21 lines
689 B
Python
21 lines
689 B
Python
"""Pure tree identity helpers only; IPC geometry is pending candidate."""
|
|
def nodes(node):
|
|
yield node
|
|
for child in node.get('nodes', []) + node.get('floating_nodes', []):
|
|
yield from nodes(child)
|
|
|
|
|
|
def workspace(tree, name):
|
|
rows = [n for n in nodes(tree) if n.get('type') == 'workspace' and n.get('name') == name]
|
|
assert len(rows) == 1, 'workspace identity'
|
|
return rows[0]
|
|
|
|
|
|
def ancestry(tree, con_id, path=()):
|
|
if tree.get('id') == con_id:
|
|
return path + (tree,)
|
|
for child in tree.get('nodes', []) + tree.get('floating_nodes', []):
|
|
found = ancestry(child, con_id, path + (tree,))
|
|
if found:
|
|
return found
|
|
return ()
|