def read_tdx_trader_stock(self,path=r'c:\new_tdx\t0002\blocknew\buy.blk'):
'''
读取通达信板块自选股交易
'''
try:
stock_list=[]
with open(r'{}'.format(path),'r+') as f:
com=f.readlines()
for i in com:
i=i.strip()
if len(str(i))>0:
stock_list.append(i)
df=pd.dataframe()
df['证券代码']=stock_list
df['证券代码']=df['证券代码'].apply(lambda x:str(x)[-