Google Reader backup script

The "subscriptions.xml" file can be obtained from Google TakeOut export. It is just an OPML file that might be imported into another RSS Reader.

#!/usr/bin/env python

import os
import urllib
import re


def downloadData(feed):
 feed = urllib.quote_plus(feed)
 url = "http://www.google.com/reader/api/0/stream/contents/feed/"+feed+"?n=9999"
 urllib.urlretrieve(url, feed)

def parseFile():
 result = []
 f = open("subscriptions.xml", "r")
 xmlUrl = re.compile(r'.*xmlUrl="(.*?)"')
 for line in f.readlines():
  m = xmlUrl.match(line)
  if m!=None:
   result.append(m.group(1))
 return result
   
if __name__=="__main__":
 feeds = parseFile()
 for feed in feeds:
  downloadData(feed)