/[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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Annotation of /trunk/perl/scripts/est-spider

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Revision 26 - (hide annotations)
Sat Sep 17 21:22:26 2005 UTC (17 years, 2 months ago) by dpavlin
File size: 4378 byte(s)
fix recursive links by adding follow_skip => 2
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 dpavlin 26 follow_skip => 2,
66     no_chdir => 1,
67 dpavlin 5 }, $dir);
68    
69 dpavlin 18 unless ($node_url) {
70     print "--- sync\n";
71     $db->sync();
72 dpavlin 5
73 dpavlin 18 print "--- optimize...\n";
74     $db->optimize(0);
75     }
76 dpavlin 5 exit;
77    
78     sub dump_contents($$$$) {
79     my ($db,$contents,$mtime,$path) = @_;
80    
81     return unless ($contents); # don't die on empty files
82    
83     if ($exclude && $path =~ m/$exclude/i) {
84     print STDERR "skip: $path\n" if ($verbose);
85     return;
86     }
87    
88     use bytes;
89     my $size = length $contents;
90    
91     print STDERR " [$size]" if ($verbose);
92    
93     # create a document object
94     my $doc = HyperEstraier::Document->new;
95    
96     my $title = $1 if ($contents =~ m#<title>(.+)</title>#is);
97    
98     # add attributes to the document object
99     $doc->add_attr('@uri', "file:///$path");
100     $doc->add_attr('@title', $title || $path);
101     $doc->add_attr('@size', $size);
102     $doc->add_attr('@mtime', $mtime);
103    
104     # html2text
105     $contents =~ s#<[^>]+/*>##gs;
106     $contents =~ s#\s\s+# #gs;
107    
108     $doc->add_text($iconv->convert($contents));
109    
110     # print $doc->dump_draft if ($verbose);
111    
112     # register the document object to the database
113 dpavlin 18 if ($node_url) {
114     $db->put_doc($doc);
115     } else {
116     $db->put_doc($doc, $HyperEstraier::Database::PDCLEAN);
117     }
118 dpavlin 5
119     }
120    
121     sub file {
122    
123     my $path = $_;
124     my $contents;
125    
126     return if (-l $path);
127    
128     if ($pdftotext && -f $path && $path =~ m/\.pdf$/i) {
129    
130     print STDERR "$path {converting}" if ($verbose);
131    
132     open(F,"$pdftotext -htmlmeta \"$path\" - |") || die "can't open $pdftotext with '$path'";
133     my $html;
134     while(<F>) {
135     # XXX why pdftotext barks if I try to use this is beyond me.
136     #$contents .= $_;
137    
138     $html .= $_;
139     }
140     close(F);
141    
142     return if (! $html);
143    
144     my $file_only = $path;
145     $file_only =~ s/^.*\/([^\/]+)$/$1/g;
146    
147     my ($pre_html,$pages,$post_html) = ('<html><head><title>$path :: page ##page_nr##</title></head><body><pre>',$html,'</pre></body></html>');
148    
149     ($pre_html,$pages,$post_html) = ($1,$2,$3) if ($html =~ m/^(<html>.+?<pre>)(.+)(<\/pre>.+?)$/si);
150    
151     if ($collection) {
152     $pre_html =~ s/<title>(.+?)<\/title>/<title>$collection :: page ##page_nr##<\/title>/si;
153     } else {
154     $pre_html =~ s/<title>(.+?)<\/title>/<title>$1 :: page ##page_nr##<\/title>/si ||
155     $pre_html =~ s/<title><\/title>/<title>$file_only :: page ##page_nr##<\/title>/si;
156     }
157    
158     my $page_nr = 1;
159     foreach my $page (split(/\f/s,$pages)) {
160     print STDERR " $page_nr" if ($verbose);
161     my $pre_tmp = $pre_html;
162     $pre_tmp =~ s/##page_nr##/$page_nr<\/title>/s;
163     dump_contents($db, $pre_tmp . $page . $post_html,time(), $path) if ($page !~ m/^\s*$/s);
164     $page_nr++;
165     }
166    
167     } else {
168    
169     return if (! -f $path || ! m/\.(html*|php|pl|txt|info|log|text)$/i);
170    
171     # skip index files
172     return if (m/index_[a-z]\.html*/i || m/index_symbol\.html*/i);
173    
174     open(F,"$path") || die "can't open file: $path";
175     print STDERR "$path" if ($verbose);
176     while(<F>) {
177     $contents .= "$_";
178     }
179     $contents .= "\n\n";
180    
181     #$contents = filter($contents,$collection);
182    
183     # add optional components to path
184     $path .= " $path_add" if ($path_add);
185    
186     dump_contents($db, $contents,time(), $path);
187     }
188    
189     print STDERR "\n" if ($verbose);
190     # die "zero size content in '$path'" if (! $contents);
191    
192     }
193    

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