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| -rw-r--r-- | Doc/library/ast.rst | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/Doc/library/ast.rst b/Doc/library/ast.rst index 8adc88f..cf0c32e 100644 --- a/Doc/library/ast.rst +++ b/Doc/library/ast.rst @@ -132,12 +132,14 @@ and classes for traversing abstract syntax trees: .. function:: literal_eval(node_or_string) Safely evaluate an expression node or a Unicode or *Latin-1* encoded string - containing a Python expression. The string or node provided may only consist - of the following Python literal structures: strings, numbers, tuples, lists, - dicts, booleans, and ``None``. - - This can be used for safely evaluating strings containing Python expressions - from untrusted sources without the need to parse the values oneself. + containing a Python literal or container display. The string or node + provided may only consist of the following Python literal structures: + strings, numbers, tuples, lists, dicts, booleans, and ``None``. + + This can be used for safely evaluating strings containing Python values from + untrusted sources without the need to parse the values oneself. It is not + capable of evaluating arbitrarily complex expressions, for example involving + operators or indexing. .. function:: get_docstring(node, clean=True) |