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from __future__ import print_function | |
__author__ = 'Taneem Jan, taneemishere.github.io' | |
class Node: | |
def __init__(self, key, parent_node, content_holder): | |
self.key = key | |
self.parent = parent_node | |
self.children = [] | |
self.content_holder = content_holder | |
def add_child(self, child): | |
self.children.append(child) | |
def show(self): | |
print(self.key) | |
for child in self.children: | |
child.show() | |
def render(self, mapping, rendering_function=None): | |
content = "" | |
for child in self.children: | |
content += child.render(mapping, rendering_function) | |
value = mapping[self.key] | |
if rendering_function is not None: | |
value = rendering_function(self.key, value) | |
if len(self.children) != 0: | |
value = value.replace(self.content_holder, content) | |
return value | |