1 files changed, 92 insertions, 0 deletions
diff --git a/contrib/picoLCD/rsstimer.py b/contrib/picoLCD/rsstimer.py
new file mode 100644
index 0000000..5da92ea
--- /dev/null
+++ b/contrib/picoLCD/rsstimer.py
@@ -0,0 +1,92 @@
+import feedparser
+import time
+import datetime
+import tempfile
+import linecache
+
+# temporary file used to store rss entries
+filename = "/tmp/rsstimer.tmp"
+# interval in seconds between rss updates
+updateinterval = 60
+
+# lcd4linux permits only 1 parameter passed to the function
+# we send the rss title id with the ! spacer
+def getfeed(rssfeed):
+    print rssfeed
+    idx = 0
+    feed = rssfeed.split('!')[0]
+    idx = int(rssfeed.split('!')[-1])
+    if (idx <= 0): idx = 1;
+    
+    oldfeed = fgetfeed()
+    
+    if (oldfeed != feed):
+	lastupdate = 0
+	print "Feed changed refresing"
+    else:
+        lastupdate = fgetseconds()
+    
+    if (lastupdate <= 0):
+	saverss(feed)
+    else:
+	now = getseconds()
+	delta = now - lastupdate
+	if (delta > updateinterval):
+	    print "Last update: " + str(delta) + " seconds ago. Updating the rss entries."
+	    saverss(feed)
+    # first line in the file is the timestamp second is the feed url
+    output = linecache.getline(filename, idx + 2)
+    print output
+    return output
+	
+def getseconds():
+    ts = datetime.datetime.now()
+    return time.mktime(ts.timetuple())
+
+def fgetseconds():
+    try:
+	f = open(filename, "r")
+    except IOError:
+	print "Cannot get timestamp from file"
+	return 0
+    else:
+	return float(f.readline())
+
+def fgetfeed():
+    try:
+	f = open(filename, "r")
+    except IOError:
+	print "Cannot get feed from file"
+	return ' '
+    else:
+	# skip first line 
+	f.readline()
+	return f.readline().rstrip("\n")
+
+	
+def saverss(rssfeed):
+    linecache.clearcache()
+    f = open(filename, "w")
+    # save timestamp
+    f.write(str(getseconds()))
+    f.write("\n")
+    # save feed url
+    f.write(rssfeed)
+    f.write("\n")
+    print "Downloading the rss feed from: " + rssfeed
+    feed = feedparser.parse(rssfeed)
+    for entry in feed.entries:
+	f.write(entry.title)
+	f.write("\n")
+    f.close
+    print "Done"
+
+def printrss():
+    f = open(filename, "r")
+    f.readline()
+    for line in f:
+	print line
+	
+#print getfeed("http://slashdot.org/slashdot.rdf!5")
+print getfeed("http://www.linux.com/feed?theme=rss!1")
+