Mark Shannon <m...@hotpy.org> added the comment:
You need to define __builtins__ in the globals dictionary.
def func(s):
return len(s)
text = "abc"
print(func(text))
FuncType = type(func)
func_globals = {"__builtins__":__builtins__.__dict__}
code = func.__code__
func2 = FuncType(code, func_globals)
print(func2(text))
works for both 3.9 and 3.10.
Cloudpickle needs to initialize the globals dict *before* creating the function.
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue43228>
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