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gns3-server/gns3server/compute/builtin/builtin_node_factory.py

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#
# Copyright (C) 2016 GNS3 Technologies Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from ..error import NodeError
from .nodes.cloud import Cloud
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from .nodes.nat import Nat
from .nodes.ethernet_hub import EthernetHub
from .nodes.ethernet_switch import EthernetSwitch
import logging
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log = logging.getLogger(__name__)
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BUILTIN_NODES = {"cloud": Cloud, "nat": Nat, "ethernet_hub": EthernetHub, "ethernet_switch": EthernetSwitch}
class BuiltinNodeFactory:
"""
Factory to create an builtin object based on the node type.
"""
def __new__(cls, name, node_id, project, manager, node_type, **kwargs):
if node_type not in BUILTIN_NODES:
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raise NodeError(f"Unknown node type: {node_type}")
return BUILTIN_NODES[node_type](name, node_id, project, manager, **kwargs)