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"""Abstract base class for kernel managers."""
# Copyright (c) Jupyter Development Team.
# Distributed under the terms of the Modified BSD License.
import abc
from typing import Any
class KernelManagerABC(metaclass=abc.ABCMeta):
"""KernelManager ABC.
The docstrings for this class can be found in the base implementation:
`jupyter_client.manager.KernelManager`
"""
@abc.abstractproperty
def kernel(self) -> Any:
pass
# --------------------------------------------------------------------------
# Kernel management
# --------------------------------------------------------------------------
@abc.abstractmethod
def start_kernel(self, **kw: Any) -> None:
"""Start the kernel."""
pass
@abc.abstractmethod
def shutdown_kernel(self, now: bool = False, restart: bool = False) -> None:
"""Shut down the kernel."""
pass
@abc.abstractmethod
def restart_kernel(self, now: bool = False, **kw: Any) -> None:
"""Restart the kernel."""
pass
@abc.abstractproperty
def has_kernel(self) -> bool:
pass
@abc.abstractmethod
def interrupt_kernel(self) -> None:
"""Interrupt the kernel."""
pass
@abc.abstractmethod
def signal_kernel(self, signum: int) -> None:
"""Send a signal to the kernel."""
pass
@abc.abstractmethod
def is_alive(self) -> bool:
"""Test whether the kernel is alive."""
pass
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