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# -*- coding: utf-8 -*-
import gtk
import webkit
from xml.dom import minidom
import urllib
class RSSFeeder:
# Attributes
_title = "RSS Feeder"
_label_text = "HELLO News"
_window = None
_toolbar = None
_statusbar = None
_mainbox = None
_label = None
_news_button = None
_planet_button = None
_cool_button = None
_fun_button = None
_like_button = None
_updates_button = None
_exit_button = None
_feedview = None
_feedbox = None
_feedview_scroller = None
_statusbar_progressbar = None
_feedliststore = None
_feedtreeview = None
_feedcellrenderer = None
_feedcelltreeviewcolumn = None
_currentbutton = None
_currentItems = None
# Constants
_greenColor = '#00E500'
_defaultColor = "#EFEFEF"
_redColor = '#FF0000'
_feeds_limit = 20
def getFeedURL(self):
if self._currentbutton == "news":
return "http://www.eltiempo.com/colombia/rss.xml"
elif self._currentbutton == "planet":
return "http://www.eltiempo.com/deportes/rss.xml"
elif self._currentbutton == "cool":
return "http://www.eltiempo.com/tecnologia/rss.xml"
return "http://www.eltiempo.com/mundo/rss.xml"
def exit_button_clicked(self,btn):
""" Callback for exit button click
"""
self.exitApplication()
def selectButton(self):
self._news_button.modify_bg(gtk.STATE_NORMAL, gtk.gdk.color_parse(self._defaultColor))
self._planet_button.modify_bg(gtk.STATE_NORMAL, gtk.gdk.color_parse(self._defaultColor))
self._fun_button.modify_bg(gtk.STATE_NORMAL, gtk.gdk.color_parse(self._defaultColor))
self._cool_button.modify_bg(gtk.STATE_NORMAL, gtk.gdk.color_parse(self._defaultColor))
if self._currentbutton == "news":
self._news_button.modify_bg(gtk.STATE_NORMAL, gtk.gdk.color_parse(self._greenColor))
elif self._currentbutton == "planet":
self._planet_button.modify_bg(gtk.STATE_NORMAL, gtk.gdk.color_parse(self._greenColor))
elif self._currentbutton == "cool":
self._cool_button.modify_bg(gtk.STATE_NORMAL, gtk.gdk.color_parse(self._greenColor))
elif self._currentbutton == "fun":
self._fun_button.modify_bg(gtk.STATE_NORMAL, gtk.gdk.color_parse(self._greenColor))
def news_button_clicked(self,btn):
""" Callback for news button click
"""
if self._currentbutton == "news":
self.clearCurrentFeeds()
else:
self._currentbutton = "news"
self.selectButton()
url = self.getFeedURL()
self.load_rss_items(url)
def planet_button_clicked(self,btn):
""" Callback for planet button click
"""
if self._currentbutton == "planet":
self.clearCurrentFeeds()
else:
self._currentbutton = "planet"
self.selectButton()
url = self.getFeedURL()
self.load_rss_items(url)
def cool_button_clicked(self,btn):
""" Callback for cool button click
"""
if self._currentbutton == "cool":
self.clearCurrentFeeds()
else:
self._currentbutton = "cool"
self.selectButton()
url = self.getFeedURL()
self.load_rss_items(url)
def fun_button_clicked(self,btn):
""" Callback for fun button click
"""
if self._currentbutton == "fun":
self.clearCurrentFeeds()
else:
self._currentbutton = "fun"
self.selectButton()
url = self.getFeedURL()
self.load_rss_items(url)
def updates_button_clicked(self,btn):
""" Callback for updates button click
"""
if self._currentbutton is not None:
url = self.getFeedURL()
self.load_rss_items(url)
def clearCurrentFeeds(self):
self._feedliststore.clear()
self._currentbutton = None
self._currentItems = None
self.selectButton()
self._feedview.load_html_string('','')
def load_rss_items(self,url):
""" Get the RSS items
"""
connection = urllib.urlopen(url)
feed = minidom.parse(connection)
connection.close()
items = feed.getElementsByTagName('item')[0:self._feeds_limit]
self._feedliststore.clear()
self._feedview.load_html_string('','')
self._currentItems = items
for item in items:
self._feedliststore.append([item.childNodes[1].childNodes[0].data])
def load_rss_item(self,itemTitle):
""" Get the RSS items
"""
if self._currentItems is not None:
for item in self._currentItems:
title = item.childNodes[1].childNodes[0].data
if title == itemTitle:
description = item.childNodes[9].childNodes[0].data
content = item.childNodes[13].childNodes[0].data
html = """
<div style='font-weight: bold; background-color: #333333; color: #FFFFFF; padding: 5px'>%s</div>
<div style="height: 20px"> </div>
<div style='font-weight: bold; background-color: #333333; color: #FFFFFF; padding: 5px'>DESCRIPTION</div>
<div style="height: 10px"> </div>
%s
<div style="height: 20px"> </div>
<div style='font-weight: bold; background-color: #333333; color: #FFFFFF; padding: 5px'>CONTENT</div>
<div style="height: 10px"> </div>
%s
""" % ( title, description, content )
self._feedview.load_html_string(html,'')
def exitApplication(self):
""" Callback for close button
"""
gtk.main_quit()
def destroyWindow(self, widget, data=None):
""" Callback for window destroy
"""
self.exitApplication()
def createWindow(self):
""" Create window
"""
self._window = gtk.Window()
self._window.set_title(self._title)
self._window.connect("destroy", self.destroyWindow)
self._window.maximize()
def createToolbar(self):
""" Create toolbar
"""
self._toolbar = gtk.HBox()
self._label =gtk.Label(self._label_text)
self._news_button = gtk.Button("News")
self._planet_button = gtk.Button("Planet")
self._cool_button = gtk.Button("Cool")
self._fun_button = gtk.Button("Fun")
self._like_button = gtk.Button("Like")
self._updates_button = gtk.Button("Updates")
self._exit_button = gtk.Button("Exit")
self._toolbar.pack_start(self._label,False,True)
self._toolbar.pack_start(gtk.HSeparator(),False,False,5)
self._toolbar.pack_start(self._news_button,False)
self._toolbar.pack_start(self._planet_button,False)
self._toolbar.pack_start(self._cool_button,False)
self._toolbar.pack_start(self._fun_button,False)
self._toolbar.pack_start(self._like_button,False)
self._toolbar.pack_start(gtk.HSeparator(),False,False,5)
self._toolbar.pack_start(self._updates_button,False,True)
self._toolbar.pack_start(gtk.HSeparator(),False,False,5)
self._toolbar.pack_start(self._exit_button,False,True)
self._exit_button.connect("clicked",self.exit_button_clicked)
self._news_button.connect("clicked",self.news_button_clicked)
self._planet_button.connect("clicked",self.planet_button_clicked)
self._cool_button.connect("clicked",self.cool_button_clicked)
self._fun_button.connect("clicked",self.fun_button_clicked)
self._updates_button.connect("clicked",self.updates_button_clicked)
self._mainbox.pack_start(self._toolbar,False)
self.selectButton()
def feedtreeview_click(self,widget):
treeselection = self._feedtreeview.get_selection()
(model, iter) = treeselection.get_selected()
value = self._feedliststore.get_value(iter, 0)
self.load_rss_item(value)
def createFeedWorkspace(self):
""" Create feed view
"""
self._feedbox = gtk.HBox()
self._feedview_scroller = gtk.ScrolledWindow()
self._feedview = webkit.WebView()
self._feedview_scroller.add(self._feedview)
self._feedliststore = gtk.ListStore(str)
self._feedtreeview = gtk.TreeView(self._feedliststore)
self._feedcellrenderer = gtk.CellRendererText()
self._feedcelltreeviewcolumn = gtk.TreeViewColumn( "Latest 20", self._feedcellrenderer, text=0 )
self._feedtreeview.append_column(self._feedcelltreeviewcolumn)
self._feedbox.pack_start(self._feedview_scroller)
self._feedbox.pack_start(self._feedtreeview,False, padding=5)
self._mainbox.pack_start(self._feedbox)
self._feedtreeview.connect('cursor-changed', self.feedtreeview_click)
def createStatusBar(self):
self._statusbar = gtk.HBox()
self._statusbar_progressbar = gtk.ProgressBar()
self._statusbar.pack_start(self._statusbar_progressbar)
self._mainbox.pack_start(self._statusbar, False)
def __init__(self):
""" Constructor
"""
# Window
self.createWindow()
# Main box
self._mainbox = gtk.VBox()
# Toolbar
self.createToolbar()
# Feed view
self.createFeedWorkspace()
# Status bar
self.createStatusBar()
# Show all
self._window.add(self._mainbox)
self._window.show_all()
# Final adjustments
if __name__ == "__main__":
rssfeeder = RSSFeeder()
gtk.main()
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