def update_bars_by_dates(self,
start,
end,
typ: SeType = SeType.Stock,
freq: SeFreq = SeFreq.DAY,
codes=None):
DB_CLIENT.create_index(typ.repo_name(freq), freq.keys_to_index())
if codes is None:
codes = self.read_security_codes(typ)
executor.execute_tasks(codes, self.do_fetch_and_replace_by_dates, typ,
start, end, freq)
print("These codes failed to update: [" + ','.join(self.failed_codes) +
"]")
def update_bars(self,
typ: SeType = SeType.Stock,
freq: SeFreq = SeFreq.DAY,
codes=None,
days_to_update=DAYS_TO_UPDATE):
DB_CLIENT.create_index(typ.repo_name(freq), freq.keys_to_index())
if codes is None:
codes = self.read_security_codes(typ)
end = date_time_utils.Date()
start = end.get_before(days_to_update)
executor.execute_tasks(codes, self.do_fetch_and_save_bars, typ,
start.as_str(), end.as_str(), freq)
print("These codes failed to update: [" + ','.join(self.failed_codes) +
"]")
def refetch_and_save_bars(self,
typ: SeType,
freq: SeFreq = SeFreq.DAY,
codes=None):
if codes is None:
if self.__confirm_drop():
self.drop_bar_repo(typ, freq)
print('删除完成。')
codes = self.read_security_codes(typ)
else:
print("操作已取消。")
return
else:
DB_CLIENT.remove_all_from(typ.repo_name(freq),
query={'code': {
'$in': codes
}})
DB_CLIENT.create_index(typ.repo_name(freq), freq.keys_to_index())
end = date_time_utils.Date()
start = date_time_utils.Date.from_str(MIN_START_TIME)
executor.execute_tasks(codes, self.do_fetch_and_save_bars, typ,
start.as_str(), end.as_str(), freq)
def save(self, data):
DB_CLIENT.create_index(self.repo_name(), self.freq.keys_to_index())
if data is not None and len(data) > 0:
repo_name = self.repo_name()
DB_CLIENT.update_data_append_newer(data, repo_name)
def replace_by_dates(self, data, code, start, end):
DB_CLIENT.delete_by_code_and_dates(self.repo_name(), code, start, end)
if data is not None and len(data) > 0:
DB_CLIENT.create_index(self.repo_name(), self.freq.keys_to_index())
repo_name = self.repo_name()
DB_CLIENT.replace_data_by_date_range(data, repo_name, start, end)