일단 커밋. 오랫동안 커밋을 안해서 꼬였다.

리팩토리 중.

.venv/lib/python3.12/site-packages/comm/__init__.py

@@ -0,0 +1,60 @@
+"""Comm package.
+
+Copyright (c) IPython Development Team.
+Distributed under the terms of the Modified BSD License.
+
+This package provides a way to register a Kernel Comm implementation, as per
+the Jupyter kernel protocol.
+It also provides a base Comm implementation and a default CommManager for the IPython case.
+"""
+from __future__ import annotations
+
+from typing import Any
+
+from .base_comm import BaseComm, BuffersType, CommManager, MaybeDict
+
+__version__ = "0.2.2"
+__all__ = [
+    "create_comm",
+    "get_comm_manager",
+    "__version__",
+]
+
+_comm_manager = None
+
+
+class DummyComm(BaseComm):
+    def publish_msg(
+        self,
+        msg_type: str,
+        data: MaybeDict = None,
+        metadata: MaybeDict = None,
+        buffers: BuffersType = None,
+        **keys: Any,
+    ) -> None:
+        pass
+
+
+def _create_comm(*args: Any, **kwargs: Any) -> BaseComm:
+    """Create a Comm.
+
+    This method is intended to be replaced, so that it returns your Comm instance.
+    """
+    return DummyComm(*args, **kwargs)
+
+
+def _get_comm_manager() -> CommManager:
+    """Get the current Comm manager, creates one if there is none.
+
+    This method is intended to be replaced if needed (if you want to manage multiple CommManagers).
+    """
+    global _comm_manager  # noqa: PLW0603
+
+    if _comm_manager is None:
+        _comm_manager = CommManager()
+
+    return _comm_manager
+
+
+create_comm = _create_comm
+get_comm_manager = _get_comm_manager

.venv/lib/python3.12/site-packages/comm/base_comm.py

@@ -0,0 +1,317 @@
+"""Default classes for Comm and CommManager, for usage in IPython.
+"""
+
+# Copyright (c) IPython Development Team.
+# Distributed under the terms of the Modified BSD License.
+from __future__ import annotations
+
+import contextlib
+import logging
+import typing as t
+import uuid
+
+from traitlets.utils.importstring import import_item
+
+import comm
+
+if t.TYPE_CHECKING:
+    from zmq.eventloop.zmqstream import ZMQStream
+
+logger = logging.getLogger("Comm")
+
+MessageType = t.Dict[str, t.Any]
+MaybeDict = t.Optional[t.Dict[str, t.Any]]
+BuffersType = t.Optional[t.List[bytes]]
+CommCallback = t.Callable[[MessageType], None]
+CommTargetCallback = t.Callable[["BaseComm", MessageType], None]
+
+
+class BaseComm:
+    """Class for communicating between a Frontend and a Kernel
+
+    Must be subclassed with a publish_msg method implementation which
+    sends comm messages through the iopub channel.
+    """
+
+    def __init__(
+        self,
+        target_name: str = "comm",
+        data: MaybeDict = None,
+        metadata: MaybeDict = None,
+        buffers: BuffersType = None,
+        comm_id: str | None = None,
+        primary: bool = True,
+        target_module: str | None = None,
+        topic: bytes | None = None,
+        _open_data: MaybeDict = None,
+        _close_data: MaybeDict = None,
+        **kwargs: t.Any,
+    ) -> None:
+        super().__init__(**kwargs)
+
+        self.comm_id = comm_id if comm_id else uuid.uuid4().hex
+        self.primary = primary
+        self.target_name = target_name
+        self.target_module = target_module
+        self.topic = topic if topic else ("comm-%s" % self.comm_id).encode("ascii")
+
+        self._open_data = _open_data if _open_data else {}
+        self._close_data = _close_data if _close_data else {}
+
+        self._msg_callback: CommCallback | None = None
+        self._close_callback: CommCallback | None = None
+
+        self._closed = True
+
+        if self.primary:
+            # I am primary, open my peer.
+            self.open(data=data, metadata=metadata, buffers=buffers)
+        else:
+            self._closed = False
+
+    def publish_msg(
+        self,
+        msg_type: str,  # noqa: ARG002
+        data: MaybeDict = None,  # noqa: ARG002
+        metadata: MaybeDict = None,  # noqa: ARG002
+        buffers: BuffersType = None,  # noqa: ARG002
+        **keys: t.Any,  # noqa: ARG002
+    ) -> None:
+        msg = "publish_msg Comm method is not implemented"
+        raise NotImplementedError(msg)
+
+    def __del__(self) -> None:
+        """trigger close on gc"""
+        with contextlib.suppress(Exception):
+            # any number of things can have gone horribly wrong
+            # when called during interpreter teardown
+            self.close(deleting=True)
+
+    # publishing messages
+
+    def open(
+        self, data: MaybeDict = None, metadata: MaybeDict = None, buffers: BuffersType = None
+    ) -> None:
+        """Open the frontend-side version of this comm"""
+
+        if data is None:
+            data = self._open_data
+        comm_manager = comm.get_comm_manager()
+        if comm_manager is None:
+            msg = "Comms cannot be opened without a comm_manager."  # type:ignore[unreachable]
+            raise RuntimeError(msg)
+
+        comm_manager.register_comm(self)
+        try:
+            self.publish_msg(
+                "comm_open",
+                data=data,
+                metadata=metadata,
+                buffers=buffers,
+                target_name=self.target_name,
+                target_module=self.target_module,
+            )
+            self._closed = False
+        except Exception:
+            comm_manager.unregister_comm(self)
+            raise
+
+    def close(
+        self,
+        data: MaybeDict = None,
+        metadata: MaybeDict = None,
+        buffers: BuffersType = None,
+        deleting: bool = False,
+    ) -> None:
+        """Close the frontend-side version of this comm"""
+        if self._closed:
+            # only close once
+            return
+        self._closed = True
+        if data is None:
+            data = self._close_data
+        self.publish_msg(
+            "comm_close",
+            data=data,
+            metadata=metadata,
+            buffers=buffers,
+        )
+        if not deleting:
+            # If deleting, the comm can't be registered
+            comm.get_comm_manager().unregister_comm(self)
+
+    def send(
+        self, data: MaybeDict = None, metadata: MaybeDict = None, buffers: BuffersType = None
+    ) -> None:
+        """Send a message to the frontend-side version of this comm"""
+        self.publish_msg(
+            "comm_msg",
+            data=data,
+            metadata=metadata,
+            buffers=buffers,
+        )
+
+    # registering callbacks
+
+    def on_close(self, callback: CommCallback | None) -> None:
+        """Register a callback for comm_close
+
+        Will be called with the `data` of the close message.
+
+        Call `on_close(None)` to disable an existing callback.
+        """
+        self._close_callback = callback
+
+    def on_msg(self, callback: CommCallback | None) -> None:
+        """Register a callback for comm_msg
+
+        Will be called with the `data` of any comm_msg messages.
+
+        Call `on_msg(None)` to disable an existing callback.
+        """
+        self._msg_callback = callback
+
+    # handling of incoming messages
+
+    def handle_close(self, msg: MessageType) -> None:
+        """Handle a comm_close message"""
+        logger.debug("handle_close[%s](%s)", self.comm_id, msg)
+        if self._close_callback:
+            self._close_callback(msg)
+
+    def handle_msg(self, msg: MessageType) -> None:
+        """Handle a comm_msg message"""
+        logger.debug("handle_msg[%s](%s)", self.comm_id, msg)
+        if self._msg_callback:
+            from IPython import get_ipython
+
+            shell = get_ipython()
+            if shell:
+                shell.events.trigger("pre_execute")
+            self._msg_callback(msg)
+            if shell:
+                shell.events.trigger("post_execute")
+
+
+class CommManager:
+    """Default CommManager singleton implementation for Comms in the Kernel"""
+
+    # Public APIs
+
+    def __init__(self) -> None:
+        self.comms: dict[str, BaseComm] = {}
+        self.targets: dict[str, CommTargetCallback] = {}
+
+    def register_target(self, target_name: str, f: CommTargetCallback | str) -> None:
+        """Register a callable f for a given target name
+
+        f will be called with two arguments when a comm_open message is received with `target`:
+
+        - the Comm instance
+        - the `comm_open` message itself.
+
+        f can be a Python callable or an import string for one.
+        """
+        if isinstance(f, str):
+            f = import_item(f)
+
+        self.targets[target_name] = t.cast(CommTargetCallback, f)
+
+    def unregister_target(self, target_name: str, f: CommTargetCallback) -> CommTargetCallback:  # noqa: ARG002
+        """Unregister a callable registered with register_target"""
+        return self.targets.pop(target_name)
+
+    def register_comm(self, comm: BaseComm) -> str:
+        """Register a new comm"""
+        comm_id = comm.comm_id
+        self.comms[comm_id] = comm
+        return comm_id
+
+    def unregister_comm(self, comm: BaseComm) -> None:
+        """Unregister a comm, and close its counterpart"""
+        # unlike get_comm, this should raise a KeyError
+        comm = self.comms.pop(comm.comm_id)
+
+    def get_comm(self, comm_id: str) -> BaseComm | None:
+        """Get a comm with a particular id
+
+        Returns the comm if found, otherwise None.
+
+        This will not raise an error,
+        it will log messages if the comm cannot be found.
+        """
+        try:
+            return self.comms[comm_id]
+        except KeyError:
+            logger.warning("No such comm: %s", comm_id)
+            if logger.isEnabledFor(logging.DEBUG):
+                # don't create the list of keys if debug messages aren't enabled
+                logger.debug("Current comms: %s", list(self.comms.keys()))
+            return None
+
+    # Message handlers
+
+    def comm_open(self, stream: ZMQStream, ident: str, msg: MessageType) -> None:  # noqa: ARG002
+        """Handler for comm_open messages"""
+        from comm import create_comm
+
+        content = msg["content"]
+        comm_id = content["comm_id"]
+        target_name = content["target_name"]
+        f = self.targets.get(target_name, None)
+        comm = create_comm(
+            comm_id=comm_id,
+            primary=False,
+            target_name=target_name,
+        )
+        self.register_comm(comm)
+        if f is None:
+            logger.error("No such comm target registered: %s", target_name)
+        else:
+            try:
+                f(comm, msg)
+                return
+            except Exception:
+                logger.error("Exception opening comm with target: %s", target_name, exc_info=True)
+
+        # Failure.
+        try:
+            comm.close()
+        except Exception:
+            logger.error(
+                """Could not close comm during `comm_open` failure
+                clean-up.  The comm may not have been opened yet.""",
+                exc_info=True,
+            )
+
+    def comm_msg(self, stream: ZMQStream, ident: str, msg: MessageType) -> None:  # noqa: ARG002
+        """Handler for comm_msg messages"""
+        content = msg["content"]
+        comm_id = content["comm_id"]
+        comm = self.get_comm(comm_id)
+        if comm is None:
+            return
+
+        try:
+            comm.handle_msg(msg)
+        except Exception:
+            logger.error("Exception in comm_msg for %s", comm_id, exc_info=True)
+
+    def comm_close(self, stream: ZMQStream, ident: str, msg: MessageType) -> None:  # noqa: ARG002
+        """Handler for comm_close messages"""
+        content = msg["content"]
+        comm_id = content["comm_id"]
+        comm = self.get_comm(comm_id)
+        if comm is None:
+            return
+
+        self.comms[comm_id]._closed = True
+        del self.comms[comm_id]
+
+        try:
+            comm.handle_close(msg)
+        except Exception:
+            logger.error("Exception in comm_close for %s", comm_id, exc_info=True)
+
+
+__all__ = ["CommManager", "BaseComm"]