Question #221131 on Sikuli changed:
https://answers.launchpad.net/sikuli/+question/221131
Status: Open => Answered
RaiMan proposed the following answer:
with x as y:
some code
# with end
only works and guarantees:
- that x's __enter__ is called at the beginning
- that y is assigned the return value of __enter__
- that at "with end" x's __exit__ is called
since y is the object you are using, it references the same object (lets name
it anonymous_object, created by MyClass()), that is referenced by your
self.myClass property of x.
Setting self.myClass to None , only cuts the rope between self.myClass and
anonymous_object, but y (in your case aNewClass) still references
anonymous_object.
So your 2 variables simply reference the same object, which will live as
long as at least one reference to it exists (aNewClass in your case).
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