Update of /cvsroot/freevo/freevo/WIP/Ruelle
In directory sc8-pr-cvs1:/tmp/cvs-serv5710
Added Files:
headlines.py local_conf.py.headlines
Log Message:
RDF Headlines support
--- NEW FILE: headlines.py ---
#if 0 /*
# -----------------------------------------------------------------------
# headlines.py - a simple plugin to listen to headlines
# -----------------------------------------------------------------------
# $Id: headlines.py,v 1.1 2003/08/27 23:47:18 mikeruelle Exp $
#
# Notes:
# Todo:
#
# -----------------------------------------------------------------------
# $Log: headlines.py,v $
# Revision 1.1 2003/08/27 23:47:18 mikeruelle
# RDF Headlines support
#
#
# -----------------------------------------------------------------------
# Freevo - A Home Theater PC framework
# Copyright (C) 2003 Krister Lagerstrom, et al.
# Please see the file freevo/Docs/CREDITS for a complete list of authors.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MER-
# CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
# Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# ----------------------------------------------------------------------- */
#endif
#python modules
import os, string, time
# rdf modules
from rdflib.TripleStore import TripleStore
from rdflib.constants import TYPE
from rdflib.Namespace import Namespace
MYNS = Namespace("http://my.netscape.com/rdf/simple/0.9/";)
#freevo modules
import config, menu, rc, plugin, skin
from item import Item
#get the sinfletons so we can add our menu and get skin info
skin = skin.get_singleton()
menuwidget = menu.get_singleton()
TRUE = 1
FALSE = 0
#check every 20 minutes
MAX_HEADLINE_AGE = 1200
class HeadlinesSiteItem(Item):
def __init__(self, parent):
Item.__init__(self, parent)
self.url = ''
self.location_index = None
def actions(self):
"""
return a list of actions for this item
"""
items = [ ( self.getheadlines , 'See Sites Headlines' ) ]
return items
def getsiteheadlines(self):
headlines = []
pfile = os.path.join(config.FREEVO_CACHEDIR, 'headlines-%i' %
self.location_index)
if (os.path.isfile(pfile) == 0 or \
(abs(time.time() - os.path.getmtime(pfile)) > MAX_HEADLINE_AGE)):
#print 'Fresh Headlines'
headlines = self.fetchheadlinesfromurl()
else:
#print 'Cache Headlines'
try:
cachefile = open(pfile,'r')
headlines = map(string.rstrip, cachefile.readlines())
cachefile.close()
except IOError:
print 'HEADLINES: error reading cache.'
return []
return headlines
def fetchheadlinesfromurl(self):
headlines = []
store = TripleStore()
store.load(self.url)
for story in store.subjects(TYPE, MYNS["item"]):
for title in store.objects(story, MYNS["title"]):
headlines += [ '%s' % title ]
#write the file
if len(headlines) > 0:
pfile = os.path.join(config.FREEVO_CACHEDIR, 'headlines-%i' %
self.location_index)
cachefile = open(pfile,'w+')
for title in headlines:
cachefile.write(title + '\n')
cachefile.close()
return headlines
def getheadlines(self, arg=None, menuw=None):
headlines = []
rawheadlines = []
rawheadlines = self.getsiteheadlines()
for title in rawheadlines:
headlines += [ menu.MenuItem('%s' % title, menuwidget.goto_prev_page, 0) ]
if (len(headlines) == 0):
headlines += [menu.MenuItem('No Headlines found',
menuwidget.goto_prev_page, 0)]
headlines_menu = menu.Menu('Headlines', headlines)
rc.app(None)
menuwidget.pushmenu(headlines_menu)
menuwidget.refresh()
# this is the item for the main menu and creates the list
# of Headlines Sites in a submenu.
class HeadlinesMainMenuItem(Item):
def actions(self):
"""
return a list of actions for this item
"""
items = [ ( self.create_locations_menu , 'Headlines Sites' ) ]
return items
def create_locations_menu(self, arg=None, menuw=None):
headlines_sites = []
for location in config.HEADLINES_LOCATIONS:
headlines_site_item = HeadlinesSiteItem(self)
headlines_site_item.name = location[0]
headlines_site_item.url = location[1]
headlines_site_item.location_index =
config.HEADLINES_LOCATIONS.index(location)
headlines_sites += [ headlines_site_item ]
if (len(headlines_sites) == 0):
headlines_sites += [menu.MenuItem('No Headlines Sites found',
menuwidget.goto_prev_page, 0)]
headlines_site_menu = menu.Menu('Headlines Sites', headlines_sites)
rc.app(None)
menuwidget.pushmenu(headlines_site_menu)
menuwidget.refresh()
# our plugin wrapper, just creates the main menu item and adds it.
class PluginInterface(plugin.MainMenuPlugin):
# make an init func that creates the cache dir if it don't exist
def items(self, parent):
menu_items = skin.settings.mainmenu.items
item = HeadlinesMainMenuItem()
item.name = 'Headlines'
if menu_items.has_key('headlines') and menu_items['headlines'].icon:
item.icon = os.path.join(skin.settings.icon_dir,
menu_items['headlines'].icon)
if menu_items.has_key('headlines') and menu_items['headlines'].image:
item.image = menu_items['headlines'].image
item.parent = parent
return [ item ]
--- NEW FILE: local_conf.py.headlines ---
# need rdflib from http://rdflib.net/ i got 1.2.4
plugin.activate('headlines', level=45)
HEADLINES_LOCATIONS = [ ( 'Slashdot' , 'http://slashdot.org/slashdot.rdf'),
( 'Freshmeat' , 'http://freshmeat.net/backend/fm.rdf') ]
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