Diff for /loncom/interface/printout.pl between versions 1.78 and 1.90

version 1.78, 2005/05/02 22:59:11 version 1.90, 2005/09/12 10:16:52
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 29 Line 28
 use lib '/home/httpd/lib/perl';  use lib '/home/httpd/lib/perl';
 use LONCAPA::loncgi;  use LONCAPA::loncgi;
 use File::Path;  use File::Path;
   use File::Basename;
 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 40  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 53  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 73  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 87  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 108  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 129  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 201  END Line 173  END
   my $numberofcolumns = $env{'cgi.'.$identifier.'.numcol'};    my $numberofcolumns = $env{'cgi.'.$identifier.'.numcol'};
   my $paper = $env{'cgi.'.$identifier.'.paper'};    my $paper = $env{'cgi.'.$identifier.'.paper'};
   my $selectionmade = $env{'cgi.'.$identifier.'.selection'};    my $selectionmade = $env{'cgi.'.$identifier.'.selection'};
   my $tableofcontents = $env{'cgi.'.$identifier.'tableofcontents'};    my $tableofcontents = $env{'cgi.'.$identifier.'.tableofcontents'};
   my $tableofindex = $env{'cgi.'.$identifier.'tableofindex'};    my $tableofindex = $env{'cgi.'.$identifier.'.tableofindex'};
   my $advanced_role = $env{'cgi.'.$identifier.'role'};    my $advanced_role = $env{'cgi.'.$identifier.'.role'};
   my $number_of_files = $env{'cgi.'.$identifier.'numberoffiles'}+1;    my $number_of_files = $env{'cgi.'.$identifier.'.numberoffiles'}+1;
   my $student_names = $env{'cgi.'.$identifier.'studentnames'};    my $student_names = $env{'cgi.'.$identifier.'.studentnames'};
   my $backref = &Apache::lonnet::unescape($env{'cgi.'.$identifier.'backref'});    my $backref = &Apache::lonnet::unescape($env{'cgi.'.$identifier.'.backref'});
   
   
   my $adv = $env{'request.role.adv'};    my $adv = $env{'request.role.adv'};
Line 239  END Line 211  END
       # print "$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 263  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);
   push @texfile,$new_texfile;    push @texfile,$new_texfile;
       }         } 
   }    }
Line 300  my %prog_state; Line 274  my %prog_state;
 print "<a href=\"$backref\"><b>Return</b></a> to last resource.<br /><br />";  print "<a href=\"$backref\"><b>Return</b></a> to last resource.<br /><br />";
 if ($adv) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Print Status','Class Print Status',$number_of_files,'inline','80'); }  if ($adv) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Print Status','Class Print Status',$number_of_files,'inline','80'); }
 print "<br />";  print "<br />";
   my $num_files = @texfile;
 foreach $texfile (@texfile) {  foreach $texfile (@texfile) {
   my $status_statement='';    my $status_statement='';
   my $link_text='download PDF';    my $link_text='download PDF';
Line 307  foreach $texfile (@texfile) { Line 282  foreach $texfile (@texfile) {
   my @stud_info=split(/_END_/,$names_pack[$ind]);    my @stud_info=split(/_END_/,$names_pack[$ind]);
   my @tempo_array=split(/:/,$stud_info[0]);    my @tempo_array=split(/:/,$stud_info[0]);
   my $name;    my $name;
     my $name_range='';
   if ($tempo_array[3]) {    if ($tempo_array[3]) {
       $name=$tempo_array[3];        $name=$tempo_array[3];
         ($name_range) = split(/,/,$name, 2);
   } else {    } else {
       $name=$tempo_array[0].'@'.$tempo_array[1];        $name=$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;
   }    }
   $link_text='<b>'.$name.'</b>';  
   $status_statement.=$name;  
   if ($#stud_info>0) {    if ($#stud_info>0) {
       @tempo_array=split(/:/,$stud_info[-1]);        @tempo_array=split(/:/,$stud_info[-1]);
       if ($tempo_array[3]) {        if ($tempo_array[3]) {
   $name=$tempo_array[3];    $name=$tempo_array[3];
     my ($lastname) = split(/,/, $name,2);
     $name_range .= "-".$lastname;
       } else {        } else {
   $name=$tempo_array[0].'@'.$tempo_array[1];    $name=$tempo_array[0].'@'.$tempo_array[1];
     $name_range .= '-'.$tempo_array[0];
         }
         if (($name ne "") && ($name ne '@')) {
     $link_text.=' - <b>'.$name.'</b>';
     $status_statement.=' -  '.$name;
     
       }        }
       $link_text.=' - <b>'.$name.'</b>';    }
       $status_statement.=' -  '.$name;    if(($num_files > 1) && ($link_text eq 'download PDF')) { # Printing codes
   }         $link_text = '<b>'.basename($texfile,'.tex').'.pdf</b>';
         $status_statement .= basename($texfile);
     }
     $name_range =~ s/'//g; # O'Neil -> ONeil e.g.
     print "<br/>";
   if ($adv) { &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'Creating PDF for '.$status_statement); }    if ($adv) { &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;
       my $dvi_file= $name_file; $dvi_file =~ s/\.tex/\.dvi/;        my $dvi_file= $name_file; $dvi_file =~ s/\.tex/$name_range\.dvi/;
       &busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null",        &busy_wait_command("latex $name_file 1>/dev/null 2>/dev/null",
  "for $status_statement now LaTeXing file",   "for $status_statement now LaTeXing file",
  \%prog_state,$dvi_file);   \%prog_state,$dvi_file);
Line 359  foreach $texfile (@texfile) { Line 360  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 400  foreach $texfile (@texfile) { Line 413  foreach $texfile (@texfile) {
       $texfile=~s/\/home\/httpd//;        $texfile=~s/\/home\/httpd//;
       print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>";        print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>";
       print "\n";        print "\n";
         my $help_text = &Apache::loncommon::help_open_topic("Print_Resource", "Help on printing");
         print ("$help_text");
   
   } else { # Student role...    } else { # Student role...
       #  at this point:        #  at this point:
       #    $body_log_file - contains the log file.        #    $body_log_file - contains the log file.
               #    $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 />";
         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>/) {
Line 438  foreach $texfile (@texfile) { Line 460  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 533  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.1.78  
changed lines
  Added in v.1.90


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