JqChinaEtfRecorder

class zvt.recorders.joinquant.meta.jq_stock_meta_recorder.JqChinaEtfRecorder(force_update=True, sleeping_time=10)

Bases: zvt.recorders.joinquant.meta.jq_stock_meta_recorder.BaseJqChinaMetaRecorder

__init__(force_update=True, sleeping_time=10) → None

data_schema

alias of zvt.domain.meta.etf_meta.Etf

clear_state_data(entity_id=None)

clear state of the entity

Parameters

entity_id – entity id

decode_state(state: str)

decode state

Parameters

state –

Returns

encode_state(state: object)

encode state

Parameters

state –

Returns

state_schema

alias of zvt.contract.zvt_info.RecorderState

session

using to do db operations