def compare_trees(tree1, tree2):
'''
Comparison between all the nodes and their respective radii between two trees.
Ids are do not have to be identical between the trees, and swapping is allowed
Returns:
False if the trees are not identical. True otherwise.
'''
leaves1 = list(tr.ileaf(tree1))
leaves2 = list(tr.ileaf(tree2))
if len(leaves1) != len(leaves2):
return False
else:
nleaves = len(leaves1)
for leaf1, leaf2 in product(leaves1, leaves2):
is_equal = True
for node1, node2 in izip(val_iter(tr.iupstream(leaf1)),
val_iter(tr.iupstream(leaf2))):
if any(node1[0:5] != node2[0:5]):
is_equal = False
continue
if is_equal:
nleaves -= 1
return nleaves == 0
