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import sys
import random
from ete3 import Tree, faces, TreeStyle, COLOR_SCHEMES
schema_names = list(COLOR_SCHEMES.keys())
def layout(node):
if not node.is_leaf():
size = random.randint(20,50)
F= faces.PieChartFace([10,20,60,10],
colors=COLOR_SCHEMES[random.sample(schema_names, 1)[0]],
width=size, height=size)
F.border.width = None
F.opacity = 0.6
faces.add_face_to_node(F,node, 0, position="float")
def get_example_tree():
t = Tree()
ts = TreeStyle()
ts.layout_fn = layout
ts.mode = "c"
ts.show_leaf_name = True
ts.min_leaf_separation = 15
t.populate(100)
return t, ts
if __name__ == '__main__':
t, ts = get_example_tree()
t.show(tree_style=ts)
#t.render("float_piechart.png", tree_style=ts)
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