Added detach method to branch (#702)

* Added `detach` method to branch * docstring
dbbs-lab · Apr 4, 2023 · 63f0954 · 63f0954
1 parent b1a2025
commit 63f0954
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diff --git a/bsb/morphologies/__init__.py b/bsb/morphologies/__init__.py
@@ -1402,6 +1402,13 @@ def insert_branch(self, branch, index):
                 second_segment.attach_child(b)
             first_segment.attach_child(second_segment)
 
+    def detach(self):
+        """
+        Detach the branch from its parent, if one exists.
+        """
+        if self.parent:
+            self.parent.detach_child(self)
+
     def detach_child(self, branch):
         """
         Remove a branch as a child from this branch.

diff --git a/tests/test_morphologies.py b/tests/test_morphologies.py
@@ -117,10 +117,13 @@ def test_branch_attachment(self):
         self.assertTrue(branch_C.is_terminal)
         self.assertTrue(branch_D.is_terminal)
         branch_A.detach_child(branch_C)
-        self.assertIsNone(branch_C._parent)
+        self.assertIsNone(branch_C.parent)
         with self.assertRaises(ValueError):
             branch_A.detach_child(branch_D)
-        self.assertEqual(branch_B, branch_D._parent)
+        self.assertEqual(branch_B, branch_D.parent)
+        branch_B.detach()
+        branch_B.detach()
+        self.assertEqual(None, branch_B.parent)
 
     def test_properties(self):
         branch = Branch(