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==Examples==
==Examples==
-
'''Adding an event'''
+
'''dbus-send'''
-
 
+
-
dbus-send
+
  dbus-send --print-reply --type=method_call --dest=com.maemo.eventFeed / com.maemo.eventFeed.addEvent string:'my_source' string:'My Source' string:'/path/to/my/icon.png' string:'My Event' string:'This is an event' array:string:'/path/to/image/one.png', '/path/to/image/two.png' string:'Event footer' string:'2012-10-01T16:00:08.000Z' string:'exec /path/to/my/script argument'
  dbus-send --print-reply --type=method_call --dest=com.maemo.eventFeed / com.maemo.eventFeed.addEvent string:'my_source' string:'My Source' string:'/path/to/my/icon.png' string:'My Event' string:'This is an event' array:string:'/path/to/image/one.png', '/path/to/image/two.png' string:'Event footer' string:'2012-10-01T16:00:08.000Z' string:'exec /path/to/my/script argument'
-
Python
+
'''Python'''
  import dbus
  import dbus
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  else:
  else:
     print 'Error adding event'
     print 'Error adding event'
-
 
-
'''Example Python script to retrieve YouTube videos and add them to the event feed'''
 
  #!/usr/bin/env python
  #!/usr/bin/env python
   
   
-
from __future__ import with_statement
 
  import urllib2
  import urllib2
  import simplejson
  import simplejson
  import dbus
  import dbus
-
import datetime
 
  import sys
  import sys
-
 
-
LAST_RUN_DATE_TIME_FILE = '/home/user/Event Feed/examples/YouTube/last_run.txt' # File to read/write serialized date/time when script was last run.
 
-
SCRIPT_FILE = '/home/user/Event\ Feed/examples/YouTube/get_youtube_videos' # Path to the script.
 
   
   
  def get_youtube_videos(query):
  def get_youtube_videos(query):
-
""" Retrieve YouTube videos and populate the Hildon Event Feed
+
    """Retrieve YouTube videos and populate the Hildon Event Feed
-
+
   
-
    Usage: get_youtube_videos [query]
+
        Usage: get_youtube_videos [query]
-
        """
+
    """
 +
    query = query.strip().replace('  ', ' ').replace(' ', '+')
 +
    video_feed = 'http://gdata.youtube.com/feeds/api/videos?v=2.1&max-results=20&alt=json&orderby=published&q='
 +
    video_fields = 'entry(media:group(media:title,media:thumbnail,media:description,media:credit,yt:uploaded,yt:videoid))'
 +
       
 +
    source_name = 'youtube' # Identifies the source of the events. Must be unique to the source.
 +
   
 +
    source_display_name = 'YouTube' # Display name for the source in the event feed UI.
 +
   
 +
    icon = 'https://lh4.googleusercontent.com/-4QDxins1Vgw/AAAAAAAAAAI/AAAAAAAAGYw/sM3FJY9Asl4/s250-c-k/photo.jpg' # Icon to be displayed in the event feed UI.
      
      
-
query = query.strip().replace(' ', '+')
+
    action = 'dbus:system com.nokia.osso_browser /com/nokia/osso_browser/request com.nokia.osso_browser load_url' # This will be called when the user taps on an item in the event feed. In this example, the video url is opened in the browser.
-
video_feed = 'http://gdata.youtube.com/feeds/api/videos?v=2.1&max-results=20&alt=json&orderby=published&q='
+
   
-
video_fields = 'entry(media:group(media:title,media:thumbnail,media:description,media:credit,yt:uploaded,yt:videoid))'
+
    refresh_action = 'exec python /home/user/MyDocs/scripts/get_youtube_videos' # This will be called when the user presses the 'Refresh' button in the event feed UI.
-
+
   
-
source_name = 'youtube_example' # Identifies the source of the events. Must be unique to the source.
+
    bus = dbus.SessionBus()
-
source_display_name = 'YouTube' # Display name for the source in the event feed UI.
+
    iface = dbus.Interface(bus.get_object('com.maemo.eventFeed', '/'), 'com.maemo.eventFeed') # Connect to event feed dbus object
-
icon = '/home/user/Event Feed/examples/YouTube/youtube_icon.png' # Icon to be displayed in the event feed UI.
+
   
-
action = 'dbus:system com.nokia.osso_browser /com/nokia/osso_browser/request com.nokia.osso_browser load_url' # This will be called when the user taps on an item in the event feed. In this example, the video url is opened in the browser.
+
    iface.addRefreshAction(source_name, refresh_action) # Add a refresh action to the event feed.
-
refresh_action = 'exec python %s %s' % (SCRIPT_FILE, query) # This will be called when the user presses the 'Refresh' button in the event feed UI.
+
-
+
-
bus = dbus.SessionBus()
+
-
iface = dbus.Interface(bus.get_object('com.maemo.eventFeed', '/'), 'com.maemo.eventFeed') # Connect to event feed dbus object
+
-
iface.addRefreshAction(source_name, refresh_action) # Add a refresh action to the event feed.
+
-
+
-
last_run = script_last_run() # Time when script was last run. Will be used to check against the date/time of each video in the feed.
+
-
+
-
result = urllib2.urlopen('%s%s&fields=%s' % (video_feed, query, video_fields)).read()
+
-
json_result = simplejson.loads(result)
+
-
+
-
try:
+
-
result = json_result['feed']
+
-
videos = result['entry']
+
-
except:
+
-
videos = []
+
-
print 'Error retrieving video feed'
+
-
+
-
for video in videos:
+
-
try:
+
-
group = video['media$group']
+
-
video_id = group['yt$videoid']['$t']
+
-
title = group['media$title']['$t']
+
-
description = group['media$description']['$t']
+
-
thumbnail = group['media$thumbnail'][3]['url']
+
-
thumbnail2 = group['media$thumbnail'][4]['url']
+
-
uploader = group['media$credit'][0]['$t']
+
-
upload_date = group['yt$uploaded']['$t']
+
-
+
-
try:
+
-
item_date_time = datetime.datetime.strptime(upload_date[0: upload_date.find('.')], '%Y-%m-%dT%H:%M:%S')
+
-
except:
+
-
print 'Cannot parse item date/time. Using default'
+
-
item_date_time = datetime.datetime.min
+
-
+
-
if item_date_time > last_run:
+
-
print iface.addEvent(source_name, source_display_name, icon, title, description, [thumbnail, thumbnail2], uploader, upload_date, '%s http://www.youtube.com/watch?v=%s' % (action, video_id))
+
-
+
-
except:
+
-
print 'Error processing video item'
+
-
+
-
set_script_last_run(datetime.datetime.now().strftime('%Y, %m, %d, %H, %M, %S'))
+
   
   
-
def script_last_run():
+
    result = urllib2.urlopen('%s%s&fields=%s' % (video_feed, query, video_fields)).read()
-
""" Read serialized date/time from last_run.txt. """
+
    json_result = simplejson.loads(result)
-
+
-
date_time_string = ''
+
-
last_run = datetime.datetime.min
+
-
+
-
try:
+
-
with open(LAST_RUN_DATE_TIME_FILE, 'r') as file:
+
-
date_time_string = file.read()
+
-
file.close()
+
-
+
-
if date_time_string != '':
+
-
try:
+
-
last_run = datetime.datetime.strptime(date_time_string, '%Y, %m, %d, %H, %M, %S')
+
-
except:
+
-
print 'Saved date/time in incorrect format. Using default'
+
-
+
-
except IOError:
+
-
print 'Cannot read date/time from file. Using default.'
+
-
+
-
return last_run
+
-
+
-
def set_script_last_run(date_time_string):
+
-
""" Serialize the date/time the script was last run to last_run.txt. """
+
   
   
-
try:
+
    try:
-
with open(LAST_RUN_DATE_TIME_FILE, 'w') as file:
+
        result = json_result['feed']
-
file.write(unicode(date_time_string))
+
        videos = result["entry"]
-
file.close()
+
    except:
-
except IOError:
+
        videos = []
-
print 'Cannot write date/time to file'
+
        print 'Error retrieving video feed'
 +
           
 +
    for video in videos:
 +
        try:
 +
            group = video['media$group']
 +
            video_id = group['yt$videoid']['$t']
 +
            title = group['media$title']['$t']
 +
            description = group['media$description']['$t']
 +
            thumbnail = group['media$thumbnail'][3]['url']
 +
            thumbnail2 = group['media$thumbnail'][4]['url']
 +
            uploader = group['media$credit'][0]['$t']
 +
            upload_date = group['yt$uploaded']['$t']
   
   
-
if __name__ == '__main__':
+
            print iface.addEvent(source_name, source_display_name, icon, title, description, [thumbnail, thumbnail2], uploader, upload_date, '%s http://www.youtube.com/watch?v=%s' % (action, video_id))
-
if len(sys.argv) == 2:
+
-
sys.exit(get_youtube_videos(sys.argv[1]))
+
-
else:
+
-
print 'Usage: get_youtube_videos [query]'
+
   
   
-
 
+
        except:
-
'''Example Python script to retrieve an RSS feed (default is latest TMO threads) and post new items to the event feed.
+
            print 'Error processing video item'
-
 
+
-
#!/usr/bin/env python
+
   
   
-
from __future__ import with_statement
 
-
import xml.dom.minidom as DOM
 
-
import urllib2
 
-
import dbus
 
-
import re
 
-
import datetime
 
-
import sys
 
-
 
-
LAST_RUN_DATE_TIME_FILE = '/home/user/Event Feed/examples/RSS Feed/last_run.txt' # File to read/write serialized date/time when script was last run.
 
-
SCRIPT_FILE = '/home/user/Event\ Feed/examples/RSS\ Feed/get_rss_feed' # Path to the script.
 
-
 
-
def get_rss_feed(feed = 'http://talk.maemo.org/external.php?type=RSS2'):
 
-
""" Retrieve the RSS feed (default is latest TMO threads) and post events to the Hildon Event Feed. """
 
-
 
-
source_name = 'rss_feed_example' # Source of the events
 
-
display_name = 'RSS Feed' # Source name displayed in the event feed UI
 
-
icon = '/usr/share/icons/hicolor/64x64/hildon/general_rss.png' # Icon for the events in the UI
 
-
action = 'dbus:system com.nokia.osso_browser /com/nokia/osso_browser/request com.nokia.osso_browser load_url' # This will be called when the user taps on an item in the event feed. In this example, the link is opened in the browser.
 
-
refresh_action = 'exec python %s %s' % (SCRIPT_FILE, feed) # When this refresh action is added, the script will be called again (with same feed) when the 'Refresh' button is pressed in the event feed UI.
 
-
 
-
bus = dbus.SessionBus()
 
-
iface = dbus.Interface(bus.get_object('com.maemo.eventFeed', '/'), 'com.maemo.eventFeed') # Get the event feed dbus object
 
-
iface.addRefreshAction(source_name, refresh_action) # Add the refresh action to the event feed.
 
-
 
-
last_run = script_last_run() # Time when script was last run. Will be used to check against the date/time of each item in the feed.
 
-
 
-
rss = urllib2.urlopen(feed).read()
 
-
doc = DOM.parseString(rss)
 
-
items = doc.getElementsByTagName('item')
 
-
 
-
link = ''
 
-
title = ''
 
-
body = ''
 
-
images = []
 
-
footer = ''
 
-
timestamp = ''
 
-
 
-
for item in items:
 
-
for node in item.childNodes:
 
-
nodeName = node.nodeName
 
-
 
-
if nodeName == 'link':
 
-
link = node.firstChild.data
 
-
elif nodeName == 'title':
 
-
title = node.firstChild.data
 
-
elif nodeName == 'description':
 
-
body = node.firstChild.data
 
-
elif nodeName == 'dc:creator':
 
-
footer = node.firstChild.data
 
-
elif nodeName == 'pubDate':
 
-
timestamp = node.firstChild.data
 
-
elif nodeName == 'content:encoded':
 
-
images = get_images(node.firstChild.data)
 
-
 
-
try:
 
-
item_date_time = datetime.datetime.strptime(timestamp[0:timestamp.rfind(' ')], '%a, %d %b %Y %H:%M:%S')
 
-
except:
 
-
print 'Cannot parse item date/time. Using default'
 
-
item_date_time = datetime.datetime.min
 
-
 
-
if item_date_time > last_run:
 
-
print iface.addEvent(source_name, display_name, icon, title, body, images, footer, timestamp, '%s %s' % (action, link)) # If item is new, add an event to the event feed and print the reply.
 
-
 
-
set_script_last_run(datetime.datetime.now().strftime('%Y, %m, %d, %H, %M, %S'))
 
-
 
-
def script_last_run():
 
-
""" Read serialized date/time from last_run.txt. """
 
-
 
-
date_time_string = ''
 
-
last_run = datetime.datetime.min
 
-
 
-
try:
 
-
with open(LAST_RUN_DATE_TIME_FILE, 'r') as file:
 
-
date_time_string = file.read()
 
-
file.close()
 
-
 
-
if date_time_string != '':
 
-
try:
 
-
last_run = datetime.datetime.strptime(date_time_string, '%Y, %m, %d, %H, %M, %S')
 
-
except:
 
-
print 'Saved date/time in incorrect format. Using default'
 
-
 
-
except IOError:
 
-
print 'Cannot read date/time from file. Using default.'
 
-
 
-
return last_run
 
-
 
-
def set_script_last_run(date_time_string):
 
-
""" Serialize the date/time the script was last run to last_run.txt. """
 
-
 
-
try:
 
-
with open(LAST_RUN_DATE_TIME_FILE, 'w') as file:
 
-
file.write(unicode(date_time_string))
 
-
file.close()
 
-
except IOError:
 
-
print 'Cannot write date/time to file'
 
-
 
-
def get_images(content):
 
-
""" Try to extract image links from the content:encoded node. """
 
-
 
-
images = re.findall('http://[^\s]+jpg|http://[^\s]+png', content)
 
-
 
-
if len(images) > 2:
 
-
images = images[0:2]
 
-
 
-
return images
 
-
 
  if __name__ == '__main__':
  if __name__ == '__main__':
-
if len(sys.argv) > 1:
+
    if len(sys.argv) == 2:
-
sys.exit(get_rss_feed(sys.argv[1]))
+
        sys.exit(get_youtube_videos(sys.argv[1]))
-
else:
+
    else:
-
sys.exit(get_rss_feed())
+
        print 'Usage: get_youtube_videos [query]'
-
+
 
-
[[User:marxian|marxian]] 15:09, 4 October 2012 (UTC)
+
[[User:marxian|marxian]] 15:43, 1 October 2012 (UTC)

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