Annotation of nsdl/nsdlloncapaorg/harvester.pl, revision 1.5
1.1 www 1: #!/usr/local/bin/perl
2:
3: #
4: # lon-capa.pl
5: # Parse the LON-CAPA metadata
6: #
7: # Andy Dong <adong@smete.org> 10/23/2002
8: #
9: # Contact Gerd Kortemeyer (korte@lite.msu.edu)
10:
11: use strict;
12: use LWP::UserAgent;
13: use Getopt::Std;
1.2 www 14: use Digest::MD5 qw(md5_hex);
1.4 www 15: use IO::File;
16:
17: my $basepath='/home/httpd/cgi-bin/OAI-XMLFile/XMLFile/nsdlexport/data';
1.1 www 18:
19: my $pub_month;
20: my $pub_year;
21: my @loncapa;
22:
23: # HTTP requests
24:
25: my $content;
26: my $content_regex = 'File Not Found';
27:
28: # Configuration
29:
30: my $debug = 0;
1.5 ! www 31:
1.1 www 32: # The list of servers is from the LON-CAPA CVS repository in /loncapa/loncom/production_hosts.tab
1.5 ! www 33: my @servers = (
! 34: 'newscience.westshore.cc.mi.us',
! 35: 's10.lite.msu.edu',
! 36: 's12.lite.msu.edu',
! 37: 'lon-capa.chem.sunysb.edu',
! 38: 'schubert.tmcc.edu',
! 39: 'dalton.chem.sfu.ca',
! 40: 'capa2.phy.ohiou.edu',
! 41: 'pollux.physics.fsu.edu',
! 42: 'loncapa.physics.sc.edu',
! 43: 'loncapa.math.ucf.edu',
! 44: 'zappa.ags.udel.edu',
! 45: 'loncapa.gwu.edu',
! 46: 'neptune.physics.ndsu.nodak.edu',
! 47: 'capa1.uwsp.edu');
1.1 www 48:
1.5 ! www 49: foreach (@servers) {
! 50: my $url='http://'.$_.'/cgi-bin/metadata_harvest.pl';
1.1 www 51: # End Configuration
52:
1.2 www 53: my $ua = new LWP::UserAgent;
54: $ua->timeout(600);
1.1 www 55:
1.2 www 56: my $request = new HTTP::Request GET => $url;
57: $request->authorization_basic('reaper', 'cat4u');
1.1 www 58:
1.2 www 59: my $response = $ua->request( $request );
1.1 www 60:
1.2 www 61: if ( $response->is_success ) {
1.5 ! www 62: print 'SUCCESS: ' . $response->message.' for '.$url."\n\n";
1.2 www 63: $content = $response->content;
1.1 www 64: # Delete all blank lines
1.2 www 65: $content =~ s/(?<!.)\n//g;
1.1 www 66: # Replace all ^M with spaces
1.2 www 67: $content =~ s/
/\s/g;
1.1 www 68: # Push the content into an array
1.2 www 69: @loncapa = split /\n/, $content;
70: } else {
1.5 ! www 71: print 'LON-CAPA request failed: ' . $response->message.' for '.$url."\n\n";
! 72: next;
1.2 www 73: }
1.1 www 74:
1.2 www 75: #@loncapa=undef;
76: #open (LON_FILE, 'metadata_harvest.txt') || die;
1.1 www 77:
1.2 www 78: #while (<LON_FILE>) {
79: # chomp;
80: # push(@loncapa,$_);
81: #}
1.1 www 82:
83: my %records = ();;
1.3 www 84:
1.1 www 85: foreach my $metadata (@loncapa) {
86: chomp $metadata;
1.2 www 87: $metadata=~s/[^\w\d\s\.\;\:\,\|\/]/ /gs;
1.1 www 88: my @tkline = split('\|', $metadata);
89: my $title = $tkline[0];
90: next if ( $title eq '' );
91: my $author = $tkline[1];
92: next if ( $author eq '' );
93: my @authorname = split(' ', $author);
94: my $author_fname = $authorname[0];
95: my $author_lname = $authorname[1];
96: # We have to make an exception for Multimedia Physics which is an organization not a person
97: my $object_type;
98: if ( $author_lname eq 'Physics' ) {
99: $object_type = 'organization';
100: } else {
101: $object_type = 'person';
102: }
103: my $subject = $tkline[2];
104: next if ( ($subject eq 'Sample') || ($subject eq 'Something') );
1.2 www 105: my $resourceurl = 'http://nsdl.lon-capa.org' . $tkline[3];
106: my $baseid=$tkline[3];
1.4 www 107: my ($adom,$auname)=($baseid=~/^\/res\/(\w+)\/(\w+)\//);
1.2 www 108: $baseid=~s/\W/\_/g;
109: $baseid=~s/^\_res\_//g;
1.4 www 110: my $fileid=md5_hex($baseid);
1.2 www 111:
1.1 www 112: next if ( $resourceurl =~ /(.*)\/demo\/(.*)/ );
113: my $keywords = $tkline[4];
114: my $version = $tkline[5];
115: my $notes = $tkline[6];
116: my $abstract = $tkline[7];
117: next if ($abstract eq '');
118: my $type = $tkline[8];
119: my $learning_resource_type;
120: if ( $type eq 'problem' ) {
121: $learning_resource_type = 114;
122: } elsif ( $type eq 'exam' ) {
123: $learning_resource_type = 114;
124: } elsif ( $type eq 'quiz' ) {
125: $learning_resource_type = 114;
126: } elsif ( $type eq 'assess' ) {
127: $learning_resource_type = 114;
128: } elsif ( $type eq 'survey' ) {
129: $learning_resource_type = 114;
130: } elsif ( $type eq 'form' ) {
131: $learning_resource_type = 114;
132: } elsif ( $type eq 'library' ) {
133: $learning_resource_type = 107;
134: } elsif ( $type eq 'page' ) {
135: $learning_resource_type = 104;
136: } elsif ( $type eq 'sequence' ) {
137: $learning_resource_type = 104;
138: } elsif ( $type eq 'spreadsheet' ) {
139: $learning_resource_type = 114;
140: } else {
141: $learning_resource_type = 0;
142: }
143:
144: my $media_format;
145: if ( ($type eq 'htm') || ($type eq 'gif') || ($type eq 'mov') || ($type eq 'xml') ) {
146: $media_format = 70;
147: } else {
148: $media_format = 0;
149: }
150:
151: my $language = $tkline[9]; # Look only for seniso
152: next if ( $language ne 'seniso');
153: my $primary_language='en-US';
154: my $creation_date = $tkline[10];
1.3 www 155: my ($pub_year,$pub_month,$pub_day) = ( $creation_date =~ /^(\d{4}) (\d{2}) (\d{2})\s(\d{2}):(\d{2}):(\d{2})$/ );
1.1 www 156: my $revision_date = $tkline[11];
1.3 www 157: my ($rev_year,$rev_month,$rev_day) = ( $revision_date =~ /^(\d{4}) (\d{2}) (\d{2})\s(\d{2}):(\d{2}):(\d{2})$/ );
1.1 www 158: my $owner = $tkline[12];
159: my $rights_description;
160: my $copyright = $tkline[13]; # public,domain,default,private (skip if private and domain)
161: # Public means no login required
162:
163: if ( $copyright eq 'public' ) {
164: $rights_description = 'LON-CAPA Public Resource. No login required.';
165: } elsif ($copyright eq 'domain') {
166: $rights_description = 'Restricted to certain LON-CAPA domains.';
167: } else {
168: $rights_description = 'LON-CAPA Default Use Restriction. Login required.';
169: }
170: # Domain means restricted to a particular LON-CAPA domain
171: # Defaults mean access open to any registered LON-CAPA user
172: # Private means open only to author of material
173: next if ( $copyright eq 'private');
174: my $platform = "5"; # HTML Browser (not specified but construed from metadata)
1.4 www 175: #
176: # Create path
177: #
178: unless (-e $basepath.'/'.$adom) { mkdir($basepath.'/'.$adom); }
179: unless (-e $basepath.'/'.$adom.'/'.$auname) {
180: mkdir($basepath.'/'.$adom.'/'.$auname) || die 'Could not create '.$basepath.'/'.$adom.'/'.$auname;
181: }
182: open(XML,'>'.$basepath.'/'.$adom.'/'.$auname.'/'.$baseid.'.xml');
183: print XML (<<ENDMETA);
184: <?xml version="1.0" encoding="UTF-8"?>
185:
1.3 www 186: <oaidc:dc xmlns="http://purl.org/dc/elements/1.1/"
187: xmlns:oaidc="http://www.openarchives.org/OAI/2.0/oai_dc/"
188: xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
189: xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/
190: http://www.openarchives.org/OAI/2.0/oai_dc.xsd"
191: >
192: <title>$title</title>
193: <creator>$author_fname $author_lname</creator>
194: <identifier>$resourceurl</identifier>
195: <subject>$keywords</subject>
196: <subject>$subject</subject>
197: <language>$primary_language</language>
198: <description>$abstract</description>
199: <date>$rev_year-$rev_month-$rev_day</date>
200: </oaidc:dc>
1.2 www 201: ENDMETA
1.4 www 202: close (XML);
1.5 ! www 203: }
1.1 www 204: }
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