|  |  | 
    |  | 
        
          | walk(self,
        ast) Validate each node in AST and return True if AST is 'safe'.
 | source code |  | 
    |  | 
        
          | visit(self,
        node,
        *args) Recursively validate node and all of its children.
 | source code |  | 
    |  | 
        
          | visitName(self,
        node,
        *args) Disallow any attempts to access a restricted builtin/attr.
 | source code |  | 
    |  | 
        
          | visitGetattr(self,
        node,
        *args) Disallow any attempts to access a restricted attribute.
 | source code |  | 
    |  | 
        
          | ok(self,
        node,
        *args) Default callback for 'harmless' AST nodes.
 | source code |  | 
    |  | 
        
          | fail(self,
        node,
        *args) Default callback for unallowed AST nodes.
 | source code |  | 
    |  | 
        
          | trace(self,
        node) Debugging utility for tracing the validation of AST nodes.
 | source code |  | 
  
    | Inherited from object:__delattr__,__getattribute__,__hash__,__new__,__reduce__,__reduce_ex__,__repr__,__setattr__,__str__ |