/[Search-Estraier]/trunk/scripts/est-spider
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Contents of /trunk/scripts/est-spider

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Revision 197 - (show annotations)
Fri Jan 5 22:19:01 2007 UTC (17 years, 2 months ago) by dpavlin
File size: 8413 byte(s)
don't exit from sub with next
1 #!/usr/bin/perl -w
2 use strict;
3 use File::Find;
4 use Getopt::Long;
5 use File::Which;
6 use Search::Estraier;
7 use Text::Iconv;
8 #use File::MMagic;
9 use File::MMagic::XS qw/:compat/;
10 use Time::HiRes qw/time/;
11 use HTML::TreeBuilder;
12 use Data::Dump qw/dump/;
13
14 my $collection; # name which will be inserted
15 my $path_add; # add additional info in path
16 my $verbose;
17 my $exclude;
18
19 #$verbose = 1;
20 my $debug = 0;
21 my $force = 0;
22 my $all = 0;
23 my $skip_images = 0;
24
25 my $result = GetOptions(
26 "collection=s" => \$collection,
27 "path=s" => \$path_add,
28 "verbose!" => \$verbose,
29 "debug!" => \$debug,
30 "exclude=s" => \$exclude,
31 "force!" => \$force,
32 "all!" => \$all,
33 "skip-images!" => \$skip_images,
34 );
35
36 my ($node_url,$dir) = @ARGV;
37
38 die <<"_END_OF_USAGE_" if (! $node_url || ! $dir);
39 usage: $0 http://localhost:1978/node/my_dir /path/to/directory
40
41 options:
42 --collection="name of collection"
43 --path=/path/to/add/at/end
44 --exclude=regex_to_exclude
45 --skip-images
46 --verbose
47 --force
48 --debug
49 --all save placeholders for all files
50 _END_OF_USAGE_
51
52 if (! -e $dir) {
53 warn "directory $dir doesn't exist, skipping\n";
54 exit 1;
55 }
56
57 #my $basedir = $0;
58 #$basedir =~ s,/[^/]+$,/,;
59 #require "$basedir/filter.pm";
60
61 my $docs = 0;
62 my $start_t = time();
63
64 my $filter;
65 foreach my $f (qw/pdftotext pstotext/) {
66 my $w = which($f);
67 if ($w) {
68 $filter->{$f} = $w;
69 print STDERR "using $f filter at $w\n" if ($verbose);
70 }
71 }
72
73 #my $mm = new File::MMagic('/usr/share/misc/file/magic');
74 my $mm = new File::MMagic::XS();
75
76 my $iconv = new Text::Iconv('iso-8859-2', 'utf-8');
77
78 select(STDERR); $|=1;
79 select(STDOUT); $|=1;
80
81 my $db = new Search::Estraier::Node(
82 url => $node_url,
83 user => 'admin',
84 passwd => 'admin',
85 croak_on_error => 1,
86 create => 1,
87 );
88
89 #
90 # check if hhc file exists, and if it does, extract information from it
91 #
92
93 my $hhc_file;
94 # try to find hhc
95 find({ wanted => sub {
96 return unless( m!\.hhc$!i );
97 $hhc_file = $_;
98 warn "using $hhc_file for tree structure\n";
99 },
100 follow => 1,
101 follow_skip => 2,
102 no_chdir => 1,
103 }, $dir);
104
105 my $meta;
106
107 if ($hhc_file) {
108
109 sub param {
110 my ($el) = @_;
111
112 my $n;
113 foreach my $p ( $el->find('param') ) {
114 $n->{ $p->attr('name') } = $p->attr('value');
115 }
116
117 if ( ! defined($n->{Local}) ) {
118 warn "### skipped = ",dump($n),$/;
119 return;
120 }
121
122 my $path = $dir . '/' . $n->{Local};
123 $path =~ s!//!/!g;
124 $path = lc($path);
125
126 $n->{path} = $path;
127
128 my $nr = $n->{ImageNumber} || return $n;
129
130 if ($nr == 27) {
131 $meta->{title} = $n->{Name};
132 $meta->{index_path} = $path;
133 } elsif ($nr == 21) {
134 $meta->{toc_path} = $path;
135 } elsif ($nr == 1) {
136 $meta->{foreword_path} = $path;
137 } elsif ($nr == 11) {
138 # nop
139 } else {
140 warn "unknown ImageNumber: $nr\n";
141 }
142
143 return $n;
144 }
145
146 my $tree = HTML::TreeBuilder->new;
147 $tree->parse_file($hhc_file);
148
149 my $prefix = $collection ? ( $collection . ' :: ' ) : '';
150
151 my @prefix;
152 my $depth = 0;
153
154 foreach my $e ( $tree->look_down( sub { $_[0]->tag =~ m/(object)/ } ) ) {
155
156 # printf("%05s %s\n", $e->parent->address(), $e->as_HTML() );
157
158 my $l = ($e->depth() / 2) - 1;
159
160 $prefix[ 0 ] = $meta->{title} || '';
161
162 my $n = param($e);
163 $prefix[ $l ] = $n->{Name};
164
165 next unless ($n->{path});
166
167 my $t = '';
168 my @p;
169 foreach my $i ( 0 .. $l ) {
170 push @p, $prefix[ $i ] if ($prefix[ $i ]);
171 }
172 $t = join(' :: ', @p ) if (@p);
173
174 $meta->{path2title}->{ $n->{path} } = $t;
175
176 }
177
178 $tree->delete;
179
180 }
181
182
183 find({ wanted => \&file,
184 follow => 1,
185 follow_skip => 2,
186 no_chdir => 1,
187 }, $dir);
188
189 my $dur = (time() - $start_t) || 1;
190 printf STDERR "%d documents in %.2fs [%.2f docs/s]\n", $docs, $dur, ($docs / $dur);
191
192 $db->master(
193 action => 'sync'
194 );
195
196
197 exit;
198
199 sub dump_contents {
200 my ($db,$contents,$mtime,$path,$size) = @_;
201
202 return unless (defined($contents)); # don't die on empty files
203
204 if ($exclude && $path =~ m/$exclude/i) {
205 print STDERR "skip: $path\n" if ($verbose);
206 return;
207 }
208
209 use bytes;
210 if (! $size) {
211 $size = length $contents;
212 }
213
214 print STDERR " [$size]" if ($verbose);
215
216 # create a document object
217 my $doc = new Search::Estraier::Document;
218
219 my $title;
220
221 if ( defined($meta->{path2title}->{lc($path)}) ) {
222 $title = $meta->{path2title}->{lc($path)};
223 warn " $title\n";
224 } else {
225
226 $title = $1 if ($contents =~ m#<title>(.+?)</title>#is);
227
228 # chop long titles to 100 chars
229 $title = substr($title, 0, 100) . '...' if ($title && length($title) > 100);
230 # use path if no title is found
231 $title ||= $path;
232
233 }
234
235 # add attributes to the document object
236 $doc->add_attr('@uri', "file:///$path");
237 $doc->add_attr('@title', $iconv->convert($title));
238 $doc->add_attr('@size', $size);
239 $doc->add_attr('@mtime', $mtime);
240
241 if ($contents) {
242 # html2text
243 $contents =~ s#<script.*?</script>##gis;
244 $contents =~ s#<[^>]+/*>##gs;
245 $contents =~ s#\s\s+# #gs;
246
247 $doc->add_text($iconv->convert($contents));
248 }
249 # store path
250 $doc->add_hidden_text($path);
251 # boost title
252 $doc->add_hidden_text($title);
253
254 print $doc->dump_draft if ($debug);
255
256 # register the document object to the database
257 $db->put_doc($doc);
258
259 $docs++;
260
261 }
262
263 sub filter_to_pages {
264 my ($path, $mtime, $command) = @_;
265
266 print STDERR "$path {converting}" if ($verbose);
267
268 open(F,"$command |") || die "can't open $command with '$path': $!";
269 my $html;
270 while(<F>) {
271 $html .= $_;
272 }
273 close(F);
274
275 return if (! $html);
276
277 my $file_only = $path;
278 $file_only =~ s/^.*\/([^\/]+)$/$1/g;
279
280 my ($pre_html,$pages,$post_html) = ('<html><head><title>$path :: page ##page_nr##</title></head><body><pre>',$html,'</pre></body></html>');
281
282 ($pre_html,$pages,$post_html) = ($1,$2,$3) if ($html =~ m/^(<html>.+?<pre>)(.+)(<\/pre>.+?)$/si);
283
284 if ($collection) {
285 $pre_html =~ s/<title>(.+?)<\/title>/<title>$collection :: page ##page_nr##<\/title>/si;
286 } else {
287 $pre_html =~ s/<title>(.+?)<\/title>/<title>$1 :: page ##page_nr##<\/title>/si ||
288 $pre_html =~ s/<title><\/title>/<title>$file_only :: page ##page_nr##<\/title>/si;
289 }
290
291 # save empty entry as a placeholder
292 dump_contents($db, ' ', $mtime, "$path");
293
294 my $page_nr = 1;
295 foreach my $page (split(/\f/s,$pages)) {
296 print STDERR " $page_nr" if ($verbose);
297 my $pre_tmp = $pre_html;
298 $pre_tmp =~ s/##page_nr##/$page_nr<\/title>/s;
299 dump_contents($db, $pre_tmp . $page . $post_html, $mtime, "$path#$page_nr") if ($page !~ m/^\s*$/s);
300 $page_nr++;
301 }
302
303
304
305 }
306
307 sub file {
308
309 my $path = $_;
310 my $contents;
311
312 return if (! $force && -l $path || $path =~ m#/.svn# || $path =~ m/(~|.bak|.gif)$/);
313 return if (! $all && -d $path);
314
315 my $mtime = (stat($path))[9] || -1;
316 my $mtime_db;
317 eval { $db->get_doc_attr_by_uri("file:///$path", '@mtime') } unless ($force);
318 $mtime_db ||= -2;
319
320 if ($mtime == $mtime_db) {
321 print STDERR "# same: $path $mtime\n" if ($verbose);
322 return unless($force);
323 } else {
324 print STDERR "# changed: $path $mtime != $mtime_db\n" if ($debug);
325 }
326
327 # skip files on which File::MMagic::XS croaks
328 if ($path =~ m#\.au$#) {
329 warn "skipped '$path' to prevent File::MMagic::XS bug\n" if ($debug);
330 return;
331 }
332
333 my $type = $mm->checktype_filename($path);
334 $type =~ s/\s+/ /gs;
335
336 print STDERR "# $path $type\n" if ($debug);
337
338 if ($type =~ m/pdf/i) {
339 if ($filter->{pdftotext}) {
340 filter_to_pages($path, $mtime, qq( $filter->{pdftotext} -htmlmeta "$path" - ));
341 } else {
342 warn "skipping '$path', no pdftotext filter\n" if ($verbose);
343 return;
344 }
345 } elsif ($type eq 'application/postscript') {
346 if ($filter->{pstotext}) {
347 filter_to_pages($path, $mtime, qq( $filter->{pstotext} "$path" ));
348 } else {
349 warn "skipping '$path', no pstotext filter\n" if ($verbose);
350 return;
351 }
352 } elsif ($type =~ m!^image/! && $skip_images) {
353 warn "skipping image '$path'\n" if ($verbose);
354 return; # don't index images
355 } else {
356
357 # return if (! -f $path || ! m/\.(html*|php|pl|txt|info|log|text)$/i);
358 if (-f $path &&
359 $type !~ m/html/ &&
360 $path !~ m/\.(php|pl|txt|info|log|text)$/io
361 ) {
362 dump_contents($db, '', $mtime, $path, -s $path) if ($all);
363 return;
364 }
365
366 # skip index files
367 return if ($path =~ m/index_(?:[a-z]+|symbol)\.html*/i);
368
369 open(F,"$path") || die "can't open file: $path";
370 print STDERR "$path ($type)" if ($verbose);
371 while(<F>) {
372 $contents .= "$_";
373 }
374 $contents .= "\n\n";
375
376 #$contents = filter($contents,$collection);
377
378 # add optional components to path
379 $path .= " $path_add" if ($path_add);
380
381 dump_contents($db, $contents, $mtime, $path);
382 }
383
384 print STDERR "\n" if ($verbose);
385 # die "zero size content in '$path'" if (! $contents);
386
387 }
388

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