subsequent_episodes

#!/usr/bin/env python

import sys
import os

import PyQt4.QtCore as QtCore

import PyKDE4.kdecore as kdecore
import PyKDE4.kdeui as kdeui
from PyKDE4.kio import KIO
from PyKDE4.nepomuk import Nepomuk
from PyKDE4.soprano import Soprano

#website_resource = Nepomuk.Resource(kdecore.KUrl("http://yuenhoe.com/blog/"))
#website_resource.addType(Nepomuk.Vocabulary.NFO.Bookmark())
#website_resource.setLabel(kdecore.KUrl("http://yuenhoe.com/blog/").prettyUrl())

#res = Nepomuk.Resource(kdecore.KUrl("file:///home/lim/Documents/sketchboard/pynepo/[CoalGuys] K-ON S2 - 01 [DC424FCD].mkv"));
#properties = res.properties();
#for i, v in properties.iteritems():
#	print i, v.toString();

# The following is derived from Luca's kdeexample source. Copyright notice:
# Copyright 2011 Luca Beltrame <einar@heavensinferno.net>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met
#
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

class NepomukTagQueryExample(QtCore.QObject):

    def __init__(self, parent=None):

        super(NepomukTagQueryExample, self).__init__(parent)
        self.results = dict()
        self.service_client = Nepomuk.Query.QueryServiceClient()

        # Gather results as they are found
        self.service_client.newEntries.connect(self.query_client_slot)

        # Ensure we disconnect after we're done
        #self.service_client.finishedListing.connect(
            #self.service_client.newEntries.disconnect)

        # Once the query is over, we'll display the results
        self.service_client.finishedListing.connect(self.display_results)

    def display_results(self):

        # get rid of duplicate items
        results = set(self.results)

        #print "Displaying search results"
        #print
        command = "bangarang "

        i = self.episode
        while self.results.has_key(i):
            #print item
            command += "\"" + self.results[i] + "\" "
            i += 1

        #print
        #print "End results"
        print "running " + command
        os.system(str(command))
        sys.exit()

    def query_client_slot(self, data):

        # Instead of displaying results, we add them to an
        # internal list, because this slot is called for both
        # the initial search and when results are added.

        if not data:
            return

        for item in data:
            # Get the file name
            episode = item.resource().property(kdecore.KUrl('http://www.semanticdesktop.org/ontologies/2009/02/19/nmm#episodeNumber')).toInt()
            result = item.resource().property(kdecore.KUrl('http://www.semanticdesktop.org/ontologies/2007/01/19/nie#url')).toString() #genericLabel()
            self.results[episode] = result
            print "adding episode " + str(episode)

    def get_next_episode(self, res):

        #tag = Nepomuk.Tag(tag)
        series = Nepomuk.Resource(kdecore.KUrl(res.property('http://www.semanticdesktop.org/ontologies/2009/02/19/nmm#series').toString()))
        season = res.property(kdecore.KUrl('http://www.semanticdesktop.org/ontologies/2009/02/19/nmm#season'))
        self.episode = res.property(kdecore.KUrl('http://www.semanticdesktop.org/ontologies/2009/02/19/nmm#episodeNumber')).toInt()

        #soprano_term_uri = Soprano.Vocabulary.NAO.hasTag()

        # The API documentation on api.kde.org uses the URI directly, but
        # under PyKDE4 generates an error, hence we wrap it in
        # Nepomuk.Types.Property

        #nepomuk_property = Nepomuk.Types.Property(soprano_term_uri)
        #nepomuk_property = Nepomuk.Types.Property(kdecore.KUrl('http://www.semanticdesktop.org/ontologies/2007/01/19/nie#title'))
        season_property = Nepomuk.Types.Property(kdecore.KUrl('http://www.semanticdesktop.org/ontologies/2009/02/19/nmm#season'))
        series_property = Nepomuk.Types.Property(kdecore.KUrl('http://www.semanticdesktop.org/ontologies/2009/02/19/nmm#series'))

        # The actual term for the query, in this case a ComparisonTerm,
        # because we compare our hasTag() with the actual tag
        # The tag is wrapped in a ResourceTerm
        and_term = Nepomuk.Query.AndTerm()

        and_term.addSubTerm(Nepomuk.Query.ComparisonTerm(season_property,
                Nepomuk.Query.LiteralTerm(Soprano.LiteralValue(season)),
                Nepomuk.Query.ComparisonTerm.Equal))
        and_term.addSubTerm(Nepomuk.Query.ComparisonTerm(series_property,
                Nepomuk.Query.ResourceTerm(series),
                Nepomuk.Query.ComparisonTerm.Equal))

        # Now we make a query. We use a FileQuery since we're interested in
        # files, but if we want more generic results we can use
        # Nepomuk.Query.Query.

        query = Nepomuk.Query.FileQuery(and_term)

        # We call now the Nepomuk Query Service to execute our query
        # asynchronously
        self.service_client.query(query)

    def query_desktop_query(self, tag):

        # A simple query using Desktop Query instead of building a query
        # For tags it's very acceptable

        query = "hasTag:%s" % tag

        self.service_client.desktopQuery(query)

def main():

    app_name = "nepomuk_tag_query_example"
    program_name = kdecore.ki18n("Example Nepomuk tag query"
            " application (PyKDE4)")
    about_data = kdecore.KAboutData(QtCore.QByteArray(app_name), "",
                                program_name, QtCore.QByteArray("0.1"))
    kdecore.KCmdLineArgs.init(sys.argv, about_data)
    options = kdecore.KCmdLineOptions();
    options.add('+test');
    kdecore.KCmdLineArgs.addCmdLineOptions(options)
    app = kdeui.KApplication()
    
    print sys.argv[1]

    first_test = NepomukTagQueryExample()
    res = Nepomuk.Resource(kdecore.KUrl("file://" + sys.argv[1]));
    first_test.get_next_episode(res)

#    second_test = NepomukTagQueryExample()
#    second_test.query_desktop_query("test_query")

    QtCore.QTimer.singleShot(5000, app.quit)
    app.exec_()

if __name__ == '__main__':
    main()