def doRenderChart(self):
def genMarkup(chartFigure):
return self.env.from_string("""
<script class="pd_save">
if ( !window.Bokeh && !window.autoload){{
window.autoload=true;
{loadJS}
}}
</script>
{chartFigure}
{{%for message in messages%}}
<div>{{{{message}}}}</div>
{{%endfor%}}
""".format(
chartFigure=chartFigure,
loadJS=self.getLoadJS())).render(messages=self.messages)
if BokehBaseDisplay.bokeh_version < (0, 12):
raise Exception("""
<div>Incorrect version of Bokeh detected. Expected {0}, got {1}</div>
<div>Please upgrade by using the following command: <b>!pip install --user --upgrade bokeh</b></div>
""".format((0, 12), BokehBaseDisplay.bokeh_version))
clientHasBokeh = self.options.get("nostore_bokeh", "false") == "true"
if not clientHasBokeh:
output_notebook(hide_banner=True)
charts = self.createBokehChart()
if not isinstance(charts, list):
charts.add_tools(ResizeTool())
#bokeh 0.12.5 has a non backward compatible change on the title field. It is now of type Title
#following line is making sure that we are still working with 0.12.4 and below
if hasattr(charts, "title") and hasattr(charts.title, "text"):
charts.title.text = self.options.get("title", "")
else:
charts.title = self.options.get("title", "")
charts.plot_width = int(self.getPreferredOutputWidth() - 10)
charts.plot_height = int(self.getPreferredOutputHeight() - 10)
charts.grid.grid_line_alpha = 0.3
return genMarkup(notebook_div(charts))
else:
from bokeh.layouts import gridplot
ncols = 2
nrows = len(charts) / 2 + len(charts) % 2
w = self.getPreferredOutputWidth() / ncols if len(
charts) > 1 else self.getPreferredOutputWidth()
h = w * self.getHeightWidthRatio() if len(
charts) > 1 else self.getPreferredOutputHeight()
for chart in charts:
chart.plot_width = int(w - 5)
chart.plot_height = int(h - 5)
return genMarkup(
notebook_div(gridplot(charts, ncols=ncols, nrows=nrows)))
def __init__(self,
bokeh_plot,
callback,
delay=200,
timeout=2000,
throttle=None,
**kwargs):
self.p = bokeh_plot
self.callback = callback
self.kwargs = kwargs
self.ref = str(uuid.uuid4())
self.comms_handle = None
self.delay = delay
self.timeout = timeout
if throttle:
print(
"Warning: throttle parameter no longer supported; will not be accepted in future versions"
)
# Initialize the image and callback
self.ds, self.renderer = self._init_image()
callback = self._init_callback()
self.p.x_range.callback = callback
self.p.y_range.callback = callback
# Initialize document
doc_handler = add_to_document(self.p)
with doc_handler:
self.doc = doc_handler._doc
self.div = notebook_div(self.p, self.ref)
def doRenderChart(self):
def genMarkup(chartFigure):
return self.env.from_string("""
{0}
{{%for message in messages%}}
<div>{{{{message}}}}</div>
{{%endfor%}}
""".format(chartFigure)
).render(messages=self.messages)
if BokehBaseDisplay.bokeh_version < (0,12):
raise Exception("""
<div>Incorrect version of Bokeh detected. Expected {0}, got {1}</div>
<div>Please upgrade by using the following command: <b>!pip install --user --upgrade bokeh</b></div>
""".format((0,12), BokehBaseDisplay.bokeh_version))
clientHasBokeh = self.options.get("nostore_bokeh", "false") == "true"
if not clientHasBokeh:
output_notebook(hide_banner=True)
charts = self.createBokehChart()
if not isinstance(charts, list):
charts.add_tools(ResizeTool())
charts.title = self.options.get("title", "")
charts.plot_width = int(self.getPreferredOutputWidth() - 10 )
charts.plot_height = int(self.getPreferredOutputHeight() - 10 )
charts.grid.grid_line_alpha=0.3
return genMarkup(notebook_div(charts))
else:
from bokeh.layouts import gridplot
ncols = 1
nrows = 2
if(len(charts) > nrows):
ncols = int(len(charts) / nrows)
if(len(charts) % nrows != 0):
ncols = ncols + 1
w = self.getPreferredOutputWidth()/ncols if len(charts) > 1 else self.getPreferredOutputWidth()
h = self.getPreferredOutputWidth()/nrows if len(charts) > 1 else self.getPreferredOutputWidth()
for chart in charts:
chart.plot_width = int(w - 5)
chart.plot_height = int (h - 5)
return genMarkup(notebook_div(gridplot(charts, ncols=ncols, nrows=nrows)))
def doRender(self, handlerId):
clientHasBokeh = self.options.get("nostore_bokeh", "false") == "true"
if not clientHasBokeh:
output_notebook(hide_banner=True)
data = self.entity.getNextData()
if data is None:
return
x = None
y = None
if isinstance(data, (list, np.ndarray)):
x = list(
range(self.windowSize)
) if self.glyphRenderer is None else self.glyphRenderer.data_source.data[
'x']
y = data if self.glyphRenderer is None else self._concatArrays(
self.glyphRenderer.data_source.data['y'], data)
if len(y) < self.windowSize:
y = [0] * (self.windowSize - len(y)) + y
elif len(y) > self.windowSize:
y = self._delWindowElements(y)
elif isinstance(data, pandas.core.frame.DataFrame):
pd = pd.drop(pd.index[[0]])
#pd.index = list(range(len(pd.index)))
pd['x'] = list(range(len(pd.index)))
else:
x = data[0]
y = data[1]
if self.glyphRenderer is None:
self.glyphRenderer = self.createGlyphRenderer(self.figure, x, y)
else:
self.updateGlyphRenderer(self.figure, self.glyphRenderer)
if self.glyphRenderer is None:
print("Error: no glyphRenderer found")
return
self.glyphRenderer.data_source.data['x'] = x
self.glyphRenderer.data_source.data['y'] = y
if not self.handleId:
self.handleId = make_id()
if self.figure not in _state.document.roots:
_state.document.add_root(self.figure)
target = notebook_div(self.figure, self.handleId)
from IPython.display import display as ipythonDisplay, HTML, Javascript
ipythonDisplay(HTML(target))
self.comms_handle = _CommsHandle(get_comms(self.handleId),
_state.document,
_state.document.to_json())
else:
push_notebook(handle=self.comms_handle)
def __init__(self, bokeh_plot, callback, throttle=500, **kwargs):
self.p = bokeh_plot
self.callback = callback
self.kwargs = kwargs
self.ref = str(uuid.uuid4())
self.comms_handle = None
self.throttle = throttle
# Initialize the image and callback
self.ds, self.renderer = self._init_image()
callback = self._init_callback()
self.p.x_range.callback = callback
self.p.y_range.callback = callback
# Initialize document
doc_handler = add_to_document(self.p)
with doc_handler:
self.doc = doc_handler._doc
self.div = notebook_div(self.p, self.ref)
def __init__(self, bokeh_plot, callback, throttle=500, **kwargs):
self.p = bokeh_plot
self.callback = callback
self.kwargs = kwargs
self.ref = str(uuid.uuid4())
self.comms_handle = None
self.throttle = throttle
# Initialize the image and callback
self.ds, self.renderer = self._init_image()
callback = self._init_callback()
self.p.x_range.callback = callback
self.p.y_range.callback = callback
# Initialize document
doc_handler = add_to_document(self.p)
with doc_handler:
self.doc = doc_handler._doc
self.div = notebook_div(self.p, self.ref)
def __init__(self, bokeh_plot, callback, delay=200, timeout=2000, throttle=None,
**kwargs):
self.p = bokeh_plot
self.callback = callback
self.kwargs = kwargs
self.ref = str(uuid.uuid4())
self.comms_handle = None
self.delay = delay
self.timeout = timeout
if throttle:
print("Warning: throttle parameter no longer supported; will not be accepted in future versions")
# Initialize the image and callback
self.ds, self.renderer = self._init_image()
callback = self._init_callback()
self.p.x_range.callback = callback
self.p.y_range.callback = callback
# Initialize document
doc_handler = add_to_document(self.p)
with doc_handler:
self.doc = doc_handler._doc
self.div = notebook_div(self.p, self.ref)
def doRender(self, handlerId):
clientHasBokeh = self.options.get("nostore_bokeh", "false") == "true"
if not clientHasBokeh:
output_notebook(hide_banner=True)
data = self.entity.getNextData()
if data is None:
return
x = None
y = None
if isinstance(data, (list, np.ndarray)):
x = list(
range(self.windowSize)
) if self.glyphRenderer is None else self.glyphRenderer.data_source.data[
'x']
y = data if self.glyphRenderer is None else self._concatArrays(
self.glyphRenderer.data_source.data['y'], data)
if len(y) < self.windowSize:
y = [0] * (self.windowSize - len(y)) + y
elif len(y) > self.windowSize:
y = self._delWindowElements(y)
elif isinstance(data, pandas.core.frame.DataFrame):
pd = pd.drop(pd.index[[0]])
#pd.index = list(range(len(pd.index)))
pd['x'] = list(range(len(pd.index)))
else:
x = data[0]
y = data[1]
if self.glyphRenderer is None:
self.glyphRenderer = self.createGlyphRenderer(self.figure, x, y)
else:
self.updateGlyphRenderer(self.figure, self.glyphRenderer)
if self.glyphRenderer is None:
print("Error: no glyphRenderer found")
return
self.glyphRenderer.data_source.data['x'] = x
self.glyphRenderer.data_source.data['y'] = y
if not self.handleId:
self.handleId = make_id()
if self.figure not in _state.document.roots:
_state.document.add_root(self.figure)
activesStreamingEntities[self.getPrefix()] = self
target = """
<div pd_refresh_rate="2000">
<pd_script>
from pixiedust.display.streamingDisplay import *
displayHandler = activesStreamingEntities["{prefix}"]
displayHandler.render()
</pd_script>
</div>
<div id="target{prefix}">
{chart}
</div>
""".format(chart=notebook_div(self.figure, self.handleId),
prefix=self.getPrefix())
from IPython.display import display as ipythonDisplay, HTML
ipythonDisplay(HTML(target))
self.comms_handle = _CommsHandle(get_comms(self.handleId),
_state.document,
_state.document.to_json())
else:
push_notebook(handle=self.comms_handle)
def _repr_html_(self):
self.doc = Document()
for m in self.p.references():
m._document = None
self.doc.add_root(self.p)
return notebook_div(self.p, self.ref)