def decode(data):
if hasattr(data, 'read'):
buf = data
else:
buf = BytesIO(data)
if buf.read(8) != node_t._get_packed_fingerprint():
raise ValueError("Decode error")
return node_t._decode_one(buf)
def _encode_one(self, buf):
buf.write(struct.pack(">i", self.num_children))
for i0 in range(self.num_children):
assert self.children[i0]._get_packed_fingerprint() == node_t._get_packed_fingerprint()
self.children[i0]._encode_one(buf)
def encode(self):
buf = BytesIO()
buf.write(node_t._get_packed_fingerprint())
self._encode_one(buf)
return buf.getvalue()
