policytree¶

class policytree.PolicyParser(verbose=False)[source]¶

Bases: object

evalStack(stack)[source]¶

findDuplicates(tree, _dict)[source]¶

getBNF()[source]¶

labelDuplicates(tree, _dictLabel)[source]¶

parse(string)[source]¶

prune(tree, attributes)[source]¶: given policy tree and attributes, determine whether the attributes satisfy the policy. if not enough attributes to satisfy policy, return None otherwise, a pruned list of attributes to potentially recover the associated secret.

requiredAttributes(tree, attrList)[source]¶: determines the required attributes to satisfy policy tree and returns a list of BinNode objects.

policytree.createAttribute(s, loc, toks)[source]¶

policytree.createTree(op, node1, node2)[source]¶

policytree.parseNumConditional(s, loc, toks)[source]¶

policytree.printStuff(s, loc, toks)[source]¶

policytree.pushFirst(s, loc, toks)[source]¶