converting scipy hieraraichal clusters to d3js json format for sunburst visualization

gistfile1.py

def tod3json(node, copy_json, child_Array):
    
    if(node.left or node.right):
    
        copy_json = {"name" : node.id}
        copy_json["children"] = []
        if(node.left):
            child_Array = tod3json(node.left, copy_json, child_Array)
#             print child_Array
            
            copy_json["children"].append(child_Array)         

        if(node.right):
            child_Array = tod3json(node.right, copy_json, child_Array)
#             print child_Array
            copy_json["children"].append(child_Array)

        return copy_json
    else:
        copy_json = {"name":node.id,"hotel_id":a[node.id,0],"hotel_amenities":a[node.id,1:].tolist()}
        return copy_json

copy_json = {}

final_json = tod3json(tree, copy_json, child_Array = [])
final_json