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Diffstat (limited to 'Doc/whatsnew/3.10.rst')
| -rw-r--r-- | Doc/whatsnew/3.10.rst | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/Doc/whatsnew/3.10.rst b/Doc/whatsnew/3.10.rst index c4a79b6..2ceb26f 100644 --- a/Doc/whatsnew/3.10.rst +++ b/Doc/whatsnew/3.10.rst @@ -282,7 +282,8 @@ Other Language Changes * Functions have a new ``__builtins__`` attribute which is used to look for builtin symbols when a function is executed, instead of looking into - ``__globals__['__builtins__']``. + ``__globals__['__builtins__']``. The attribute is initialized from + ``__globals__["__builtins__"]`` if it exists, else from the current builtins. (Contributed by Mark Shannon in :issue:`42990`.) @@ -789,6 +790,14 @@ Changes in the Python API (Contributed by Yurii Karabas, Andrew Svetlov, Yury Selivanov and Kyle Stanley in :issue:`42392`.) +* The :data:`types.FunctionType` constructor now inherits the current builtins + if the *globals* dictionary has no ``"__builtins__"`` key, rather than using + ``{"None": None}`` as builtins: same behavior as :func:`eval` and + :func:`exec` functions. Defining a function with ``def function(...): ...`` + in Python is not affected, globals cannot be overriden with this syntax: it + also inherits the current builtins. + (Contributed by Victor Stinner in :issue:`42990`.) + CPython bytecode changes ======================== |