from bokeh.models import PolyDrawTool, PolyEditTool
from bokeh.plotting import figure, show
p = figure(x_range=(0, 10), y_range=(0, 10), width=400, height=400,
title='Poly Edit Tool')
p1 = p.patches([], [], fill_alpha=0.4)
p2 = p.patches([[1, 2, 3]], [[3, 5, 2]], fill_color='green', fill_alpha=0.4)
c1 = p.scatter([], [], size=10, color='red')
draw_tool = PolyDrawTool(renderers=[p1, p2])
edit_tool = PolyEditTool(renderers=[p1, p2], vertex_renderer=c1)
p.add_tools(draw_tool, edit_tool)
p.toolbar.active_drag = edit_tool
show(p)
