fix: changing dataclasses to use default factory to prevent shared ob…

…jects

LoopStructural/datatypes/_point.py

@@ -1,4 +1,4 @@
-from dataclasses import dataclass
+from dataclasses import dataclass, field
 import numpy as np
 
 from typing import Optional, Union
@@ -10,10 +10,10 @@
 
 @dataclass
 class ValuePoints:
-    locations: np.ndarray
-    values: np.ndarray
-    name: str
-    properties: Optional[dict] = None
+    locations:np.ndarray= field(default_factory=lambda: np.array([[0, 0, 0]]))
+    values: np.ndarray = field(default_factory=lambda: np.array([0]))
+    name: str = "unnamed"
+    properties: Optional[dict] = None 
 
     def to_dict(self):
         return {
@@ -108,9 +108,9 @@ def from_dict(cls, d, flatten=False):
 
 @dataclass
 class VectorPoints:
-    locations: np.ndarray
-    vectors: np.ndarray
-    name: str
+    locations: np.ndarray = field(default_factory=lambda: np.array([[0, 0, 0]]))
+    vectors: np.ndarray = field(default_factory=lambda: np.array([[0, 0, 0]]))
+    name: str = "unnamed"
     properties: Optional[dict] = None
 
     def to_dict(self):

LoopStructural/datatypes/_structured_grid.py

@@ -1,19 +1,19 @@
 from typing import Dict
 import numpy as np
-from dataclasses import dataclass
+from dataclasses import dataclass, field
 from LoopStructural.utils import getLogger
 
 logger = getLogger(__name__)
 
 
 @dataclass
 class StructuredGrid:
-    origin: np.ndarray
-    step_vector: np.ndarray
-    nsteps: np.ndarray
-    cell_properties: Dict[str, np.ndarray]
-    properties: Dict[str, np.ndarray]
-    name: str
+    origin: np.ndarray = field(default_factory=lambda: np.array([0, 0, 0]))
+    step_vector: np.ndarray = field(default_factory=lambda: np.array([1, 1, 1]))
+    nsteps: np.ndarray = field(default_factory=lambda: np.array([10, 10, 10]))
+    cell_properties: Dict[str, np.ndarray] = field(default_factory=dict)
+    properties: Dict[str, np.ndarray] = field(default_factory=dict)
+    name: str = "default_grid"
 
     def to_dict(self):
         return {

LoopStructural/datatypes/_surface.py

@@ -1,4 +1,4 @@
-from dataclasses import dataclass
+from dataclasses import dataclass, field
 from typing import Optional
 import numpy as np
 import io
@@ -9,9 +9,9 @@
 
 @dataclass
 class Surface:
-    vertices: np.ndarray
-    triangles: np.ndarray
-    normals: Optional[np.ndarray] = None
+    vertices: np.ndarray = field(default_factory=lambda: np.array([[0, 0, 0]]))
+    triangles: np.ndarray = field(default_factory=lambda: np.array([[0, 0, 0]]))
+    normals: Optional[np.ndarray] = None 
     name: str = 'surface'
     values: Optional[np.ndarray] = None
     properties: Optional[dict] = None