Updated mdbcache to use the new MongoClient class and specific version of pymongo in setup.py.

Connection class has been deprecated and was removed in pymongo 3.0.

Author: Rebecka Gulliksson

setup.py

@@ -37,7 +37,7 @@ def run_tests(self):
 tests_require = [
     'mongodict',
     'pyasn1',
-    'pymongo',
+    'pymongo==3.0.1',
     'python-memcached == 1.51',
     'pytest',
     'mako',

src/saml2/mdbcache.py

@@ -1,9 +1,9 @@
 #!/usr/bin/env python
 import logging
+from pymongo.mongo_client import MongoClient
 
 __author__ = 'rolandh'
 
-from pymongo import Connection
 #import cjson
 import time
 from datetime import datetime
@@ -18,9 +18,9 @@
 class Cache(object):
     def __init__(self, server=None, debug=0, db=None):
         if server:
-            connection = Connection(server)
+            connection = MongoClient(server)
         else:
-            connection = Connection()
+            connection = MongoClient()
 
         if db:
             self._db = connection[db]