mirror of
https://github.com/netfun2000/lcd4linux.git
synced 2026-02-27 09:44:34 +08:00
64522a267d
git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@986 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
93 lines
2.0 KiB
Python
93 lines
2.0 KiB
Python
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")
|
|
|