/[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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Revision 89 - (hide annotations)
Wed Jan 25 23:38:57 2006 UTC (18 years, 3 months ago) by dpavlin
File size: 5297 byte(s)
removed dependency on (optional in the first place) native HyperEstraier module
1 dpavlin 64 #!/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    
11     my $collection; # name which will be inserted
12     my $path_add; # add additional info in path
13     my $verbose;
14     my $exclude;
15    
16     #$verbose = 1;
17     my $debug = 0;
18     my $force = 0;
19    
20     my $result = GetOptions(
21     "collection=s" => \$collection,
22     "path=s" => \$path_add,
23     "verbose!" => \$verbose,
24     "debug!" => \$debug,
25     "exclude=s" => \$exclude,
26     "force!" => \$force,
27     );
28    
29 dpavlin 89 my ($node_url,$dir) = @ARGV;
30 dpavlin 64
31 dpavlin 89 die <<"_END_OF_USAGE_" if (! $node_url || ! $dir);
32     usage: $0 http://localhost:1978/node/my_dir /path/to/directory
33    
34     options:
35     --collection="name of collection"
36     --path=/path/to/add/at/end
37     --exclude=regex_to_exclude
38     --verbose
39     --force
40     --debug
41     _END_OF_USAGE_
42    
43 dpavlin 64 if (! -e $dir) {
44     warn "directory $dir doesn't exist, skipping\n";
45     exit 1;
46     }
47    
48     #my $basedir = $0;
49     #$basedir =~ s,/[^/]+$,/,;
50     #require "$basedir/filter.pm";
51    
52     my $pdftotext = which('pdftotext');
53    
54     #my $mm = new File::MMagic('/usr/share/misc/file/magic');
55     my $mm = new File::MMagic::XS();
56    
57     my $iconv = new Text::Iconv('iso-8859-2', 'utf-8');
58    
59     select(STDERR); $|=1;
60     select(STDOUT); $|=1;
61    
62     print STDERR "using $pdftotext to convert pdf into html\n" if ($pdftotext && $verbose);
63    
64 dpavlin 89 my $db = new Search::Estraier::Node;
65     $db->set_url($node_url);
66     $db->set_auth('admin', 'admin');
67 dpavlin 64
68     find({ wanted => \&file,
69     follow => 1,
70     follow_skip => 2,
71     no_chdir => 1,
72     }, $dir);
73    
74    
75     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 dpavlin 89 my $doc = new Search::Estraier::Document;
94 dpavlin 64
95     my $title = $1 if ($contents =~ m#<title>(.+?)</title>#is);
96    
97     # chop long titles to 100 chars
98     $title = substr($title, 0, 100) . '...' if ($title && length($title) > 100);
99     # use path if no title is found
100     $title ||= $path;
101    
102     # add attributes to the document object
103     $doc->add_attr('@uri', "file:///$path");
104     $doc->add_attr('@title', $iconv->convert($title));
105     $doc->add_attr('@size', $size);
106     $doc->add_attr('@mtime', $mtime);
107    
108     # html2text
109     $contents =~ s#<[^>]+/*>##gs;
110     $contents =~ s#\s\s+# #gs;
111    
112     $doc->add_text($iconv->convert($contents));
113    
114     # print $doc->dump_draft if ($verbose);
115    
116     # register the document object to the database
117 dpavlin 89 $db->put_doc($doc);
118 dpavlin 64
119     }
120    
121     sub file {
122    
123     my $path = $_;
124     my $contents;
125    
126     return if (! $force && -l $path || $path =~ m#/.svn# || $path =~ m/(~|.bak)$/);
127    
128     my $mtime = (stat($path))[9] || -1;
129     my $mtime_db = $db->get_doc_attr_by_uri("file:///$path", '@mtime') || -2;
130    
131     if ($mtime == $mtime_db) {
132     print STDERR "# same: $path $mtime\n" if ($verbose);
133     return unless($force);
134     } else {
135     print STDERR "# changed: $path $mtime != $mtime_db\n" if ($debug);
136     }
137    
138     # skip files on which File::MMagic::XS croaks
139     return if ($path =~ m#\.au$#);
140    
141     my $type = $mm->checktype_filename($path);
142     $type =~ s/\s+/ /gs;
143    
144     print STDERR "# $path $type\n" if ($debug);
145    
146     if ($pdftotext && -f $path && $type =~ m/pdf/i) {
147    
148     print STDERR "$path {converting}" if ($verbose);
149    
150     open(F,"$pdftotext -htmlmeta \"$path\" - |") || die "can't open $pdftotext with '$path'";
151     my $html;
152     while(<F>) {
153     # XXX why pdftotext barks if I try to use this is beyond me.
154     #$contents .= $_;
155    
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     } else {
189    
190     # return if (! -f $path || ! m/\.(html*|php|pl|txt|info|log|text)$/i);
191 dpavlin 77 if (-f $path && $type =~ m/html/ ||
192     ($type !~ m#text# && $path =~ m/\.(php|pl|txt|info|log|text)$/io)
193     ) {
194     dump_contents($db, "<title>$path</title> $type", $mtime, $path);
195     }
196 dpavlin 64
197     # skip index files
198     return if (m/index_[a-z]\.html*/i || m/index_symbol\.html*/i);
199    
200     open(F,"$path") || die "can't open file: $path";
201     print STDERR "$path ($type)" if ($verbose);
202     while(<F>) {
203     $contents .= "$_";
204     }
205     $contents .= "\n\n";
206    
207     #$contents = filter($contents,$collection);
208    
209     # add optional components to path
210     $path .= " $path_add" if ($path_add);
211    
212     dump_contents($db, $contents, $mtime, $path);
213     }
214    
215     print STDERR "\n" if ($verbose);
216     # die "zero size content in '$path'" if (! $contents);
217    
218     }
219    

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