quantpylib.datapoller.base

`BasePoller`

A base class for creating pollers to interact with various data sources.

Attributes:

Name	Type	Description
`pollers`	`dict`	A dictionary of pollers for different data sources.
`default_src`	`str`	The default data source to be used.
`stream_buffer`	`defaultdict`	A dictionary that stores deque instances for streaming data. Each call to `stream_market_data` from `BasePoller` instances will have the market-data streamed and appended in ascending (old to new) order to the `stream_buffer`, with length specified by `buffer_len`.

Initialize the BasePoller with pollers, stream buffer length, and default data source.

Parameters:

Name	Type	Description	Default
`pollers`	`dict`	A dictionary of pollers for different data sources.	required
`buffer_len`	`int`	Maximum length of the streaming buffer.	`1000000000`
`default_src`	`str`	The default data source to be used.	`''`