NAME Net::Flickr::RDF - a.k.a RDF::Describes::Flickr SYNOPSIS use Net::Flickr::RDF; use Config::Simple; use IO::AtomicFile; my $cfg = Config::Simple->new("/path/to/my.cfg"); my $rdf = Net::Flickr::RDF->new($cfg); my $fh = IO::AtomicFile->open("/foo/bar.rdf","w"); $rdf->describe_photo({photo_id => 123, secret => 567, fh => \*$fh}); $fh->close(); DESCRIPTION Describe Flickr photos as RDF. This package inherits from *Net::Flickr::API*. OPTIONS Options are passed to Net::Flickr::Backup using a Config::Simple object or a valid Config::Simple config file. Options are grouped by "block". flickr * api_key String. *required* A valid Flickr API key. * api_secret String. *required* A valid Flickr Auth API secret key. * auth_token String. *required* A valid Flickr Auth API token. PACKAGE METHODS __PACKAGE__->new($cfg) Where $cfg is either a valid *Config::Simple* object or the path to a file that can be parsed by *Config::Simple*. Returns a *Net::Flickr::RDF* object. PACKAGE METHODS YOU MAY CARE ABOUT __PACKAGE__->build_user_tag_uri(\@data) Returns a URL as a string. __PACKAGE__->build_global_tag_uri(\@data) Returns a URL as a string. __PACKAGE__->build_user_uri($user_id) Returns a URL as a string. __PACKAGE__->build_group_uri($group_id) Returns a URL as a string. __PACKAGE__->build_grouppool_uri($group_id) Returns a URL as a string. __PACKAGE__->build_photoset_uri(\%set_data) Returns a URL as a string. __PACKAGE__->prune_triples(\@triples) Removes duplicate triples from *@triples*. Returns an array reference. OBJECT METHODS YOU SHOULD CARE ABOUT $obj->describe_photo(\%args) Valid arguments are : * photo_id Int. *required* * secret String. * fh File-handle. Default is STDOUT. Returns true or false. OBJECT METHODS YOU MAY CARE ABOUT $obj->collect_photo_data($photo_id,$secret) Returns a hash ref of the meta data associated with a photo. If any errors are unencounter an error is recorded via the log method and the method returns undef. $obj->collect_group_data($group_id) Returns a hash ref of the meta data associated with a group. If any errors are unencounter an error is recorded via the log method and the method returns undef. $obj->collect_user_data($user_id) Returns a hash ref of the meta data associated with a user. If any errors are unencounter an error is recorded via the log method and the method returns undef. $obj->collect_photoset_data($photoset_id) Returns a hash ref of the meta data associated with a photoset. If any errors are unencounter an error is recorded via the log method and the method returns undef. $obj->collect_cc_data() Returns a hash ref of the Creative Commons licenses used by Flickr. If any errors are unencounter an error is recorded via the log method and the method returns undef. $obj->make_photo_triples(\%data) Returns an array ref (or alist in a wantarray context) of array refs of the meta data associated with a photo (*%data*). $obj->make_user_triples(\%user_data) Returns an array ref (or list in a wantarray context) of array refs of the meta data associated with a user (*%user_data*). $obj->make_tag_triples(\@tag_data) Returns an array ref (or list in a wantarray context) of array refs of the meta data associated with a tag (*@tag_data*). $pkg->make_photoset_triples(\%set_data) Returns an array ref (or list in a wantarray context) of array refs of the meta data associated with a photoset (*%set_data*). $obj->make_group_triples(\%group_data) Returns an array ref (or list in a wantarray context) of array refs of the meta data associated with a group (*%group_data*). $obj->make_grouppool_triples(\%group_data) Returns an array ref (or list in a wantarray context) of array refs of the meta data associated with a group pool (*%group_data*). $obj->make_cc_triples($url) Returns an array ref (or list in a wantarray context) of array refs of the meta data associated with a Creative Commons license (*$url*). $obj->namespaces() Returns a hash ref of the prefixes and namespaces used by *Net::Flickr::RDF* The default key/value pairs are : a http://www.w3.org/2000/10/annotation-ns acl http://www.w3.org/2001/02/acls# cc http://web.resource.org/cc/ dc http://purl.org/dc/elements/1.1/ dcterms http://purl.org/dc/terms/ exif http://nwalsh.com/rdf/exif# exifi http://nwalsh.com/rdf/exif-intrinsic# flickr x-urn:flickr: foaf http://xmlns.com/foaf/0.1/# geo http://www.w3.org/2003/01/geo/wgs84_pos# i http://www.w3.org/2004/02/image-regions# rdf http://www.w3.org/1999/02/22-rdf-syntax-ns# rdfs http://www.w3.org/2000/01/rdf-schema# skos http://www.w3.org/2004/02/skos/core# $obj->namespace_prefix($uri) Return the namespace prefix for *$uri* $obj->uri_shortform($prefix,$name) Returns a string in the form of *prefix*:*property*. The property is the value of $name. The prefix passed may or may be the same as the prefix returned depending on whether or not the user has defined or redefined their own list of namespaces. Unless this package is subclassed the prefix passed to the method is assumed to be one of prefixes in the default list of namespaces. $obj->api_call(\%args) Valid args are : * method A string containing the name of the Flickr API method you are calling. * args A hash ref containing the key value pairs you are passing to *method* If the method encounters any errors calling the API, receives an API error or can not parse the response it will log an error event, via the log method, and return undef. Otherwise it will return a *XML::LibXML::Document* object (if XML::LibXML is installed) or a *XML::XPath* object. $obj->log() Returns a *Log::Dispatch* object. $obj->serialise_triples(\@triples,\*$fh) Print *@triples* as RDF/XML to a filehandle (*$fh*). If no filehandle is defined, prints to STDOUT. $obj->serialize_triples(\@triples,\*$fh) An alias for *serialise_triples* VERSION 1.3 DATE $Date: 2005/10/07 04:07:05 $ AUTHOR Aaron Straup Cope EXAMPLES CONFIG FILES This is an example of a Config::Simple file used to collect RDF data from Flickr [flickr] api_key=asd6234kjhdmbzcxi6e323 api_secret=s00p3rs3k3t auth_token=123-omgwtf4u RDF This is an example of an RDF dump for a photograph backed up from Flickr : 1250 336/100 960 4.5 mm visbility sRGB 2005:08:02 18:12:19 4321/1000 0.05 sec (263/5260) 2005-08-02T18:12:19-0700 2005-08-02T18:16:20-0700 High gain up 32 100/100 1280 2005:08:02 18:12:19 20050802(007).jpg f/3.2 public 468 141 22 26 *sigh* usa usa Square 75 75 california california 357 193 81 28 eww! 4f6f211958d5217ef0d10f7f5cd9a69cd66f217e Karl Dubost karlcow 326 181 97 25 Did you see that this shirt makes me a beautiful breast? 9 205 145 55 Do you want my opinion? There's a love affair going on here… Anyway. Talking non sense. We all know Heather is committed to Flickr. She even only dresses at FlickrApparel. Did they say "No Logo". Doh Dude. Small 180 240 Flickr 216d56f03517c68e527c5b970552a181980c4389 George Oates George 355 31 103 95 (Yes… I love you heather, you are my dream star) 184 164 50 50 Baaaaarp! Thumbnail 75 100 433 103 50 50 (fuck… fuck…) san francisco sanfrancisco sanfrancisco 62bf10c8d5b56623226689b7be924c64dee5e94a heather powazek champ heather Medium 375 500 202 224 50 50 dude! who did this? aaronland Original 960 1280 cameraphone cameraphone a4d1b5e38db5e2ed4f847f9f09fd51cf59bc0d3f Aaron straup 342 197 28 33 Is that just one big boob, or...? SEE ALSO Net::Flickr::API RDF::Simple TO DO * Methods for describing more than just a photo; groups, tags, etc. * Update bounding boxes to be relative to individual images * Proper tests Patches are welcome. BUGS Please report all bugs via http://rt.cpan.org/ LICENSE Copyright (c) 2005 Aaron Straup Cope. All Rights Reserved. This is free software. You may redistribute it and/or modify it under the same terms as Perl itself.