def iopv_update():
now = datetime.now()
if HtmlFile:
parser = IopvParser(HtmlFile)
else:
parser = IopvParser()
iopv_list = parser.iopv_data.items()
# save IOPV data to archive
save_to_archive(now, iopv_list)
# update IOPV data to firebase database
fire = Firework()
fire.update_iopv_list(iopv_list, logtime=now)
