Update python bindings after changes to MultipleGridBuilder

Python/actuator_line/actuator_line.py

@@ -36,7 +36,7 @@ r"""
 import numpy as np
 from pathlib import Path
 from mpi4py import MPI
-from pyfluids.bindings import basics, gpu, logger
+from pyfluids import basics, gpu, logger
 #%%
 sim_name = "ABL"
 config_file = Path(__file__).parent/"configActuatorLine.txt"
@@ -47,10 +47,8 @@ output_path.mkdir(exist_ok=True)
 #%%
 logger.Logger.initialize_logger()
 
-#%%
-grid_factory = gpu.grid_generator.GridFactory.make()
-grid_builder = gpu.grid_generator.MultipleGridBuilder.make_shared(grid_factory)
-communicator = gpu.Communicator.get_instance()
+grid_builder = gpu.grid_generator.MultipleGridBuilder()
+communicator = gpu.MpiCommunicator.get_instance()
 
 config = basics.ConfigurationFile()
 config.load(str(config_file))

Python/boundary_layer/boundary_layer.py

@@ -48,9 +48,8 @@ output_path.mkdir(exist_ok=True)
 logger.Logger.initialize_logger()
 
 #%%
-grid_factory = gpu.grid_generator.GridFactory.make()
-grid_builder = gpu.grid_generator.MultipleGridBuilder.make_shared(grid_factory)
-communicator = gpu.Communicator.get_instance()
+grid_builder = gpu.grid_generator.MultipleGridBuilder()
+communicator = gpu.MpiCommunicator.get_instance()
 
 config = basics.ConfigurationFile()
 config.load(str(config_file))

pythonbindings/pyfluids-stubs/gpu/__init__.pyi

@@ -178,7 +178,8 @@ class GridProvider:
     @staticmethod
     def make_grid_generator(builder: grid_generator.GridBuilder, para: Parameter, cuda_memory_manager: CudaMemoryManager, communicator: MpiCommunicator) -> GridProvider: ...
 
-
+class MultipleGridBuilder:
+    def __init__(self) -> None: ...
 
 class GridScaling:
     __members__: ClassVar[dict] = ...  # read-only

pythonbindings/src/gpu/submodules/grid_generator.cpp

@@ -95,6 +95,7 @@ namespace grid_generator
         .def("set_stress_boundary_condition", &LevelGridBuilder::setStressBoundaryCondition, py::arg("side_type"), py::arg("normal_x"), py::arg("normal_y"), py::arg("normal_z"), py::arg("sampling_offset"), py::arg("z0"), py::arg("dx"));
 
         py::class_<MultipleGridBuilder, LevelGridBuilder, std::shared_ptr<MultipleGridBuilder>>(gridGeneratorModule, "MultipleGridBuilder")
+        .def(py::init())
         .def("add_coarse_grid", &MultipleGridBuilder::addCoarseGrid, py::arg("start_x"), py::arg("start_y"), py::arg("start_z"), py::arg("end_x"), py::arg("end_y"), py::arg("end_z"), py::arg("delta"))
         .def("add_grid", py::overload_cast<SPtr<Object>>(&MultipleGridBuilder::addGrid), py::arg("grid_shape"))
         .def("add_grid", py::overload_cast<SPtr<Object>, uint>(&MultipleGridBuilder::addGrid), py::arg("grid_shape"), py::arg("level_fine"))