upstream/ipython Files · IPython/kernel/channelsabc.py

Backport PR : Fix action do not provide icon....

Backport PR : Fix action do not provide icon. action might be undefined then button will get no icon. Prevent throwing an uncatched error and insert warning sign on button Will do better one I allow text instead of icon

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      """Abstract base classes for kernel client channels"""

      # Copyright (c) IPython Development Team.

      # Distributed under the terms of the Modified BSD License.

      import abc

      from IPython.utils.py3compat import with_metaclass

      class ChannelABC(with_metaclass(abc.ABCMeta, object)):

          """A base class for all channel ABCs."""

          @abc.abstractmethod

          def start(self):

              pass

          @abc.abstractmethod

          def stop(self):

              pass

          @abc.abstractmethod

          def is_alive(self):

              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

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				"""Abstract base classes for kernel client channels"""

				# Copyright (c) IPython Development Team.
				# Distributed under the terms of the Modified BSD License.

				import abc

				from IPython.utils.py3compat import with_metaclass


				class ChannelABC(with_metaclass(abc.ABCMeta, object)):
				"""A base class for all channel ABCs."""

				@abc.abstractmethod
				def start(self):
				pass

				@abc.abstractmethod
				def stop(self):
				pass

				@abc.abstractmethod
				def is_alive(self):
				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