Annotation of loncom/interface/printout.pl, revision 1.49
1.1 sakharuk 1: #!/usr/bin/perl
1.37 albertel 2: # CGI-script to run LaTeX, dvips, ps2ps, ps2pdf etc.
3: #
1.49 ! albertel 4: # $Id: printout.pl,v 1.48 2004/02/16 22:32:59 albertel Exp $
1.37 albertel 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:
1.39 sakharuk 29: use lib '/home/httpd/lib/perl';
1.44 sakharuk 30: use Time::Local;
1.39 sakharuk 31: use LONCAPA::loncgi();
1.38 sakharuk 32: use File::Path;
1.6 sakharuk 33: use IO::File;
1.7 sakharuk 34: use Image::Magick;
1.47 sakharuk 35: use Apache::lonhtmlcommon;
36:
1.49 ! albertel 37: $|=1;
1.46 albertel 38: my %origENV=%ENV;
1.39 sakharuk 39: if (! &LONCAPA::loncgi::check_cookie_and_load_env()) {
40: print <<END;
41: Content-type: text/html
42:
43: <html>
44: <head><title>Bad Cookie</title></head>
45: <body>
1.40 sakharuk 46: Your cookie information is incorrect.
1.39 sakharuk 47: </body>
48: </html>
49: END
50: return;
51: }
52:
1.14 sakharuk 53: print "Content-type: text/html\n\n";
1.27 www 54: print "<body bgcolor=\"#FFFFFF\">\n";
1.39 sakharuk 55:
1.40 sakharuk 56: my $identifier = $ENV{'QUERY_STRING'};
57: my $texfile = $ENV{'cgi.'.$identifier.'.file'};
58: my $laystyle = $ENV{'cgi.'.$identifier.'.layout'};
59: my $numberofcolumns = $ENV{'cgi.'.$identifier.'.numcol'};
60: my $selectionmade = $ENV{'cgi.'.$identifier.'.selection'};
61: my $tableofcontents = $ENV{'cgi.'.$identifier.'tableofcontents'};
62: my $tableofindex = $ENV{'cgi.'.$identifier.'tableofindex'};
63: my $advans_role = $ENV{'cgi.'.$identifier.'role'};
1.43 sakharuk 64: my $back_ref = $ENV{'cgi.'.$identifier.'backref'};
65: my $number_of_files = $ENV{'cgi.'.$identifier.'numberoffiles'}+1;
1.44 sakharuk 66: my $student_names = $ENV{'cgi.'.$identifier.'studentnames'};
1.47 sakharuk 67: my $backref = $ENV{'cgi.'.$identifier.'backref'};
1.43 sakharuk 68:
1.49 ! albertel 69: my $adv = $ENV{'request.role.adv'};
! 70:
1.44 sakharuk 71: my @names_pack=();
72: if ($student_names=~/_END_/) {
73: @names_pack=split(/_ENDPERSON_/,$student_names);
74: }
1.46 albertel 75: #got what we needed reset ENV in case it is to big for system
76: %ENV=%origENV;
1.39 sakharuk 77:
1.14 sakharuk 78: my $figfile = $texfile;
79: $figfile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.dat/;
80: my $duefile = $texfile;
81: $duefile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.due/;
82: #do we have figures?
83: if (-e $figfile) {
1.42 albertel 84: my %done_conversion;
1.14 sakharuk 85: my $temporary_file=IO::File->new($figfile) || die "Couldn't open file for reading: $!\n";
86: my @content_of_file = <$temporary_file>;
87: close $temporary_file;
88: my $noteps;
1.49 ! albertel 89: my %prog_state;
! 90: if ($adv) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Coverting Images to EPS','Picture Conversion Status',$#content_of_file); }
1.14 sakharuk 91: foreach $not_eps (@content_of_file) {
1.49 ! albertel 92: chomp($not_eps);
1.14 sakharuk 93: if ($not_eps ne '') {
1.44 sakharuk 94: my $status_statement='EPS picture for '.$not_eps;
1.41 sakharuk 95: $not_eps=~s|\/\.\/|\/|g;
1.14 sakharuk 96: my $eps_f = $not_eps;
97: $eps_f =~ s/\.[^.]*$/\.eps/i;
1.41 sakharuk 98: if ($eps_f=~/\/home\/([^\/]+)\/public_html\//) {
99: $eps_f=~s/\/home\/([^\/]+)\/public_html/$1/;
100: $eps_f = '/home/httpd/prtspool/'.$eps_f;
101: } else {
102: $eps_f=~m/\/home\/httpd\/html\/res\/(.+)/;
103: $eps_f = '/home/httpd/prtspool/'.$1;
104: }
1.38 sakharuk 105: my $path=$eps_f;
1.41 sakharuk 106: $path=~s/\/([^\/]+)\.eps$//;
1.38 sakharuk 107: File::Path::mkpath($path,0,0777);
1.14 sakharuk 108: my $image = Image::Magick->new;
109: $not_eps =~ s/^\s+//;
110: $not_eps =~ s/\s+$//;
1.42 albertel 111: if ( exists($done_conversion{$not_eps})) {
112: next;
113: }
1.49 ! albertel 114: if ($adv) {
! 115: my $prettyname=$not_eps;
! 116: $prettyname=~s|/home/([^/]+)/public_html|/priv/$1|;
! 117: $prettyname=~s|/home/httpd/html/|/|;
! 118: &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'Converting to EPS '.$prettyname); }
1.42 albertel 119: $done_conversion{$not_eps}=1;
1.14 sakharuk 120: $status = $image->Read($not_eps);
121: if ($status) {print " $status ";}
122: $image->Set(page => '+100+200');
123: $status = $image->Write($eps_f);
124: if ($status) {print " $status ";}
1.20 sakharuk 125: #check is eps exist in prtspool
126: if(not -e $eps_f) {
127: for (my $i=0;$i<10000;$i++) {
128: if (-e $eps_f.'.'.$i) {
129: rename $eps_f.'.'.$i, $eps_f;
130: last;
131: }
132: }
133: }
1.14 sakharuk 134: }
135: }
1.49 ! albertel 136: if ($adv) { &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); }
1.14 sakharuk 137: }
1.43 sakharuk 138: #print "$texfile\n"; #name of the tex file for debugging only
139: my @texfile=($texfile);
140: if ($number_of_files>1) {
1.49 ! albertel 141: @texfile=();
! 142: for (my $i=1;$i<=$number_of_files;$i++) {
1.43 sakharuk 143: my $new_texfile=$texfile;
1.49 ! albertel 144: $new_texfile=~s/\.tex/_$i\.tex/;
1.43 sakharuk 145: push @texfile,$new_texfile;
146: }
147: }
1.49 ! albertel 148:
1.44 sakharuk 149: my $ind=-1;
1.49 ! albertel 150: my %prog_state;
! 151: if ($adv) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Print Status','Class Print Status',$number_of_files); }
! 152: my $final_statement="<a href=\"$backref\"><b>Return</b</a> to last resource.<br /><br />Generated PDF File for:<br />";
1.43 sakharuk 153: foreach $texfile (@texfile) {
1.49 ! albertel 154: my $status_statement='';
! 155: my $link_text='download PDF';
! 156: $ind++;
! 157: my @stud_info=split(/_END_/,$names_pack[$ind]);
! 158: my @tempo_array=split(/:/,$stud_info[0]);
! 159: my $name;
! 160: if ($tempo_array[3]) {
! 161: $name=$tempo_array[3];
! 162: } else {
! 163: $name=$tempo_array[0].'@'.$tempo_array[1];
! 164: }
! 165: $link_text='<b>'.$name.'</b> ';
! 166: $status_statement.=$name;
! 167: if ($#stud_info>0) {
! 168: @tempo_array=split(/:/,$stud_info[-1]);
1.48 albertel 169: if ($tempo_array[3]) {
170: $name=$tempo_array[3];
171: } else {
172: $name=$tempo_array[0].'@'.$tempo_array[1];
173: }
1.49 ! albertel 174: $link_text.='- <b>'.$name.':</b> ';
! 175: $status_statement.=' - '.$name;
! 176: }
! 177: if ($adv) { &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'Creating PDF for '.$status_statement); }
1.29 sakharuk 178: if (-e $texfile) {
179: $texfile =~ m/^(.*)\/([^\/]+)$/;
180: my $name_file = $2;
181: my $path_file = $1.'/';
182: chdir $path_file;
183: system("latex $name_file 1>/dev/null 2>/dev/null");
1.40 sakharuk 184: if ($tableofcontents eq 'yes') {
185: system("latex $name_file 1>/dev/null 2>/dev/null");
186: } #to create table of contents
1.33 sakharuk 187: my $idxname=$name_file;
188: $idxname=~s/\.tex$/\.idx/;
1.40 sakharuk 189: if ($tableofindex eq 'yes') {
1.33 sakharuk 190: system("makeindex $idxname");
191: system("latex $name_file 1>/dev/null 2>/dev/null");
192: } #to create index
1.29 sakharuk 193: #Do we have a latex error in the log file?
194: my $logfilename = $texfile;
195: $logfilename =~ s/\.tex$/\.log/;
196: my $temporary_file=IO::File->new($logfilename) || die "Couldn't open file for reading: $!\n";
197: my @content_of_file = <$temporary_file>;
198: close $temporary_file;
1.30 sakharuk 199: my $body_log_file = join(' ',@content_of_file);
200: $logfilename =~ s/\.log$/\.html/;
201: $temporary_file = IO::File->new('>'.$logfilename);
202: print $temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_log_file.'</pre></body></html>'."\n";
1.29 sakharuk 203: if ($body_log_file=~m/!\s+Emergency stop/) {
204: #LaTeX failed to parse tex file
205: print "<h2>LaTeX could not successfully parse your tex file.</h2>";
206: print "It probably has errors in it.<br />";
207: my $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART';
208: my $whereitends = rindex $body_log_file,'STAMPOFPASSEDRESOURCEEND';
209: if ($whereitbegins!=-1 and $whereitends!=-1) {
1.44 sakharuk 210: print "With very high probability this error occured in ".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)."<br /><br />";
1.29 sakharuk 211: }
212: print "Here are the error messages in the LaTeX log file</br><br />";
213: my $sygnal = 0;
214: for (my $i=0;$i<=$#content_of_file;$i++) {
215: if ($content_of_file[$i]=~m/^Runaway argument?/ or $content_of_file[$i]=~m/^!/) {
216: $sygnal = 1;
217: }
218: if ($content_of_file[$i]=~m/Here is how much of/) {
219: $sygnal = 0;
220: }
221: if ($sygnal) {
222: print "$content_of_file[$i]<br />";
223: }
1.36 sakharuk 224: }
225: if ($advans_role) {
1.35 sakharuk 226: print "<b><big>The link to ";
227: $logfilename=~s/\/home\/httpd//;
228: print "<a href=\"$logfilename\">Your log file </a></big></b>";
229: print "\n";
230: #link tooriginal LaTeX file (included according Michael Hamlin desire)
231: my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open file for reading: $!\n";
232: my @tex_content_of_file = <$tex_temporary_file>;
233: close $tex_temporary_file;
234: my $body_tex_file = join(' ',@tex_content_of_file);
235: $texfile =~ s/\.tex$/aaaaa\.html/;
236: $tex_temporary_file = IO::File->new('>'.$texfile);
237: print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n";
238: print "<br /><br />";
239: print "<b><big>The link to ";
240: $texfile=~s/\/home\/httpd//;
241: print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>";
242: print "\n";
1.36 sakharuk 243: }
1.35 sakharuk 244:
1.29 sakharuk 245: } elsif ($body_log_file=~m/<inserted text>/) {
246: my $whereitbegins = index $body_log_file,'<inserted text>';
1.31 sakharuk 247: print "You are running LaTeX in the <b>batch mode</b>.";
1.30 sakharuk 248: while ($whereitbegins != -1) {
249: my $tempobegin=$whereitbegins;
250: $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART',$whereitbegins;
251: my $whereitends = index $body_log_file,'STAMPOFPASSEDRESOURCEEND',$whereitbegins;
1.34 sakharuk 252: print "<br />It has found an error in".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)." <br /> and corrected it.\n";
1.30 sakharuk 253: 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";
254: $whereitbegins = index $body_log_file,'<inserted text>',$tempobegin+10;
255: }
1.29 sakharuk 256: $name_file =~ s/\.tex/\.dvi/;
257: my $new_name_file = $name_file;
258: $new_name_file =~ s/\.dvi/\.ps/;
259: my $comma = "dvips -Ppdf -G0 -o $new_name_file";
260: system("$comma $name_file 1>/dev/null 2>/dev/null");
261: if (-e $new_name_file) {
262: print "<h1>PDF output file (see link below)</h1>\n";
263: $new_name_file =~ m/^(.*)\./;
264: my $tempo_file = $1.'temporar.ps';
265: my $name_file = $1.'.pdf';
266: if ($laystyle eq 'album' and $numberofcolumns eq '2') {
267: $comma = "psnup -2 -s1.0 $new_name_file";
268: system("$comma $tempo_file 1>/dev/null 2>/dev/null");
269: system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
270: } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') {
271: $comma = 'pstops -pletter "2:0+1(0.48w,0)"';
272: system("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null");
273: system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
274: } else {
275: system("ps2pdf $new_name_file $name_file 1>/dev/null 2>/dev/null");
276: }
277: my $texlog = $texfile;
278: my $texaux = $texfile;
279: my $texdvi = $texfile;
280: my $texps = $texfile;
281: $texlog =~ s/\.tex/\.log/;
282: $texaux =~ s/\.tex/\.aux/;
283: $texdvi =~ s/\.tex/\.dvi/;
284: $texps =~ s/\.tex/\.ps/;
1.30 sakharuk 285: my @garb = ($texaux,$texdvi,$texps);
1.29 sakharuk 286: # unlink @garb;
287: unlink $duefile;
288: print "<a href=\"/prtspool/$name_file\">Your PDF document</a>";
1.36 sakharuk 289: if ($advans_role) {
290: print "<br /><br />";
291: print "<b><big>The link to ";
292: $logfilename=~s/\/home\/httpd//;
293: print "<a href=\"$logfilename\">Your log file </a></big></b>";
294: print "\n";
295: #link tooriginal LaTeX file (included according Michael Hamlin desire)
296: my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open file for reading: $!\n";
297: my @tex_content_of_file = <$tex_temporary_file>;
298: close $tex_temporary_file;
299: my $body_tex_file = join(' ',@tex_content_of_file);
300: $texfile =~ s/\.tex$/aaaaa\.html/;
301: $tex_temporary_file = IO::File->new('>'.$texfile);
302: print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n";
303: print "<br /><br />";
304: print "<b><big>The link to ";
305: $texfile=~s/\/home\/httpd//;
306: print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>";
307: print "\n";
308: }
1.29 sakharuk 309: }
310: } else {
311: #LaTeX successfully parsed tex file
312: $name_file =~ s/\.tex/\.dvi/;
313: my $new_name_file = $name_file;
314: $new_name_file =~ s/\.dvi/\.ps/;
315: my $comma = "dvips -Ppdf -G0 -o $new_name_file";
316: system("$comma $name_file 1>/dev/null 2>/dev/null");
317: if (-e $new_name_file) {
1.44 sakharuk 318: print "<br />$final_statement ";
1.49 ! albertel 319: $final_statement='';
1.29 sakharuk 320: $new_name_file =~ m/^(.*)\./;
321: my $tempo_file = $1.'temporar.ps';
322: my $name_file = $1.'.pdf';
323: if ($laystyle eq 'album' and $numberofcolumns eq '2') {
324: $comma = "psnup -2 -s1.0 $new_name_file";
325: system("$comma $tempo_file 1>/dev/null 2>/dev/null");
326: system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
327: } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') {
328: $comma = 'pstops -pletter "2:0+1(0.48w,0)"';
329: system("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null");
330: system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
331: } else {
332: system("ps2pdf $new_name_file $name_file 1>/dev/null 2>/dev/null");
333: }
334: my $texlog = $texfile;
335: my $texaux = $texfile;
336: my $texdvi = $texfile;
337: my $texps = $texfile;
338: $texlog =~ s/\.tex/\.log/;
339: $texaux =~ s/\.tex/\.aux/;
340: $texdvi =~ s/\.tex/\.dvi/;
341: $texps =~ s/\.tex/\.ps/;
342: my @garb = ($texlog,$texaux,$texdvi,$texps);
1.22 sakharuk 343: # unlink @garb;
1.29 sakharuk 344: unlink $duefile;
1.49 ! albertel 345: print "<a href=\"/prtspool/$name_file\">$link_text</a>";
1.29 sakharuk 346: print "\n";
347: }
1.14 sakharuk 348: }
1.29 sakharuk 349: } else {
350: print "LaTeX file $texfile was not created successfully";
1.14 sakharuk 351: }
1.43 sakharuk 352: }
1.45 sakharuk 353: print "<br />";
1.44 sakharuk 354: if ($number_of_files>1) {
1.45 sakharuk 355: my $zipfile=$texfile[0];
356: $zipfile=~s/\.tex/\.zip/;
357: my $statement="zip $zipfile";
1.44 sakharuk 358: foreach my $file (@texfile) {
1.45 sakharuk 359: $file=~s/\.tex/.\pdf/;
360: $statement.=' '.$file;
1.44 sakharuk 361: }
1.49 ! albertel 362: print("<pre>Zip Output:\n");
! 363: system($statement);
! 364: print("</pre>");
1.45 sakharuk 365: $zipfile=~s/\/home\/httpd//;
1.49 ! albertel 366: print "<br /> A <a href=\"$zipfile\">ZIP file</a> of all the PDFs.";
1.44 sakharuk 367: }
1.49 ! albertel 368: if ($adv) { &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); }
1.1 sakharuk 369:
370:
371:
372:
1.4 sakharuk 373:
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