63 lines
1.9 KiB
Python
63 lines
1.9 KiB
Python
"""Publishing native (typically pickled) objects.
|
|
"""
|
|
|
|
import warnings
|
|
warnings.warn("yap_kernel.datapub is deprecated. It has moved to ipyparallel.datapub", DeprecationWarning)
|
|
|
|
# Copyright (c) yap_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 yap_kernel.jsonutil import json_clean
|
|
from yap_kernel.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("yap_kernel.datapub is deprecated. It has moved to ipyparallel.datapub", DeprecationWarning)
|
|
|
|
from yap_kernel.zmqshell import ZMQInteractiveShell
|
|
ZMQInteractiveShell.instance().data_pub.publish_data(data)
|