Run the packet parsing event loop in a different thread.

[md11235]

So that pyshark can be used in Jupyter Notebooks.

The version by KimiNewt works like a charm! I've use this library heavily win python scripts run in the command line. But when this version is run in a Jupyter Notebook, it will complain:

RuntimeError: Cannot run the event loop while another loop is running

After digging around the web, based on a code snippet from @fortuna at ipython/ipython#11030 , I've tried to come up with a little code to make pyshark run in Jupyter Notebooks.

[letalvoj]

Any progress on this? Or workaround? I am new to python multiprocessing / asyncio. Could we somehow make this patch working?

[jkbecker]

+1 on being really interested in a solution. Not being able to run pyshark from within a Jupyter Notebook is really annoying...
I'm not in a position to say whether this pull request will have any negative side effects, but I'd appreciate a lot of someone could look into integrating it if it's all good.

[jjoonathan]

This patch is so important for my workflow that I'm using md11235's fork of pyshark now. Thanks md11235!

[salijona]

I am using a workaround for now with nest_asyncio package.
import nest_asyncio
nest_asyncio.apply()

Although I would be interested to see if there is a solution that can be integrated within pyshark.

[KimiNewt]

Jupyter can run it now, assuming you exclusively use the async methods. I'll try to work on adding the missing ones but you can use ones like cap.packets_from_tshark inside jupyter.

nest_asyncio is also an interesting solution, I'll look into that.

[XChikuX]

Any progress on the PR?
If this works now, we should close this!