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import copy
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from ..utils import Registry
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RUNNERS = Registry('runner')
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RUNNER_BUILDERS = Registry('runner builder')
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def build_runner_constructor(cfg):
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return RUNNER_BUILDERS.build(cfg)
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def build_runner(cfg, default_args=None):
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runner_cfg = copy.deepcopy(cfg)
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constructor_type = runner_cfg.pop('constructor',
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'DefaultRunnerConstructor')
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runner_constructor = build_runner_constructor(
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dict(
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type=constructor_type,
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runner_cfg=runner_cfg,
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default_args=default_args))
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runner = runner_constructor()
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return runner
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