How to use _filter_tasks_by_tags method in locust

Best Python code snippet using locust

env.py

Source:env.py

...74        self.reset_stats = reset_stats75        self.stop_timeout = stop_timeout76        self.catch_exceptions = catch_exceptions77        self.parsed_options = parsed_options78        self._filter_tasks_by_tags()79    def _create_runner(self, runner_class, *args, **kwargs):80        if self.runner is not None:81            raise RunnerAlreadyExistsError("Environment.runner already exists (%s)" % self.runner)82        self.runner = runner_class(self, *args, **kwargs)83        # Attach the runner to the shape class so that the shape class can access user count state84        if self.shape_class:85            self.shape_class.runner = self.runner86        return self.runner87    def create_local_runner(self):88        """89        Create a :class:`LocalRunner <locust.runners.LocalRunner>` instance for this Environment90        """91        return self._create_runner(LocalRunner)92    def create_master_runner(self, master_bind_host="*", master_bind_port=5557):93        """94        Create a :class:`MasterRunner <locust.runners.MasterRunner>` instance for this Environment95        :param master_bind_host: Interface/host that the master should use for incoming worker connections.96                                 Defaults to "*" which means all interfaces.97        :param master_bind_port: Port that the master should listen for incoming worker connections on98        """99        return self._create_runner(100            MasterRunner,101            master_bind_host=master_bind_host,102            master_bind_port=master_bind_port,103        )104    def create_worker_runner(self, master_host, master_port):105        """106        Create a :class:`WorkerRunner <locust.runners.WorkerRunner>` instance for this Environment107        :param master_host: Host/IP of a running master node108        :param master_port: Port on master node to connect to109        """110        # Create a new RequestStats with use_response_times_cache set to False to save some memory111        # and CPU cycles, since the response_times_cache is not needed for Worker nodes112        self.stats = RequestStats(use_response_times_cache=False)113        return self._create_runner(114            WorkerRunner,115            master_host=master_host,116            master_port=master_port,117        )118    def create_web_ui(119        self,120        host="",121        port=8089,122        auth_credentials=None,123        tls_cert=None,124        tls_key=None,125        stats_csv_writer=None,126        delayed_start=False,127    ):128        """129        Creates a :class:`WebUI <locust.web.WebUI>` instance for this Environment and start running the web server130        :param host: Host/interface that the web server should accept connections to. Defaults to ""131                     which means all interfaces132        :param port: Port that the web server should listen to133        :param auth_credentials: If provided (in format "username:password") basic auth will be enabled134        :param tls_cert: An optional path (str) to a TLS cert. If this is provided the web UI will be135                         served over HTTPS136        :param tls_key: An optional path (str) to a TLS private key. If this is provided the web UI will be137                        served over HTTPS138        :param stats_csv_writer: `StatsCSV <stats_csv.StatsCSV>` instance.139        :param delayed_start: Whether or not to delay starting web UI until `start()` is called. Delaying web UI start140                              allows for adding Flask routes or Blueprints before accepting requests, avoiding errors.141        """142        self.web_ui = WebUI(143            self,144            host,145            port,146            auth_credentials=auth_credentials,147            tls_cert=tls_cert,148            tls_key=tls_key,149            stats_csv_writer=stats_csv_writer,150            delayed_start=delayed_start,151        )152        return self.web_ui153    def _filter_tasks_by_tags(self):154        """155        Filter the tasks on all the user_classes recursively, according to the tags and156        exclude_tags attributes157        """158        if self.tags is not None:159            self.tags = set(self.tags)160        if self.exclude_tags is not None:161            self.exclude_tags = set(self.exclude_tags)162        for user_class in self.user_classes:...

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