New selector fixes

Author: adam-urbanczyk

cadquery/occ_impl/shape_protocols.py

@@ -76,6 +76,9 @@ def Area(self) -> float:
     def BoundingBox(self, tolerance: Optional[float] = None) -> BoundBox:
         ...
 
+    def distance(self, other, tol: float = 1e-6) -> float:
+        ...
+
 
 class Shape1DProtocol(ShapeProtocol, Protocol):
     def tangentAt(

cadquery/selectors.py

@@ -99,7 +99,7 @@ def __init__(self, s: Shape):
 
     def filter(self, objectList: Sequence[Shape]):
 
-        return [min(objectList, key=lambda el: self.s.distance(el))]
+        return [min(objectList, key=lambda el: self.shape.distance(el))]
 
 
 class BoxSelector(Selector):
@@ -888,7 +888,7 @@ def filter(self, objectList: Sequence[Shape]):
         return self.mySelector.filter(objectList)
 
 
-#%% Aliases
+# %% Aliases
 
 NearestToPoint = NearestToPointSelector
 NearestToShape = NearestToShapeSelector