fix flask_nameko bug 3

chassis/flask_nameko/connection_pool.py

@@ -19,18 +19,15 @@ class Connection(object):
     def __getattr__(self, attr):
         return getattr(self.connection, attr)
 
-    def __del__(self):
-        self.connection.stop()
-
 
 class ConnectionPool(object):
     def __init__(
-        self, connection, initial_connections=2, max_connections=8,
+        self, get_connection, initial_connections=2, max_connections=8,
         recycle=None
     ):
         """
         Create a new pool
-        :param func connection: The connection
+        :param func get_connection: The function that returns a connection
         :param int initial_connections: The initial number of connection
           objects to create
         :param int max_connections: The maximum amount of connections
@@ -40,7 +37,7 @@ class ConnectionPool(object):
           :meth:`release_connection`
         constructor
         """
-        self._connection = connection
+        self._get_connection = get_connection
         self._queue = Queue()
         self._current_connections = 0
         self._max_connections = max_connections
@@ -52,7 +49,7 @@ class ConnectionPool(object):
             self._queue.put(connection)
 
     def _make_connection(self):
-        ret = Connection(self._connection)
+        ret = Connection(self._get_connection())
         self._current_connections += 1
         return ret