Remove unused channel ABCs

IPython/kernel/channels.py

@@ -18,10 +18,7 from zmq.eventloop import ioloop, zmqstream
 
 from IPython.core.release import kernel_protocol_version_info
 
-from .channelsabc import (
-    ShellChannelABC, IOPubChannelABC,
-    HBChannelABC, StdInChannelABC,
-)
+from .channelsabc import HBChannelABC
 from IPython.utils.py3compat import string_types, iteritems
 
 #-----------------------------------------------------------------------------

IPython/kernel/channelsabc.py

@@ -24,38 +24,6 class ChannelABC(with_metaclass(abc.ABCMeta, object)):
         pass
 
 
-class ShellChannelABC(ChannelABC):
-    """ShellChannel ABC.
-
-    The docstrings for this class can be found in the base implementation:
-
-    `IPython.kernel.channels.ShellChannel`
-    """
-
-
-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`
-    """
-
-
-
 class HBChannelABC(ChannelABC):
     """HBChannel ABC.
 

IPython/kernel/client.py

@@ -13,9 +13,7 from IPython.utils.traitlets import (
     Any, Instance, Type,
 )
 
-from .channelsabc import (
-    ShellChannelABC, IOPubChannelABC, HBChannelABC, StdInChannelABC
-)
+from .channelsabc import (ChannelABC, HBChannelABC)
 from .channels import (
     make_shell_socket, make_stdin_socket, make_iopub_socket
 )
@@ -45,9 +43,9 class KernelClient(ConnectionFileMixin):
         return zmq.Context.instance()
 
     # The classes to use for the various channels
-    shell_channel_class = Type(ShellChannelABC)
-    iopub_channel_class = Type(IOPubChannelABC)
-    stdin_channel_class = Type(StdInChannelABC)
+    shell_channel_class = Type(ChannelABC)
+    iopub_channel_class = Type(ChannelABC)
+    stdin_channel_class = Type(ChannelABC)
     hb_channel_class = Type(HBChannelABC)
 
     # Protected traits

IPython/kernel/inprocess/channels.py

@@ -3,10 +3,7
 # Copyright (c) IPython Development Team.
 # Distributed under the terms of the Modified BSD License.
 
-from IPython.kernel.channelsabc import (
-    ShellChannelABC, IOPubChannelABC,
-    HBChannelABC, StdInChannelABC,
-)
+from IPython.kernel.channelsabc import HBChannelABC
 
 from .socket import DummySocket
 

IPython/qt/client.py

@@ -37,9 +37,6 class QtHBChannel(SuperQObject, HBChannel):
 
 from IPython.core.release import kernel_protocol_version_info
 
-from IPython.kernel.channelsabc import (
-    ShellChannelABC, IOPubChannelABC, StdInChannelABC,
-)
 from IPython.utils.py3compat import string_types, iteritems
 
 major_protocol_version = kernel_protocol_version_info[0]