Python 3.13.0b1: exec() does not populate locals() #118888
Description
Bug report
Bug description:
x.py
xxx = 118888readx.py
def f():
with open("x.py", encoding="utf-8") as f:
exec(compile(f.read(), "x.py", "exec"))
return locals()["xxx"]
print(f())shell
$ python3.12 readx.py
118888
$ python3.13 readx.py
Traceback (most recent call last):
File ".../readx.py", line 6, in <module>
print(f())
~^^
File ".../readx.py", line 4, in f
return locals()["xxx"]
~~~~~~~~^^^^^^^
KeyError: 'xxx'
This breaks e.g. pillow 10.3.0 which has:
def get_version():
version_file = "src/PIL/_version.py"
with open(version_file, encoding="utf-8") as f:
exec(compile(f.read(), version_file, "exec"))
return locals()["__version__"]In https://github.com/python-pillow/Pillow/blob/10.3.0/setup.py#L23
CPython versions tested on:
3.13
Operating systems tested on:
Linux