Engine: Async run

docs/source/reference/command_line.rst

@@ -451,7 +451,7 @@ Below is a list with all available subcommands.
       --broker-host HOSTNAME          Hostname for the message broker.  [default: 127.0.0.1]
       --broker-port INTEGER           Port for the message broker.  [default: 5672]
       --broker-virtual-host TEXT      Name of the virtual host for the message broker without
-                                      leading forward slash.  [default: ""]
+                                      leading forward slash.
       --repository DIRECTORY          Absolute path to the file repository.
       --test-profile                  Designate the profile to be used for running the test
                                       suite only.

src/aiida/engine/daemon/execmanager.py

@@ -62,7 +62,7 @@
     return data_node
 
 
-def upload_calculation(
+async def upload_calculation(
     node: CalcJobNode,
     transport: Transport,
     calc_info: CalcInfo,
@@ -206,15 +206,15 @@
 
     for file_copy_operation in file_copy_operation_order:
         if file_copy_operation is FileCopyOperation.LOCAL:
-            _copy_local_files(logger, node, transport, inputs, local_copy_list, workdir=workdir)
+            await _copy_local_files(logger, node, transport, inputs, local_copy_list, workdir=workdir)
         elif file_copy_operation is FileCopyOperation.REMOTE:
             if not dry_run:
-                _copy_remote_files(
+                await _copy_remote_files(
                     logger, node, computer, transport, remote_copy_list, remote_symlink_list, workdir=workdir
                 )
         elif file_copy_operation is FileCopyOperation.SANDBOX:
             if not dry_run:
-                _copy_sandbox_files(logger, node, transport, folder, workdir=workdir)
+                await _copy_sandbox_files(logger, node, transport, folder, workdir=workdir)
         else:
             raise RuntimeError(f'file copy operation {file_copy_operation} is not yet implemented.')
 
@@ -279,7 +279,7 @@
     return None
 
 
-def _copy_remote_files(logger, node, computer, transport, remote_copy_list, remote_symlink_list, workdir: Path):
+async def _copy_remote_files(logger, node, computer, transport, remote_copy_list, remote_symlink_list, workdir: Path):
     """Perform the copy instructions of the ``remote_copy_list`` and ``remote_symlink_list``."""
     for remote_computer_uuid, remote_abs_path, dest_rel_path in remote_copy_list:
         if remote_computer_uuid == computer.uuid:
@@ -328,7 +328,7 @@
             )
 
 
-def _copy_local_files(logger, node, transport, inputs, local_copy_list, workdir: Path):
+async def _copy_local_files(logger, node, transport, inputs, local_copy_list, workdir: Path):
     """Perform the copy instructions of the ``local_copy_list``."""
     for uuid, filename, target in local_copy_list:
         logger.debug(f'[submission of calculation {node.uuid}] copying local file/folder to {target}')
@@ -386,7 +386,7 @@
                 transport.put(str(filepath_target), str(workdir.joinpath(target)))
 
 
-def _copy_sandbox_files(logger, node, transport, folder, workdir: Path):
+async def _copy_sandbox_files(logger, node, transport, folder, workdir: Path):
     """Copy the contents of the sandbox folder to the working directory."""
     for filename in folder.get_content_list():
         logger.debug(f'[submission of calculation {node.pk}] copying file/folder {filename}...')
@@ -423,7 +423,7 @@
     return result
 
 
-def stash_calculation(calculation: CalcJobNode, transport: Transport) -> None:
+async def stash_calculation(calculation: CalcJobNode, transport: Transport) -> None:
     """Stash files from the working directory of a completed calculation to a permanent remote folder.
 
     After a calculation has been completed, optionally stash files from the work directory to a storage location on the
@@ -488,7 +488,7 @@
     remote_stash.base.links.add_incoming(calculation, link_type=LinkType.CREATE, link_label='remote_stash')
 
 
-def retrieve_calculation(
+async def retrieve_calculation(
     calculation: CalcJobNode, transport: Transport, retrieved_temporary_folder: str
 ) -> FolderData | None:
     """Retrieve all the files of a completed job calculation using the given transport.
@@ -529,14 +529,14 @@
         retrieve_temporary_list = calculation.get_retrieve_temporary_list()
 
         with SandboxFolder(filepath_sandbox) as folder:
-            retrieve_files_from_list(calculation, transport, folder.abspath, retrieve_list)
+            await retrieve_files_from_list(calculation, transport, folder.abspath, retrieve_list)
             # Here I retrieved everything; now I store them inside the calculation
             retrieved_files.base.repository.put_object_from_tree(folder.abspath)
 
         # Retrieve the temporary files in the retrieved_temporary_folder if any files were
         # specified in the 'retrieve_temporary_list' key
         if retrieve_temporary_list:
-            retrieve_files_from_list(calculation, transport, retrieved_temporary_folder, retrieve_temporary_list)
+            await retrieve_files_from_list(calculation, transport, retrieved_temporary_folder, retrieve_temporary_list)
 
             # Log the files that were retrieved in the temporary folder
             for filename in os.listdir(retrieved_temporary_folder):
@@ -587,7 +587,7 @@
             )
 
 
-def retrieve_files_from_list(
+async def retrieve_files_from_list(
     calculation: CalcJobNode,
     transport: Transport,
     folder: str,

src/aiida/engine/processes/calcjobs/calcjob.py

@@ -524,7 +524,7 @@ def on_terminated(self) -> None:
         super().on_terminated()
 
     @override
-    def run(self) -> Union[plumpy.process_states.Stop, int, plumpy.process_states.Wait]:
+    async def run(self) -> Union[plumpy.process_states.Stop, int, plumpy.process_states.Wait]:
         """Run the calculation job.
 
         This means invoking the `presubmit` and storing the temporary folder in the node's repository. Then we move the
@@ -535,11 +535,11 @@ def run(self) -> Union[plumpy.process_states.Stop, int, plumpy.process_states.Wa
 
         """
         if self.inputs.metadata.dry_run:
-            self._perform_dry_run()
+            await self._perform_dry_run()
             return plumpy.process_states.Stop(None, True)
 
         if 'remote_folder' in self.inputs:
-            exit_code = self._perform_import()
+            exit_code = await self._perform_import()
             return exit_code
 
         # The following conditional is required for the caching to properly work. Even if the source node has a process
@@ -627,7 +627,7 @@ def _setup_inputs(self) -> None:
         if not self.node.computer:
             self.node.computer = self.inputs.code.computer
 
-    def _perform_dry_run(self):
+    async def _perform_dry_run(self):
         """Perform a dry run.
 
         Instead of performing the normal sequence of steps, just the `presubmit` is called, which will call the method
@@ -643,13 +643,13 @@ def _perform_dry_run(self):
         with LocalTransport() as transport:
             with SubmitTestFolder() as folder:
                 calc_info = self.presubmit(folder)
-                upload_calculation(self.node, transport, calc_info, folder, inputs=self.inputs, dry_run=True)
+                await upload_calculation(self.node, transport, calc_info, folder, inputs=self.inputs, dry_run=True)
                 self.node.dry_run_info = {  # type: ignore[attr-defined]
                     'folder': folder.abspath,
                     'script_filename': self.node.get_option('submit_script_filename'),
                 }
 
-    def _perform_import(self):
+    async def _perform_import(self):
         """Perform the import of an already completed calculation.
 
         The inputs contained a `RemoteData` under the key `remote_folder` signalling that this is not supposed to be run
@@ -669,7 +669,7 @@ def _perform_import(self):
                 with SandboxFolder(filepath_sandbox) as retrieved_temporary_folder:
                     self.presubmit(folder)
                     self.node.set_remote_workdir(self.inputs.remote_folder.get_remote_path())
-                    retrieved = retrieve_calculation(self.node, transport, retrieved_temporary_folder.abspath)
+                    retrieved = await retrieve_calculation(self.node, transport, retrieved_temporary_folder.abspath)
                     if retrieved is not None:
                         self.out(self.node.link_label_retrieved, retrieved)
                         self.update_outputs()

src/aiida/engine/processes/calcjobs/tasks.py

@@ -92,7 +92,7 @@
                 except Exception as exception:
                     raise PreSubmitException('exception occurred in presubmit call') from exception
                 else:
-                    remote_folder = execmanager.upload_calculation(node, transport, calc_info, folder)
+                    remote_folder = await execmanager.upload_calculation(node, transport, calc_info, folder)
                     if remote_folder is not None:
                         process.out('remote_folder', remote_folder)
                     skip_submit = calc_info.skip_submit or False
@@ -278,34 +278,27 @@
     cancellable: InterruptableFuture,
 ):
     """Transport task that will attempt to retrieve all files of a completed job calculation.
-
     The task will first request a transport from the queue. Once the transport is yielded, the relevant execmanager
     function is called, wrapped in the exponential_backoff_retry coroutine, which, in case of a caught exception, will
     retry after an interval that increases exponentially with the number of retries, for a maximum number of retries.
     If all retries fail, the task will raise a TransportTaskException
-
     :param process: the job calculation
     :param transport_queue: the TransportQueue from which to request a Transport
     :param retrieved_temporary_folder: the absolute path to a directory to store files
     :param cancellable: the cancelled flag that will be queried to determine whether the task was cancelled
-
     :raises: TransportTaskException if after the maximum number of retries the transport task still excepted
     """
     node = process.node
-
     if node.get_state() == CalcJobState.PARSING:
         logger.warning(f'CalcJob<{node.pk}> already marked as PARSING, skipping task_retrieve_job')
         return
-
     initial_interval = get_config_option(RETRY_INTERVAL_OPTION)
     max_attempts = get_config_option(MAX_ATTEMPTS_OPTION)
-
     authinfo = node.get_authinfo()
 
     async def do_retrieve():
         with transport_queue.request_transport(authinfo) as request:
             transport = await cancellable.with_interrupt(request)
-
             # Perform the job accounting and set it on the node if successful. If the scheduler does not implement this
             # still set the attribute but set it to `None`. This way we can distinguish calculation jobs for which the
             # accounting was called but could not be set.
@@ -314,7 +307,7 @@
 
             if node.get_job_id() is None:
                 logger.warning(f'there is no job id for CalcJobNoe<{node.pk}>: skipping `get_detailed_job_info`')
-                retrieved = execmanager.retrieve_calculation(node, transport, retrieved_temporary_folder)
+                retrieved = await execmanager.retrieve_calculation(node, transport, retrieved_temporary_folder)
             else:
                 try:
                     detailed_job_info = scheduler.get_detailed_job_info(node.get_job_id())
@@ -324,11 +317,10 @@
                 else:
                     node.set_detailed_job_info(detailed_job_info)
 
-                retrieved = execmanager.retrieve_calculation(node, transport, retrieved_temporary_folder)
+                retrieved = await execmanager.retrieve_calculation(node, transport, retrieved_temporary_folder)
 
             if retrieved is not None:
                 process.out(node.link_label_retrieved, retrieved)
-
             return retrieved
 
     try:
@@ -376,7 +368,7 @@
             transport = await cancellable.with_interrupt(request)
 
             logger.info(f'stashing calculation<{node.pk}>')
-            return execmanager.stash_calculation(node, transport)
+            return await execmanager.stash_calculation(node, transport)
 
     try:
         await exponential_backoff_retry(

src/aiida/engine/processes/functions.py

@@ -567,7 +567,7 @@ def _setup_db_record(self) -> None:
         self.node.store_source_info(self._func)
 
     @override
-    def run(self) -> 'ExitCode' | None:
+    async def run(self) -> 'ExitCode' | None:
         """Run the process."""
         from .exit_code import ExitCode
 

src/aiida/engine/processes/workchains/workchain.py

@@ -297,7 +297,7 @@ def _update_process_status(self) -> None:
 
     @override
     @Protect.final
-    def run(self) -> t.Any:
+    async def run(self) -> t.Any:
         self._stepper = self.spec().get_outline().create_stepper(self)  # type: ignore[arg-type]
         return self._do_step()
 

tests/engine/daemon/test_execmanager.py

@@ -16,6 +16,7 @@
 from aiida.common.datastructures import CalcInfo, CodeInfo, FileCopyOperation
 from aiida.common.folders import SandboxFolder
 from aiida.engine.daemon import execmanager
+from aiida.manage import get_manager
 from aiida.orm import CalcJobNode, FolderData, PortableCode, RemoteData, SinglefileData
 from aiida.transports.plugins.local import LocalTransport
 
@@ -124,10 +125,11 @@ def test_retrieve_files_from_list(
     target = tmp_path_factory.mktemp('target')
 
     create_file_hierarchy(file_hierarchy, source)
+    runner = get_manager().get_runner()
 
     with LocalTransport() as transport:
         node = generate_calcjob_node(workdir=source)
-        execmanager.retrieve_files_from_list(node, transport, target, retrieve_list)
+        runner.loop.run_until_complete(execmanager.retrieve_files_from_list(node, transport, target, retrieve_list))
 
     assert serialize_file_hierarchy(target, read_bytes=False) == expected_hierarchy
 
@@ -165,7 +167,8 @@ def test_upload_local_copy_list(
     calc_info.local_copy_list = [[folder.uuid] + local_copy_list]
 
     with node.computer.get_transport() as transport:
-        execmanager.upload_calculation(node, transport, calc_info, fixture_sandbox)
+        runner = get_manager().get_runner()
+        runner.loop.run_until_complete(execmanager.upload_calculation(node, transport, calc_info, fixture_sandbox))
 
     # Check that none of the files were written to the repository of the calculation node, since they were communicated
     # through the ``local_copy_list``.
@@ -202,7 +205,8 @@ def test_upload_local_copy_list_files_folders(
     ]
 
     with node.computer.get_transport() as transport:
-        execmanager.upload_calculation(node, transport, calc_info, fixture_sandbox)
+        runner = get_manager().get_runner()
+        runner.loop.run_until_complete(execmanager.upload_calculation(node, transport, calc_info, fixture_sandbox))
 
     # Check that none of the files were written to the repository of the calculation node, since they were communicated
     # through the ``local_copy_list``.
@@ -233,7 +237,8 @@ def test_upload_remote_symlink_list(
     ]
 
     with node.computer.get_transport() as transport:
-        execmanager.upload_calculation(node, transport, calc_info, fixture_sandbox)
+        runner = get_manager().get_runner()
+        runner.loop.run_until_complete(execmanager.upload_calculation(node, transport, calc_info, fixture_sandbox))
 
     filepath_workdir = pathlib.Path(node.get_remote_workdir())
     assert (filepath_workdir / 'file_a.txt').is_symlink()
@@ -297,7 +302,8 @@ def test_upload_file_copy_operation_order(node_and_calc_info, tmp_path, order, e
         calc_info.file_copy_operation_order = order
 
     with node.computer.get_transport() as transport:
-        execmanager.upload_calculation(node, transport, calc_info, sandbox, inputs)
+        runner = get_manager().get_runner()
+        runner.loop.run_until_complete(execmanager.upload_calculation(node, transport, calc_info, sandbox, inputs))
         filepath = pathlib.Path(node.get_remote_workdir()) / 'file.txt'
         assert filepath.is_file()
         assert filepath.read_text() == expected
@@ -568,18 +574,20 @@ def test_upload_combinations(
         calc_info.remote_copy_list.append(
             (node.computer.uuid, (sub_tmp_path_remote / source_path).as_posix(), target_path)
         )
-
+    runner = get_manager().get_runner()
     if expected_exception is not None:
         with pytest.raises(expected_exception):
             with node.computer.get_transport() as transport:
-                execmanager.upload_calculation(node, transport, calc_info, fixture_sandbox)
+                runner.loop.run_until_complete(
+                    execmanager.upload_calculation(node, transport, calc_info, fixture_sandbox)
+                )
 
             filepath_workdir = pathlib.Path(node.get_remote_workdir())
 
             assert serialize_file_hierarchy(filepath_workdir, read_bytes=False) == expected_hierarchy
     else:
         with node.computer.get_transport() as transport:
-            execmanager.upload_calculation(node, transport, calc_info, fixture_sandbox)
+            runner.loop.run_until_complete(execmanager.upload_calculation(node, transport, calc_info, fixture_sandbox))
 
         filepath_workdir = pathlib.Path(node.get_remote_workdir())
 
@@ -607,9 +615,12 @@ def test_upload_calculation_portable_code(fixture_sandbox, node_and_calc_info, t
     calc_info.codes_info = [code_info]
 
     with node.computer.get_transport() as transport:
-        execmanager.upload_calculation(
-            node,
-            transport,
-            calc_info,
-            fixture_sandbox,
+        runner = get_manager().get_runner()
+        runner.loop.run_until_complete(
+            execmanager.upload_calculation(
+                node,
+                transport,
+                calc_info,
+                fixture_sandbox,
+            )
         )

tests/engine/processes/test_caching.py

@@ -16,7 +16,7 @@ def define(cls, spec):
         spec.input('a')
         spec.output_namespace('nested', dynamic=True)
 
-    def run(self):
+    async def run(self):
         self.out('nested', {'a': self.inputs.a + 2})
 
 

tests/engine/test_process.py

@@ -77,7 +77,7 @@ class ProcessStackTest(Process):
     _node_class = orm.WorkflowNode
 
     @override
-    def run(self):
+    async def run(self):
         pass
 
     @override
@@ -323,7 +323,7 @@ def define(cls, spec):
                 spec.input_namespace('namespace', valid_type=orm.Int, dynamic=True)
                 spec.output_namespace('namespace', valid_type=orm.Int, dynamic=True)
 
-            def run(self):
+            async def run(self):
                 self.out('namespace', self.inputs.namespace)
 
         results, node = run_get_node(TestProcess1, namespace={'alpha': orm.Int(1), 'beta': orm.Int(2)})
@@ -347,7 +347,7 @@ def define(cls, spec):
                 spec.output_namespace('integer.namespace', valid_type=orm.Int, dynamic=True)
                 spec.output('required_string', valid_type=orm.Str, required=True)
 
-            def run(self):
+            async def run(self):
                 if self.inputs.add_outputs:
                     self.out('required_string', orm.Str('testing').store())
                     self.out('integer.namespace.two', orm.Int(2).store())