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[moritzgloeckl]

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[zq1997]

I debugged it out.
The reason is that I install socketIO-client from pip, so it is the newest version 0.7.2
But This project only works with 0.5.7.2

Thus this code failed to construct a SocketIO instance.

# olclient.py:154
        socket_io = SocketIO(
            BASE_URL,
            params={'t': int(time.time())},
            headers={'Cookie': cookie}
        )

Maybe some modification should be made to work with newer socketIO-client version.
Further more, how about drop the usage of SocketIO ? I found socketIO-client is only used in this code, and I remember that pure Python can also do socket communication, drop socketIO-client and use standard python lib may cause less dependency problem.

Also, when I pip install this project, it not install socketIO-client automatically as an dependecy. Is this a bug?

[moritzgloeckl]

Hi @zq1997 !

Thank you for your bug report. Let me clarify:

• Yes this is a bug I need to add the socketIO-client dependency so it will be installed via pip. Working on this now.
• It needs this specific version because Overleaf is working with an "outdated" Socket.IO version. This is the last version of the Python library to support the version their using.
• You surely can implement it without the socketIO client, but beware that we're talking about Socket.IO Protocol and not just simple Sockets or Websocket. I found it easier to use the library then to implement the Socket.IO handshake myself. Feel free to open a PR though.

[moritzgloeckl]

Fixed with #12