def invoke_daily(ts_code, start_date, end_date):
invoke_daily = pro.daily(ts_code=ts_code,
start_date=start_date,
end_date=end_date)
return invoke_daily
def import_tushare_stock_daily(chain_param=None, ts_code_set=None):
"""
插入股票日线数据到最近一个工作日-1。
如果超过 BASE_LINE_HOUR 时间，则获取当日的数据
:return:
"""
table_name = 'tushare_stock_daily_md'
logging.info("更新 %s 开始", table_name)
has_table = engine_md.has_table(table_name)
# 进行表格判断，确定是否含有tushare_stock_daily
if has_table:
sql_str = """
SELECT ts_code, date_frm, if(delist_date<end_date, delist_date, end_date) date_to
FROM
(
SELECT info.ts_code, ifnull(trade_date, list_date) date_frm, delist_date,
if(hour(now())<16, subdate(curdate(),1), curdate()) end_date
FROM
tushare_stock_info info
LEFT OUTER JOIN
(SELECT ts_code, adddate(max(trade_date),1) trade_date FROM {table_name} GROUP BY ts_code) daily
ON info.ts_code = daily.ts_code
) tt
WHERE date_frm <= if(delist_date<end_date, delist_date, end_date)
ORDER BY ts_code""".format(table_name=table_name)
else:
sql_str = """
SELECT ts_code, date_frm, if(delist_date<end_date, delist_date, end_date) date_to
FROM
(
SELECT info.ts_code, list_date date_frm, delist_date,
if(hour(now())<16, subdate(curdate(),1), curdate()) end_date
FROM tushare_stock_info info
) tt
WHERE date_frm <= if(delist_date<end_date, delist_date, end_date)
ORDER BY ts_code"""
logger.warning('%s 不存在，仅使用 tushare_stock_info 表进行计算日期范围', table_name)
with with_db_session(engine_md) as session:
# 获取每只股票需要获取日线数据的日期区间
table = session.execute(sql_str)
# 计算每只股票需要获取日线数据的日期区间
begin_time = None
# 获取date_from,date_to，将date_from,date_to做为value值
code_date_range_dic = {
ts_code:
(date_from if begin_time is None else min([date_from, begin_time]),
date_to)
for ts_code, date_from, date_to in table.fetchall()
if ts_code_set is None or ts_code in ts_code_set
}
# data_len = len(code_date_range_dic)
data_df_list, data_count, all_data_count, data_len = [], 0, 0, len(
code_date_range_dic)
logger.info('%d stocks will been import into tushare_stock_daily_md',
data_len)
# 将data_df数据，添加到data_df_list
try:
for num, (ts_code, (date_from,
date_to)) in enumerate(code_date_range_dic.items(),
start=1):
logger.debug('%d/%d) %s [%s - %s]', num, data_len, ts_code,
date_from, date_to)
df = pro.daily(ts_code=ts_code,
start_date=datetime_2_str(date_from,
STR_FORMAT_DATE_TS),
end_date=datetime_2_str(date_to,
STR_FORMAT_DATE_TS))
data_df = df
if len(data_df) > 0:
while try_2_date(df['trade_date'].iloc[-1]) > date_from:
last_date_in_df_last, last_date_in_df_cur = try_2_date(
df['trade_date'].iloc[-1]), None
df2 = pro.daily(ts_code=ts_code,
start_date=datetime_2_str(
date_from, STR_FORMAT_DATE_TS),
end_date=datetime_2_str(
try_2_date(df['trade_date'].iloc[-1]) -
timedelta(days=1), STR_FORMAT_DATE_TS))
if len(df2 > 0):
last_date_in_df_cur = try_2_date(
df2['trade_date'].iloc[-1])
if last_date_in_df_cur < last_date_in_df_last:
data_df = pd.concat([data_df, df2])
df = df2
elif last_date_in_df_cur == last_date_in_df_last:
break
if data_df is None:
logger.warning(
'%d/%d) %s has no data during %s %s', num,
data_len, ts_code, date_from, date_to)
continue
logger.info('%d/%d) %d data of %s between %s and %s',
num, data_len, data_df.shape[0], ts_code,
date_from, date_to)
else:
break
#把数据攒起来
if data_df is not None and data_df.shape[0] > 0:
data_count += data_df.shape[0]
data_df_list.append(data_df)
# 大于阀值有开始插入
if data_count >= 500:
data_df_all = pd.concat(data_df_list)
# tot_data_df.to_sql(table_name, engine_md, if_exists='append', index=False, dtype=dtype)
bunch_insert_on_duplicate_update(data_df_all, table_name,
engine_md,
DTYPE_TUSHARE_STOCK_DAILY_MD)
all_data_count += data_count
data_df_list, data_count = [], 0
# # 数据插入数据库
# data_df_all = data_df
# data_count = bunch_insert_on_duplicate_update(data_df_all, table_name, engine_md, DTYPE_TUSHARE_STOCK_DAILY_MD)
# logging.info("更新 %s 结束 %d 条信息被更新", table_name, data_count)
# data_df = []
# 仅调试使用
# n=1
# n=n+1
# if DEBUG and n > 10:
# break
finally:
# 导入数据库
if len(data_df) > 0:
data_df_all = data_df
data_count = bunch_insert_on_duplicate_update(
data_df_all, table_name, engine_md,
DTYPE_TUSHARE_STOCK_DAILY_MD)
logging.info("更新 %s 结束 %d 条信息被更新", table_name, all_data_count)
if not has_table and engine_md.has_table(table_name):
alter_table_2_myisam(engine_md, [table_name])
build_primary_key([table_name])