/usr/lib/python3/dist-packages/ipykernel/inprocess/socket.py is in python3-ipykernel 4.8.2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright (c) IPython Development Team.
# Distributed under the terms of the Modified BSD License.
import abc
import warnings
try:
from queue import Queue # Py 3
except ImportError:
from Queue import Queue # Py 2
import zmq
from traitlets import HasTraits, Instance, Int
from ipython_genutils.py3compat import with_metaclass
#-----------------------------------------------------------------------------
# Generic socket interface
#-----------------------------------------------------------------------------
class SocketABC(with_metaclass(abc.ABCMeta, object)):
@abc.abstractmethod
def recv_multipart(self, flags=0, copy=True, track=False):
raise NotImplementedError
@abc.abstractmethod
def send_multipart(self, msg_parts, flags=0, copy=True, track=False):
raise NotImplementedError
@classmethod
def register(cls, other_cls):
if other_cls is not DummySocket:
warnings.warn("SocketABC is deprecated since ipykernel version 4.5.0.",
DeprecationWarning, stacklevel=2)
abc.ABCMeta.register(cls, other_cls)
#-----------------------------------------------------------------------------
# Dummy socket class
#-----------------------------------------------------------------------------
class DummySocket(HasTraits):
""" A dummy socket implementing (part of) the zmq.Socket interface. """
queue = Instance(Queue, ())
message_sent = Int(0) # Should be an Event
context = Instance(zmq.Context)
def _context_default(self):
return zmq.Context.instance()
#-------------------------------------------------------------------------
# Socket interface
#-------------------------------------------------------------------------
def recv_multipart(self, flags=0, copy=True, track=False):
return self.queue.get_nowait()
def send_multipart(self, msg_parts, flags=0, copy=True, track=False):
msg_parts = list(map(zmq.Message, msg_parts))
self.queue.put_nowait(msg_parts)
self.message_sent += 1
SocketABC.register(DummySocket)
|