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# 本代码由可视化策略环境自动生成 2022年10月28日 14:51
# 本代码单元只能在可视化模式下编辑。您也可以拷贝代码，粘贴到新建的代码单元或者策略，然后修改。


m1 = M.instruments.v2(
    start_date='2015-1-1',
    end_date='2015-12-31',
    market='CN_STOCK_A',
    instrument_list='000001.SZA',
    max_count=0
)

m3 = M.input_features.v1(
    features="""
# #号开始的表示注释，注释需单独一行
# 多个特征，每行一个，可以包含基础特征和衍生特征，特征须为本平台特征
open_0
close_0
high_0
low_0
amount_0
"""
)

m2 = M.use_datasource.v2(
    instruments=m1.data,
    features=m3.data,
    datasource_id='bar1d_CN_STOCK_A ',
    start_date='',
    end_date='',
    before_start_days=90
)

[2022-10-28 14:45:24.099935] INFO: moduleinvoker: instruments.v2 开始运行..

[2022-10-28 14:45:24.155800] INFO: moduleinvoker: instruments.v2 运行完成[0.05589s].

[2022-10-28 14:45:24.163209] INFO: moduleinvoker: input_features.v1 开始运行..

[2022-10-28 14:45:24.216894] INFO: moduleinvoker: input_features.v1 运行完成[0.05369s].

[2022-10-28 14:45:24.669836] INFO: moduleinvoker: use_datasource.v2 开始运行..

[2022-10-28 14:45:24.759296] ERROR: moduleinvoker: module name: use_datasource, module version: v2, trackeback: OSError: file is not exists/var/app/data/bigquant/datasource/bigquant/v6/barid_CN_STOCK_A/schema.pkl

---------------------------------------------------------------------------
OSError                                   Traceback (most recent call last)
<ipython-input-5-f37d19759d47> in <module>
     23 )
     24 
---> 25 m2 = M.use_datasource.v2(
     26     instruments=m1.data,
     27     features=m3.data,

OSError: file is not exists/var/app/data/bigquant/datasource/bigquant/v6/barid_CN_STOCK_A/schema.pkl