instapaper_xauth.py

from __future__ import unicode_literals
from urlparse import parse_qs
import requests
from requests_oauthlib import OAuth1

key = "key"
secret ="secret"

oauth = OAuth1(key, secret)

instaaccount = "username"
instapassword = "password"

params = {}
params["x_auth_username"] = instaaccount
params["x_auth_password"] = instapassword
params["x_auth_mode"] = 'client_auth'

request_token_url = 'https://www.instapaper.com/api/1/oauth/access_token'

r = requests.post(url=request_token_url, auth=oauth, data=params)
credentials = parse_qs(r.content)
oauth_token = credentials.get('oauth_token')[0]
oauth_secret = credentials.get('oauth_token_secret')[0]

oauth = OAuth1(key, secret+"&"+oauth_secret, oauth_token)
list_url = 'https://www.instapaper.com/api/1/bookmarks/list'
params = {
    "username": instaaccount,
    "password": instapassword
}
r = requests.post(list_url, auth=oauth, data=params)