Martin Panter added the comment:
Guido are you saying in the following code, the “finally” message is not
guaranteed to be printed out? Or just that you cannot limit a ResourceWarning
to garbage collection?
def g():
try:
yield "item"
finally:
# Run at exhaustion, close(), and garbage collection
print("finally")
gi = g()
try:
item = next(gi)
print(item / 2) # Oops, TypeError
finally:
# Should be run as the exception passes through. GeneratorExit is raised
inside the generator, causing the other “finally” block to execute. All before
the original exception is caught and a traceback is printed.
gi.close()
But as I understand it, os.scandir() is not a generator, so none of these
problems would apply.
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nosy: +martin.panter
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<http://bugs.python.org/issue25994>
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