def render_mimebundle(model, doc, comm):
"""
Displays bokeh output inside a notebook using the PyViz display
and comms machinery.
"""
if not isinstance(model, LayoutDOM):
raise ValueError('Can only render bokeh LayoutDOM models')
add_to_doc(model, doc, True)
target = model.ref['id']
# Publish plot HTML
bokeh_script, bokeh_div, _ = bokeh.embed.notebook.notebook_content(
model, comm.id)
html = encode_utf8(bokeh_div)
# Publish bokeh plot JS
msg_handler = bokeh_msg_handler.format(plot_id=target)
comm_js = comm.js_template.format(plot_id=target,
comm_id=comm.id,
msg_handler=msg_handler)
bokeh_js = '\n'.join([comm_js, bokeh_script])
bokeh_js = embed_js.format(widget_id=target, plot_id=target,
html=html) + bokeh_js
data = {
EXEC_MIME: '',
'text/html': html,
'application/javascript': bokeh_js
}
metadata = {EXEC_MIME: {'id': target}}
return data, metadata
def components(self, obj, fmt=None, comm=True, **kwargs):
"""
Returns data and metadata dictionaries containing HTML and JS
components to include render in app, notebook, or standalone
document. Depending on the backend the fmt defines the format
embedded in the HTML, e.g. png or svg. If comm is enabled the
JS code will set up a Websocket comm channel using the
currently defined CommManager.
"""
if isinstance(obj, (Plot, NdWidget)):
plot = obj
else:
plot, fmt = self._validate(obj, fmt)
widget_id = None
data, metadata = {}, {}
if isinstance(plot, NdWidget):
js, html = plot(as_script=True)
plot_id = plot.plot_id
widget_id = plot.id
else:
html, js = self._figure_data(plot, fmt, as_script=True, **kwargs)
plot_id = plot.id
if comm and plot.comm is not None and self.comm_msg_handler:
msg_handler = self.comm_msg_handler.format(plot_id=plot_id)
html = plot.comm.html_template.format(init_frame=html,
plot_id=plot_id)
comm_js = plot.comm.js_template.format(msg_handler=msg_handler,
comm_id=plot.comm.id,
plot_id=plot_id)
js = '\n'.join([js, comm_js])
html = "<div id='%s' style='display: table; margin: 0 auto;'>%s</div>" % (
plot_id, html)
if not os.environ.get('HV_DOC_HTML', False) and js is not None:
js = embed_js.format(
widget_id=widget_id, plot_id=plot_id, html=html) + js
data['text/html'] = html
if js:
data[MIME_TYPES['js']] = js
data[MIME_TYPES['jlab-hv-exec']] = ''
metadata['id'] = plot_id
self._plots[plot_id] = plot
return (data, {MIME_TYPES['jlab-hv-exec']: metadata})
def components(self, obj, fmt=None, comm=True, **kwargs):
"""
Returns data and metadata dictionaries containing HTML and JS
components to include render in app, notebook, or standalone
document. Depending on the backend the fmt defines the format
embedded in the HTML, e.g. png or svg. If comm is enabled the
JS code will set up a Websocket comm channel using the
currently defined CommManager.
"""
if isinstance(obj, (Plot, NdWidget)):
plot = obj
else:
plot, fmt = self._validate(obj, fmt)
widget_id = None
data, metadata = {}, {}
if isinstance(plot, NdWidget):
js, html = plot(as_script=True)
plot_id = plot.plot_id
widget_id = plot.id
else:
html, js = self._figure_data(plot, fmt, as_script=True, **kwargs)
plot_id = plot.id
if comm and plot.comm is not None and self.comm_msg_handler:
msg_handler = self.comm_msg_handler.format(plot_id=plot_id)
html = plot.comm.html_template.format(init_frame=html,
plot_id=plot_id)
comm_js = plot.comm.js_template.format(msg_handler=msg_handler,
comm_id=plot.comm.id,
plot_id=plot_id)
js = '\n'.join([js, comm_js])
html = "<div id='%s' style='display: table; margin: 0 auto;'>%s</div>" % (plot_id, html)
if not os.environ.get('HV_DOC_HTML', False) and js is not None:
js = embed_js.format(widget_id=widget_id, plot_id=plot_id, html=html) + js
data['text/html'] = html
if js:
data[MIME_TYPES['js']] = js
data[MIME_TYPES['jlab-hv-exec']] = ''
metadata['id'] = plot_id
self._plots[plot_id] = plot
return (data, {MIME_TYPES['jlab-hv-exec']: metadata})
def render_model(model, comm=None):
if not isinstance(model, Model):
raise ValueError("notebook_content expects a single Model instance")
target = model.ref['id']
(docs_json, [render_item]) = standalone_docs_json_and_render_items([model])
div = div_for_render_item(render_item)
render_item = render_item.to_json()
script = DOC_NB_JS.render(
docs_json=serialize_json(docs_json),
render_items=serialize_json([render_item]),
)
bokeh_script, bokeh_div = encode_utf8(script), encode_utf8(div)
html = "<div id='{id}'>{html}</div>".format(id=target, html=bokeh_div)
# Publish bokeh plot JS
msg_handler = bokeh_msg_handler.format(plot_id=target)
if comm:
comm_js = comm.js_template.format(plot_id=target,
comm_id=comm.id,
msg_handler=msg_handler)
bokeh_js = '\n'.join([comm_js, bokeh_script])
else:
bokeh_js = bokeh_script
bokeh_js = embed_js.format(
widget_id=target, plot_id=target, html=bokeh_div) + bokeh_js
data = {
EXEC_MIME: '',
'text/html': html,
'application/javascript': bokeh_js
}
metadata = {EXEC_MIME: {'id': target}}
return data, metadata
