/[hyperestraier_wrappers]/trunk/perl/scripts/est-spider
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Revision 18 - (hide annotations)
Sat Sep 10 09:31:53 2005 UTC (17 years, 2 months ago) by dpavlin
File size: 4358 byte(s)
added --node option to use node API
1 dpavlin 5 #!/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    
9 dpavlin 18 # do we use Node API?
10     my $node_url;
11    
12 dpavlin 5 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    
19     my $result = GetOptions(
20     "collection=s" => \$collection,
21     "path=s" => \$path_add,
22     "verbose!" => \$verbose,
23     "debug!" => \$verbose,
24     "exclude=s" => \$exclude,
25 dpavlin 18 "node=s" => \$node_url,
26 dpavlin 5 );
27    
28     my $dir = shift @ARGV || die "usage: $0 [dir]";
29    
30     #my $basedir = $0;
31     #$basedir =~ s,/[^/]+$,/,;
32     #require "$basedir/filter.pm";
33    
34     my $pdftotext = which('pdftotext');
35    
36     my $iconv = new Text::Iconv('iso-8859-2', 'utf-8');
37    
38     select(STDERR); $|=1;
39     select(STDOUT); $|=1;
40    
41     print STDERR "using $pdftotext to convert pdf into html\n" if ($pdftotext && $verbose);
42    
43 dpavlin 18 my $db;
44     if ($node_url) {
45     $db = HyperEstraier::Node->new($node_url);
46     $db->set_auth('admin', 'admin');
47     } else {
48     # open the database
49     $db = HyperEstraier::Database->new();
50     $db->open('/tmp/casket', $HyperEstraier::Database::DBWRITER | $HyperEstraier::Database::DBCREAT);
51 dpavlin 5
52 dpavlin 18 sub signal {
53     my($sig) = @_;
54     print "\nCaught a SIG$sig--syncing database and shutting down\n";
55     $db->sync();
56     exit(0);
57     }
58 dpavlin 5
59 dpavlin 18 $SIG{'INT'} = \&signal;
60     $SIG{'QUIT'} = \&signal;
61 dpavlin 5 }
62    
63     find({ wanted => \&file,
64     follow => 1,
65     no_chdir => 1
66     }, $dir);
67    
68 dpavlin 18 unless ($node_url) {
69     print "--- sync\n";
70     $db->sync();
71 dpavlin 5
72 dpavlin 18 print "--- optimize...\n";
73     $db->optimize(0);
74     }
75 dpavlin 5 exit;
76    
77     sub dump_contents($$$$) {
78     my ($db,$contents,$mtime,$path) = @_;
79    
80     return unless ($contents); # don't die on empty files
81    
82     if ($exclude && $path =~ m/$exclude/i) {
83     print STDERR "skip: $path\n" if ($verbose);
84     return;
85     }
86    
87     use bytes;
88     my $size = length $contents;
89    
90     print STDERR " [$size]" if ($verbose);
91    
92     # create a document object
93     my $doc = HyperEstraier::Document->new;
94    
95     my $title = $1 if ($contents =~ m#<title>(.+)</title>#is);
96    
97     # add attributes to the document object
98     $doc->add_attr('@uri', "file:///$path");
99     $doc->add_attr('@title', $title || $path);
100     $doc->add_attr('@size', $size);
101     $doc->add_attr('@mtime', $mtime);
102    
103     # html2text
104     $contents =~ s#<[^>]+/*>##gs;
105     $contents =~ s#\s\s+# #gs;
106    
107     $doc->add_text($iconv->convert($contents));
108    
109     # print $doc->dump_draft if ($verbose);
110    
111     # register the document object to the database
112 dpavlin 18 if ($node_url) {
113     $db->put_doc($doc);
114     } else {
115     $db->put_doc($doc, $HyperEstraier::Database::PDCLEAN);
116     }
117 dpavlin 5
118     }
119    
120     sub file {
121    
122     my $path = $_;
123     my $contents;
124    
125     return if (-l $path);
126    
127     if ($pdftotext && -f $path && $path =~ m/\.pdf$/i) {
128    
129     print STDERR "$path {converting}" if ($verbose);
130    
131     open(F,"$pdftotext -htmlmeta \"$path\" - |") || die "can't open $pdftotext with '$path'";
132     my $html;
133     while(<F>) {
134     # XXX why pdftotext barks if I try to use this is beyond me.
135     #$contents .= $_;
136    
137     $html .= $_;
138     }
139     close(F);
140    
141     return if (! $html);
142    
143     my $file_only = $path;
144     $file_only =~ s/^.*\/([^\/]+)$/$1/g;
145    
146     my ($pre_html,$pages,$post_html) = ('<html><head><title>$path :: page ##page_nr##</title></head><body><pre>',$html,'</pre></body></html>');
147    
148     ($pre_html,$pages,$post_html) = ($1,$2,$3) if ($html =~ m/^(<html>.+?<pre>)(.+)(<\/pre>.+?)$/si);
149    
150     if ($collection) {
151     $pre_html =~ s/<title>(.+?)<\/title>/<title>$collection :: page ##page_nr##<\/title>/si;
152     } else {
153     $pre_html =~ s/<title>(.+?)<\/title>/<title>$1 :: page ##page_nr##<\/title>/si ||
154     $pre_html =~ s/<title><\/title>/<title>$file_only :: page ##page_nr##<\/title>/si;
155     }
156    
157     my $page_nr = 1;
158     foreach my $page (split(/\f/s,$pages)) {
159     print STDERR " $page_nr" if ($verbose);
160     my $pre_tmp = $pre_html;
161     $pre_tmp =~ s/##page_nr##/$page_nr<\/title>/s;
162     dump_contents($db, $pre_tmp . $page . $post_html,time(), $path) if ($page !~ m/^\s*$/s);
163     $page_nr++;
164     }
165    
166     } else {
167    
168     return if (! -f $path || ! m/\.(html*|php|pl|txt|info|log|text)$/i);
169    
170     # skip index files
171     return if (m/index_[a-z]\.html*/i || m/index_symbol\.html*/i);
172    
173     open(F,"$path") || die "can't open file: $path";
174     print STDERR "$path" if ($verbose);
175     while(<F>) {
176     $contents .= "$_";
177     }
178     $contents .= "\n\n";
179    
180     #$contents = filter($contents,$collection);
181    
182     # add optional components to path
183     $path .= " $path_add" if ($path_add);
184    
185     dump_contents($db, $contents,time(), $path);
186     }
187    
188     print STDERR "\n" if ($verbose);
189     # die "zero size content in '$path'" if (! $contents);
190    
191     }
192    

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