Ronald Oussoren <[email protected]> added the comment:
I don't think this is a bug.
def func():
print(var)
This captures the globals at the time of definition, that is "global"
references are resolved using the func.__globals__ attribute which is the
globals dictionary at the time the function is created
exec("func()", globals=my_globals;locals=my_globals)
This runs code with a different globals dictionary, but that doesn't affect the
already defined function because it resolves names with the previously captured
globals dictionary.
This is basically the mechanism that ensures that functions defined in a module
use that modules global namespace, and not the globals from where they are
called.
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nosy: +ronaldoussoren
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<https://bugs.python.org/issue38331>
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