/[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 120 - (show annotations)
Mon Apr 17 10:34:14 2006 UTC (17 years, 11 months ago) by dpavlin
File size: 6223 byte(s)
dump_draft is now triggered by --debug not --verbose
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
12 my $collection; # name which will be inserted
13 my $path_add; # add additional info in path
14 my $verbose;
15 my $exclude;
16
17 #$verbose = 1;
18 my $debug = 0;
19 my $force = 0;
20 my $all = 0;
21
22 my $result = GetOptions(
23 "collection=s" => \$collection,
24 "path=s" => \$path_add,
25 "verbose!" => \$verbose,
26 "debug!" => \$debug,
27 "exclude=s" => \$exclude,
28 "force!" => \$force,
29 "all!" => \$all,
30 );
31
32 my ($node_url,$dir) = @ARGV;
33
34 die <<"_END_OF_USAGE_" if (! $node_url || ! $dir);
35 usage: $0 http://localhost:1978/node/my_dir /path/to/directory
36
37 options:
38 --collection="name of collection"
39 --path=/path/to/add/at/end
40 --exclude=regex_to_exclude
41 --verbose
42 --force
43 --debug
44 --all save placeholders for all files
45 _END_OF_USAGE_
46
47 if (! -e $dir) {
48 warn "directory $dir doesn't exist, skipping\n";
49 exit 1;
50 }
51
52 #my $basedir = $0;
53 #$basedir =~ s,/[^/]+$,/,;
54 #require "$basedir/filter.pm";
55
56 my $docs = 0;
57 my $start_t = time();
58
59 my $filter;
60 foreach my $f (qw/pdftotext pstotext/) {
61 my $w = which($f);
62 if ($f) {
63 $filter->{$f} = $w;
64 print STDERR "using $f filter at $w\n" if ($verbose);
65 }
66 }
67
68 #my $mm = new File::MMagic('/usr/share/misc/file/magic');
69 my $mm = new File::MMagic::XS();
70
71 my $iconv = new Text::Iconv('iso-8859-2', 'utf-8');
72
73 select(STDERR); $|=1;
74 select(STDOUT); $|=1;
75
76 my $db = new Search::Estraier::Node(
77 url => $node_url,
78 user => 'admin',
79 passwd => 'admin',
80 croak_on_error => 1,
81 );
82
83 find({ wanted => \&file,
84 follow => 1,
85 follow_skip => 2,
86 no_chdir => 1,
87 }, $dir);
88
89 my $dur = (time() - $start_t) || 1;
90 printf STDERR "%d documents in %.2fs [%.2f docs/s]\n", $docs, $dur, ($docs / $dur);
91
92 exit;
93
94 sub dump_contents {
95 my ($db,$contents,$mtime,$path,$size) = @_;
96
97 return unless (defined($contents)); # don't die on empty files
98
99 if ($exclude && $path =~ m/$exclude/i) {
100 print STDERR "skip: $path\n" if ($verbose);
101 return;
102 }
103
104 use bytes;
105 if (! $size) {
106 $size = length $contents;
107 }
108
109 print STDERR " [$size]" if ($verbose);
110
111 # create a document object
112 my $doc = new Search::Estraier::Document;
113
114 my $title = $1 if ($contents =~ m#<title>(.+?)</title>#is);
115
116 # chop long titles to 100 chars
117 $title = substr($title, 0, 100) . '...' if ($title && length($title) > 100);
118 # use path if no title is found
119 $title ||= $path;
120
121 # add attributes to the document object
122 $doc->add_attr('@uri', "file:///$path");
123 $doc->add_attr('@title', $iconv->convert($title));
124 $doc->add_attr('@size', $size);
125 $doc->add_attr('@mtime', $mtime);
126
127 if ($contents) {
128 # html2text
129 $contents =~ s#<[^>]+/*>##gs;
130 $contents =~ s#\s\s+# #gs;
131
132 $doc->add_text($iconv->convert($contents));
133 }
134 # store path
135 $doc->add_hidden_text($path);
136 # boost title
137 $doc->add_hidden_text($title);
138
139 print $doc->dump_draft if ($debug);
140
141 # register the document object to the database
142 $db->put_doc($doc);
143
144 $docs++;
145
146 }
147
148 sub filter_to_pages {
149 my ($path, $mtime, $command) = @_;
150
151 print STDERR "$path {converting}" if ($verbose);
152
153 open(F,"$command |") || die "can't open $command with '$path': $!";
154 my $html;
155 while(<F>) {
156 $html .= $_;
157 }
158 close(F);
159
160 return if (! $html);
161
162 my $file_only = $path;
163 $file_only =~ s/^.*\/([^\/]+)$/$1/g;
164
165 my ($pre_html,$pages,$post_html) = ('<html><head><title>$path :: page ##page_nr##</title></head><body><pre>',$html,'</pre></body></html>');
166
167 ($pre_html,$pages,$post_html) = ($1,$2,$3) if ($html =~ m/^(<html>.+?<pre>)(.+)(<\/pre>.+?)$/si);
168
169 if ($collection) {
170 $pre_html =~ s/<title>(.+?)<\/title>/<title>$collection :: page ##page_nr##<\/title>/si;
171 } else {
172 $pre_html =~ s/<title>(.+?)<\/title>/<title>$1 :: page ##page_nr##<\/title>/si ||
173 $pre_html =~ s/<title><\/title>/<title>$file_only :: page ##page_nr##<\/title>/si;
174 }
175
176 # save empty entry as a placeholder
177 dump_contents($db, ' ', $mtime, "$path");
178
179 my $page_nr = 1;
180 foreach my $page (split(/\f/s,$pages)) {
181 print STDERR " $page_nr" if ($verbose);
182 my $pre_tmp = $pre_html;
183 $pre_tmp =~ s/##page_nr##/$page_nr<\/title>/s;
184 dump_contents($db, $pre_tmp . $page . $post_html, $mtime, "$path#$page_nr") if ($page !~ m/^\s*$/s);
185 $page_nr++;
186 }
187
188
189
190 }
191
192 sub file {
193
194 my $path = $_;
195 my $contents;
196
197 return if (! $force && -l $path || $path =~ m#/.svn# || $path =~ m/(~|.bak|.gif)$/);
198
199 my $mtime = (stat($path))[9] || -1;
200 my $mtime_db = eval { $db->get_doc_attr_by_uri("file:///$path", '@mtime') };
201 $mtime_db ||= -2;
202
203 if ($mtime == $mtime_db) {
204 print STDERR "# same: $path $mtime\n" if ($verbose);
205 return unless($force);
206 } else {
207 print STDERR "# changed: $path $mtime != $mtime_db\n" if ($debug);
208 }
209
210 # skip files on which File::MMagic::XS croaks
211 if ($path =~ m#\.au$#) {
212 warn "skipped '$path' to prevent File::MMagic::XS bug\n" if ($debug);
213 return;
214 }
215
216 my $type = $mm->checktype_filename($path);
217 $type =~ s/\s+/ /gs;
218
219 print STDERR "# $path $type\n" if ($debug);
220
221 if ($type =~ m/pdf/i) {
222 if ($filter->{pdftotext}) {
223 filter_to_pages($path, $mtime, qq( $filter->{pdftotext} -htmlmeta "$path" - ));
224 } else {
225 warn "skipping '$path', no pdftotext filter\n" if ($verbose);
226 return;
227 }
228 } elsif ($type eq 'application/postscript') {
229 if ($filter->{pstotext}) {
230 filter_to_pages($path, $mtime, qq( $filter->{pstotext} "$path" ));
231 } else {
232 warn "skipping '$path', no pstotext filter\n" if ($verbose);
233 return;
234 }
235 } else {
236
237 # return if (! -f $path || ! m/\.(html*|php|pl|txt|info|log|text)$/i);
238 if (-f $path &&
239 $type !~ m/html/ &&
240 $path !~ m/\.(php|pl|txt|info|log|text)$/io
241 ) {
242 dump_contents($db, '', $mtime, $path, -s $path) if ($all);
243 return;
244 }
245
246 # skip index files
247 return if ($path =~ m/index_(?:[a-z]+|symbol)\.html*/i);
248
249 open(F,"$path") || die "can't open file: $path";
250 print STDERR "$path ($type)" if ($verbose);
251 while(<F>) {
252 $contents .= "$_";
253 }
254 $contents .= "\n\n";
255
256 #$contents = filter($contents,$collection);
257
258 # add optional components to path
259 $path .= " $path_add" if ($path_add);
260
261 dump_contents($db, $contents, $mtime, $path);
262 }
263
264 print STDERR "\n" if ($verbose);
265 # die "zero size content in '$path'" if (! $contents);
266
267 }
268

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