[Python-checkins] r82804 - in python/branches/py3k: Doc/library/ast.rst Lib/ast.py Misc/NEWS
georg.brandl
python-checkins at python.org
Sun Jul 11 11:41:21 CEST 2010
Author: georg.brandl
Date: Sun Jul 11 11:41:21 2010
New Revision: 82804
Log:
Allow set literals in literal_eval().
Modified:
python/branches/py3k/Doc/library/ast.rst
python/branches/py3k/Lib/ast.py
python/branches/py3k/Misc/NEWS
Modified: python/branches/py3k/Doc/library/ast.rst
==============================================================================
--- python/branches/py3k/Doc/library/ast.rst (original)
+++ python/branches/py3k/Doc/library/ast.rst Sun Jul 11 11:41:21 2010
@@ -119,12 +119,15 @@
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, 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 set literals.
+
.. function:: get_docstring(node, clean=True)
Modified: python/branches/py3k/Lib/ast.py
==============================================================================
--- python/branches/py3k/Lib/ast.py (original)
+++ python/branches/py3k/Lib/ast.py Sun Jul 11 11:41:21 2010
@@ -58,6 +58,8 @@
return tuple(map(_convert, node.elts))
elif isinstance(node, List):
return list(map(_convert, node.elts))
+ elif isinstance(node, Set):
+ return set(map(_convert, node.elts))
elif isinstance(node, Dict):
return dict((_convert(k), _convert(v)) for k, v
in zip(node.keys, node.values))
Modified: python/branches/py3k/Misc/NEWS
==============================================================================
--- python/branches/py3k/Misc/NEWS (original)
+++ python/branches/py3k/Misc/NEWS Sun Jul 11 11:41:21 2010
@@ -470,7 +470,9 @@
Library
-------
-- Issue #9164: Ensure that sysconfig handles duplicate -arch flags in CFLAGS
+- ``ast.literal_eval()`` now allows set literals.
+
+- Issue #9164: Ensure that sysconfig handles duplicate -arch flags in CFLAGS.
- Issue #7646: The fnmatch pattern cache no longer grows without bound.
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