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Diff for /loncom/interface/printout.pl between versions 1.79 and 1.86

version 1.79, 2005/05/03 21:15:28 version 1.86, 2005/07/25 10:27:51
Line 1 Line 1
 #!/usr/bin/perl  #!/usr/bin/perl
 # CGI-script to run LaTeX, dvips, ps2ps, ps2pdf etc.  # CGI-script to run LaTeX, dvips, ps2ps, ps2pdf etc.
 #  #
 # $Id$  
 #  #
 # Copyright Michigan State University Board of Trustees  # Copyright Michigan State University Board of Trustees
 #  #
Line 32  use File::Path; Line 31  use File::Path;
 use IO::File;  use IO::File;
 use Image::Magick;  use Image::Magick;
 use Apache::lonhtmlcommon;  use Apache::lonhtmlcommon;
 use Apache::lonnet();  use Apache::lonnet;
 use Apache::loncommon;  use Apache::loncommon;
 use Apache::lonlocal;  use Apache::lonlocal;
 use Apache::lonmsg;  use Apache::lonmsg;
Line 40  use LONCAPA::Enrollment; Line 39  use LONCAPA::Enrollment;
   
 use strict;  use strict;
   
 #  Get the list of course coordinators authorized on this course:  
 #Parameters:  
 #    id   - Course id.  
 #    dom  - Domain of course.  
 #Returns:  
 #   A (possibly empty) list of course coordinators.  Each course coordinator  
 #   is given as user:domain  
 #  
 sub get_cc_list {  
     my ($id, $dom) = @_;  
     my @personel = &Apache::lonnet::getkeys('nohist_userroles', $dom, $id);  
     my @coordinators;  
     foreach my $person (@personel) {  
  my @info = split(/:/, $person);  
  my $role = $info[0];  
  my $user = $info[1];  
  my $udom = $info[2];  
  if ($role eq 'cc') {  
     my $isactive = &LONCAPA::Enrollment::check_user_status($udom, $user, $dom, $id, 'cc');  
     if ($isactive eq 'ok') {  
  push @coordinators, $user.':'.$udom;  
     }  
  }  
     }  
     return (@coordinators);  
 }  
 #  #
 #   Determine if a user is operating as a student for this course/domain.  #   Determine if a user is operating as a student for this course/domain.
 #  #
Line 78  sub get_cc_list { Line 52  sub get_cc_list {
 #    $env{request.role} contains the role under which this user operated this  #    $env{request.role} contains the role under which this user operated this
 #                       this request.  #                       this request.
 sub is_student {  sub is_student {
     my ($course, $cdom) = @_;      return (! $env{'request.role.adv'});
     my $active_role = $env{'request.role'};  
     my @role_fields = split(/\//, $active_role);   
   
   
     if ( ($role_fields[0] eq 'st.') && ($role_fields[1] eq $cdom) &&  
  ($role_fields[2] eq $course)) {  
  return 1;  
     } else {  
  return 0;  
     }  
   
   
 }  }
   
 #  #
 #   Debugging:  Dump the environment for debugging.  #   Debugging:  Dump the environment for debugging.
 #  #
 sub dumpenv  {  sub dumpenv  {
     print "<p>-------------------</p>";      print "<br />-------------------<br />";
     foreach my $key (sort (keys %env)) {      foreach my $key (sort (keys %env)) {
  print "<br />$key -> $env{$key}";   print "<br />$key -> $env{$key}";
     }      }
     print "<p>-------------------</p>";      print "<br />-------------------<br />";
 }  }
   
 #  #
Line 110  sub dumpenv  { Line 72  sub dumpenv  {
 #   a student printing inside a course results in messages to the course coordinator.  #   a student printing inside a course results in messages to the course coordinator.
 #Parmaeters:  #Parmaeters:
 #    identifier -  The unique identifier of this cgi request.  #    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).  #    logfile    -  The contents of the log file (included in the message).
 #    texfile    -  reference to an array containing the LaTeX input file  #    texfile    -  reference to an array containing the LaTeX input file
 #                  (included in the message).  #                  (included in the message).
Line 123  sub dumpenv  { Line 86  sub dumpenv  {
 #                                  was attempted.  #                                  was attempted.
 #   # 
 sub send_error_mail {  sub send_error_mail {
     my ($identifier,$logfile, $texfile) = @_;      my ($identifier, $badresource, $logfile, $texfile) = @_;
     my $user     = $env{"cgi.$identifier.user"};      my $user     = $env{"cgi.$identifier.user"};
     my $domain   = $env{"cgi.$identifier.domain"};      my $domain   = $env{"cgi.$identifier.domain"};
     my $courseid = $env{"cgi.$identifier.courseid"};      my $courseid = $env{"cgi.$identifier.courseid"};
     my $coursedom= $env{"cgi.$identifier.coursedom"};      my $coursedom= $env{"cgi.$identifier.coursedom"};
     my $resources= $env{"cgi.$identifier.resources"};      my $resources= $env{"cgi.$identifier.resources"};
   
    # &dumpenv();      #  resource file->URL
       #
       my $badurl = &Apache::lonnet::declutter($badresource);
   
       # &dumpenv();
   
   
   
Line 140  sub send_error_mail { Line 107  sub send_error_mail {
     if(defined($user)       && defined($domain) && defined($courseid) &&      if(defined($user)       && defined($domain) && defined($courseid) &&
        defined($coursedom)  && defined($resources) ){         defined($coursedom)  && defined($resources) ){
         
  my @cclist = &get_cc_list($courseid, $coursedom);  
   
  #  Only mail if the conditions are ripe for it:   #  Only mail if the conditions are ripe for it:
  #  The user is a student in the course:   #  The user is a student in the course:
  #   #
   
  if (&is_student( $courseid, $coursedom)) {   if (&is_student( $courseid, $coursedom)) {
     # build the subject and message body:      # build the subject and message body:
     print "sending message to course coordinators.<br />";      # print "sending message to course coordinators.<br />";
       
     my $subject  = "Print failed for $user".'@'.$domain;      # 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";      my $message .= "Print failed to render LaTeX for $user".'@'."$domain\n";
     $message    .= "  User was attempting to print: \n";      $message    .= "  User was attempting to print: \n";
     $message    .= "       $resources\n";      $message    .= "       $resources\n";
Line 161  sub send_error_mail { Line 128  sub send_error_mail {
     foreach my $line (@$texfile) {      foreach my $line (@$texfile) {
  $message .= "$line\n";   $message .= "$line\n";
     }      }
     foreach my $dest (@cclist) {      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 @destinfo = split(/:/,$dest);
  my $user = $destinfo[0];   my $user = $destinfo[0];
  my $dom  = $destinfo[1];   my $dom  = $destinfo[1];
Line 239  END Line 210  END
       # print "$status_statement\n";        # print "$status_statement\n";
       $not_eps=~s|\/\.\/|\/|g;        $not_eps=~s|\/\.\/|\/|g;
       my $eps_f = $not_eps;        my $eps_f = $not_eps;
       $eps_f =~ s/\.[^.]*$/\.eps/i;        # $eps_f =~ s/\.[^.]*$/\.eps/i;
         $eps_f .= '.eps'; # Just append the eps ext.
       if ($eps_f=~/\/home\/([^\/]+)\/public_html\//) {        if ($eps_f=~/\/home\/([^\/]+)\/public_html\//) {
                   $eps_f=~s/\/home\/([^\/]+)\/public_html/$1/;                    $eps_f=~s/\/home\/([^\/]+)\/public_html/$1/;
   $eps_f = '/home/httpd/prtspool/'.$eps_f;    $eps_f = '/home/httpd/prtspool/'.$eps_f;
Line 290  END Line 262  END
       @texfile=();        @texfile=();
       for (my $i=1;$i<=$number_of_files;$i++) {        for (my $i=1;$i<=$number_of_files;$i++) {
   my $new_texfile=$texfile;    my $new_texfile=$texfile;
   $new_texfile=~s/\.tex/_$i\.tex/;    $new_texfile=~s/\.tex//;
     $new_texfile = sprintf("%s_%03d.tex", $new_texfile,$i);
     print "<BR>Produced file: $new_texfile";
   push @texfile,$new_texfile;    push @texfile,$new_texfile;
       }         } 
   }    }
Line 359  foreach $texfile (@texfile) { Line 333  foreach $texfile (@texfile) {
       $temporary_file = IO::File->new('>'.$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 $badtext,'located in';
   print "Here are the error messages in the LaTeX log file</br><br /><pre>";        if ($whereitbegins != -1) {
   my $sygnal = 0;    
   for (my $i=0;$i<=$#content_of_file;$i++) {    $badresource = substr($badtext, $whereitbegins+27, 
       if ($content_of_file[$i]=~m/^Runaway argument?/ or $content_of_file[$i]=~m/^!/) {   length($badtext) - $whereitbegins - 48);
   $sygnal = 1;    # print "<br />failing resourcename: $badresource<br />";
       }         }
       if ($content_of_file[$i]=~m/Here is how much of/) {  
   $sygnal = 0;  
       }   
       if ($sygnal) {  
   print "$content_of_file[$i]";  
       }    
   }    }
   print "</pre>\n";    
           if ($advanced_role) {              if ($advanced_role) {  
       print "<p> Advanced role </p>";        #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 />";
         print "With very high probability this error occured in ".$badtext."<br /><br />";
         print "Here are the error messages in the LaTeX log file<br /><pre>";
         my $sygnal = 0;
         for (my $i=0;$i<=$#content_of_file;$i++) {
     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 ";                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>";
Line 406  foreach $texfile (@texfile) { Line 391  foreach $texfile (@texfile) {
               #    $name_file     - is the name of the LaTeX file.                #    $name_file     - is the name of the LaTeX file.
               #    $identifier    - is the unique LaTeX identifier.l                #    $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 $tex_handle = IO::File->new($name_file);
       my @tex_contents = <$tex_handle>;        my @tex_contents = <$tex_handle>;
       &send_error_mail($identifier, $body_log_file, \@tex_contents);        &send_error_mail($identifier, $badresource, $body_log_file, \@tex_contents);
         print "<br />A message has been sent to the instructor describing this failure<br />"
   }    }
   
       } elsif ($body_log_file=~m/<inserted text>/) {        } elsif ($body_log_file=~m/<inserted text>/) {
Line 438  foreach $texfile (@texfile) { Line 426  foreach $texfile (@texfile) {
       my $ps_file = my $tempo_file = $1.'temporar.ps';        my $ps_file = my $tempo_file = $1.'temporar.ps';
       my $pdf_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;
                     if ($papera eq 'letter') {$papera='';}
     if ($papera ne '') {$papera='-p'.$papera;}
     $comma = "psnup $papera -2 -s1.0 $new_name_file";
   &busy_wait_command("$comma $tempo_file 1>/dev/null 2>/dev/null",    &busy_wait_command("$comma $tempo_file 1>/dev/null 2>/dev/null",
      "for $status_statement now Modifying PS layout",       "for $status_statement now Modifying PS layout",
      \%prog_state,$tempo_file);        \%prog_state,$tempo_file); 
Line 508  foreach $texfile (@texfile) { Line 499  foreach $texfile (@texfile) {
       $new_name_file =~ m/^(.*)\./;        $new_name_file =~ m/^(.*)\./;
       my $ps_file = my $tempo_file = $1.'temporar.ps';        my $ps_file = my $tempo_file = $1.'temporar.ps';
       my $pdf_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 $new_name_file";
   &busy_wait_command("$comma $tempo_file 1>/dev/null 2>/dev/null",    &busy_wait_command("$comma $tempo_file 1>/dev/null 2>/dev/null",
      "for $status_statement now Modifying PS layout",       "for $status_statement now Modifying PS layout",
      \%prog_state,$tempo_file);       \%prog_state,$tempo_file);
       } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') {        } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') {
   $papera=~s/t/p/;  
   $comma = 'pstops '.$papera.' "2:0+1(0.48w,0)"';    $comma = 'pstops '.$papera.' "2:0+1(0.48w,0)"';
   &busy_wait_command("$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",
      "for $status_statement now Modifying PS layout",       "for $status_statement now Modifying PS layout",
Removed from v.1.79  
changed lines
  Added in v.1.86

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