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Deny eval() direct access to builtins (GH-20713) (GH-20714)

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Miss Islington (bot) 2020-06-08 00:19:27 -07:00 • committed by GitHub
parent be5ed59e29
commit 3deded947c
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3
Lib/collections/__init__.py
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@ -407,7 +407,8 @@ def namedtuple(typename, field_names, *, rename=False, defaults=None, module=Non
# Create all the named tuple methods to be added to the class namespace
s = f'lambda _cls, {arg_list}: _tuple_new(_cls, ({arg_list}))'
namespace = {'_tuple_new': tuple_new, '__name__': f'namedtuple_{typename}'}
namespace = {'_tuple_new': tuple_new, '__builtins__': None,
'__name__': f'namedtuple_{typename}'}
__new__ = eval(s, namespace)
__new__.__doc__ = f'Create new instance of {typename}({arg_list})'
if defaults is not None: