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# vim: set filencoding=utf8
"""
Remember The Milk Authentication
@author: Mike Crute (mcrute@ag.com)
@organization: American Greetings Interactive
@date: February 03, 2010
"""
import json
import urllib
from logging import getLogger
from hashlib import md5
from milkman import API_URL
logger = getLogger('rtmapi')
class APIPerms(object):
READ = "read"
WRITE = "write"
DELETE = "delete"
def flatten_sorted_dict(in_dict):
items = sorted(in_dict.items())
flat_items = [''.join(item) for item in items]
return ''.join(flat_items)
class APIError(Exception):
pass
class Request(object):
def __init__(self, api_key, secret, service='rest'):
self.service = service
self.secret = secret
self.params = {
'format': 'json',
'api_key': api_key,
}
@classmethod
def get_factory(cls, api_key, secret):
return lambda: cls(api_key, secret)
@property
def url(self):
self._sign_request()
params = urllib.urlencode(self.params)
return '{0}/{1}?{2}'.format(API_URL, self.service, params)
def _sign_request(self):
param_string = self.secret
param_string += flatten_sorted_dict(self.params)
self.params['api_sig'] = md5(param_string).hexdigest()
def __setitem__(self, key, value):
self.params[key] = value
def __getitem__(self, key):
return self.params[key]
def _parse_json_data(self, data):
body = data['rsp']
status = body['stat']
if status == 'fail':
error = APIError(body['err']['msg'])
error.code = int(body['err']['code'])
raise error
del body['stat']
return body
def execute(self):
data = urllib.urlopen(self.url)
raw_data = data.read()
json_data = json.loads(raw_data)
return self._parse_json_data(json_data)
class Authenticator(object):
def __init__(self, request_factory):
self.request_factory = request_factory
self.token = None
def authenticate(self, token=None):
if token:
self.token = token
if not self.check_token(self.token):
raw_input("Please visit: {0}".format(self.get_auth_url()))
self.token = self.get_token()
def get_auth_url(self):
req = self.request_factory()
req.service = 'auth'
req['perms'] = APIPerms.DELETE
req['frob'] = self._get_frob()
return req.url
def _get_frob(self):
req = self.request_factory()
req['method'] = 'rtm.auth.getFrob'
self.frob = req.execute()['frob']
return self.frob
def get_token(self):
req = self.request_factory()
req['method'] = 'rtm.auth.getToken'
req['frob'] = self.frob
print req.execute()
def check_token(self, token):
if not token:
return False
req = self.request_factory()
req['method'] = 'rtm.auth.checkToken'
req['token'] = token
try:
req.execute()
return True
except APIError, err:
if err.code == 98:
return False
raise
class APIConnection(object):
def __init__(self, api_key, secret):
self.request_factory = Request.get_factory(api_key, secret)
self.auth = Authenticator(self.request_factory)
def authenticate(self, token=None):
self.auth.authenticate(token)
print self.auth.token
def get_lists(self):
req = self.request_factory()
req['method'] = 'rtm.lists.getList'
req['auth_token'] = self.auth.token
print req.execute()
if __name__ == '__main__':
API_KEY = "38816a01a7937588081d33ea74b6f5ee"
SECRET = "d4caed275cf9a63e"
TOKEN = "54f3378cb114e6cc330e1c2fd34a11e96e2a26c5"
api = APIConnection(API_KEY, SECRET)
api.authenticate(TOKEN)
api.get_lists()
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