loncom/interface/printout.pl - view

File: [LON-CAPA] / loncom / interface / printout.pl
Revision 1.38: download - view: text, annotated - select for diffs
Thu Oct 16 15:30:43 2003 UTC (20 years, 7 months ago) by sakharuk
Branches: MAIN
CVS tags: HEAD

Bug 2287 (automatic eps generation needs to preserves paths) is partly corrected - it's done for static images. Further neccessary steps are 1) implement the same for randomlabel. problems; 2) implement additional parameter to do previous item for a few students at the same time; 3) make a test for a few more situations.

1: #!/usr/bin/perl 2: # CGI-script to run LaTeX, dvips, ps2ps, ps2pdf etc. 3: # 4: # $Id: printout.pl,v 1.38 2003/10/16 15:30:43 sakharuk Exp $ 5: # 6: # Copyright Michigan State University Board of Trustees 7: # 8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA). 9: # 10: # LON-CAPA is free software; you can redistribute it and/or modify 11: # it under the terms of the GNU General Public License as published by 12: # the Free Software Foundation; either version 2 of the License, or 13: # (at your option) any later version. 14: # 15: # LON-CAPA is distributed in the hope that it will be useful, 16: # but WITHOUT ANY WARRANTY; without even the implied warranty of 17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18: # GNU General Public License for more details. 19: # 20: # You should have received a copy of the GNU General Public License 21: # along with LON-CAPA; if not, write to the Free Software 22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23: # 24: # /home/httpd/html/adm/gpl.txt 25: # 26: # http://www.lon-capa.org/ 27: # 28: 29: use File::Path; 30: use IO::File; 31: use Image::Magick; 32: print "Content-type: text/html\n\n"; 33: print "<body bgcolor=\"#FFFFFF\">\n"; 34: my ($texfile,$laystyle,$numberofcolumns,$selectionmade) = split(/&/,$ENV{'QUERY_STRING'}); 35: my $advans_role=0; 36: if ($selectionmade>=10000) {$selectionmade=$selectionmade/10000; $advans_role=1;} 37: my $figfile = $texfile; 38: $figfile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.dat/; 39: my $duefile = $texfile; 40: $duefile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.due/; 41: #do we have figures? 42: if (-e $figfile) { 43: my $temporary_file=IO::File->new($figfile) || die "Couldn't open file for reading: $!\n"; 44: my @content_of_file = <$temporary_file>; 45: close $temporary_file; 46: my $noteps; 47: foreach $not_eps (@content_of_file) { 48: if ($not_eps ne '') { 49: my $eps_f = $not_eps; 50: $eps_f =~ s/\.[^.]*$/\.eps/i; 51: $_ = $eps_f; 52: m/\/home\/httpd\/html\/res\/(.+)/; 53: $eps_f = '/home/httpd/prtspool/'.$1; 54: my $path=$eps_f; 55: $path=~s/\/([^\/]+)\.eps$//; 56: File::Path::mkpath($path,0,0777); 57: my $image = Image::Magick->new; 58: $not_eps =~ s/^\s+//; 59: $not_eps =~ s/\s+$//; 60: $status = $image->Read($not_eps); 61: if ($status) {print " $status ";} 62: $image->Set(page => '+100+200'); 63: $status = $image->Write($eps_f); 64: if ($status) {print " $status ";} 65: #check is eps exist in prtspool 66: if(not -e $eps_f) { 67: for (my $i=0;$i<10000;$i++) { 68: if (-e $eps_f.'.'.$i) { 69: rename $eps_f.'.'.$i, $eps_f; 70: last; 71: } 72: } 73: } 74: } 75: } 76: } 77: #print "$texfile\n"; #name of the tex file for debugging only 78: if (-e $texfile) { 79: $texfile =~ m/^(.*)\/([^\/]+)$/; 80: my $name_file = $2; 81: my $path_file = $1.'/'; 82: chdir $path_file; 83: system("latex $name_file 1>/dev/null 2>/dev/null"); 84: if ($selectionmade>=10) {system("latex $name_file 1>/dev/null 2>/dev/null");} #to create table of contents 85: my $idxname=$name_file; 86: $idxname=~s/\.tex$/\.idx/; 87: if ($selectionmade>=100) { 88: system("makeindex $idxname"); 89: system("latex $name_file 1>/dev/null 2>/dev/null"); 90: } #to create index 91: #Do we have a latex error in the log file? 92: my $logfilename = $texfile; 93: $logfilename =~ s/\.tex$/\.log/; 94: my $temporary_file=IO::File->new($logfilename) || die "Couldn't open file for reading: $!\n"; 95: my @content_of_file = <$temporary_file>; 96: close $temporary_file; 97: my $body_log_file = join(' ',@content_of_file); 98: $logfilename =~ s/\.log$/\.html/; 99: $temporary_file = IO::File->new('>'.$logfilename); 100: print $temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_log_file.'</pre></body></html>'."\n"; 101: if ($body_log_file=~m/!\s+Emergency stop/) { 102: #LaTeX failed to parse tex file 103: print "<h2>LaTeX could not successfully parse your tex file.</h2>"; 104: print "It probably has errors in it.<br />"; 105: my $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART'; 106: my $whereitends = rindex $body_log_file,'STAMPOFPASSEDRESOURCEEND'; 107: if ($whereitbegins!=-1 and $whereitends!=-1) { 108: print "With very high probability this error occured in ".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)."<br /><br />"; 109: } 110: print "Here are the error messages in the LaTeX log file</br><br />"; 111: my $sygnal = 0; 112: for (my $i=0;$i<=$#content_of_file;$i++) { 113: if ($content_of_file[$i]=~m/^Runaway argument?/ or $content_of_file[$i]=~m/^!/) { 114: $sygnal = 1; 115: } 116: if ($content_of_file[$i]=~m/Here is how much of/) { 117: $sygnal = 0; 118: } 119: if ($sygnal) { 120: print "$content_of_file[$i]<br />"; 121: } 122: } 123: if ($advans_role) { 124: print "<b><big>The link to "; 125: $logfilename=~s/\/home\/httpd//; 126: print "<a href=\"$logfilename\">Your log file </a></big></b>"; 127: print "\n"; 128: #link tooriginal LaTeX file (included according Michael Hamlin desire) 129: my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open file for reading: $!\n"; 130: my @tex_content_of_file = <$tex_temporary_file>; 131: close $tex_temporary_file; 132: my $body_tex_file = join(' ',@tex_content_of_file); 133: $texfile =~ s/\.tex$/aaaaa\.html/; 134: $tex_temporary_file = IO::File->new('>'.$texfile); 135: print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n"; 136: print "<br /><br />"; 137: print "<b><big>The link to "; 138: $texfile=~s/\/home\/httpd//; 139: print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>"; 140: print "\n"; 141: } 142: 143: } elsif ($body_log_file=~m/<inserted text>/) { 144: my $whereitbegins = index $body_log_file,'<inserted text>'; 145: print "You are running LaTeX in the <b>batch mode</b>."; 146: while ($whereitbegins != -1) { 147: my $tempobegin=$whereitbegins; 148: $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART',$whereitbegins; 149: my $whereitends = index $body_log_file,'STAMPOFPASSEDRESOURCEEND',$whereitbegins; 150: print "<br />It has found an error in".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)." <br /> and corrected it.\n"; 151: 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"; 152: $whereitbegins = index $body_log_file,'<inserted text>',$tempobegin+10; 153: } 154: $name_file =~ s/\.tex/\.dvi/; 155: my $new_name_file = $name_file; 156: $new_name_file =~ s/\.dvi/\.ps/; 157: my $comma = "dvips -Ppdf -G0 -o $new_name_file"; 158: system("$comma $name_file 1>/dev/null 2>/dev/null"); 159: if (-e $new_name_file) { 160: print "<h1>PDF output file (see link below)</h1>\n"; 161: $new_name_file =~ m/^(.*)\./; 162: my $tempo_file = $1.'temporar.ps'; 163: my $name_file = $1.'.pdf'; 164: if ($laystyle eq 'album' and $numberofcolumns eq '2') { 165: $comma = "psnup -2 -s1.0 $new_name_file"; 166: system("$comma $tempo_file 1>/dev/null 2>/dev/null"); 167: system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null"); 168: } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') { 169: $comma = 'pstops -pletter "2:0+1(0.48w,0)"'; 170: system("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null"); 171: system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null"); 172: } else { 173: system("ps2pdf $new_name_file $name_file 1>/dev/null 2>/dev/null"); 174: } 175: my $texlog = $texfile; 176: my $texaux = $texfile; 177: my $texdvi = $texfile; 178: my $texps = $texfile; 179: $texlog =~ s/\.tex/\.log/; 180: $texaux =~ s/\.tex/\.aux/; 181: $texdvi =~ s/\.tex/\.dvi/; 182: $texps =~ s/\.tex/\.ps/; 183: my @garb = ($texaux,$texdvi,$texps); 184: # unlink @garb; 185: unlink $duefile; 186: print "<a href=\"/prtspool/$name_file\">Your PDF document</a>"; 187: if ($advans_role) { 188: print "<br /><br />"; 189: print "<b><big>The link to "; 190: $logfilename=~s/\/home\/httpd//; 191: print "<a href=\"$logfilename\">Your log file </a></big></b>"; 192: print "\n"; 193: #link tooriginal LaTeX file (included according Michael Hamlin desire) 194: my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open file for reading: $!\n"; 195: my @tex_content_of_file = <$tex_temporary_file>; 196: close $tex_temporary_file; 197: my $body_tex_file = join(' ',@tex_content_of_file); 198: $texfile =~ s/\.tex$/aaaaa\.html/; 199: $tex_temporary_file = IO::File->new('>'.$texfile); 200: print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n"; 201: print "<br /><br />"; 202: print "<b><big>The link to "; 203: $texfile=~s/\/home\/httpd//; 204: print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>"; 205: print "\n"; 206: } 207: } 208: } else { 209: #LaTeX successfully parsed tex file 210: $name_file =~ s/\.tex/\.dvi/; 211: my $new_name_file = $name_file; 212: $new_name_file =~ s/\.dvi/\.ps/; 213: my $comma = "dvips -Ppdf -G0 -o $new_name_file"; 214: system("$comma $name_file 1>/dev/null 2>/dev/null"); 215: if (-e $new_name_file) { 216: print "<h1>Successfully created PDF output file (see link below)</h1>\n"; 217: $new_name_file =~ m/^(.*)\./; 218: my $tempo_file = $1.'temporar.ps'; 219: my $name_file = $1.'.pdf'; 220: if ($laystyle eq 'album' and $numberofcolumns eq '2') { 221: $comma = "psnup -2 -s1.0 $new_name_file"; 222: system("$comma $tempo_file 1>/dev/null 2>/dev/null"); 223: system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null"); 224: } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') { 225: $comma = 'pstops -pletter "2:0+1(0.48w,0)"'; 226: system("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null"); 227: system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null"); 228: } else { 229: system("ps2pdf $new_name_file $name_file 1>/dev/null 2>/dev/null"); 230: } 231: my $texlog = $texfile; 232: my $texaux = $texfile; 233: my $texdvi = $texfile; 234: my $texps = $texfile; 235: $texlog =~ s/\.tex/\.log/; 236: $texaux =~ s/\.tex/\.aux/; 237: $texdvi =~ s/\.tex/\.dvi/; 238: $texps =~ s/\.tex/\.ps/; 239: my @garb = ($texlog,$texaux,$texdvi,$texps); 240: # unlink @garb; 241: unlink $duefile; 242: print "<a href=\"/prtspool/$name_file\">Your PDF document</a>"; 243: print "\n"; 244: } 245: } 246: } else { 247: print "LaTeX file $texfile was not created successfully"; 248: } 249: 250: 251: 252: 253: 254: 255: 256: