Python Session.poll_document方法代码示例

# 需要导入模块: from bokeh.session import Session [as 别名]
# 或者: from bokeh.session.Session import poll_document [as 别名]

#.........这里部分代码省略.........
        manufacturer_select = Select(title="Manufacturer:", value="All", options=["All"] + manufacturers)
        manufacturer_select.on_change('value', self.on_manufacturer_change)
        model_select = Select(title="Model:", value="All", options=["All"] + models)
        model_select.on_change('value', self.on_model_change)
        transmission_select = Select(title="Transmission:", value="All", options=["All"] + transmissions)
        transmission_select.on_change('value', self.on_transmission_change)
        drive_select = Select(title="Drive:", value="All", options=["All"] + drives)
        drive_select.on_change('value', self.on_drive_change)
        class_select = Select(title="Class:", value="All", options=["All"] + classes)
        class_select.on_change('value', self.on_class_change)

        columns = [
            TableColumn(field="manufacturer", title="Manufacturer", editor=SelectEditor(options=manufacturers), formatter=StringFormatter(font_style="bold")),
            TableColumn(field="model",        title="Model",        editor=StringEditor(completions=models)),
            TableColumn(field="displ",        title="Displacement", editor=NumberEditor(step=0.1),              formatter=NumberFormatter(format="0.0")),
            TableColumn(field="year",         title="Year",         editor=IntEditor()),
            TableColumn(field="cyl",          title="Cylinders",    editor=IntEditor()),
            TableColumn(field="trans",        title="Transmission", editor=SelectEditor(options=transmissions)),
            TableColumn(field="drv",          title="Drive",        editor=SelectEditor(options=drives)),
            TableColumn(field="class",        title="Class",        editor=SelectEditor(options=classes)),
            TableColumn(field="cty",          title="City MPG",     editor=IntEditor()),
            TableColumn(field="hwy",          title="Highway MPG",  editor=IntEditor()),
        ]
        data_table = DataTable(source=self.source, columns=columns, editable=True)

        xdr = DataRange1d()
        ydr = DataRange1d()
        plot = Plot(title=None, x_range=xdr, y_range=ydr, plot_width=800, plot_height=300)
        xaxis = LinearAxis(plot=plot)
        plot.below.append(xaxis)
        yaxis = LinearAxis(plot=plot)
        ygrid = Grid(plot=plot, dimension=1, ticker=yaxis.ticker)
        plot.left.append(yaxis)
        cty_glyph = Circle(x="index", y="cty", fill_color="#396285", size=8, fill_alpha=0.5, line_alpha=0.5)
        hwy_glyph = Circle(x="index", y="hwy", fill_color="#CE603D", size=8, fill_alpha=0.5, line_alpha=0.5)
        cty = GlyphRenderer(data_source=self.source, glyph=cty_glyph)
        hwy = GlyphRenderer(data_source=self.source, glyph=hwy_glyph)
        tooltips = [
            ("Manufacturer", "@manufacturer"),
            ("Model", "@model"),
            ("Displacement", "@displ"),
            ("Year", "@year"),
            ("Cylinders", "@cyl"),
            ("Transmission", "@trans"),
            ("Drive", "@drv"),
            ("Class", "@class"),
        ]
        cty_hover_tool = HoverTool(plot=plot, renderers=[cty], tooltips=tooltips + [("City MPG", "@cty")])
        hwy_hover_tool = HoverTool(plot=plot, renderers=[hwy], tooltips=tooltips + [("Highway MPG", "@hwy")])
        select_tool = BoxSelectTool(plot=plot, renderers=[cty, hwy], dimensions=['width'])
        plot.tools.extend([cty_hover_tool, hwy_hover_tool, select_tool])
        plot.renderers.extend([cty, hwy, ygrid])

        controls = VBox(children=[manufacturer_select, model_select, transmission_select, drive_select, class_select], width=200)
        top_panel = HBox(children=[controls, plot])
        layout = VBox(children=[top_panel, data_table])

        return layout

    def on_manufacturer_change(self, obj, attr, _, value):
        self.manufacturer_filter = None if value == "All" else value
        self.update_data()

    def on_model_change(self, obj, attr, _, value):
        self.model_filter = None if value == "All" else value
        self.update_data()

    def on_transmission_change(self, obj, attr, _, value):
        self.transmission_filter = None if value == "All" else value
        self.update_data()

    def on_drive_change(self, obj, attr, _, value):
        self.drive_filter = None if value == "All" else value
        self.update_data()

    def on_class_change(self, obj, attr, _, value):
        self.class_filter = None if value == "All" else value
        self.update_data()

    def update_data(self):
        df = mpg
        if self.manufacturer_filter:
            df = df[df["manufacturer"] == self.manufacturer_filter]
        if self.model_filter:
            df = df[df["model"] == self.model_filter]
        if self.transmission_filter:
            df = df[df["trans"] == self.transmission_filter]
        if self.drive_filter:
            df = df[df["drv"] == self.drive_filter]
        if self.class_filter:
            df = df[df["class"] == self.class_filter]
        self.source.data = ColumnDataSource.from_df(df)
        self.session.store_document(self.document)

    def run(self, do_view=False, poll_interval=0.5):
        link = self.session.object_link(self.document.context)
        print("Please visit %s to see the plots" % link)
        if do_view: view(link)
        print("\npress ctrl-C to exit")
        self.session.poll_document(self.document)

# 需要导入模块: from bokeh.session import Session [as 别名]
# 或者: from bokeh.session.Session import poll_document [as 别名]
dropdown = Dropdown(label="Dropdown button", type="warning", menu=menu)
dropdown.on_click(dropdown_handler)

menu = [("Item 1", "foo"), ("Item 2", "bar"), None, ("Item 3", "baz")]
split = Dropdown(label="Split button", type="danger", menu=menu, default_action="baz")
split.on_click(split_handler)

checkbox_group = CheckboxGroup(labels=["Option 1", "Option 2", "Option 3"], active=[0, 1])
checkbox_group.on_click(checkbox_group_handler)

radio_group = RadioGroup(labels=["Option 1", "Option 2", "Option 3"], active=0)
radio_group.on_click(radio_group_handler)

checkbox_button_group = CheckboxButtonGroup(labels=["Option 1", "Option 2", "Option 3"], active=[0, 1])
checkbox_button_group.on_click(checkbox_button_group_handler)

radio_button_group = RadioButtonGroup(labels=["Option 1", "Option 2", "Option 3"], active=0)
radio_button_group.on_click(radio_button_group_handler)

vbox = VBox(children=[button, toggle, dropdown, split, checkbox_group, radio_group, checkbox_button_group, radio_button_group])

document.add(vbox)
session.store_document(document)

if __name__ == "__main__":
    link = session.object_link(document.context)
    print("Please visit %s to see the plots" % link)
    view(link)
    print("\npress ctrl-C to exit")
    session.poll_document(document)

# 需要导入模块: from bokeh.session import Session [as 别名]
# 或者: from bokeh.session.Session import poll_document [as 别名]

#.........这里部分代码省略.........
        self.update_data()

        self.document.add(self.create())
        self.session.store_document(self.document)

    def create(self):
        manufacturers = sorted(mpg["manufacturer"].unique())
        models = sorted(mpg["model"].unique())
        transmissions = sorted(mpg["trans"].unique())
        drives = sorted(mpg["drv"].unique())
        classes = sorted(mpg["class"].unique())

        manufacturer_select = Select(title="Manufacturer:", value="All", options=["All"] + manufacturers)
        manufacturer_select.on_change('value', self.on_manufacturer_change)
        model_select = Select(title="Model:", value="All", options=["All"] + models)
        model_select.on_change('value', self.on_model_change)
        transmission_select = Select(title="Transmission:", value="All", options=["All"] + transmissions)
        transmission_select.on_change('value', self.on_transmission_change)
        drive_select = Select(title="Drive:", value="All", options=["All"] + drives)
        drive_select.on_change('value', self.on_drive_change)
        class_select = Select(title="Class:", value="All", options=["All"] + classes)
        class_select.on_change('value', self.on_class_change)

        columns = [
            TableColumn(field="manufacturer", header="Manufacturer", type="autocomplete", source=manufacturers),
            TableColumn(field="model", header="Model", type="autocomplete", source=models),
            TableColumn(field="displ", header="Displacement", type="numeric", format="0.00"),
            TableColumn(field="year", header="Year", type="numeric"),
            TableColumn(field="cyl", header="Cylinders", type="numeric"),
            TableColumn(field="trans", header="Transmission", type="dropdown", strict=True, source=transmissions),
            TableColumn(field="drv", header="Drive", type="autocomplete", strict=True, source=drives),
            TableColumn(field="class", header="Class", type="autocomplete", strict=True, source=classes),
            TableColumn(field="cty", header="City MPG", type="numeric"),
            TableColumn(field="hwy", header="Highway MPG", type="numeric"),
        ]
        handson_table = HandsonTable(source=self.source, columns=columns, sorting=True)

        xdr = DataRange1d(sources=[self.source.columns("index")])
        #xdr = FactorRange(factors=manufacturers)
        ydr = DataRange1d(sources=[self.source.columns("cty"), self.source.columns("hwy")])
        plot = Plot(title=None, data_sources=[self.source], x_range=xdr, y_range=ydr, plot_width=800, plot_height=300)
        xaxis = LinearAxis(plot=plot)
        plot.below.append(xaxis)
        yaxis = LinearAxis(plot=plot)
        ygrid = Grid(plot=plot, dimension=1, ticker=yaxis.ticker)
        plot.left.append(yaxis)
        cty = Glyph(data_source=self.source, glyph=Circle(x="index", y="cty", fill_color="#396285", size=8, fill_alpha=0.5, line_alpha=0.5))
        hwy = Glyph(data_source=self.source, glyph=Circle(x="index", y="hwy", fill_color="#CE603D", size=8, fill_alpha=0.5, line_alpha=0.5))
        select_tool = BoxSelectTool(renderers=[cty, hwy], select_y=False)
        plot.tools.append(select_tool)
        overlay = BoxSelectionOverlay(tool=select_tool)
        plot.renderers.extend([cty, hwy, ygrid, overlay])

        controls = VBox(children=[manufacturer_select, model_select, transmission_select, drive_select, class_select], width=200)
        top_panel = HBox(children=[controls, plot])
        layout = VBox(children=[top_panel, handson_table])

        return layout

    def on_manufacturer_change(self, obj, attr, _, value):
        self.manufacturer_filter = None if value == "All" else value
        self.update_data()

    def on_model_change(self, obj, attr, _, value):
        self.model_filter = None if value == "All" else value
        self.update_data()

    def on_transmission_change(self, obj, attr, _, value):
        self.transmission_filter = None if value == "All" else value
        self.update_data()

    def on_drive_change(self, obj, attr, _, value):
        self.drive_filter = None if value == "All" else value
        self.update_data()

    def on_class_change(self, obj, attr, _, value):
        self.class_filter = None if value == "All" else value
        self.update_data()

    def update_data(self):
        df = mpg
        if self.manufacturer_filter:
            df = df[df["manufacturer"] == self.manufacturer_filter]
        if self.model_filter:
            df = df[df["model"] == self.model_filter]
        if self.transmission_filter:
            df = df[df["trans"] == self.transmission_filter]
        if self.drive_filter:
            df = df[df["drv"] == self.drive_filter]
        if self.class_filter:
            df = df[df["class"] == self.class_filter]
        self.source.data = ColumnDataSource.from_df(df)
        self.session.store_document(self.document)

    def run(self, do_view=False, poll_interval=0.5):
        link = self.session.object_link(self.document.context)
        print("Please visit %s to see the plots" % link)
        if do_view: view(link)
        print("\npress ctrl-C to exit")
        self.session.poll_document(self.document)