LimitDownInfo

class zvt.domain.emotion.emotion.LimitDownInfo(**kwargs)

Bases: sqlalchemy.orm.decl_api.Base, zvt.contract.schema.Mixin

__init__(**kwargs)

A simple constructor that allows initialization from kwargs.

Sets attributes on the constructed instance using the names and values in kwargs.

Only keys that are present as attributes of the instance’s class are allowed. These could be, for example, any mapped columns or relationships.

is_new

是否新股

is_again_limit

是否回封，是就是打开过，否相反

currency_value

流通市值

change_pct

涨幅

turnover_rate

换手率

entity_id

entity id

classmethod get_providers() → List[str]

providers of the schema defined by cls

Returns

providers

classmethod get_storages(provider: Optional[str] = None)

get the storages info

Parameters

provider – provider

Returns

storages

id

id

classmethod query_data(provider_index: int = 0, ids: Optional[List[str]] = None, entity_ids: Optional[List[str]] = None, entity_id: Optional[str] = None, codes: Optional[List[str]] = None, code: Optional[str] = None, level: Optional[Union[zvt.contract.IntervalLevel, str]] = None, provider: Optional[str] = None, columns: Optional[List] = None, col_label: Optional[dict] = None, return_type: str = 'df', start_timestamp: Optional[Union[str, pandas._libs.tslibs.timestamps.Timestamp]] = None, end_timestamp: Optional[Union[str, pandas._libs.tslibs.timestamps.Timestamp]] = None, filters: Optional[List] = None, session: Optional[sqlalchemy.orm.session.Session] = None, order=None, limit: Optional[int] = None, index: Optional[Union[str, list]] = None, drop_index_col=False, time_field: str = 'timestamp')

query data by the arguments

Parameters

  • provider_index –

  • data_schema –

  • ids –

  • entity_ids –

  • entity_id –

  • codes –

  • code –

  • level –

  • provider –

  • columns –

  • col_label – dict with key(column), value(label)

  • return_type – df, domain or dict. default is df

  • start_timestamp –

  • end_timestamp –

  • filters –

  • session –

  • order –

  • limit –

  • index – index field name, str for single index, str list for multiple index

  • drop_index_col – whether drop the col if it’s in index, default False

  • time_field –

Returns

results basing on return_type.

classmethod record_data(provider_index: int = 0, provider: Optional[str] = None, force_update=None, sleeping_time=None, exchanges=None, entity_id=None, entity_ids=None, code=None, codes=None, real_time=None, fix_duplicate_way=None, start_timestamp=None, end_timestamp=None, one_day_trading_minutes=None, **kwargs)

record data by the arguments

Parameters

  • provider_index –

  • provider –

  • force_update –

  • sleeping_time –

  • exchanges –

  • entity_ids –

  • code –

  • codes –

  • real_time –

  • fix_duplicate_way –

  • start_timestamp –

  • end_timestamp –

  • one_day_trading_minutes –

  • kwargs –

Returns

classmethod register_provider(provider)

register the provider to the schema defined by cls

Parameters

provider –

classmethod register_recorder_cls(provider, recorder_cls)

register the recorder for the schema

Parameters

  • provider –

  • recorder_cls –

timestamp

the meaning could be different for different case,most time it means ‘happen time’