/[hyperestraier_wrappers]/trunk/perl/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/perl/scripts/est-spider

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Revision 27 - (show annotations)
Sat Sep 17 23:07:52 2005 UTC (17 years ago) by dpavlin
File size: 4959 byte(s)
use File::MMagic::XS to perform better checking on input formats
1 #!/usr/bin/perl -w
2 use strict;
3 use File::Find;
4 use Getopt::Long;
5 use File::Which;
6 use HyperEstraier;
7 use Text::Iconv;
8 #use File::MMagic;
9 use File::MMagic::XS qw/:compat/;
10
11 # do we use Node API?
12 my $node_url;
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
21 my $result = GetOptions(
22 "collection=s" => \$collection,
23 "path=s" => \$path_add,
24 "verbose!" => \$verbose,
25 "debug!" => \$verbose,
26 "exclude=s" => \$exclude,
27 "node=s" => \$node_url,
28 );
29
30 my $dir = shift @ARGV || die "usage: $0 [dir]";
31
32 #my $basedir = $0;
33 #$basedir =~ s,/[^/]+$,/,;
34 #require "$basedir/filter.pm";
35
36 my $pdftotext = which('pdftotext');
37
38 #my $mm = new File::MMagic('/usr/share/misc/file/magic');
39 my $mm = new File::MMagic::XS();
40
41 my $iconv = new Text::Iconv('iso-8859-2', 'utf-8');
42
43 select(STDERR); $|=1;
44 select(STDOUT); $|=1;
45
46 print STDERR "using $pdftotext to convert pdf into html\n" if ($pdftotext && $verbose);
47
48 my $db;
49 if ($node_url) {
50 $db = HyperEstraier::Node->new($node_url);
51 $db->set_auth('admin', 'admin');
52 } else {
53 # open the database
54 $db = HyperEstraier::Database->new();
55 $db->open('/tmp/casket', $HyperEstraier::Database::DBWRITER | $HyperEstraier::Database::DBCREAT);
56
57 sub signal {
58 my($sig) = @_;
59 print "\nCaught a SIG$sig--syncing database and shutting down\n";
60 $db->sync();
61 exit(0);
62 }
63
64 $SIG{'INT'} = \&signal;
65 $SIG{'QUIT'} = \&signal;
66 }
67
68 find({ wanted => \&file,
69 follow => 1,
70 follow_skip => 2,
71 no_chdir => 1,
72 }, $dir);
73
74 unless ($node_url) {
75 print "--- sync\n";
76 $db->sync();
77
78 print "--- optimize...\n";
79 $db->optimize(0);
80 }
81 exit;
82
83 sub dump_contents($$$$) {
84 my ($db,$contents,$mtime,$path) = @_;
85
86 return unless ($contents); # don't die on empty files
87
88 if ($exclude && $path =~ m/$exclude/i) {
89 print STDERR "skip: $path\n" if ($verbose);
90 return;
91 }
92
93 use bytes;
94 my $size = length $contents;
95
96 print STDERR " [$size]" if ($verbose);
97
98 # create a document object
99 my $doc = HyperEstraier::Document->new;
100
101 my $title = $1 if ($contents =~ m#<title>(.+)</title>#is);
102
103 # chop long titles to 100 chars
104 $title = substr($title, 0, 100) . '...' if ($title && length($title) > 100);
105 # use path if no title is found
106 $title ||= $path;
107
108 # add attributes to the document object
109 $doc->add_attr('@uri', "file:///$path");
110 $doc->add_attr('@title', $iconv->convert($title));
111 $doc->add_attr('@size', $size);
112 $doc->add_attr('@mtime', $mtime);
113
114 # html2text
115 $contents =~ s#<[^>]+/*>##gs;
116 $contents =~ s#\s\s+# #gs;
117
118 $doc->add_text($iconv->convert($contents));
119
120 # print $doc->dump_draft if ($verbose);
121
122 # register the document object to the database
123 if ($node_url) {
124 $db->put_doc($doc);
125 } else {
126 $db->put_doc($doc, $HyperEstraier::Database::PDCLEAN);
127 }
128
129 }
130
131 sub file {
132
133 my $path = $_;
134 my $contents;
135
136 return if (-l $path || $path =~ m#/.svn#);
137
138 my $type = $mm->checktype_filename($path);
139 $type =~ s/\s+/ /gs;
140
141 print STDERR "# $path $type\n" if ($verbose);
142
143 if ($pdftotext && -f $path && $type =~ m/pdf/i) {
144
145 print STDERR "$path {converting}" if ($verbose);
146
147 open(F,"$pdftotext -htmlmeta \"$path\" - |") || die "can't open $pdftotext with '$path'";
148 my $html;
149 while(<F>) {
150 # XXX why pdftotext barks if I try to use this is beyond me.
151 #$contents .= $_;
152
153 $html .= $_;
154 }
155 close(F);
156
157 return if (! $html);
158
159 my $file_only = $path;
160 $file_only =~ s/^.*\/([^\/]+)$/$1/g;
161
162 my ($pre_html,$pages,$post_html) = ('<html><head><title>$path :: page ##page_nr##</title></head><body><pre>',$html,'</pre></body></html>');
163
164 ($pre_html,$pages,$post_html) = ($1,$2,$3) if ($html =~ m/^(<html>.+?<pre>)(.+)(<\/pre>.+?)$/si);
165
166 if ($collection) {
167 $pre_html =~ s/<title>(.+?)<\/title>/<title>$collection :: page ##page_nr##<\/title>/si;
168 } else {
169 $pre_html =~ s/<title>(.+?)<\/title>/<title>$1 :: page ##page_nr##<\/title>/si ||
170 $pre_html =~ s/<title><\/title>/<title>$file_only :: page ##page_nr##<\/title>/si;
171 }
172
173 my $page_nr = 1;
174 foreach my $page (split(/\f/s,$pages)) {
175 print STDERR " $page_nr" if ($verbose);
176 my $pre_tmp = $pre_html;
177 $pre_tmp =~ s/##page_nr##/$page_nr<\/title>/s;
178 dump_contents($db, $pre_tmp . $page . $post_html,time(), $path) if ($page !~ m/^\s*$/s);
179 $page_nr++;
180 }
181
182 } else {
183
184 # return if (! -f $path || ! m/\.(html*|php|pl|txt|info|log|text)$/i);
185 return if (! -f $path || (
186 $type !~ m/html/ ||
187 ($type !~ m#text/plain# && m/\.(php|pl|txt|info|log|text)$/)
188 ));
189
190 # skip index files
191 return if (m/index_[a-z]\.html*/i || m/index_symbol\.html*/i);
192
193 open(F,"$path") || die "can't open file: $path";
194 print STDERR "$path ($type)" if ($verbose);
195 while(<F>) {
196 $contents .= "$_";
197 }
198 $contents .= "\n\n";
199
200 #$contents = filter($contents,$collection);
201
202 # add optional components to path
203 $path .= " $path_add" if ($path_add);
204
205 dump_contents($db, $contents,time(), $path);
206 }
207
208 print STDERR "\n" if ($verbose);
209 # die "zero size content in '$path'" if (! $contents);
210
211 }
212

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