Annotation of loncom/interface/printout.pl, revision 1.50
1.1 sakharuk 1: #!/usr/bin/perl
1.37 albertel 2: # CGI-script to run LaTeX, dvips, ps2ps, ps2pdf etc.
3: #
1.50 ! albertel 4: # $Id: printout.pl,v 1.49 2004/02/17 00:26:20 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 $number_of_files = $ENV{'cgi.'.$identifier.'numberoffiles'}+1;
1.44 sakharuk 65: my $student_names = $ENV{'cgi.'.$identifier.'studentnames'};
1.47 sakharuk 66: my $backref = $ENV{'cgi.'.$identifier.'backref'};
1.43 sakharuk 67:
1.49 albertel 68: my $adv = $ENV{'request.role.adv'};
69:
1.44 sakharuk 70: my @names_pack=();
71: if ($student_names=~/_END_/) {
72: @names_pack=split(/_ENDPERSON_/,$student_names);
73: }
1.46 albertel 74: #got what we needed reset ENV in case it is to big for system
75: %ENV=%origENV;
1.39 sakharuk 76:
1.14 sakharuk 77: my $figfile = $texfile;
78: $figfile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.dat/;
79: my $duefile = $texfile;
80: $duefile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.due/;
81: #do we have figures?
82: if (-e $figfile) {
1.42 albertel 83: my %done_conversion;
1.14 sakharuk 84: my $temporary_file=IO::File->new($figfile) || die "Couldn't open file for reading: $!\n";
85: my @content_of_file = <$temporary_file>;
86: close $temporary_file;
87: my $noteps;
1.49 albertel 88: my %prog_state;
89: if ($adv) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Coverting Images to EPS','Picture Conversion Status',$#content_of_file); }
1.14 sakharuk 90: foreach $not_eps (@content_of_file) {
1.49 albertel 91: chomp($not_eps);
1.14 sakharuk 92: if ($not_eps ne '') {
1.44 sakharuk 93: my $status_statement='EPS picture for '.$not_eps;
1.41 sakharuk 94: $not_eps=~s|\/\.\/|\/|g;
1.14 sakharuk 95: my $eps_f = $not_eps;
96: $eps_f =~ s/\.[^.]*$/\.eps/i;
1.41 sakharuk 97: if ($eps_f=~/\/home\/([^\/]+)\/public_html\//) {
98: $eps_f=~s/\/home\/([^\/]+)\/public_html/$1/;
99: $eps_f = '/home/httpd/prtspool/'.$eps_f;
100: } else {
101: $eps_f=~m/\/home\/httpd\/html\/res\/(.+)/;
102: $eps_f = '/home/httpd/prtspool/'.$1;
103: }
1.38 sakharuk 104: my $path=$eps_f;
1.41 sakharuk 105: $path=~s/\/([^\/]+)\.eps$//;
1.38 sakharuk 106: File::Path::mkpath($path,0,0777);
1.14 sakharuk 107: my $image = Image::Magick->new;
108: $not_eps =~ s/^\s+//;
109: $not_eps =~ s/\s+$//;
1.42 albertel 110: if ( exists($done_conversion{$not_eps})) {
111: next;
112: }
1.49 albertel 113: if ($adv) {
114: my $prettyname=$not_eps;
115: $prettyname=~s|/home/([^/]+)/public_html|/priv/$1|;
116: $prettyname=~s|/home/httpd/html/|/|;
117: &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'Converting to EPS '.$prettyname); }
1.42 albertel 118: $done_conversion{$not_eps}=1;
1.14 sakharuk 119: $status = $image->Read($not_eps);
120: if ($status) {print " $status ";}
121: $image->Set(page => '+100+200');
122: $status = $image->Write($eps_f);
123: if ($status) {print " $status ";}
1.20 sakharuk 124: #check is eps exist in prtspool
125: if(not -e $eps_f) {
126: for (my $i=0;$i<10000;$i++) {
127: if (-e $eps_f.'.'.$i) {
128: rename $eps_f.'.'.$i, $eps_f;
129: last;
130: }
131: }
132: }
1.14 sakharuk 133: }
134: }
1.49 albertel 135: if ($adv) { &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); }
1.14 sakharuk 136: }
1.43 sakharuk 137: #print "$texfile\n"; #name of the tex file for debugging only
138: my @texfile=($texfile);
139: if ($number_of_files>1) {
1.49 albertel 140: @texfile=();
141: for (my $i=1;$i<=$number_of_files;$i++) {
1.43 sakharuk 142: my $new_texfile=$texfile;
1.49 albertel 143: $new_texfile=~s/\.tex/_$i\.tex/;
1.43 sakharuk 144: push @texfile,$new_texfile;
145: }
146: }
1.49 albertel 147:
1.44 sakharuk 148: my $ind=-1;
1.49 albertel 149: my %prog_state;
150: if ($adv) { %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Print Status','Class Print Status',$number_of_files); }
151: my $final_statement="<a href=\"$backref\"><b>Return</b</a> to last resource.<br /><br />Generated PDF File for:<br />";
1.43 sakharuk 152: foreach $texfile (@texfile) {
1.49 albertel 153: my $status_statement='';
154: my $link_text='download PDF';
155: $ind++;
156: my @stud_info=split(/_END_/,$names_pack[$ind]);
157: my @tempo_array=split(/:/,$stud_info[0]);
158: my $name;
159: if ($tempo_array[3]) {
160: $name=$tempo_array[3];
161: } else {
162: $name=$tempo_array[0].'@'.$tempo_array[1];
163: }
164: $link_text='<b>'.$name.'</b> ';
165: $status_statement.=$name;
166: if ($#stud_info>0) {
167: @tempo_array=split(/:/,$stud_info[-1]);
1.48 albertel 168: if ($tempo_array[3]) {
169: $name=$tempo_array[3];
170: } else {
171: $name=$tempo_array[0].'@'.$tempo_array[1];
172: }
1.49 albertel 173: $link_text.='- <b>'.$name.':</b> ';
174: $status_statement.=' - '.$name;
175: }
176: if ($adv) { &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'Creating PDF for '.$status_statement); }
1.29 sakharuk 177: if (-e $texfile) {
178: $texfile =~ m/^(.*)\/([^\/]+)$/;
179: my $name_file = $2;
180: my $path_file = $1.'/';
181: chdir $path_file;
182: system("latex $name_file 1>/dev/null 2>/dev/null");
1.40 sakharuk 183: if ($tableofcontents eq 'yes') {
184: system("latex $name_file 1>/dev/null 2>/dev/null");
185: } #to create table of contents
1.33 sakharuk 186: my $idxname=$name_file;
187: $idxname=~s/\.tex$/\.idx/;
1.40 sakharuk 188: if ($tableofindex eq 'yes') {
1.33 sakharuk 189: system("makeindex $idxname");
190: system("latex $name_file 1>/dev/null 2>/dev/null");
191: } #to create index
1.29 sakharuk 192: #Do we have a latex error in the log file?
193: my $logfilename = $texfile;
194: $logfilename =~ s/\.tex$/\.log/;
195: my $temporary_file=IO::File->new($logfilename) || die "Couldn't open file for reading: $!\n";
196: my @content_of_file = <$temporary_file>;
197: close $temporary_file;
1.30 sakharuk 198: my $body_log_file = join(' ',@content_of_file);
199: $logfilename =~ s/\.log$/\.html/;
200: $temporary_file = IO::File->new('>'.$logfilename);
201: print $temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_log_file.'</pre></body></html>'."\n";
1.29 sakharuk 202: if ($body_log_file=~m/!\s+Emergency stop/) {
203: #LaTeX failed to parse tex file
204: print "<h2>LaTeX could not successfully parse your tex file.</h2>";
205: print "It probably has errors in it.<br />";
206: my $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART';
207: my $whereitends = rindex $body_log_file,'STAMPOFPASSEDRESOURCEEND';
208: if ($whereitbegins!=-1 and $whereitends!=-1) {
1.44 sakharuk 209: print "With very high probability this error occured in ".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)."<br /><br />";
1.29 sakharuk 210: }
211: print "Here are the error messages in the LaTeX log file</br><br />";
212: my $sygnal = 0;
213: for (my $i=0;$i<=$#content_of_file;$i++) {
214: if ($content_of_file[$i]=~m/^Runaway argument?/ or $content_of_file[$i]=~m/^!/) {
215: $sygnal = 1;
216: }
217: if ($content_of_file[$i]=~m/Here is how much of/) {
218: $sygnal = 0;
219: }
220: if ($sygnal) {
221: print "$content_of_file[$i]<br />";
222: }
1.36 sakharuk 223: }
224: if ($advans_role) {
1.35 sakharuk 225: print "<b><big>The link to ";
226: $logfilename=~s/\/home\/httpd//;
227: print "<a href=\"$logfilename\">Your log file </a></big></b>";
228: print "\n";
229: #link tooriginal LaTeX file (included according Michael Hamlin desire)
230: my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open file for reading: $!\n";
231: my @tex_content_of_file = <$tex_temporary_file>;
232: close $tex_temporary_file;
233: my $body_tex_file = join(' ',@tex_content_of_file);
234: $texfile =~ s/\.tex$/aaaaa\.html/;
235: $tex_temporary_file = IO::File->new('>'.$texfile);
236: print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n";
237: print "<br /><br />";
238: print "<b><big>The link to ";
239: $texfile=~s/\/home\/httpd//;
240: print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>";
241: print "\n";
1.36 sakharuk 242: }
1.35 sakharuk 243:
1.29 sakharuk 244: } elsif ($body_log_file=~m/<inserted text>/) {
245: my $whereitbegins = index $body_log_file,'<inserted text>';
1.31 sakharuk 246: print "You are running LaTeX in the <b>batch mode</b>.";
1.30 sakharuk 247: while ($whereitbegins != -1) {
248: my $tempobegin=$whereitbegins;
249: $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART',$whereitbegins;
250: my $whereitends = index $body_log_file,'STAMPOFPASSEDRESOURCEEND',$whereitbegins;
1.34 sakharuk 251: 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 252: 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";
253: $whereitbegins = index $body_log_file,'<inserted text>',$tempobegin+10;
254: }
1.29 sakharuk 255: $name_file =~ s/\.tex/\.dvi/;
256: my $new_name_file = $name_file;
257: $new_name_file =~ s/\.dvi/\.ps/;
258: my $comma = "dvips -Ppdf -G0 -o $new_name_file";
259: system("$comma $name_file 1>/dev/null 2>/dev/null");
260: if (-e $new_name_file) {
261: print "<h1>PDF output file (see link below)</h1>\n";
262: $new_name_file =~ m/^(.*)\./;
263: my $tempo_file = $1.'temporar.ps';
264: my $name_file = $1.'.pdf';
265: if ($laystyle eq 'album' and $numberofcolumns eq '2') {
266: $comma = "psnup -2 -s1.0 $new_name_file";
267: system("$comma $tempo_file 1>/dev/null 2>/dev/null");
268: system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
269: } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') {
270: $comma = 'pstops -pletter "2:0+1(0.48w,0)"';
271: system("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null");
272: system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
273: } else {
274: system("ps2pdf $new_name_file $name_file 1>/dev/null 2>/dev/null");
275: }
276: my $texlog = $texfile;
277: my $texaux = $texfile;
278: my $texdvi = $texfile;
279: my $texps = $texfile;
280: $texlog =~ s/\.tex/\.log/;
281: $texaux =~ s/\.tex/\.aux/;
282: $texdvi =~ s/\.tex/\.dvi/;
283: $texps =~ s/\.tex/\.ps/;
1.30 sakharuk 284: my @garb = ($texaux,$texdvi,$texps);
1.29 sakharuk 285: # unlink @garb;
286: unlink $duefile;
287: print "<a href=\"/prtspool/$name_file\">Your PDF document</a>";
1.36 sakharuk 288: if ($advans_role) {
289: print "<br /><br />";
290: print "<b><big>The link to ";
291: $logfilename=~s/\/home\/httpd//;
292: print "<a href=\"$logfilename\">Your log file </a></big></b>";
293: print "\n";
294: #link tooriginal LaTeX file (included according Michael Hamlin desire)
295: my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open file for reading: $!\n";
296: my @tex_content_of_file = <$tex_temporary_file>;
297: close $tex_temporary_file;
298: my $body_tex_file = join(' ',@tex_content_of_file);
299: $texfile =~ s/\.tex$/aaaaa\.html/;
300: $tex_temporary_file = IO::File->new('>'.$texfile);
301: print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n";
302: print "<br /><br />";
303: print "<b><big>The link to ";
304: $texfile=~s/\/home\/httpd//;
305: print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>";
306: print "\n";
307: }
1.29 sakharuk 308: }
309: } else {
310: #LaTeX successfully parsed tex file
311: $name_file =~ s/\.tex/\.dvi/;
312: my $new_name_file = $name_file;
313: $new_name_file =~ s/\.dvi/\.ps/;
314: my $comma = "dvips -Ppdf -G0 -o $new_name_file";
315: system("$comma $name_file 1>/dev/null 2>/dev/null");
316: if (-e $new_name_file) {
1.44 sakharuk 317: print "<br />$final_statement ";
1.49 albertel 318: $final_statement='';
1.29 sakharuk 319: $new_name_file =~ m/^(.*)\./;
320: my $tempo_file = $1.'temporar.ps';
321: my $name_file = $1.'.pdf';
322: if ($laystyle eq 'album' and $numberofcolumns eq '2') {
323: $comma = "psnup -2 -s1.0 $new_name_file";
324: system("$comma $tempo_file 1>/dev/null 2>/dev/null");
325: system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
326: } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') {
327: $comma = 'pstops -pletter "2:0+1(0.48w,0)"';
328: system("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null");
329: system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
330: } else {
331: system("ps2pdf $new_name_file $name_file 1>/dev/null 2>/dev/null");
332: }
333: my $texlog = $texfile;
334: my $texaux = $texfile;
335: my $texdvi = $texfile;
336: my $texps = $texfile;
337: $texlog =~ s/\.tex/\.log/;
338: $texaux =~ s/\.tex/\.aux/;
339: $texdvi =~ s/\.tex/\.dvi/;
340: $texps =~ s/\.tex/\.ps/;
341: my @garb = ($texlog,$texaux,$texdvi,$texps);
1.22 sakharuk 342: # unlink @garb;
1.29 sakharuk 343: unlink $duefile;
1.49 albertel 344: print "<a href=\"/prtspool/$name_file\">$link_text</a>";
1.29 sakharuk 345: print "\n";
346: }
1.14 sakharuk 347: }
1.29 sakharuk 348: } else {
349: print "LaTeX file $texfile was not created successfully";
1.14 sakharuk 350: }
1.43 sakharuk 351: }
1.45 sakharuk 352: print "<br />";
1.44 sakharuk 353: if ($number_of_files>1) {
1.45 sakharuk 354: my $zipfile=$texfile[0];
355: $zipfile=~s/\.tex/\.zip/;
356: my $statement="zip $zipfile";
1.44 sakharuk 357: foreach my $file (@texfile) {
1.45 sakharuk 358: $file=~s/\.tex/.\pdf/;
359: $statement.=' '.$file;
1.44 sakharuk 360: }
1.49 albertel 361: print("<pre>Zip Output:\n");
362: system($statement);
363: print("</pre>");
1.45 sakharuk 364: $zipfile=~s/\/home\/httpd//;
1.49 albertel 365: print "<br /> A <a href=\"$zipfile\">ZIP file</a> of all the PDFs.";
1.44 sakharuk 366: }
1.49 albertel 367: if ($adv) { &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state); }
1.1 sakharuk 368:
369:
370:
371:
1.4 sakharuk 372:
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