[7.x] Remove deprecated zmq imports (#916)

* remove deprecated imports

* ignore dep warning in 7.x

* fix typing

* dep warning

jupyter_client/ioloop/restarter.py

@@ -24,7 +24,7 @@ def _loop_default(self):
             DeprecationWarning,
             stacklevel=4,
         )
-        from zmq.eventloop import ioloop
+        from tornado import ioloop
 
         return ioloop.IOLoop.current()
 

jupyter_client/session.py

@@ -30,6 +30,7 @@
 from typing import Union
 
 import zmq.asyncio
+from tornado.ioloop import IOLoop
 from traitlets import Any
 from traitlets import Bool
 from traitlets import CBytes
@@ -46,7 +47,6 @@
 from traitlets.config.configurable import LoggingConfigurable
 from traitlets.log import get_logger
 from traitlets.utils.importstring import import_item
-from zmq.eventloop.ioloop import IOLoop
 from zmq.eventloop.zmqstream import ZMQStream
 
 from jupyter_client import protocol_version

jupyter_client/threaded.py

@@ -16,10 +16,10 @@
 
 import nest_asyncio  # type:ignore
 import zmq
+from tornado.ioloop import IOLoop
 from traitlets import Instance
 from traitlets import Type
 from zmq import ZMQError
-from zmq.eventloop import ioloop
 from zmq.eventloop import zmqstream
 
 from .session import Session
@@ -48,7 +48,7 @@ def __init__(
         self,
         socket: Optional[zmq.Socket],
         session: Optional[Session],
-        loop: Optional[zmq.eventloop.ioloop.ZMQIOLoop],
+        loop: Optional[IOLoop],
     ) -> None:
         """Create a channel.
 
@@ -121,7 +121,8 @@ def _handle_recv(self, future_msg: Awaitable) -> None:
         Unpacks message, and calls handlers with it.
         """
         assert self.ioloop is not None
-        msg_list = self.ioloop._asyncio_event_loop.run_until_complete(get_msg(future_msg))
+        loop = self.ioloop._asyncio_event_loop  # type:ignore[attr-defined]
+        msg_list = loop.run_until_complete(get_msg(future_msg))
         assert self.session is not None
         ident, smsg = self.session.feed_identities(msg_list)
         msg = self.session.deserialize(smsg)
@@ -213,8 +214,8 @@ def run(self) -> None:
         loop = asyncio.new_event_loop()
         asyncio.set_event_loop(loop)
         nest_asyncio.apply(loop)
-        self.ioloop = ioloop.IOLoop()
-        self.ioloop._asyncio_event_loop = loop
+        self.ioloop = IOLoop()
+        self.ioloop._asyncio_event_loop = loop  # type:ignore[attr-defined]
         # signal that self.ioloop is defined
         self._start_event.set()
         while True:

pyproject.toml

@@ -128,7 +128,7 @@ filterwarnings= [
 
   # Workaround for https://github.com/tornadoweb/tornado/issues/3106
   # (To be fixed in Tornado 6.2)
-  "ignore:There is no current event loop:DeprecationWarning:tornado",
+  "ignore:There is no current event loop:DeprecationWarning",
 
   # ZMQ uses Future internally, which raises a DeprecationWarning
   # When there is no loop running.
@@ -138,6 +138,8 @@ filterwarnings= [
 
   # Workaround for jupyter_core warning.
   "module:Jupyter is migrating its paths to use standard platformdirs:DeprecationWarning",
+
+  "ignore:zmq.tests.BaseZMQTestCase is deprecated in pyzmq 25:DeprecationWarning",
 ]
 
 [tool.mypy]