> I *must* do:
>
> with device_open() as device:
> device.do_something()
>
> Nevertheless, I _need_ to have a class
> where the device is opened in the __init__()
> and used in some methods.
>
> Any ideas?
Perhaps take a look at contextlib.ExitStack and see if you can do something
with it.
(Below is not tested)
import contextlib
class myClass:
def __init__(self):
self._exitStack = contextlib.ExitStack()
device = self._exitStack.enter_context(device_open(...))
def __del__(self):
self._exitStack.close()
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