JupyterLab​/v4_Server_WebSocket

info.status : content.status
info.username : header.username
info.date : date
info.session : parent_header.session
info.message : msg_id

iopub
{
   "msg_id": "499b39eb-184fe0b7d16a5e901127e0fe_192_6",
   "msg_type": "status",
   "username": "iseki",
   "session": "499b39eb-184fe0b7d16a5e901127e0fe",
   "date": "2023-06-14T05:46:58.092797Z",
   "version": "5.3"
}
{
   "msg_id": "8c30bfee-466f-4522-9f47-e979071d7a06_129_2",
   "msg_type": "kernel_info_request",
   "username": "iseki",
   "session": "8c30bfee-466f-4522-9f47-e979071d7a06",
   "date": "2023-06-14T05:46:58.090627Z",
   "version": "5.3"
}
{}
{
   "execution_state": "busy"
}

shell
{
   "msg_id": "499b39eb-184fe0b7d16a5e901127e0fe_192_11",
   "msg_type": "kernel_info_reply",
   "username": "iseki",
   "session": "499b39eb-184fe0b7d16a5e901127e0fe",
   "date": "2023-06-14T05:46:58.097589Z",
   "version": "5.3"
}
{
   "date": "2023-06-14T05:46:58.022000Z",
   "msg_id": "fedc7009-0883-4fbe-a793-14feb2f5f158",
   "msg_type": "kernel_info_request",
   "session": "8c30bfee-466f-4522-9f47-e979071d7a06",
   "username": "",
   "version": "5.2"
}
{}
{
   "status": "ok",
   "protocol_version": "5.3",
   "implementation": "ipython",
   "implementation_version": "8.14.0",
   "language_info": {
       "name": "python",
       "version": "3.11.3",
       "mimetype": "text/x-python",
       "codemirror_mode": {
           "name": "ipython",
           "version": 3
       },
       "pygments_lexer": "ipython3",
       "nbconvert_exporter": "python",
       "file_extension": ".py"
   },
   "banner": "Python 3.11.3 | packaged by conda-forge | (main, Apr  6 2023, 08:57:19) [GCC 11.3.0]\nType 'copyright', 'credits' or 'license' for more information\nIPython 8.14.0 -- An enhanced Interactive Python. Type '?' for help.\n",
   "help_links": [{"text": "Python Reference", "url": "https://docs.python.org/3.11"}, {"text": "IPython Reference", "url": "https://ipython.org/documentation.html"}, {"text": "NumPy Reference", "url": "https://docs.scipy.org/doc/numpy/reference/"}, {"text": "SciPy Reference", "url": "https://docs.scipy.org/doc/scipy/reference/"}, {"text": "Matplotlib Reference", "url": "https://matplotlib.org/contents.html"}, {"text": "SymPy Reference", "url": "http://docs.sympy.org/latest/index.html"}, {"text": "pandas Reference", "url": "https://pandas.pydata.org/pandas-docs/stable/"}]
}