Custom deepcopy() implementations to help speed things up

masque/shapes/arc.py

@@ -1,4 +1,4 @@
-from typing import List, Tuple
+from typing import List, Tuple, Dict
 import math
 import numpy
 from numpy import pi
@@ -159,6 +159,14 @@ class Arc(Shape):
         self.poly_num_points = poly_num_points
         self.poly_max_arclen = poly_max_arclen
 
+    def  __deepcopy__(self, memo: Dict = None) -> 'Arc':
+        memo = {} if memo is None else memo
+        new = copy.copy(self)
+        new._offset = self._offset.copy()
+        new._radii = self._radii.copy()
+        new._angles = self._angles.copy()
+        return new
+
     def to_polygons(self, poly_num_points: int=None, poly_max_arclen: float=None) -> List[Polygon]:
         if poly_num_points is None:
             poly_num_points = self.poly_num_points

masque/shapes/circle.py

@@ -1,4 +1,4 @@
-from typing import List
+from typing import List, Dict
 import numpy
 from numpy import pi
 
@@ -53,6 +53,12 @@ class Circle(Shape):
         self.poly_num_points = poly_num_points
         self.poly_max_arclen = poly_max_arclen
 
+    def  __deepcopy__(self, memo: Dict = None) -> 'Circle':
+        memo = {} if memo is None else memo
+        new = copy.copy(self)
+        new._offset = self._offset.copy()
+        return new
+
     def to_polygons(self, poly_num_points: int=None, poly_max_arclen: float=None) -> List[Polygon]:
         if poly_num_points is None:
             poly_num_points = self.poly_num_points

masque/shapes/ellipse.py

@@ -1,4 +1,4 @@
-from typing import List, Tuple
+from typing import List, Tuple, Dict
 import math
 import numpy
 from numpy import pi
@@ -98,6 +98,13 @@ class Ellipse(Shape):
         self.poly_num_points = poly_num_points
         self.poly_max_arclen = poly_max_arclen
 
+    def  __deepcopy__(self, memo: Dict = None) -> 'Ellipse':
+        memo = {} if memo is None else memo
+        new = copy.copy(self)
+        new._offset = self._offset.copy()
+        new._radii = self._radii.copy()
+        return new
+
     def to_polygons(self,
                     poly_num_points: int=None,
                     poly_max_arclen: float=None

masque/shapes/path.py

@@ -1,4 +1,4 @@
-from typing import List, Tuple
+from typing import List, Tuple, Dict
 import copy
 from enum import Enum
 import numpy
@@ -162,6 +162,15 @@ class Path(Shape):
         self.rotate(rotation)
         [self.mirror(a) for a, do in enumerate(mirrored) if do]
 
+    def  __deepcopy__(self, memo: Dict = None) -> 'Path':
+        memo = {} if memo is None else memo
+        new = copy.copy(self)
+        new._offset = self._offset.copy()
+        new._vertices = self._vertices.copy()
+        new._cap = copy.deepcopy(self._cap, memo)
+        new._cap_extensions = copy.deepcopy(self._cap_extensions, memo)
+        return new
+
     @staticmethod
     def travel(travel_pairs: Tuple[Tuple[float, float]],
                width: float = 0.0,

masque/shapes/polygon.py

@@ -1,4 +1,4 @@
-from typing import List, Tuple
+from typing import List, Tuple, Dict
 import copy
 import numpy
 from numpy import pi
@@ -84,6 +84,13 @@ class Polygon(Shape):
         self.rotate(rotation)
         [self.mirror(a) for a, do in enumerate(mirrored) if do]
 
+    def  __deepcopy__(self, memo: Dict = None) -> 'Polygon':
+        memo = {} if memo is None else memo
+        new = copy.copy(self)
+        new._offset = self._offset.copy()
+        new._vertices = self._vertices.copy()
+        return new
+
     @staticmethod
     def square(side_length: float,
                rotation: float=0.0,

masque/shapes/text.py

@@ -1,4 +1,5 @@
-from typing import List, Tuple
+from typing import List, Tuple, Dict
+import copy
 import numpy
 from numpy import pi, inf
 
@@ -81,6 +82,13 @@ class Text(Shape):
         self.font_path = font_path
         self.mirrored = mirrored
 
+    def  __deepcopy__(self, memo: Dict = None) -> 'Text':
+        memo = {} if memo is None else memo
+        new = copy.copy(self)
+        new._offset = self._offset.copy()
+        new._mirrored = copy.deepcopy(self._mirrored, memo)
+        return new
+
     def to_polygons(self,
                     _poly_num_points: int=None,
                     _poly_max_arclen: float=None