o h%x @szdZddlmZmZddlmZmZmZmZm Z m Z m Z dZ e dZ Gdddee Ze ded Zd ed efd d Zd ed efddZGdddZGdddee efZGdddee efZGdddeZGdddee efZe dZGdddeee efZGdddee efee ee effee efZGdd d eee ZGd!d"d"eee ee Zd#S)$z A BTree in the style of Cormen, Leiserson, and Rivest's "Algorithms" book, with copy-on-write node updates, cursors, and optional space optimization for mostly-in-order insertion. )MutableMapping MutableSet)AnyCallableGenericOptionalTupleTypeVarcastKTc@seZdZdZdefddZdS)Elementz+All items stored in the BTree are Elements.returncCst)zFThe key for this element; the returned type must implement comparison.)NotImplementedErrorselfrK/var/www/html/pro-man-master/venv/lib/python3.10/site-packages/dns/btree.pykeysz Element.keyN)__name__ __module__ __qualname____doc__r rrrrrr sr ET)boundtrcCs|dS)z[The minimum number of keys in a non-root node for a BTree with the specified ``t`` rrrrr_MINsrcCs d|dS)zGThe maximum number of keys in node for a BTree with the specified ``t``rrrrrr_MAX#s r c@seZdZdZddZdS)_CreatorzA _Creator class instance is used as a unique id for the BTree which created a node. 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NFrrrrGcrrrrrrrr.@rzBTreeSet.__init__rrcCs||duSr;)rrrrr __contains__JzBTreeSet.__contains__rcCst|}|||jdSr;)rrrG)rrrTrrrrMsz BTreeSet.addcCs||dSr;)r)rrrrrrQrzBTreeSet.discard)rrrrrrqrrrr.rrr rrrrrrrr:s rN)rcollections.abcrrtypingrrrrrr r rr r rrqrr r!r'rt Exceptionrrrrrrrrrrrs.$  Ke4