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- """Publishing native (typically pickled) objects.
- """
-
- import warnings
- warnings.warn("ipykernel.datapub is deprecated. It has moved to ipyparallel.datapub", DeprecationWarning)
-
- # Copyright (c) IPython Development Team.
- # Distributed under the terms of the Modified BSD License.
-
- from traitlets.config import Configurable
- from traitlets import Instance, Dict, CBytes, Any
- from ipykernel.jsonutil import json_clean
- from ipykernel.serialize import serialize_object
- from jupyter_client.session import Session, extract_header
-
-
- class ZMQDataPublisher(Configurable):
-
- topic = topic = CBytes(b'datapub')
- session = Instance(Session, allow_none=True)
- pub_socket = Any(allow_none=True)
- parent_header = Dict({})
-
- def set_parent(self, parent):
- """Set the parent for outbound messages."""
- self.parent_header = extract_header(parent)
-
- def publish_data(self, data):
- """publish a data_message on the IOPub channel
-
- Parameters
- ----------
-
- data : dict
- The data to be published. Think of it as a namespace.
- """
- session = self.session
- buffers = serialize_object(data,
- buffer_threshold=session.buffer_threshold,
- item_threshold=session.item_threshold,
- )
- content = json_clean(dict(keys=list(data.keys())))
- session.send(self.pub_socket, 'data_message', content=content,
- parent=self.parent_header,
- buffers=buffers,
- ident=self.topic,
- )
-
-
- def publish_data(data):
- """publish a data_message on the IOPub channel
-
- Parameters
- ----------
-
- data : dict
- The data to be published. Think of it as a namespace.
- """
- warnings.warn("ipykernel.datapub is deprecated. It has moved to ipyparallel.datapub", DeprecationWarning)
-
- from ipykernel.zmqshell import ZMQInteractiveShell
- ZMQInteractiveShell.instance().data_pub.publish_data(data)
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