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Diffstat (limited to 'Doc/library/ast.rst')
| -rw-r--r-- | Doc/library/ast.rst | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/Doc/library/ast.rst b/Doc/library/ast.rst index 08ee714..e2c0b6d 100644 --- a/Doc/library/ast.rst +++ b/Doc/library/ast.rst @@ -7,6 +7,9 @@ .. sectionauthor:: Martin v. Löwis <martin@v.loewis.de> .. sectionauthor:: Georg Brandl <georg@python.org> +**Source code:** :source:`Lib/ast.py` + +-------------- The :mod:`ast` module helps Python applications to process trees of the Python abstract syntax grammar. The abstract syntax itself might change with each @@ -117,12 +120,15 @@ and classes for traversing abstract syntax trees: Safely evaluate an expression node or a 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``. + Python literal structures: strings, bytes, numbers, tuples, lists, dicts, + sets, 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. + .. versionchanged:: 3.2 + Now allows bytes and set literals. + .. function:: get_docstring(node, clean=True) |