How to use _poll_async_commands method in autotest

Best Python code snippet using autotest_python

drone_utility.py

Source:drone_utility.py

...266    def wait_for_all_async_commands(self):267        for subproc in self._subcommands:268            subproc.fork_waitfor()269        self._subcommands = []270    def _poll_async_commands(self):271        still_running = []272        for subproc in self._subcommands:273            if subproc.poll() is None:274                still_running.append(subproc)275        self._subcommands = still_running276    def _wait_for_some_async_commands(self):277        self._poll_async_commands()278        max_processes = scheduler_config.config.max_transfer_processes279        while len(self._subcommands) >= max_processes:280            time.sleep(1)281            self._poll_async_commands()282    def run_async_command(self, function, args):283        subproc = subcommand.subcommand(function, args)284        self._subcommands.append(subproc)285        subproc.fork_start()286    def _sync_get_file_from(self, hostname, source_path, destination_path):287        self._ensure_directory_exists(os.path.dirname(destination_path))288        host = create_host(hostname)289        host.get_file(source_path, destination_path, delete_dest=True)290    def get_file_from(self, hostname, source_path, destination_path):291        self.run_async_command(self._sync_get_file_from,292                               (hostname, source_path, destination_path))293    def sync_send_file_to(self, hostname, source_path, destination_path,294                          can_fail):295        host = create_host(hostname)...

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