Copy data from a "Read it later" account to an "Instapaper" account

ril.py

import urllib
import urllib2

import simplejson as json

API_KEY  = '37dp9fcqA1299u9aK7gc2c2C84ddnd78'
API_ROOT = 'https://readitlaterlist.com/v2/'

class RILError(Exception):
    pass

class RIL(object):
    def __init__(self, username, password):
        self.username = username
        self.password = password
        if not self.auth():
            raise RILError("Invalid login")

    def _query(self, method, **kwds):
        kwds["apikey"] = API_KEY
        kwds["username"] = self.username
        kwds["password"] = self.password
        params = urllib.urlencode(kwds)
        url = "%s%s?%s" % (API_ROOT, method, params)
        try:
            u = urllib2.urlopen(url)
            return u.getcode(), u.read()
        except urllib2.HTTPError, e:
            return e.getcode(), e.read()
        

    def auth(self):
        code, data = self._query("auth")
        return code == 200

    def get(self, **kwds):
        kwds["format"] = "json"
        code, data = self._query("get", **kwds)
        assert code == 200
        return json.loads(data, "latin-1")

ril2ip.py

#!/usr/bin/env python2
# -*- coding: utf-8 -*-

# This is a simple tool to export data from Read it later to Instapaper.
# Just download instapaperlib (frop PyPI), ril.py (here), edit this file with your
# own usernames and passwords, and you're good to go.
# Warning: this tool is *very* dubm, use it at your own risks! ;)

import instapaperlib # Available on PyPI
import ril           # Available in this Gist :)
import sys

r = ril.RIL(RIL_USERNAME, RIL_PASSWORD)
ip = instapaperlib.Instapaper(IP_USERNAME, IP_PASSWORD)
assert ip.auth()[0] == 200

src = r.get()
assert src["status"] == 1

keys = src["list"].keys()
keys.sort(key=int)
tot = len(keys)

for n in xrange(tot):
    item = src["list"][keys[n]]
    sys.stdout.write("\r\033[0K[%d/%d] %s" % (n+1, tot, item["title"].encode("utf-8")))
    sys.stdout.flush()

    code, msg = ip.add_item(item["url"], item["title"].encode("utf-8"))
    if code != 201:
        print "\nError: %s" % msg
        sys.exit(1)

print "\n%d items added" % len(src["list"])