def get_daily_data(ts_code):
table_name = daily_data_table_name(ts_code)
if table_exists(table_name):
df = read_df_from_db(table_name, index_col='date')
df.index = pd.to_datetime(df.index)
return df
else:
return None
def get_hist_data(code):
'''
获取数据，并且存在数据库中
'''
table_name = "%s_hist" % (code)
if table_exists(table_name):
return read_df_from_db(table_name, index_col='date')
else:
df = ts.get_hist_data(code)
df_to_db(table_name, df)
return df
def get_daily_start_date(ts_code):
table_name = daily_data_table_name(ts_code)
if table_exists(table_name):
old_df = get_daily_data(ts_code)
if old_df is None or len(old_df) == 0:
start_date = daily_start
else:
old_df = old_df.sort_index(ascending=True)
start_date = (convert_date(old_df.index[-1]) +
timedelta(days=1)).strftime("%Y%m%d")
else:
start_date = daily_start
return start_date
def initialize_db():
"""bootstrap_endpoint
Bootstraps the database using the models.initialize_db() method.
Returns:
dict, 201 response code: success
dict, 500 response code: failure
"""
secret_key = request.get_json()
if secret_key["key"] == SECRET:
models.initialize_db()
exists = models.db_exists(models.DB_NAME)
routes_table_exists = models.table_exists("routes")
route_lengths_exists = models.table_exists("route_lengths")
assert exists == routes_table_exists == route_lengths_exists
APP.logger.info("PostGres DB with tables is online.")
return (
json.dumps({"Success!": "PostGres DB with postgis extensions is created."}),
201,
)
APP.logger.warn("Error! Failed to initialize the db.")
return json.dumps({"Error": "Failed to initialize the db"}), 500
def get_growth_data(year, quarter):
'''
抓取，可以存在数据库
'''
k = "%s-%s" % (year, quarter)
table_name = "%s_growth" % (k)
if table_exists(table_name):
df = read_df_from_db(table_name, index_col='code')
df['code'] = df.index
else:
try:
df = ts.get_growth_data(year, quarter)
df_to_db(table_name, df)
except OSError as e:
df = None
return df
def fetch_daily_data_to_db(ts_code, end_date=None):
'''
抓日数据
'''
if end_date is None:
end_date = datetime.now().strftime("%Y%m%d")
if not isinstance(end_date, str):
end_date = convert_date(end_date).strftime("%Y%m%d")
start_date = get_daily_start_date(ts_code)
table_name = daily_data_table_name(ts_code)
df = pro.daily(ts_code=ts_code, start_date=start_date, end_date=end_date)
df.index = pd.to_datetime(df['trade_date'])
df.index.name = 'date'
if table_exists(table_name):
df_to_db(table_name, df, if_exists='append')
else:
df_to_db(table_name, df)
def get_h_data(code):
'''
获取数据，并且存在数据库中
'''
if code in ['600656', '600832', '600806', '601268', '600222']:
return None
table_name = "%s_hlong" % (code)
if table_exists(table_name):
return read_df_from_db(table_name, index_col='date')
else:
time.sleep(60 * 3)
try:
df = ts.get_h_data(code, start=start_d)
df_to_db(table_name, df)
return df
except Exception as inst:
print(inst)
print("%s\n" % (code))
return None