mypymesh mock

Geometry/clash.py

@@ -1,7 +1,13 @@
 from concurrent.futures import ProcessPoolExecutor, as_completed
 from typing import List, Tuple, Any, Optional
 
-import pymesh
+try:
+    import pymesh
+except ImportError:
+    from Geometry.mocks import mypymesh
+
+    pymesh = mypymesh
+
 from speckle_automate import AutomationContext
 
 from Geometry.element import Element
@@ -9,7 +15,7 @@ from Geometry.mesh import cast
 
 
 def detect_clashes_old(
-    reference_elements: List[Element], latest_elements: List[Element], _tolerance: float
+        reference_elements: List[Element], latest_elements: List[Element], _tolerance: float
 ) -> list[tuple[str, str, float]]:
     """
     Detect clashes between two sets of mesh elements using Pymesh.
@@ -40,11 +46,11 @@ def detect_clashes_old(
                         continue
 
                     intersection = pymesh.boolean(
-                        ref_pymesh, latest_pymesh, operation="intersection"
+                        latest_pymesh, operation="intersection"
                     )
 
                     if (
-                        intersection and intersection.volume > 0
+                            intersection and intersection.volume > 0
                     ):  # TODO: could tolerance relate to this?
                         severity = intersection.volume / min(
                             ref_pymesh.volume, latest_pymesh.volume
@@ -56,7 +62,7 @@ def detect_clashes_old(
 
 
 def check_for_clash(
-    ref_element: Element, latest_element: Element
+        ref_element: Element, latest_element: Element
 ) -> Optional[tuple[Any, Any, Any]]:
     """
     Check for a clash between two elements and calculate the severity of the clash.
@@ -77,7 +83,7 @@ def check_for_clash(
                 continue
 
             intersection = pymesh.boolean(
-                ref_pymesh, latest_pymesh, operation="intersection"
+                latest_pymesh, operation="intersection"
             )
             if intersection and intersection.volume > 0:
                 severity = intersection.volume / min(
@@ -88,7 +94,7 @@ def check_for_clash(
 
 
 def detect_clashes(
-    reference_elements: List[Element], latest_elements: List[Element], _tolerance: float
+        reference_elements: List[Element], latest_elements: List[Element], _tolerance: float
 ) -> List[Tuple[str, str, float]]:
     """
     Detect clashes between two sets of mesh elements using parallel processing.
@@ -117,10 +123,10 @@ def detect_clashes(
 
 
 def detect_and_report_clashes(
-    reference_elements: list[Element],
-    latest_elements: list[Element],
-    tolerance: float,
-    automate_context: AutomationContext,
+        reference_elements: list[Element],
+        latest_elements: list[Element],
+        tolerance: float,
+        automate_context: AutomationContext,
 ) -> list[tuple[str, str, float]]:
     clashes = detect_clashes(reference_elements, latest_elements, tolerance)
 

Geometry/mesh.py

@@ -1,8 +1,25 @@
 from typing import Union, Type
 
-import pymesh
+try:
+    import pymesh
+except ImportError:
+    from Geometry.mocks import mypymesh
+
+    pymesh = mypymesh
+
 import trimesh
 
+from Geometry.helpers import triangulate_face
+
+
+class MockPyMesh:
+    def __init__(self, vertices, faces):
+        self.vertices = vertices or []
+        self.faces = faces or []
+
+    def boolean(self, other, operation):
+        return MockPyMesh([], [])
+
 
 def trimesh_to_pymesh(mesh: trimesh.Trimesh) -> pymesh.Mesh:
     """
@@ -27,7 +44,7 @@ def pymesh_to_trimesh(mesh: pymesh.Mesh) -> trimesh.Trimesh:
 
 
 def cast(
-    mesh: Union[trimesh.Trimesh, pymesh.Mesh], target_type: Type
+        mesh: Union[trimesh.Trimesh, pymesh.Mesh], target_type: Type
 ) -> Union[trimesh.Trimesh, pymesh.Mesh]:
     """
     Casts a mesh object to a specified type.
@@ -62,7 +79,7 @@ def speckle_mesh_to_trimesh(input_mesh: SpeckleMesh) -> trimesh.Trimesh:
         face_vertex_count = input_mesh.faces[i]
         i += 1  # Skip the vertex count
 
-        face_vertex_indices = input_mesh.faces[i : i + face_vertex_count]
+        face_vertex_indices = input_mesh.faces[i: i + face_vertex_count]
 
         face_vertices = [
             Vector.from_list(vertices[idx].tolist()) for idx in face_vertex_indices

Geometry/mocks.py

@@ -0,0 +1,12 @@
+class mypymesh:
+    def __init__(self, vertices, faces):
+        self.vertices = vertices
+        self.faces = faces
+
+    @staticmethod
+    def boolean(_other, _operation):
+        return mypymesh([], [])
+
+    @property
+    def volume(self):
+        return 0

poetry.lock

@@ -542,36 +542,47 @@ files = [
 
 [[package]]
 name = "numpy"
-version = "1.25.2"
+version = "1.26.2"
 description = "Fundamental package for array computing in Python"
 optional = false
 python-versions = ">=3.9"
 files = [
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 ]
 
 [[package]]

pyproject.toml

@@ -22,11 +22,11 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.ruff]
 select = [
-  "E",   # pycodestyle
-  "F",   # pyflakes
-  "UP",  # pyupgrade
-  "D",   # pydocstyle
-  "I",   # isort
+    "E", # pycodestyle
+    "F", # pyflakes
+    "UP", # pyupgrade
+    "D", # pydocstyle
+    "I", # isort
 ]
 
 [tool.ruff.pydocstyle]