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How to use get_pre_tasks_from_runnable method in avocado

Best Python code snippet using avocado_python

runtime.py

Source:runtime.py

...156            job_id=job_id,157        )158        return cls(task)159    @classmethod160    def get_pre_tasks_from_runnable(cls, runnable, status_server_uri=None, job_id=None):161        """Creates runtime tasks for preTest task from runnable162        :param runnable: the "description" of what the task should run.163        :type runnable: :class:`avocado.core.nrunner.Runnable`164        :param status_server_uri: the URIs for the status servers that this165                                  task should send updates to.166        :type status_server_uri: list167        :param job_id: the ID of the job, for authenticating messages that get168                       sent to the destination job's status server and will169                       make into the job's results.170        :type job_id: str171        :returns: Pre RuntimeTasks of the dependencies from runnable172        :rtype: list173        """174        pre_runnables = list(175            chain.from_iterable(176                TestPreDispatcher().map_method_with_return(177                    "pre_test_runnables", runnable178                )179            )180        )181        pre_test_tasks = []182        for pre_runnable in pre_runnables:183            pre_task = cls.from_runnable(pre_runnable, status_server_uri, job_id)184            pre_test_tasks.append(pre_task)185        return pre_test_tasks186class RuntimeTaskGraph:187    """Graph representing dependencies between runtime tasks."""188    def __init__(self, tests, test_suite_name, status_server_uri, job_id):189        """Instantiates a new RuntimeTaskGraph.190        From the list of tests, it will create runtime tasks and connects them191        inside the graph by its dependencies.192        :param tests: variants of runnables from test suite193        :type tests: list194        :param test_suite_name: test suite name which this test is related to195        :type test_suite_name: str196        :param status_server_uri: the URIs for the status servers that this197                                  task should send updates to.198        :type status_server_uri: list199        :param job_id: the ID of the job, for authenticating messages that get200                       sent to the destination job's status server and will201                       make into the job's results.202        :type job_id: str203        """204        self.graph = {}205        # create graph206        no_digits = len(str(len(tests)))207        for index, (runnable, variant) in enumerate(tests, start=1):208            runnable = deepcopy(runnable)209            runtime_test = RuntimeTask.from_runnable(210                runnable,211                no_digits,212                index,213                variant,214                test_suite_name,215                status_server_uri,216                job_id,217            )218            self.graph[runtime_test] = runtime_test219            # with --dry-run we don't want to run dependencies220            if runnable.kind != "dry-run":221                pre_tasks = PreRuntimeTask.get_pre_tasks_from_runnable(222                    runnable, status_server_uri, job_id223                )224                if pre_tasks:225                    pre_tasks.append(runtime_test)226                    self._connect_tasks(pre_tasks)227    def _connect_tasks(self, tasks):228        for dependency, task in zip(tasks, tasks[1:]):229            self.graph[task] = task230            self.graph[dependency] = dependency231            task.dependencies.append(dependency)232    def get_tasks_in_topological_order(self):233        """Computes the topological order of runtime tasks in graph234        :returns: runtime tasks in topological order235        :rtype: list...

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