reporting-engine/kpi_dashboard_bokeh/models/kpi_kpi.py

# Copyright 2020 Creu Blanca
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
from odoo import fields, models
import logging

_logger = logging.getLogger(__name__)

try:
    from bokeh.plotting import figure
    from bokeh.themes import Theme
    from bokeh.embed import components
except ImportError as e:
    _logger.error(e)


class KpiKpi(models.Model):

    _inherit = "kpi.kpi"

    widget = fields.Selection(selection_add=[("bokeh", "Bokeh")])

    def _get_bokeh_theme(self):
        return Theme(json={
            "attrs": {
                "Figure": {
                    "background_fill_alpha": 0,
                    "border_fill_alpha": 0,
                    "outline_line_alpha": 0,
                },
                "Legend": {
                    "border_line_alpha": 0,
                    "background_fill_alpha": 0,
                },
                "ColorBar": {
                    "bar_line_alpha": 0,
                    "background_fill_alpha": 0,
                },
            }
        })

    def _get_code_input_dict(self):
        res = super()._get_code_input_dict()
        if self.widget == 'bokeh':
            res.update({
                'figure': figure,
                'components': components,
                'simple_components': lambda r: components(
                    r, theme=self._get_bokeh_theme())
            })
        return res