile=($texfile); |
|
if ($number_of_files>1) { |
|
@texfile=(); |
|
for (my $i=1;$i<=$number_of_files;$i++) { |
|
my $new_texfile=$texfile; |
|
$new_texfile=~s/\.tex//; |
|
$new_texfile = sprintf("%s_%03d.tex", $new_texfile,$i); |
|
push @texfile,$new_texfile; |
|
} |
|
} |
|
|
|
my $ind=-1; |
|
my %prog_state; |
|
if ($advanced_role) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Print Status','Class Print Status',$number_of_files,'inline','80'); } |
|
print "<br />"; |
|
my $num_files = @texfile; |
|
foreach $texfile (@texfile) { |
|
my $status_statement=''; |
|
my $link_text='download PDF'; |
|
$ind++; |
|
my @stud_info=split(/_END_/,$names_pack[$ind]); |
|
my @tempo_array=split(/:/,$stud_info[0]); |
|
my $name; |
|
my $name_range=''; |
|
if ($tempo_array[3]) { |
|
$name=$tempo_array[3]; |
|
($name_range) = split(/,/,$name, 2); |
|
} else { |
|
$name=$tempo_array[0].'@'.$tempo_array[1]; |
|
$name_range = $tempo_array[0]; |
|
} |
|
if (($name ne "") && ($name ne '@') ) { # Could be printing codes... |
|
$link_text='<b>'.$name.'</b>'; |
|
$status_statement.=$name; |
|
} |
|
if ($#stud_info>0) { |
|
@tempo_array=split(/:/,$stud_info[-1]); |
|
if ($tempo_array[3]) { |
|
$name=$tempo_array[3]; |
|
my ($lastname) = split(/,/, $name,2); |
|
$name_range .= "-".$lastname; |
|
} else { |
|
$name=$tempo_array[0].'@'.$tempo_array[1]; |
|
$name_range .= '-'.$tempo_array[0]; |
|
} |
|
if (($name ne "") && ($name ne '@')) { |
|
$link_text.=' - <b>'.$name.'</b>'; |
|
$status_statement.=' - '.$name; |
|
|
|
} |
} |
} |
#print "$texfile\n"; #name of the tex file for debugging only |
if(($num_files > 1) && ($link_text eq 'download PDF')) { # Printing codes |
|
$link_text = '<b>'.basename($texfile,'.tex').'.pdf</b>'; |
|
$status_statement .= basename($texfile); |
|
} |
|
$name_range =~ s/'//g; # O'Neil -> ONeil e.g. |
|
print "<br/>"; |
|
if ($advanced_role) { &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'Creating PDF for '.$status_statement); } |
|
# This little piece of dirt puts username ranges into the original tex |
|
# Tex filename from which they'll propagate into the other filenames as well. |
|
# |
if (-e $texfile) { |
if (-e $texfile) { |
|
if (($name_range ne '') && ($num_files > 1)) { |
|
my $newtexfile = $texfile; |
|
$newtexfile =~ s/\.tex/$name_range\.tex/; |
|
rename($texfile, $newtexfile); |
|
$texfile = $newtexfile; |
|
} |
$texfile =~ m/^(.*)\/([^\/]+)$/; |
$texfile =~ m/^(.*)\/([^\/]+)$/; |
my $name_file = $2; |
my $name_file = $2; |
my $path_file = $1.'/'; |
my $path_file = $1.'/'; |
chdir $path_file; |
chdir $path_file; |
system("latex $name_file 1>/dev/null 2>/dev/null"); |
my $dvi_file= $name_file; $dvi_file =~ s/\.tex/$name_range\.dvi/; |
if ($selectionmade>=10) {system("latex $name_file 1>/dev/null 2>/dev/null");} #to create table of contents |
&busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement now LaTeXing file", |
|
\%prog_state,$dvi_file); |
|
if ($tableofcontents eq 'yes') { |
|
&busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement First LaTeX of file for table of contents", |
|
\%prog_state,$dvi_file); |
|
&busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement Second LaTeX of file for table of contents", |
|
\%prog_state,$dvi_file); |
|
} #to create table of contents |
my $idxname=$name_file; |
my $idxname=$name_file; |
$idxname=~s/\.tex$/\.idx/; |
$idxname=~s/\.tex$/\.idx/; |
if ($selectionmade>=100) { |
if ($tableofindex eq 'yes') { |
system("makeindex $idxname"); |
&busy_wait_command("makeindex $idxname", |
system("latex $name_file 1>/dev/null 2>/dev/null"); |
"making index file", |
|
\%prog_state,$idxname); |
|
&busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement now LaTeXing file for index section", |
|
\%prog_state,$dvi_file); |
} #to create index |
} #to create index |
#Do we have a latex error in the log file? |
#Do we have a latex error in the log file? |
my $logfilename = $texfile; |
my $logfilename = $texfile; $logfilename =~ s/\.tex$/\.log/; |
$logfilename =~ s/\.tex$/\.log/; |
my $temporary_file=IO::File->new($logfilename) || die "Couldn't open log file $logfilename for reading: $!\n"; |
my $temporary_file=IO::File->new($logfilename) || 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 $body_log_file = join(' ',@content_of_file); |
my $body_log_file = join(' ',@content_of_file); |
Line 67 use Image::Magick;
|
Line 382 use Image::Magick;
|
$temporary_file = IO::File->new('>'.$logfilename); |
$temporary_file = IO::File->new('>'.$logfilename); |
print $temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_log_file.'</pre></body></html>'."\n"; |
print $temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_log_file.'</pre></body></html>'."\n"; |
if ($body_log_file=~m/!\s+Emergency stop/) { |
if ($body_log_file=~m/!\s+Emergency stop/) { |
#LaTeX failed to parse tex file |
|
print "<h2>LaTeX could not successfully parse your tex file.</h2>"; |
|
print "It probably has errors in it.<br />"; |
|
my $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART'; |
my $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART'; |
my $whereitends = rindex $body_log_file,'STAMPOFPASSEDRESOURCEEND'; |
my $whereitends = rindex $body_log_file,'STAMPOFPASSEDRESOURCEEND'; |
|
my $badresource; |
|
my $badtext; |
if ($whereitbegins!=-1 and $whereitends!=-1) { |
if ($whereitbegins!=-1 and $whereitends!=-1) { |
print "With very high probability this error occured in ".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)."<br /><br />"; |
$badtext = substr($body_log_file,$whereitbegins+26, $whereitends-$whereitbegins-26); |
|
$whereitbegins = rindex $badtext,'located in'; |
|
if ($whereitbegins != -1) { |
|
|
|
$badresource = substr($badtext, $whereitbegins+27, |
|
length($badtext) - $whereitbegins - 48); |
|
# print "<br />failing resourcename: $badresource<br />"; |
|
} |
} |
} |
print "Here are the error messages in the LaTeX log file</br><br />"; |
|
my $sygnal = 0; |
if ($advanced_role) { |
for (my $i=0;$i<=$#content_of_file;$i++) { |
#LaTeX failed to parse tex file |
if ($content_of_file[$i]=~m/^Runaway argument?/ or $content_of_file[$i]=~m/^!/) { |
print "<h2>LaTeX could not successfully parse your tex file.</h2>"; |
$sygnal = 1; |
print "It probably has errors in it.<br />"; |
} |
print "With very high probability this error occured in ".$badtext."<br /><br />"; |
if ($content_of_file[$i]=~m/Here is how much of/) { |
print "Here are the error messages in the LaTeX log file<br /><pre>"; |
$sygnal = 0; |
|
} |
my $sygnal = 0; |
if ($sygnal) { |
for (my $i=0;$i<=$#content_of_file;$i++) { |
print "$content_of_file[$i]<br />"; |
if ($content_of_file[$i]=~m/^Runaway argument?/ or $content_of_file[$i]=~m/^!/) { |
} |
$sygnal = 1; |
} |
} |
|
if ($content_of_file[$i]=~m/Here is how much of/) { |
|
$sygnal = 0; |
|
} |
|
if ($sygnal) { |
|
print "$content_of_file[$i]"; |
|
} |
|
} |
|
print "</pre>\n"; |
|
# print "<br /> Advanced role <br />"; |
|
print "<b><big>The link to "; |
|
$logfilename=~s/\/home\/httpd//; |
|
print "<a href=\"$logfilename\">Your log file </a></big></b>"; |
|
print "\n"; |
|
#link tooriginal LaTeX file (included according Michael Hamlin desire) |
|
my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open tex file $texfile for reading: $!\n"; |
|
my @tex_content_of_file = <$tex_temporary_file>; |
|
close $tex_temporary_file; |
|
my $body_tex_file = join(' ',@tex_content_of_file); |
|
$texfile =~ s/\.tex$/aaaaa\.html/; |
|
$tex_temporary_file = IO::File->new('>'.$texfile); |
|
print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n"; |
|
print "<br /><br />"; |
|
print "<b><big>The link to "; |
|
$texfile=~s/\/home\/httpd//; |
|
print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>"; |
|
print "\n"; |
|
my $help_text = &Apache::loncommon::help_open_topic("Print_Resource", "Help on printing"); |
|
print ("$help_text"); |
|
|
|
} else { # Student role... |
|
# at this point: |
|
# $body_log_file - contains the log file. |
|
# $name_file - is the name of the LaTeX file. |
|
# $identifier - is the unique LaTeX identifier.l |
|
|
|
print "<br />There are errors in $badtext"; |
|
print "<br />These errors prevent this resource from printing correctly"; |
|
my $tex_handle = IO::File->new($name_file); |
|
my @tex_contents = <$tex_handle>; |
|
&send_error_mail($identifier, $badresource, $body_log_file, \@tex_contents); |
|
print "<br />A message has been sent to the instructor describing this failure<br />"; |
|
my $help_text = &Apache::loncommon::help_open_topic("Print_Resource", "Help on printing"); |
|
print ("$help_text"); |
|
|
|
} |
|
|
} elsif ($body_log_file=~m/<inserted text>/) { |
} elsif ($body_log_file=~m/<inserted text>/) { |
my $whereitbegins = index $body_log_file,'<inserted text>'; |
my $whereitbegins = index $body_log_file,'<inserted text>'; |
print "You are running LaTeX in the <b>batch mode</b>."; |
print "You are running LaTeX in <b>batch mode</b>."; |
while ($whereitbegins != -1) { |
while ($whereitbegins != -1) { |
my $tempobegin=$whereitbegins; |
my $tempobegin=$whereitbegins; |
$whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART',$whereitbegins; |
$whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART',$whereitbegins; |
my $whereitends = index $body_log_file,'STAMPOFPASSEDRESOURCEEND',$whereitbegins; |
my $whereitends = index $body_log_file,'STAMPOFPASSEDRESOURCEEND',$whereitbegins; |
print "<br />It has found an error in".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)." and corrected it.\n"; |
print "<br />It has found an error in".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)." <br /> and corrected it.\n"; |
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"; |
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"; |
$whereitbegins = index $body_log_file,'<inserted text>',$tempobegin+10; |
$whereitbegins = index $body_log_file,'<inserted text>',$tempobegin+10; |
} |
} |
$name_file =~ s/\.tex/\.dvi/; |
$name_file =~ s/\.tex/\.dvi/; |
my $new_name_file = $name_file; |
my $new_name_file = $name_file; |
$new_name_file =~ s/\.dvi/\.ps/; |
$new_name_file =~ s/\.dvi/\.ps/; |
my $comma = "dvips -Ppdf -G0 -o $new_name_file"; |
my $papera=$paper; |
system("$comma $name_file 1>/dev/null 2>/dev/null"); |
if ($papera eq 'letter') {$papera='';} |
|
if ($papera ne '') {$papera='-t'.$papera;} |
|
my $comma = "dvips $papera -Ppdf -G0 -o $new_name_file"; |
|
&busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement now Converting to PS", |
|
\%prog_state,$new_name_file); |
if (-e $new_name_file) { |
if (-e $new_name_file) { |
print "<h1>PDF output file (see link below)</h1>\n"; |
my $latex_file = $name_file; |
|
$latex_file =~ s/\.dvi/\.tex/; |
|
&repaginate($new_name_file, $latex_file, $numberofcolumns); |
|
# |
|
# Now have to re-latex, re dvips again to |
|
# get the repaginated postscript. |
|
# |
|
&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement first latex to repaginate", |
|
\%prog_state, $name_file); |
|
if ($tableofcontents eq 'yes') { |
|
&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement second latex to repaginate", |
|
\%prog_state, $name_file); |
|
&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement third latex to repaginate", |
|
\%prog_state, $name_file); |
|
} |
|
if ($tableofindex eq 'yes') { |
|
my $idxname = $latex_file; |
|
$idxname =~ s/\.tex$/\.idx/; |
|
&busy_wait_command("makindex $idxname", |
|
"Re-creating index file", |
|
\%prog_state, $idxname); |
|
&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement now Recreting index (latex)", |
|
\%prog_state, $dvi_file); |
|
|
|
} |
|
&busy_wait_command("$comma $name_file 1>dev/null 2>/dev/null", |
|
"for $status_statement dvips to repaginate", |
|
\%prog_state, $new_name_file); |
|
print "\n<h1>PDF output file (see link below)</h1>\n"; |
$new_name_file =~ m/^(.*)\./; |
$new_name_file =~ m/^(.*)\./; |
my $tempo_file = $1.'temporar.ps'; |
my $ps_file = my $tempo_file = $1.'temporar.ps'; |
my $name_file = $1.'.pdf'; |
my $pdf_file = $1.'.pdf'; |
if ($laystyle eq 'album' and $numberofcolumns eq '2') { |
if ($laystyle eq 'album' and $numberofcolumns eq '2') { |
$comma = "psnup -2 -s1.0 $new_name_file"; |
my $papera=$paper; |
system("$comma $tempo_file 1>/dev/null 2>/dev/null"); |
if ($papera eq 'letter') {$papera='';} |
system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null"); |
if ($papera ne '') {$papera='-p'.$papera;} |
|
$comma = "psnup $papera -2 -s1.0 $new_name_file"; |
|
&busy_wait_command("$comma $tempo_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement now Modifying PS layout", |
|
\%prog_state,$tempo_file); |
} elsif ($laystyle eq 'book' and $numberofcolumns eq '2') { |
} elsif ($laystyle eq 'book' and $numberofcolumns eq '2') { |
$comma = 'pstops -pletter "2:0+1(0.48w,0)"'; |
my $papera=$paper; |
system("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null"); |
if ($papera eq 'letter') {$papera='';} |
system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null"); |
if ($papera ne '') {$papera='-p'.$papera;} |
|
$comma = 'pstops '.$papera.' "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 { |
} else { |
system("ps2pdf $new_name_file $name_file 1>/dev/null 2>/dev/null"); |
$ps_file=$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 $texlog = $texfile; |
my $texaux = $texfile; |
my $texaux = $texfile; |
my $texdvi = $texfile; |
my $texdvi = $texfile; |
Line 131 use Image::Magick;
|
Line 548 use Image::Magick;
|
my @garb = ($texaux,$texdvi,$texps); |
my @garb = ($texaux,$texdvi,$texps); |
# unlink @garb; |
# unlink @garb; |
unlink $duefile; |
unlink $duefile; |
print "<a href=\"/prtspool/$name_file\">Your PDF document</a>"; |
print "<a href=\"/prtspool/$pdf_file\">Your PDF document</a>"; |
|
} |
|
if ($advanced_role) { |
print "<br /><br />"; |
print "<br /><br />"; |
print "<b><big>The link to "; |
print "<b><big>The link to "; |
$logfilename=~s/\/home\/httpd//; |
$logfilename=~s/\/home\/httpd//; |
print "<a href=\"$logfilename\">Your log file </a></big></b>"; |
print "<a href=\"$logfilename\">Your log file </a></big></b>"; |
print "\n"; |
print "\n"; |
|
#link tooriginal LaTeX file (included according Michael Hamlin desire) |
|
my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open tex file $texfile for reading: $!\n"; |
|
my @tex_content_of_file = <$tex_temporary_file>; |
|
close $tex_temporary_file; |
|
my $body_tex_file = join(' ',@tex_content_of_file); |
|
$texfile =~ s/\.tex$/aaaaa\.html/; |
|
$tex_temporary_file = IO::File->new('>'.$texfile); |
|
print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n"; |
|
print "<br /><br />"; |
|
print "<b><big>The link to "; |
|
$texfile=~s/\/home\/httpd//; |
|
print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>"; |
|
print "\n"; |
} |
} |
} else { |
} else { |
#LaTeX successfully parsed tex file |
#LaTeX successfully parsed tex file |
$name_file =~ s/\.tex/\.dvi/; |
$name_file =~ s/\.tex/\.dvi/; |
my $new_name_file = $name_file; |
my $new_name_file = $name_file; |
$new_name_file =~ s/\.dvi/\.ps/; |
$new_name_file =~ s/\.dvi/\.ps/; |
my $comma = "dvips -Ppdf -G0 -o $new_name_file"; |
my $papera=$paper; |
system("$comma $name_file 1>/dev/null 2>/dev/null"); |
if ($papera eq 'letter') {$papera='';} |
|
if ($papera ne '') {$papera='-t'.$papera;} |
|
my $comma = "dvips $papera -Ppdf -G0 -o $new_name_file"; |
|
&busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement now Converting to PS", |
|
\%prog_state,$new_name_file); |
if (-e $new_name_file) { |
if (-e $new_name_file) { |
print "<h1>Successfully created PDF output file (see link below)</h1>\n"; |
my $latex_file = $name_file; |
|
$latex_file =~ s/\.dvi/\.tex/; |
|
&repaginate($new_name_file, $latex_file, $numberofcolumns); |
|
&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement first latex to repaginate", |
|
\%prog_state, $name_file); |
|
if ($tableofcontents eq 'yes') { |
|
&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement second latex to repaginate", |
|
\%prog_state, $name_file); |
|
&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement third latex to repaginate", |
|
\%prog_state, $name_file); |
|
} |
|
if ($tableofindex eq 'yes') { |
|
my $idxname = $latex_file; |
|
$idxname =~ s/\.tex$/\.idx/; |
|
&busy_wait_command("makeindex $idxname", |
|
"Re-creating index file", |
|
\%prog_state, $idxname); |
|
&busy_wait_command("latex $latex_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement now Recreting index (latex)", |
|
\%prog_state, $dvi_file); |
|
} |
|
&busy_wait_command("$comma $name_file 1>/dev/null 2>/dev/null", |
|
"for $status_statement dvips to repaginate", |
|
\%prog_state, $new_name_file); |
|
print "<br />"; |
$new_name_file =~ m/^(.*)\./; |
$new_name_file =~ m/^(.*)\./; |
my $tempo_file = $1.'temporar.ps'; |
my $ps_file = my $tempo_file = $1.'temporar.ps'; |
my $name_file = $1.'.pdf'; |
my $pdf_file = $1.'.pdf'; |
|
$papera=~s/t/p/; |
if ($laystyle eq 'album' and $numberofcolumns eq '2') { |
if ($laystyle eq 'album' and $numberofcolumns eq '2') { |
$comma = "psnup -2 -s1.0 $new_name_file"; |
$comma = "psnup $papera -2 -s1.0 $new_name_file"; |
system("$comma $tempo_file 1>/dev/null 2>/dev/null"); |
&busy_wait_command("$comma $tempo_file 1>/dev/null 2>/dev/null", |
system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null"); |
"for $status_statement now Modifying PS layout", |
|
\%prog_state,$tempo_file); |
} elsif ($laystyle eq 'book' and $numberofcolumns eq '2') { |
} elsif ($laystyle eq 'book' and $numberofcolumns eq '2') { |
$comma = 'pstops -pletter "2:0+1(0.48w,0)"'; |
$comma = 'pstops '.$papera.' "2:0+1(0.48w,0)"'; |
system("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null"); |
&busy_wait_command("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null", |
system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null"); |
"for $status_statement now Modifying PS layout", |
|
\%prog_state,$tempo_file); |
} else { |
} else { |
system("ps2pdf $new_name_file $name_file 1>/dev/null 2>/dev/null"); |
$ps_file=$new_name_file; |
} |
} |
|
my $addtoPSfile={'legal'=>'<< /PageSize [612 1008] >> setpagedevice', |
|
'tabloid'=>'<< /PageSize [792 1224] >> setpagedevice', |
|
'executive'=>,'<< /PageSize [540 720] >> setpagedevice', |
|
'a2'=>'<< /PageSize [1195.02 1690.09] >> setpagedevice', |
|
'a3'=>'<< /PageSize [842 1195.02] >> setpagedevice', |
|
'a4'=>'<< /PageSize [595.2 842] >> setpagedevice', |
|
'a5'=>'<< /PageSize [421.1 595.2] >> setpagedevice', |
|
'a6'=>'<< /PageSize [298.75 421.1] >> setpagedevice', |
|
}; |
|
if ($paper ne 'letter') { |
|
open(FFH,'<',$ps_file) || die "Couldn't open ps file $ps_file for reading: $!\n"; |
|
my $new_ps_file='new'.$ps_file; |
|
open(FFHS,'>',$new_ps_file) || die "Couldn't open new ps file $new_ps_file for reading: $!\n"; |
|
print FFHS $addtoPSfile->{$paper}."\n"; |
|
while (<FFH>) { |
|
print FFHS $_; |
|
} |
|
close(FFH); |
|
close(FFHS); |
|
$ps_file=$new_ps_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 $texlog = $texfile; |
my $texaux = $texfile; |
my $texaux = $texfile; |
my $texdvi = $texfile; |
my $texdvi = $texfile; |
Line 172 use Image::Magick;
|
Line 664 use Image::Magick;
|
my @garb = ($texlog,$texaux,$texdvi,$texps); |
my @garb = ($texlog,$texaux,$texdvi,$texps); |
# unlink @garb; |
# unlink @garb; |
unlink $duefile; |
unlink $duefile; |
print "<a href=\"/prtspool/$name_file\">Your PDF document</a>"; |
print "<a href=\"/prtspool/$pdf_file\">$link_text - click here to download pdf</a>"; |
print "\n"; |
print "\n"; |
} |
} |
} |
} |
} else { |
} else { |
print "LaTeX file $texfile was not created successfully"; |
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 ($advanced_role) { &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); } |
|
print(&Apache::loncommon::end_page()); |
|
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 ($advanced_role) { |
|
&Apache::lonhtmlcommon::Update_PrgWin('',$progress_win,$message); |
|
} |
|
while(!$done) { |
|
sleep 1; |
|
my $extra_msg; |
|
if ($output_file) { |
|
my $size=(stat($output_file))[7]; |
|
$extra_msg=", $size bytes generated"; |
|
} |
|
if ($advanced_role) { |
|
&Apache::lonhtmlcommon::Update_PrgWin('',$progress_win, |
|
$message.$extra_msg); |
|
} |
|
} |
|
$SIG{CHLD}='IGNORE'; |
|
close(CMD); |
|
} |
|
|
|
# Repagninate |
|
# What we need to do: |
|
# - Count the number of pages in each student. |
|
# - Rewrite the latex file replacing the \specials that |
|
# mark the end of student with an appropriate number of newlines. |
|
# parameters: |
|
# psfile - Postscript filename |
|
# latexfile - LaTeX filename |
|
# columns - number of columns. |
|
sub repaginate { |
|
|
|
# We will try to do this in 2 passes through the postscript since |
|
# the postscript is potentially large, to do 2 passes, the first pass |
|
# must be able to calculate the total number of document pages so that |
|
# at the beginning of the second pass we already know how to replace |
|
# %%Pages: |
|
|
|
# Figure out |
|
# 1. Number of pages in the document |
|
# 2. Maximum number of pages in a student |
|
# 3. Number of pages in each student. |
|
|
|
my ($postscript_filename, $latex_filename, $num_columns) = @_; |
|
open(PSFILE, "<$postscript_filename"); |
|
my $line; |
|
my $total_pages; # Total pages in document. |
|
my $seen_pages = 0; # There are several %%Pages only the first is useful |
|
my $student_number = 0; # Index of student we're working on. |
|
my @pages_in_student; # For each student his/her initial page count. |
|
my $max_pages = 0; # Pages in 'longest' student. |
|
my $page_number = 0; |
|
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
|
"Counting pages for student: ".$student_number+1); |
|
|
|
while ($line = <PSFILE>) { |
|
|
|
# Check for total pages (%%Pages:) |
|
|
|
if (($line =~ /^%%Pages:/) && (!$seen_pages)) { |
|
my @pageinfo = split(/ /,$line); |
|
$total_pages = $pageinfo[1]; |
|
$seen_pages = 1; |
|
} |
|
# Check for %%Page: n m $page_number will be the |
|
# biggest of these until we see an endofstudent. |
|
# Note that minipages generate spurious %Page: 1 1's so |
|
# we only are looking for the largest n (n is page number at the |
|
# bottom of the page, m the page number within the document. |
|
# |
|
|
|
if ($line =~ /^%%Page:/) { |
|
my @pageinfo = split(/ /, $line); |
|
if ($page_number < $pageinfo[1]) { |
|
$page_number = $pageinfo[1]; |
|
} |
|
} |
|
# ENDOFSTUDENTSTAMP - save the page_number, reset and, if necessary |
|
# udpate max_pages. |
|
# |
|
if ($line =~ /ENDOFSTUDENTSTAMP/) { |
|
$pages_in_student[$student_number] = $page_number; |
|
$student_number++; |
|
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
|
"Counting pages for student: ".$student_number+1); |
|
|
|
if ($page_number > $max_pages) { |
|
$max_pages = $page_number; |
|
} |
|
$page_number = 0; |
|
|
|
} |
|
|
|
|
|
} |
|
close(PSFILE); |
|
|
|
# If 2 columns, max_pages must go to an even number of columns: |
|
|
|
&Apache::lonnet::logthis("Before 2 col adjust max-pages = $max_pages"); |
|
|
|
if ($num_columns == 2) { |
|
if ($max_pages % 2) { |
|
$max_pages++; |
|
} |
|
} |
|
&Apache::lonnet::logthis("after adjust: $max_pages"); |
|
|
|
# Now rewrite the LaTex file, substituting our \special |
|
# with an appropriate number of \newpage directives. |
|
|
|
my $outfilename = $latex_filename."temp"; |
|
|
|
open(LATEXIN, "<$latex_filename"); |
|
open(LATEXOUT, ">$outfilename"); |
|
|
|
|
|
$student_number = 0; # first student... |
|
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
|
"Repaginating student ".$student_number+1); |
|
|
|
while (my $line = <LATEXIN>) { |
|
if ($line eq "\\special{ps:ENDOFSTUDENTSTAMP}\n") { |
|
# only end of student stamp if next line is ENDOFSTUDENTSTAMP: |
|
|
|
|
|
|
|
# End of student replace with 0 or more newpages. |
|
|
|
my $addlines = $max_pages - $pages_in_student[$student_number]; |
|
&Apache::lonnet::logthis("student: $pages_in_student[$student_number] add: $addlines"); |
|
while($addlines) { |
|
print LATEXOUT '\clearpage \strut \clearpage'; |
|
|
|
$addlines--; |
|
} |
|
|
|
$student_number++; |
|
&Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state, |
|
"Repaginating student ".$student_number+1); |
|
|
|
} else { |
|
print LATEXOUT $line; |
|
} |
|
} |
|
|
|
close(LATEXIN); |
|
close(LATEXOUT); |
|
rename($outfilename, $latex_filename); |
|
|
|
} |
|
|