auto_satin: remove commands also when a single satin has been routed (and not keep originals is enabled)

lib/stitches/auto_satin.py

@@ -359,26 +359,7 @@ def auto_satin(elements, preserve_order=False, starting_point=None, ending_point
     """
 
     if len(elements) == 1 and ending_point is None and starting_point is not None:
-        # they just used this method to lazily create running stitch to start the satin
-        # generate a line from starting point to the actual start of the satin
-        satin = elements[0]
-        parent = satin.node.getparent()
-        index = parent.index(satin.node)
-
-        project = satin.center_line.project(ShapelyPoint(starting_point))
-        path = substring(satin.center_line, project, 0)
-
-        run = RunningStitch(path, satin)
-        run_element = run.to_element()
-
-        transform = get_correction_transform(satin.node, False)
-        run_element.node.set('transform', transform)
-        run_element.node.apply_transform()
-
-        stroke_width = convert_stroke_width(satin)
-        run_element.node.style['stroke-width'] = stroke_width
-
-        parent.insert(index, run_element.node)
+        _route_single_satin(elements, starting_point, keep_originals)
         return
 
     # save these for create_new_group() call below
@@ -423,6 +404,31 @@ def auto_satin(elements, preserve_order=False, starting_point=None, ending_point
     return new_elements
 
 
+def _route_single_satin(elements, starting_point, keep_originals):
+    # they just used this method to lazily create running stitch to start the satin
+    # generate a line from starting point to the actual start of the satin
+    satin = elements[0]
+    parent = satin.node.getparent()
+    index = parent.index(satin.node)
+
+    project = satin.center_line.project(ShapelyPoint(starting_point))
+    path = substring(satin.center_line, project, 0)
+
+    run = RunningStitch(path, satin)
+    run_element = run.to_element()
+
+    transform = get_correction_transform(satin.node, False)
+    run_element.node.set('transform', transform)
+    run_element.node.apply_transform()
+
+    stroke_width = convert_stroke_width(satin)
+    run_element.node.style['stroke-width'] = stroke_width
+
+    parent.insert(index, run_element.node)
+    if not keep_originals:
+        remove_original_elements([satin], True)
+
+
 def convert_stroke_width(element):
     document_unit = element.node.getroottree().getroot().document_unit
     stroke_width = convert_unit(element.stroke_width, document_unit)

lib/stitches/utils/autoroute.py

@@ -241,7 +241,7 @@ def get_nodes_on_element(graph, element):
     return nodes
 
 
-def remove_original_elements(elements):
+def remove_original_elements(elements, commands_only=False):
     for element in elements:
         for command in element.commands:
             command_group = command.use.getparent()
@@ -250,7 +250,8 @@ def remove_original_elements(elements):
             else:
                 remove_from_parent(command.connector)
                 remove_from_parent(command.use)
-        remove_from_parent(element.node)
+        if not commands_only:
+            remove_from_parent(element.node)
 
 
 def remove_from_parent(node):