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How to use wait_for_env_startup method in tox

Best Python code snippet using tox_python

test_parallel_interrupt.py

Source:test_parallel_interrupt.py

...47        import psutil48        current_process = psutil.Process(process.pid)49    except ImportError:50        current_process = None51    wait_for_env_startup(process)52    all_children = []53    if current_process is not None:54        all_children.append(current_process)55        all_children.extend(current_process.children(recursive=True))56        assert len(all_children) >= 1 + 2 + 2, all_children57    end = datetime.now() - start58    assert end59    process.send_signal(signal.CTRL_C_EVENT if sys.platform == "win32" else signal.SIGINT)60    process.wait()61    out, err = capfd.readouterr()62    output = "{}\n{}".format(out, err)63    assert "KeyboardInterrupt parallel - stopping children" in output, output64    assert "ERROR:   a: parallel child exit code " in output, output65    assert "ERROR:   b: parallel child exit code " in output, output66    for process in all_children:67        msg = "{}{}".format(output, "\n".join(repr(i) for i in all_children))68        assert not process.is_running(), msg69def wait_for_env_startup(process):70    """the environments will write files once they are up"""71    signal_files = [Path() / "a", Path() / "b"]72    found = False73    while True:74        if process.poll() is not None:75            break76        for signal_file in signal_files:77            if not signal_file.exists():78                break79        else:80            found = True81            break82    if not found or process.poll() is not None:83        missing = [f for f in signal_files if not f.exists()]...

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