Exception handling compatible with Python 3.x

Author: UnderGreen

library/mongodb_replication.py

@@ -236,7 +236,7 @@ def add_host(module, client, host_name, host_port, host_type, timeout=180, **kwa
             cfg['members'].append(new_host)
             admin_db.command('replSetReconfig', cfg)
             return
-        except (OperationFailure, AutoReconnect), e:
+        except (OperationFailure, AutoReconnect) as e:
             timeout = timeout - 5
             if timeout <= 0:
                 module.fail_json(msg='reached timeout while waiting for rs.reconfig(): %s' % str(e))
@@ -265,7 +265,7 @@ def remove_host(module, client, host_name, timeout=180):
                 else:
                     fail_msg = "couldn't find member with hostname: {0} in replica set members list".format(host_name)
                     module.fail_json(msg=fail_msg)
-        except (OperationFailure, AutoReconnect), e:
+        except (OperationFailure, AutoReconnect) as e:
             timeout = timeout - 5
             if timeout <= 0:
                 module.fail_json(msg='reached timeout while waiting for rs.reconfig(): %s' % str(e))
@@ -374,9 +374,9 @@ def main():
                 wait_for_ok_and_master(module, client)
                 replica_set_created = True
                 module.exit_json(changed=True, host_name=host_name, host_port=host_port, host_type=host_type)
-        except OperationFailure, e:
+        except OperationFailure as e:
             module.fail_json(msg='Unable to initiate replica set: %s' % str(e))
-    except ConnectionFailure, e:
+    except ConnectionFailure as e:
         module.fail_json(msg='unable to connect to database: %s' % str(e))
 
     check_compatibility(module, client)
@@ -394,13 +394,13 @@ def main():
                         priority        = float(module.params['priority']),
                         slave_delay     = module.params['slave_delay'],
                         votes           = module.params['votes'])
-        except OperationFailure, e:
+        except OperationFailure as e:
             module.fail_json(msg='Unable to add new member to replica set: %s' % str(e))
 
     elif state == 'absent':
         try:
             remove_host(module, client, host_name)
-        except OperationFailure, e:
+        except OperationFailure as e:
             module.fail_json(msg='Unable to remove member of replica set: %s' % str(e))
 
     module.exit_json(changed=True, host_name=host_name, host_port=host_port, host_type=host_type)