backtrader.bokeh.tabs.log module

Log tab.

Displays strategy execution logs.

class backtrader.bokeh.tabs.log.LogHandler

基类：Handler

Log handler.

Captures log messages and stores them in specified storage.

__init__(storage_key, max_records=1000)

Initialize log handler.

参数:

• storage_key -- Key to identify log storage in global dictionary.

• max_records -- Maximum number of log records to keep (default: 1000).

emit(record)

Emit a log record.

参数:

record -- Log record to process.

backtrader.bokeh.tabs.log.getlogger(name='backtrader', col=None)

Get logger with log handler.

参数:

• name -- Logger name

• col -- Custom columns (optional)

返回:

logging.Logger instance

class backtrader.bokeh.tabs.log.LogTab

基类：BokehTab

Log tab.

Displays log information during strategy execution.

cols

Column configuration for display

__init__(app, figurepage, client=None, cols=None)

Initialize log tab.

参数:

• app -- Bokeh application instance.

• figurepage -- Figure page instance.

• client -- Optional client instance.

• cols -- Custom column configuration for log display.

cols = ['Time', 'Level', 'Message']

backtrader.bokeh.tabs.log.LogTabs(cols)

Create log tab class with custom columns.

参数:

cols -- Column configuration

返回:

Custom LogTab class