backtrader.bokeh.tab module

Tab base class.

Provides extensible tab architecture for creating custom tabs.

class backtrader.bokeh.tab.BokehTab

Bases: object

Tab base class.

Abstract base class for creating custom tabs. Subclasses must implement _is_useable and _get_panel methods.

_app

BacktraderBokeh application instance

_figurepage

Figure page instance

_client

Client instance (optional, for live mode)

_panel

Bokeh Panel instance

Example

class MyCustomTab(BokehTab):

def _is_useable(self):

return True

def _get_panel(self):

from bokeh.models import Div div = Div(text=’<h1>My Content</h1>’) return div, ‘My Tab’

__init__(app, figurepage, client=None)

Initialize tab.

Parameters:

• app – BacktraderBokeh application instance

• figurepage – Figure page instance

• client – Client instance (optional)

is_useable()

Public interface: Check if tab is useable.

Returns:

Whether tab is useable

Return type:

bool

get_panel()

Public interface: Get Bokeh Panel.

Returns:

Bokeh Panel instance

Return type:

Panel

property strategy

Get strategy instance.

property scheme

Get theme instance.