hikyuu2/docs/source/base/constant.rst
2022-08-21 23:06:24 +08:00

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.. py:currentmodule:: hikyuu
.. highlight:: python
全局变量与常量定义
===================
全局变量
---------
.. note:: 以下全局变量仅在 hikyuu 交互式工具中存在hikyuu库中并无定义。
.. py:data:: sm
:py:class:`StockManager` 的实例
.. py:data:: blocka
:py:class:`Block` 实例包含全部A股
.. py:data:: blocksh
:py:class:`Block` 实例,包含全部沪市股票
.. py:data:: blocksz
:py:class:`Block` 实例,包含全部深市股票
.. py:data:: blockg
:py:class:`Block` 实例,包含全部创业板股票
Null 值及证券类别
-------------------
.. py:data:: constant
全局常量, :py:class:`Constant` 的实例,用于判断相关的 null 值及股票类型,如:
::
a = Datetime(201601010000)
if (a == constant.null_datetime ):
print(True)
.. py:class:: Constant
.. py:attribute:: null_datetime 无效Datetime
.. py:attribute:: inf
.. py:attribute:: nan
.. py:attribute:: null_price 同 nan
.. py:attribute:: null_int 无效int
.. py:attribute:: null_size 无效size
.. py:attribute:: null_int64 无效int64
.. py:attribute:: pickle_support 是否支持 pickle
.. py:attribute:: STOCKTYPE_BLOCK 股票类型-板块
.. py:attribute:: STOCKTYPE_A 股票类型-A股
.. py:attribute:: STOCKTYPE_INDEX 股票类型-指数
.. py:attribute:: STOCKTYPE_B 股票类型-B股
.. py:attribute:: STOCKTYPE_FUND 股票类型-基金
.. py:attribute:: STOCKTYPE_ETF 股票类型-ETF
.. py:attribute:: STOCKTYPE_ND 股票类型-国债
.. py:attribute:: STOCKTYPE_BOND 股票类型-其他债券
.. py:attribute:: STOCKTYPE_GEM 股票类型-创业板
.. py:attribute:: STOCKTYPE_START 股票类型-创业板
.. py:attribute:: STOCKTYPE_TMP 股票类型-临时CSV