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python Programming Glossary: node.idExecuting mathematical user code on a python web server, what is the simplest secure way? http://stackoverflow.com/questions/10647234/executing-mathematical-user-code-on-a-python-web-server-what-is-the-simplest-se self node def visit_Name self node try eval node.id except NameError ast.NodeVisitor.generic_visit self node else.. NameError ast.NodeVisitor.generic_visit self node else if node.id not in safe_names and node.id not in allowed_functions raise.. self node else if node.id not in safe_names and node.id not in allowed_functions raise SyntaxError s is a reserved..
Restricting Python's syntax to execute user code safely. Is this a safe approach? http://stackoverflow.com/questions/10661079/restricting-pythons-syntax-to-execute-user-code-safely-is-this-a-safe-approach self node def visit_Name self node try eval node.id except NameError ast.NodeVisitor.generic_visit self node else.. NameError ast.NodeVisitor.generic_visit self node else if node.id not in safe_names and node.id not in allowed_functions raise.. self node else if node.id not in safe_names and node.id not in allowed_functions raise SyntaxError s is a reserved..
Simple example of how to use ast.NodeVisitor? http://stackoverflow.com/questions/1515357/simple-example-of-how-to-use-ast-nodevisitor class z v ... def visit_Name self node print 'Name ' node.id ... z .visit t Module AugAssign Subscript Name d Index Name.. self.names ... def visit_Name self node ... self.names.add node.id ... allnames .visit t 'd' 'v' 'x' 'y' This kind of thing is..
In Python, how can you load YAML mappings as OrderedDicts? http://stackoverflow.com/questions/5121931/in-python-how-can-you-load-yaml-mappings-as-ordereddicts None None 'expected a mapping node but found s' node.id node.start_mark mapping OrderedDict for key_node value_node..
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