def get_run_end_info_from_data(run_number):
"""
get run end time, total events
from coda file directly
mostly to be used for the post update
when prompt analysis output is not available
:returns condition array with names ("end_time", "total_events")
"""
conditions = []
if "QW_DATA" in os.environ:
data_path = os.environ["QW_DATA"]
else:
print("QW_DATA is not set, force to /adaq1/data1/apar")
data_path = "/adaq1/data1/apar"
num_files = len([
files for files in glob.glob(data_path + "/*" + run_number + ".dat*")
])
if num_files < 1:
print "no file found for ", run_number
sys.exit(1)
# last file
coda_file = files
cmds = ["evio2xml", "-ev", "20", "-xtod", "-max", "3", coda_file]
out = check_output(cmds)
xml_root = Et.ElementTre(Et.fromstring(out)).getroot()
xml_check = xml_root.find("event")
if xml_check is None:
print "No event with tag=20 found in the file"
sys.exit(1)
for xml_result in xml_root.findall("event"):
run_end_time = int(xml_result.text.split(None)[0])
event_count = int(xml_result.text.split(None)[2])
conditions["end_time"] = datetime.fromtimestamp(run_end_time).strftime(
"%Y-%m-%d %H:%M:%S")
conditions["total_events"] = event_count
return conditions
