Add NBTUUIDAttr class, add UUID attribute to player ref

src/mceditlib/anvil/adapter.py

@@ -868,6 +868,8 @@ class AnvilPlayerRef(object):
     #         return tag
     #     return self.playerTag()
 
+    UUID = nbtattr.NBTUUIDAttr()
+
     id = nbtattr.NBTAttr("id", nbt.TAG_String)
     Position = nbtattr.NBTVectorAttr("Pos", nbt.TAG_Double)
     Motion = nbtattr.NBTVectorAttr("Motion", nbt.TAG_Double)

src/mceditlib/nbtattr.py

@@ -3,6 +3,7 @@
 """
 from __future__ import absolute_import, division, print_function, unicode_literals
 import logging
+import uuid
 from mceditlib import nbt
 from mceditlib.geometry import Vector
 
@@ -32,6 +33,27 @@ class NBTAttr(object):
             tag[self.name].value = value
         instance.dirty = True
 
+class NBTUUIDAttr(object):
+    def __repr__(self):
+        return "NBTUUIDAttr()"
+
+    def __get__(self, instance, owner):
+        tag = instance.rootTag
+        least = tag["UUIDLeast"].value & 0xffffffffffffffffL
+        most = tag["UUIDMost"].value & 0xffffffffffffffffL
+        uuidInt = (most << 64 | least) & 0xffffffffffffffffffffffffffffffffL
+        UUID = uuid.UUID(int=uuidInt)
+        return UUID
+
+    def __set__(self, instance, value):
+        uuidInt = value.int
+        least = uuidInt & 0xffffffffffffffffL
+        most = (uuidInt >> 64) & 0xffffffffffffffffL
+        tag = instance.rootTag
+        tag["UUIDLeast"].value = least
+        tag["UUIDMost"].value = most
+
+
 
 class NBTCompoundListAttr(object):
     def __repr__(self):