Root jupyter kernel fails with the following text:
Traceback (most recent call last):
File "/home/user/git/root/root_install/lib/JupyROOT/kernel/rootkernel.py", line 22, in <module>
from metakernel import MetaKernel
File "/home/user/git/root/root_install/lib/ROOT/_facade.py", line 154, in _importhook
return _orig_ihook(name, *args, **kwds)
File "/home/user/.local/lib/python3.12/site-packages/metakernel/__init__.py", line 2, in <module>
from ._metakernel import (
ExceptionWrapper, MetaKernel, IPythonKernel, register_ipython_magics, get_metakernel,
MetaKernelApp)
File "/home/user/git/root/root_install/lib/ROOT/_facade.py", line 154, in _importhook
return _orig_ihook(name, *args, **kwds)
File "/home/user/.local/lib/python3.12/site-packages/metakernel/_metakernel.py", line 22, in <module>
from ipykernel.kernelapp import IPKernelApp
File "/home/user/git/root/root_install/lib/ROOT/_facade.py", line 154, in _importhook
return _orig_ihook(name, *args, **kwds)
File "/home/user/.local/lib/python3.12/site-packages/ipykernel/__init__.py", line 7, in <module>
from .connect import * # noqa: F403
^^^^^^^^^^^^^^^^^^^^^^
File "/home/user/git/root/root_install/lib/ROOT/_facade.py", line 154, in _importhook
return _orig_ihook(name, *args, **kwds)
File "/home/user/.local/lib/python3.12/site-packages/ipykernel/connect.py", line 12, in <module>
import jupyter_client
File "/home/user/git/root/root_install/lib/ROOT/_facade.py", line 154, in _importhook
return _orig_ihook(name, *args, **kwds)
File "/home/user/.local/lib/python3.12/site-packages/jupyter_client/__init__.py", line 3, in <module>
from .asynchronous import AsyncKernelClient
File "/home/user/git/root/root_install/lib/ROOT/_facade.py", line 154, in _importhook
return _orig_ihook(name, *args, **kwds)
File "/home/user/.local/lib/python3.12/site-packages/jupyter_client/asynchronous/__init__.py", line 1, in <module>
from .client import AsyncKernelClient # noqa
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/user/git/root/root_install/lib/ROOT/_facade.py", line 154, in _importhook
return _orig_ihook(name, *args, **kwds)
File "/home/user/.local/lib/python3.12/site-packages/jupyter_client/asynchronous/client.py", line 8, in <module>
import zmq.asyncio
File "/home/user/git/root/root_install/lib/ROOT/_facade.py", line 154, in _importhook
return _orig_ihook(name, *args, **kwds)
File "/home/user/.local/lib/python3.12/site-packages/zmq/__init__.py", line 52, in <module>
from zmq import backend
File "/home/user/git/root/root_install/lib/ROOT/_facade.py", line 154, in _importhook
return _orig_ihook(name, *args, **kwds)
File "/home/user/.local/lib/python3.12/site-packages/zmq/backend/__init__.py", line 30, in <module>
raise original_error from None
File "/home/user/.local/lib/python3.12/site-packages/zmq/backend/__init__.py", line 25, in <module>
_ns = select_backend(first)
File "/home/user/.local/lib/python3.12/site-packages/zmq/backend/select.py", line 31, in select_backend
mod = import_module(name)
File "/usr/lib64/python3.13/importlib/__init__.py", line 88, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/home/user/.local/lib/python3.12/site-packages/zmq/backend/cython/__init__.py", line 6, in <module>
from . import _zmq
File "/home/user/git/root/root_install/lib/ROOT/_facade.py", line 154, in _importhook
return _orig_ihook(name, *args, **kwds)
File "/home/user/.local/lib/python3.12/site-packages/zmq/backend/cython/_zmq.py", line 14, in <module>
raise ImportError("zmq Cython backend has not been compiled") from None
ImportError: zmq Cython backend has not been compiled
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "<frozen runpy>", line 198, in _run_module_as_main
File "<frozen runpy>", line 88, in _run_code
File "/home/user/git/root/root_install/lib/JupyROOT/kernel/rootkernel.py", line 24, in <module>
raise Exception("Error: package metakernel not found.(install it running 'pip install metakernel')")
Exception: Error: package metakernel not found.(install it running 'pip install metakernel')
Note that on a fresh install, from ipython import display
fails. To get around this, i’ve added the default user pip directory to $PYTHONPATH.
After this change, the code can progress further but yields the error i copied above.
pyzmq and metakernel are installed, and importable from a python interpreter, however something goes wrong with imports done within ROOT code.
ROOT Version: 6.30/06
Built for linuxx8664gcc on May 29 2024, 00:19:30
From tags/v6.30.06-0-g4f4e716372@v6.30.06-0-g4f4e716372
Platform: Fedora 40