#! /usr/bin/env python

import os, sys, datetime

home = os.getenv("HOME")
droidurls = '/droidsd/feeds/saved-urls'
#rssfile = os.path.join(home, ".plucker/html/xtraurls.rss")
rssfile = os.path.join(home, "feeds/xtraurls.rss")
urlarchive = os.path.join(home, "Docs/Lists/xtraurls.html")

ifp = None
ofp = None
archivefp = None

try :
    ifp = open(droidurls, "r")
except :
    print "No urls to back up"
    try :
        os.unlink(rssfile)
    except :
        pass
    sys.exit(0)

numurls = 0

while 1 :
    line = ifp.readline().strip()   # Remove newline, as well as any spaces
    if not line : break
    if line == '' : continue

    # If this is the first one, we need to open output files
    if numurls == 0 :
        # Remove the old rss file if there is one:
        try :
            os.unlink(rssfile)
        except :
            pass
        ofp = open(rssfile, "w")
        print >>ofp, """<rss version="0.91">
<channel>
  <title>FeedMe URLs</title>
  <description>Plucker Saved URLs</description>
  <language>en</language>"""
        try :
            archivefp = open(urlarchive, "a")
            print >>archivefp, "<h4>Feedme URLs %s</h4>" \
                % datetime.datetime.now().ctime()
        except :
            pass

    numurls += 1
    print >>ofp, """
<item>
  <title>%s</title>
  <description>%s</description>
  <link>%s</link>
</item>""" % (line, line, line)

    if archivefp :
        print >>archivefp, "<a href='%s'>%s</a>" % (line, line)

print >>ofp, """</channel>
</rss>"""

ifp.close()
ofp.close()
if archivefp :
    archivefp.close()

# If we got this far, we've retrieved the URLs, so clear the file.
# Eventually we should just unlink, but for now, lets be save and
# keep a backup:
os.system("cat %s >>%s/feeds/droidurls" % (droidurls, home))
os.unlink(droidurls)
if numurls > 0 :
    print "Saved %s urls to %s" % (numurls, rssfile)