##// END OF EJS Templates
Provide a more useful error for invalid use case....
Provide a more useful error for invalid use case. The previous help statement was not very usefull for users who don't know how to use nbconvert (ironically, the exact set of users who would encounter the error).

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channelsabc.py
126 lines | 2.8 KiB | text/x-python | PythonLexer
"""Abstract base classes for kernel client 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.channels.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.channels.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.channels.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.channels.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