PushBullet notifications when files change in Dropbox

PushBox.py

#!/usr/bin/env python

import time
import shelve
# dropbox uses posix paths and this script should work on windows too
import posixpath
from StringIO import StringIO

from dropbox import client, rest, session
import requests


WATCH_DIR = '/'




# dropbox is case insensitive
WATCH_DIR = WATCH_DIR.lower()
# tailing / so that foo doesn't match foobar
if not WATCH_DIR.endswith('/'):
    WATCH_DIR += '/'

shelf = shelve.open('secrets')
if 'pushbullet_api_key' not in shelf:
    shelf['pushbullet_api_key'] = raw_input('PushBullet API Key: ')
if 'api_key' not in shelf:
    shelf['api_key'] = raw_input('Dropbox API Key: ')
if 'api_secret' not in shelf:
    shelf['api_secret'] = raw_input('Dropbox API Secret: ')

sess = session.DropboxSession(shelf['api_key'], shelf['api_secret'], 'dropbox')

if 'token_key' not in shelf:
    request_token = sess.obtain_request_token()

    # Make the user sign in and authorize this token
    print "url:", sess.build_authorize_url(request_token)
    print "Please visit this website and press the 'Allow' button, then hit",
    print "'Enter' here."
    raw_input()

    # This will fail if the user didn't visit the above URL and hit 'Allow'
    access_token = sess.obtain_access_token(request_token)
    shelf['token_key'] = access_token.key
    shelf['token_secret'] = access_token.secret

sess.set_token(shelf['token_key'], shelf['token_secret'])

device_id = requests.get('https://www.pushbullet.com/api/devices',
                         auth=(shelf['pushbullet_api_key'], ''))\
                                 .json()['devices'][0]['id']

client = client.DropboxClient(sess)
resp = client.delta()

while True:
    resp = client.delta(cursor=resp['cursor'])
    changes = []
    for entry, meta in resp['entries']:
        if meta is None or  meta['is_dir'] or \
                not (posixpath.split(entry)[0] + '/').startswith(WATCH_DIR):
            continue
        file_ = StringIO(client.get_file(entry).read())
        file_.name = posixpath.split(entry)[1]

        requests.post('https://www.pushbullet.com/api/pushes',
                      auth=(shelf['pushbullet_api_key'], ''),
                      files=dict(file=file_),
                      data=dict(device_id=device_id, type='file'))


    time.sleep(5*60)

requirements.txt

dropbox
requests