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"""Abstract base classes for kernel manager and channels."""
#-----------------------------------------------------------------------------
# Copyright (C) 2013 The IPython Development Team
#
# Distributed under the terms of the BSD License. The full license is in
# the file COPYING, distributed as part of this software.
#-----------------------------------------------------------------------------
#-----------------------------------------------------------------------------
# Imports
#-----------------------------------------------------------------------------
# Standard library imports.
import abc
#-----------------------------------------------------------------------------
# Channels
#-----------------------------------------------------------------------------
class ChannelABC(object):
"""A base class for all channel ABCs."""
__metaclass__ = abc.ABCMeta
@abc.abstractmethod
def start(self):
pass
@abc.abstractmethod
def stop(self):
pass
@abc.abstractmethod
def is_alive(self):
pass
class ShellChannelABC(ChannelABC):
"""ShellChannel ABC.
The docstrings for this class can be found in the base implementation:
`IPython.kernel.kernelmanager.ShellChannel`
"""
@abc.abstractproperty
def allow_stdin(self):
pass
@abc.abstractmethod
def execute(self, code, silent=False, store_history=True,
user_variables=None, user_expressions=None, allow_stdin=None):
pass
@abc.abstractmethod
def complete(self, text, line, cursor_pos, block=None):
pass
@abc.abstractmethod
def object_info(self, oname, detail_level=0):
pass
@abc.abstractmethod
def history(self, raw=True, output=False, hist_access_type='range', **kwargs):
pass
@abc.abstractmethod
def kernel_info(self):
pass
@abc.abstractmethod
def shutdown(self, restart=False):
pass
class IOPubChannelABC(ChannelABC):
"""IOPubChannel ABC.
The docstrings for this class can be found in the base implementation:
`IPython.kernel.kernelmanager.IOPubChannel`
"""
@abc.abstractmethod
def flush(self, timeout=1.0):
pass
class StdInChannelABC(ChannelABC):
"""StdInChannel ABC.
The docstrings for this class can be found in the base implementation:
`IPython.kernel.kernelmanager.StdInChannel`
"""
@abc.abstractmethod
def input(self, string):
pass
class HBChannelABC(ChannelABC):
"""HBChannel ABC.
The docstrings for this class can be found in the base implementation:
`IPython.kernel.kernelmanager.HBChannel`
"""
@abc.abstractproperty
def time_to_dead(self):
pass
@abc.abstractmethod
def pause(self):
pass
@abc.abstractmethod
def unpause(self):
pass
@abc.abstractmethod
def is_beating(self):
pass
#-----------------------------------------------------------------------------
# Main kernel manager class
#-----------------------------------------------------------------------------
class KernelManagerABC(object):
"""KernelManager ABC.
The docstrings for this class can be found in the base implementation:
`IPython.kernel.kernelmanager.KernelManager`
"""
__metaclass__ = abc.ABCMeta
@abc.abstractproperty
def kernel(self):
pass
@abc.abstractproperty
def shell_channel_class(self):
pass
@abc.abstractproperty
def iopub_channel_class(self):
pass
@abc.abstractproperty
def hb_channel_class(self):
pass
@abc.abstractproperty
def stdin_channel_class(self):
pass
#--------------------------------------------------------------------------
# Channel management methods
#--------------------------------------------------------------------------
@abc.abstractmethod
def start_channels(self, shell=True, iopub=True, stdin=True, hb=True):
pass
@abc.abstractmethod
def stop_channels(self):
pass
@abc.abstractproperty
def channels_running(self):
pass
@abc.abstractproperty
def shell_channel(self):
pass
@abc.abstractproperty
def iopub_channel(self):
pass
@abc.abstractproperty
def stdin_channel(self):
pass
@abc.abstractproperty
def hb_channel(self):
pass
#--------------------------------------------------------------------------
# Kernel management
#--------------------------------------------------------------------------
@abc.abstractmethod
def start_kernel(self, **kw):
pass
@abc.abstractmethod
def shutdown_kernel(self, now=False, restart=False):
pass
@abc.abstractmethod
def restart_kernel(self, now=False, **kw):
pass
@abc.abstractproperty
def has_kernel(self):
pass
@abc.abstractmethod
def interrupt_kernel(self):
pass
@abc.abstractmethod
def signal_kernel(self, signum):
pass
@abc.abstractmethod
def is_alive(self):
pass
|
