support async kernel shutdown #4425
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This is an "add-on" commit to PR jupyter#4412 in which kernel startup was addressed.
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I believe what @kevin-bates means is: could this be also merged into 5.7.x branch and be part of the possible release that is going to handle the tornado version cap. |
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EDIT: Issue was in jupyter_client. Since we're going to want to address this shortly, we should continue with this change since its independent of jc. |
kevin-bates
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kevin-bates
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| return super(MappingKernelManager, self).shutdown_kernel(kernel_id, now=now) | ||
| ret = yield gen.maybe_future(super(MappingKernelManager, self).shutdown_kernel(kernel_id, now=now)) | ||
| raise gen.Return(ret) |
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This already supported async shutdown_kernel without any change, so I don't think we should merge this. Since shutdown_kernel is not itself async, returning the super().shutdown_kernel() works if shutdown_kernel is async, since it will return a Future or coroutine object, which gets passed through to the caller of this method.
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That's fine. If need be we can revisit since I had to back out the jupyter_client portion of this since there were restart side-effects that require further investigation. Closing. |
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This is an "add-on" commit to PR #4412 in which kernel startup was addressed. As with that PR, this should be considered a "sibling PR" to the same jupyter_client PR - which I just updated with a shutdown-related commit.
I should have looked into shutdowns sooner. I thought it would be more involved than it was. Sorry about that.