[FIX]: add method to close all connections created by ServerProxy tinyerp#7

Author: arkhan

odooly.py

@@ -1015,6 +1015,7 @@ class Client(object):
     def __init__(
         self, server, db=None, user=None, password=None, transport=None, verbose=False
     ):
+        self.connections = list()
         self._set_services(server, transport, verbose)
         self.env = Env(self)
         if db:  # Try to login
@@ -1067,6 +1068,7 @@ def _proxy_xmlrpc(self, name):
         proxy = ServerProxy(
             self._server + "/" + name, transport=self._transport, allow_none=True
         )
+        self.connections.append(proxy)
         return proxy._ServerProxy__request
 
     def _proxy_jsonrpc(self, name):
@@ -1088,6 +1090,11 @@ def from_config(cls, environment, user=None, verbose=False):
         client.login(user or conf_user, password=password, database=db)
         return client
 
+    def close(self):
+        for conn in self.connections:
+            conn.__exit__()
+        return True
+
     def __repr__(self):
         return "<Client '%s#%s'>" % (self._server, self.env.db_name)