fix: Reduce import time of the library (#179)

Co-authored-by: pyansys-ci-bot <[email protected]>

Author: AlejandroFernandezLuces

doc/changelog.d/179.fixed.md

@@ -0,0 +1 @@
+fix: Reduce import time of the library

pyproject.toml

@@ -23,7 +23,6 @@ classifiers = [
 ]
 dependencies = [
     "pyvista >= 0.43.0,<1",
-    "beartype >= 0.17.0,<1",
     "websockets >= 12.0,< 14",
     "trame >= 3.6.0,<4",
     "trame-vtk >= 2.8.7,<3",

src/ansys/tools/visualization_interface/backends/_base.py

@@ -22,8 +22,7 @@
 
 """Module for the backend base class."""
 from abc import ABC, abstractmethod
-
-from beartype.typing import Any, Iterable
+from typing import Any, Iterable
 
 
 class BaseBackend(ABC):

src/ansys/tools/visualization_interface/backends/pyvista/pyvista.py

@@ -21,9 +21,9 @@
 # SOFTWARE.
 """Provides a wrapper to aid in plotting."""
 from abc import abstractmethod
+import importlib.util
+from typing import TYPE_CHECKING, Any, Dict, List, Optional, Union
 
-from beartype.typing import Any, Dict, List, Optional, Union
-import numpy as np
 import pyvista as pv
 from vtkmodules.vtkCommonCore import vtkCommand
 from vtkmodules.vtkInteractionWidgets import vtkHoverWidget
@@ -32,10 +32,6 @@
 import ansys.tools.visualization_interface
 from ansys.tools.visualization_interface.backends._base import BaseBackend
 from ansys.tools.visualization_interface.backends.pyvista.pyvista_interface import PyVistaInterface
-from ansys.tools.visualization_interface.backends.pyvista.trame_local import (
-    _HAS_TRAME,
-    TrameVisualizer,
-)
 from ansys.tools.visualization_interface.backends.pyvista.widgets.displace_arrows import (
     CameraPanDirection,
     DisplacementArrow,
@@ -57,6 +53,11 @@
 from ansys.tools.visualization_interface.utils.color import Color
 from ansys.tools.visualization_interface.utils.logger import logger
 
+_HAS_TRAME = importlib.util.find_spec("pyvista.trame") and importlib.util.find_spec("trame.app")
+
+if TYPE_CHECKING:
+    import numpy as np
+
 
 class PyVistaBackendInterface(BaseBackend):
     """Provides the interface for the Visualization Interface Tool plotter.
@@ -193,7 +194,7 @@ def add_widget(self, widget: Union[PlotterWidget, List[PlotterWidget]]):
             self._widgets.append(widget)
             widget.update()
 
-    def select_object(self, custom_object: Union[MeshObjectPlot, EdgePlot], pt: np.ndarray) -> None:
+    def select_object(self, custom_object: Union[MeshObjectPlot, EdgePlot], pt: "np.ndarray") -> None:
         """Select a custom object in the plotter.
 
         This method highlights the edges of a body and adds a label. It also adds
@@ -463,6 +464,9 @@ def show_plotter(self, screenshot: Optional[str] = None) -> None:
 
         """
         if self._use_trame and _HAS_TRAME:
+            from ansys.tools.visualization_interface.backends.pyvista.trame_local import (
+                TrameVisualizer,
+            )
             visualizer = TrameVisualizer()
             visualizer.set_scene(self._pl)
             visualizer.show()

src/ansys/tools/visualization_interface/backends/pyvista/pyvista_interface.py

@@ -21,9 +21,8 @@
 # SOFTWARE.
 """Provides plotting for various PyAnsys objects."""
 import re
-from typing import Union
+from typing import Any, Dict, List, Optional, Union
 
-from beartype.typing import Any, Dict, List, Optional
 import pyvista as pv
 from pyvista.plotting.plotter import Plotter as PyVistaPlotter
 

src/ansys/tools/visualization_interface/backends/pyvista/trame_local.py

@@ -20,6 +20,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 """Provides `trame <https://kitware.github.io/trame/index.html>`_ visualizer interface for visualization."""
+
 try:
     from pyvista.trame.ui import plotter_ui
     from trame.app import get_server

src/ansys/tools/visualization_interface/backends/pyvista/trame_remote.py

@@ -24,8 +24,8 @@
 # from the websocket. This is a trusted source, so we can ignore this vulnerability.
 # Potentially, someone could send a malicious pickle object and execute arbitrary code.
 import pickle  # nosec B403
+from typing import Union
 
-from beartype.typing import Union
 import pyvista as pv
 from websockets.sync.client import connect
 

src/ansys/tools/visualization_interface/backends/pyvista/widgets/hide_buttons.py

@@ -21,8 +21,8 @@
 # SOFTWARE.
 """Provides the hide buttons widget for the PyAnsys plotter."""
 from pathlib import Path
+from typing import TYPE_CHECKING
 
-from beartype.typing import TYPE_CHECKING
 from vtk import vtkActor, vtkButtonWidget, vtkPNGReader
 
 from ansys.tools.visualization_interface.backends.pyvista.widgets.widget import PlotterWidget

src/ansys/tools/visualization_interface/backends/pyvista/widgets/measure.py

@@ -21,8 +21,8 @@
 # SOFTWARE.
 """Provides the measure widget for the PyAnsys plotter."""
 from pathlib import Path
+from typing import TYPE_CHECKING
 
-from beartype.typing import TYPE_CHECKING
 from vtk import vtkActor, vtkButtonWidget, vtkPNGReader
 
 from ansys.tools.visualization_interface.backends.pyvista.widgets.widget import PlotterWidget

src/ansys/tools/visualization_interface/backends/pyvista/widgets/mesh_slider.py

@@ -21,8 +21,8 @@
 # SOFTWARE.
 """Provides the measure widget for the PyAnsys plotter."""
 from pathlib import Path
+from typing import TYPE_CHECKING
 
-from beartype.typing import TYPE_CHECKING
 import pyvista as pv
 from vtk import vtkActor, vtkButtonWidget, vtkPNGReader