Annotation of loncom/interface/printout.pl, revision 1.47
1.1 sakharuk 1: #!/usr/bin/perl
1.37 albertel 2: # CGI-script to run LaTeX, dvips, ps2ps, ps2pdf etc.
3: #
1.47 ! sakharuk 4: # $Id: printout.pl,v 1.46 2004/02/11 00:19:49 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:
1.39 sakharuk 37:
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:
1.44 sakharuk 69: my @names_pack=();
70: if ($student_names=~/_END_/) {
71: @names_pack=split(/_ENDPERSON_/,$student_names);
72: }
1.46 albertel 73: #got what we needed reset ENV in case it is to big for system
74: %ENV=%origENV;
1.39 sakharuk 75:
1.14 sakharuk 76: my $figfile = $texfile;
77: $figfile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.dat/;
78: my $duefile = $texfile;
79: $duefile =~ s/^([^\.]+printout)[^t]+\.tex/$1\.due/;
80: #do we have figures?
81: if (-e $figfile) {
1.42 albertel 82: my %done_conversion;
1.14 sakharuk 83: my $temporary_file=IO::File->new($figfile) || die "Couldn't open file for reading: $!\n";
84: my @content_of_file = <$temporary_file>;
85: close $temporary_file;
86: my $noteps;
1.47 ! sakharuk 87: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Pictures CreationPrint Status','Pictires Status window',$#content_of_file);
1.14 sakharuk 88: foreach $not_eps (@content_of_file) {
89: if ($not_eps ne '') {
1.44 sakharuk 90: my $status_statement='EPS picture for '.$not_eps;
1.47 ! sakharuk 91: &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'last PDF file '.$not_eps);
1.41 sakharuk 92: $not_eps=~s|\/\.\/|\/|g;
1.14 sakharuk 93: my $eps_f = $not_eps;
94: $eps_f =~ s/\.[^.]*$/\.eps/i;
1.41 sakharuk 95: if ($eps_f=~/\/home\/([^\/]+)\/public_html\//) {
96: $eps_f=~s/\/home\/([^\/]+)\/public_html/$1/;
97: $eps_f = '/home/httpd/prtspool/'.$eps_f;
98: } else {
99: $eps_f=~m/\/home\/httpd\/html\/res\/(.+)/;
100: $eps_f = '/home/httpd/prtspool/'.$1;
101: }
1.38 sakharuk 102: my $path=$eps_f;
1.41 sakharuk 103: $path=~s/\/([^\/]+)\.eps$//;
1.38 sakharuk 104: File::Path::mkpath($path,0,0777);
1.14 sakharuk 105: my $image = Image::Magick->new;
106: $not_eps =~ s/^\s+//;
107: $not_eps =~ s/\s+$//;
1.42 albertel 108: if ( exists($done_conversion{$not_eps})) {
109: next;
110: }
111: $done_conversion{$not_eps}=1;
1.14 sakharuk 112: $status = $image->Read($not_eps);
113: if ($status) {print " $status ";}
114: $image->Set(page => '+100+200');
115: $status = $image->Write($eps_f);
116: if ($status) {print " $status ";}
1.20 sakharuk 117: #check is eps exist in prtspool
118: if(not -e $eps_f) {
119: for (my $i=0;$i<10000;$i++) {
120: if (-e $eps_f.'.'.$i) {
121: rename $eps_f.'.'.$i, $eps_f;
122: last;
123: }
124: }
125: }
1.14 sakharuk 126: }
127: }
1.47 ! sakharuk 128: &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state);
1.14 sakharuk 129: }
1.43 sakharuk 130: #print "$texfile\n"; #name of the tex file for debugging only
131: my @texfile=($texfile);
132: if ($number_of_files>1) {
133: for (my $i=1;$i<=$number_of_files-1;$i++) {
134: my $new_texfile=$texfile;
135: $new_texfile=~s/\.tex/_add$i\.tex/;
136: push @texfile,$new_texfile;
137: }
138: }
1.44 sakharuk 139: my $ind=-1;
1.47 ! sakharuk 140: my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin('','Print Status','Class Print Status',$number_of_files);
1.43 sakharuk 141: foreach $texfile (@texfile) {
1.47 ! sakharuk 142: my $final_statement="<a href=\"$backref\"><b>Back to where you started</b></a><br /><br /><b>Link to your PDF document:</b> ";
1.44 sakharuk 143: my $status_statement='PDF document for ';
144: if ($number_of_files>1) {
145: $ind++;
146: my @stud_info=split(/_END_/,$names_pack[$ind]);
147: my @tempo_array=split(/:/,$stud_info[0]);
148: $final_statement='Link to PDF document for <b>'.$tempo_array[3].'</b> ';
149: $status_statement.=$tempo_array[3];
150: if ($#stud_info>0) {
151: @tempo_array=split(/:/,$stud_info[-1]);
152: $final_statement.='- <b>'.$tempo_array[3].':</b> ';
153: $status_statement.=' - '.$tempo_array[3];
154: }
155: }
1.47 ! sakharuk 156: &Apache::lonhtmlcommon::Update_PrgWin('',\%prog_state,'last PDF file '.$status_statement);
1.29 sakharuk 157: if (-e $texfile) {
158: $texfile =~ m/^(.*)\/([^\/]+)$/;
159: my $name_file = $2;
160: my $path_file = $1.'/';
161: chdir $path_file;
162: system("latex $name_file 1>/dev/null 2>/dev/null");
1.40 sakharuk 163: if ($tableofcontents eq 'yes') {
164: system("latex $name_file 1>/dev/null 2>/dev/null");
165: } #to create table of contents
1.33 sakharuk 166: my $idxname=$name_file;
167: $idxname=~s/\.tex$/\.idx/;
1.40 sakharuk 168: if ($tableofindex eq 'yes') {
1.33 sakharuk 169: system("makeindex $idxname");
170: system("latex $name_file 1>/dev/null 2>/dev/null");
171: } #to create index
1.29 sakharuk 172: #Do we have a latex error in the log file?
173: my $logfilename = $texfile;
174: $logfilename =~ s/\.tex$/\.log/;
175: my $temporary_file=IO::File->new($logfilename) || die "Couldn't open file for reading: $!\n";
176: my @content_of_file = <$temporary_file>;
177: close $temporary_file;
1.30 sakharuk 178: my $body_log_file = join(' ',@content_of_file);
179: $logfilename =~ s/\.log$/\.html/;
180: $temporary_file = IO::File->new('>'.$logfilename);
181: print $temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_log_file.'</pre></body></html>'."\n";
1.29 sakharuk 182: if ($body_log_file=~m/!\s+Emergency stop/) {
183: #LaTeX failed to parse tex file
184: print "<h2>LaTeX could not successfully parse your tex file.</h2>";
185: print "It probably has errors in it.<br />";
186: my $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART';
187: my $whereitends = rindex $body_log_file,'STAMPOFPASSEDRESOURCEEND';
188: if ($whereitbegins!=-1 and $whereitends!=-1) {
1.44 sakharuk 189: print "With very high probability this error occured in ".substr($body_log_file,$whereitbegins+26,$whereitends-$whereitbegins-26)."<br /><br />";
1.29 sakharuk 190: }
191: print "Here are the error messages in the LaTeX log file</br><br />";
192: my $sygnal = 0;
193: for (my $i=0;$i<=$#content_of_file;$i++) {
194: if ($content_of_file[$i]=~m/^Runaway argument?/ or $content_of_file[$i]=~m/^!/) {
195: $sygnal = 1;
196: }
197: if ($content_of_file[$i]=~m/Here is how much of/) {
198: $sygnal = 0;
199: }
200: if ($sygnal) {
201: print "$content_of_file[$i]<br />";
202: }
1.36 sakharuk 203: }
204: if ($advans_role) {
1.35 sakharuk 205: print "<b><big>The link to ";
206: $logfilename=~s/\/home\/httpd//;
207: print "<a href=\"$logfilename\">Your log file </a></big></b>";
208: print "\n";
209: #link tooriginal LaTeX file (included according Michael Hamlin desire)
210: my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open file for reading: $!\n";
211: my @tex_content_of_file = <$tex_temporary_file>;
212: close $tex_temporary_file;
213: my $body_tex_file = join(' ',@tex_content_of_file);
214: $texfile =~ s/\.tex$/aaaaa\.html/;
215: $tex_temporary_file = IO::File->new('>'.$texfile);
216: print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n";
217: print "<br /><br />";
218: print "<b><big>The link to ";
219: $texfile=~s/\/home\/httpd//;
220: print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>";
221: print "\n";
1.36 sakharuk 222: }
1.35 sakharuk 223:
1.29 sakharuk 224: } elsif ($body_log_file=~m/<inserted text>/) {
225: my $whereitbegins = index $body_log_file,'<inserted text>';
1.31 sakharuk 226: print "You are running LaTeX in the <b>batch mode</b>.";
1.30 sakharuk 227: while ($whereitbegins != -1) {
228: my $tempobegin=$whereitbegins;
229: $whereitbegins = rindex $body_log_file,'STAMPOFPASSEDRESOURCESTART',$whereitbegins;
230: my $whereitends = index $body_log_file,'STAMPOFPASSEDRESOURCEEND',$whereitbegins;
1.34 sakharuk 231: 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 232: 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";
233: $whereitbegins = index $body_log_file,'<inserted text>',$tempobegin+10;
234: }
1.29 sakharuk 235: $name_file =~ s/\.tex/\.dvi/;
236: my $new_name_file = $name_file;
237: $new_name_file =~ s/\.dvi/\.ps/;
238: my $comma = "dvips -Ppdf -G0 -o $new_name_file";
239: system("$comma $name_file 1>/dev/null 2>/dev/null");
240: if (-e $new_name_file) {
241: print "<h1>PDF output file (see link below)</h1>\n";
242: $new_name_file =~ m/^(.*)\./;
243: my $tempo_file = $1.'temporar.ps';
244: my $name_file = $1.'.pdf';
245: if ($laystyle eq 'album' and $numberofcolumns eq '2') {
246: $comma = "psnup -2 -s1.0 $new_name_file";
247: system("$comma $tempo_file 1>/dev/null 2>/dev/null");
248: system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
249: } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') {
250: $comma = 'pstops -pletter "2:0+1(0.48w,0)"';
251: system("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null");
252: system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
253: } else {
254: system("ps2pdf $new_name_file $name_file 1>/dev/null 2>/dev/null");
255: }
256: my $texlog = $texfile;
257: my $texaux = $texfile;
258: my $texdvi = $texfile;
259: my $texps = $texfile;
260: $texlog =~ s/\.tex/\.log/;
261: $texaux =~ s/\.tex/\.aux/;
262: $texdvi =~ s/\.tex/\.dvi/;
263: $texps =~ s/\.tex/\.ps/;
1.30 sakharuk 264: my @garb = ($texaux,$texdvi,$texps);
1.29 sakharuk 265: # unlink @garb;
266: unlink $duefile;
267: print "<a href=\"/prtspool/$name_file\">Your PDF document</a>";
1.36 sakharuk 268: if ($advans_role) {
269: print "<br /><br />";
270: print "<b><big>The link to ";
271: $logfilename=~s/\/home\/httpd//;
272: print "<a href=\"$logfilename\">Your log file </a></big></b>";
273: print "\n";
274: #link tooriginal LaTeX file (included according Michael Hamlin desire)
275: my $tex_temporary_file=IO::File->new($texfile) || die "Couldn't open file for reading: $!\n";
276: my @tex_content_of_file = <$tex_temporary_file>;
277: close $tex_temporary_file;
278: my $body_tex_file = join(' ',@tex_content_of_file);
279: $texfile =~ s/\.tex$/aaaaa\.html/;
280: $tex_temporary_file = IO::File->new('>'.$texfile);
281: print $tex_temporary_file '<html><head><title>LOGFILE</title></head><body><pre>'.$body_tex_file.'</pre></body></html>'."\n";
282: print "<br /><br />";
283: print "<b><big>The link to ";
284: $texfile=~s/\/home\/httpd//;
285: print "<a href=\"$texfile\">Your original LaTeX file </a></big></b>";
286: print "\n";
287: }
1.29 sakharuk 288: }
289: } else {
290: #LaTeX successfully parsed tex file
291: $name_file =~ s/\.tex/\.dvi/;
292: my $new_name_file = $name_file;
293: $new_name_file =~ s/\.dvi/\.ps/;
294: my $comma = "dvips -Ppdf -G0 -o $new_name_file";
295: system("$comma $name_file 1>/dev/null 2>/dev/null");
296: if (-e $new_name_file) {
1.44 sakharuk 297: print "<br />$final_statement ";
1.29 sakharuk 298: $new_name_file =~ m/^(.*)\./;
299: my $tempo_file = $1.'temporar.ps';
300: my $name_file = $1.'.pdf';
301: if ($laystyle eq 'album' and $numberofcolumns eq '2') {
302: $comma = "psnup -2 -s1.0 $new_name_file";
303: system("$comma $tempo_file 1>/dev/null 2>/dev/null");
304: system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
305: } elsif ($laystyle eq 'book' and $numberofcolumns eq '2') {
306: $comma = 'pstops -pletter "2:0+1(0.48w,0)"';
307: system("$comma $new_name_file $tempo_file 1>/dev/null 2>/dev/null");
308: system("ps2pdf $tempo_file $name_file 1>/dev/null 2>/dev/null");
309: } else {
310: system("ps2pdf $new_name_file $name_file 1>/dev/null 2>/dev/null");
311: }
312: my $texlog = $texfile;
313: my $texaux = $texfile;
314: my $texdvi = $texfile;
315: my $texps = $texfile;
316: $texlog =~ s/\.tex/\.log/;
317: $texaux =~ s/\.tex/\.aux/;
318: $texdvi =~ s/\.tex/\.dvi/;
319: $texps =~ s/\.tex/\.ps/;
320: my @garb = ($texlog,$texaux,$texdvi,$texps);
1.22 sakharuk 321: # unlink @garb;
1.29 sakharuk 322: unlink $duefile;
323: print "<a href=\"/prtspool/$name_file\">Your PDF document</a>";
324: print "\n";
325: }
1.14 sakharuk 326: }
1.29 sakharuk 327: } else {
328: print "LaTeX file $texfile was not created successfully";
1.14 sakharuk 329: }
1.43 sakharuk 330: }
1.45 sakharuk 331: print "<br />";
1.44 sakharuk 332: if ($number_of_files>1) {
1.45 sakharuk 333: my $zipfile=$texfile[0];
334: $zipfile=~s/\.tex/\.zip/;
335: my $statement="zip $zipfile";
1.44 sakharuk 336: foreach my $file (@texfile) {
1.45 sakharuk 337: $file=~s/\.tex/.\pdf/;
338: $statement.=' '.$file;
1.44 sakharuk 339: }
1.45 sakharuk 340: system("$statement");
341: $zipfile=~s/\/home\/httpd//;
342: print "<br /> <a href=\"$zipfile\">Your ZIP file is here</a>";
1.44 sakharuk 343: }
1.47 ! sakharuk 344: &Apache::lonhtmlcommon::Close_PrgWin('',\%prog_state);
1.1 sakharuk 345:
346:
347:
348:
1.4 sakharuk 349:
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