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How to use constructor_called method in pytractor

Best Python code snippet using pytractor_python

test_pipeline.py

Source:test_pipeline.py

...79                    f.flush()80            def __call__(self, arg: str):81                return arg82        msg = "hello"83        def constructor_called():84            with open(tmp.name, "r") as f:85                return f.read() == msg86        file_writer = FileWriter(tmp.name, msg)87        assert not constructor_called()88        writer_pipeline = file_writer(pipeline.INPUT)89        assert not constructor_called()90        assert writer_pipeline.deploy().call("hi") == "hi"91        assert constructor_called()92@pytest.mark.parametrize("execution_mode", ALL_EXECUTION_MODES)93@enable_local_execution_mode_only94def test_mix_classes_and_functions(execution_mode, shared_ray_instance):95    @pipeline.step(execution_mode=execution_mode)96    class GreeterStep1:97        def __init__(self, greeting: str):98            self._greeting = greeting99        def __call__(self, name: str):100            return f"{self._greeting} {name}!"101    @pipeline.step(execution_mode=execution_mode)102    def greeter_step_2(name: str):103        return f"How's it hanging, {name}?"104    @pipeline.step(execution_mode=execution_mode)105    def combiner(greeting1: str, greeting2: str):...

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