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from __future__ import annotations
import os
from bokeh.core.properties import Int, String
from bokeh.embed import file_html
from bokeh.models import Tool
from bokeh.resources import CDN
from bokeh.util.compiler import JavaScript
fn = __file__
fn = os.path.join(os.path.dirname(fn), "export_tool.js")
with open(fn) as f:
JS_CODE = f.read()
class ExportTool(Tool):
__implementation__ = JavaScript(JS_CODE)
event = Int(default=0)
content = String()
def register_plot(self, plot):
def export_callback(attr, old, new):
# really, export the doc as JSON
self.content = None
html = file_html(plot, CDN, "Task Stream")
self.content = html
self.on_change("event", export_callback)
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