def main():
# Change URL to point to a valid portal node.
# If you are not interested in any subarray specific information
# (e.g. schedule blocks), then the number can be omitted, as below.
# Note: if on_update_callback is set to None, then we cannot use the
# KATPortalClient.connect() method (i.e. no websocket access).
portal_client = KATPortalClient('http://{}/api/client'.format(args.host),
on_update_callback=None,
logger=logger)
# Get the names of sensors matching the patterns
sensor_names = yield portal_client.sensor_names(args.sensors)
print "\nMatching sensor names for pattern {}: {}".format(
args.sensors, sensor_names)
# Get the names of sensors matching a pattern
# pattern = 'anc_w.*_device_status'
# sensor_names = yield portal_client.sensor_names(pattern)
# print "\nMatching sensor names for pattern {} : {}".format(pattern, sensor_names)
# Example output:
# Matching sensor names for pattern ['anc_w.*_device_status']:
# [u'anc_wind_device_status', u'anc_weather_device_status']
# Get the names of sensors matching a pattern
# pattern = 'anc_(mean|gust)_wind_speed'
# sensor_names = yield portal_client.sensor_names(pattern)
# print "\nMatching sensor names for pattern {} : {}".format(pattern, sensor_names)
# Example output:
# Matching sensor names for pattern ['anc_(mean|gust)_wind_speed']:
# [u'anc_mean_wind_speed', u'anc_gust_wind_speed']
# Get the names of sensors matching a list of patterns
# pattern = 'm01[12]_pos_request_base_azim'
# sensor_names = yield portal_client.sensor_names(pattern)
# print "\nMatching sensor names for pattern {} : {}".format(pattern, sensor_names)
# Example output (if sensors is 'm01[12]_pos_request_base_azim'):
# Matching sensor names for pattern ['m01[12]_pos_request_base_azim']:
# [u'm011_pos_request_base_azim', u'm011_pos_request_base_azim']
# Fetch the details for the sensors found.
if len(sensor_names) == 0:
print "No matching sensors found!"
else:
for sensor_name in sensor_names:
sensor_detail = yield portal_client.sensor_detail(sensor_name)
print "\nDetail for sensor {}:".format(sensor_name)
for key in sensor_detail:
print " {}: {}".format(key, sensor_detail[key])
def main():
# Change URL to point to a valid portal node.
# If you are not interested in any subarray specific information
# (e.g. schedule blocks), then the number can be omitted, as below.
# Note: if on_update_callback is set to None, then we cannot use the
# KATPortalClient.connect() and subscribe() methods here.
portal_client = KATPortalClient(
'http://{host}/api/client'.format(**vars(args)),
on_update_callback=None,
logger=logger)
# Get the names of sensors matching the patterns
sensor_names = yield portal_client.sensor_names(args.sensors)
print "\nMatching sensor names: {}".format(sensor_names)
# Example output (if sensors is 'm01[12]_pos_request_base'):
# Matching sensor names: [u'm011_pos_request_base_azim',
# u'm012_pos_request_base_ra', u'm012_pos_request_base_dec',
# u'm011_pos_request_base_ra', u'm012_pos_request_base_elev',
# u'm011_pos_request_base_dec', u'm012_pos_request_base_azim',
# u'm011_pos_request_base_elev']
# Fetch the details for the sensors found.
for sensor_name in sensor_names:
sensor_detail = yield portal_client.sensor_detail(sensor_name)
print "\nDetail for sensor {}:".format(sensor_name)
for key in sensor_detail:
print " {}: {}".format(key, sensor_detail[key])
# Example output:
# Detail for sensor m011_pos_request_base_azim:
# name: m011_pos_request_base_azim
# systype: mkat
# component: m011
# site: deva
# katcp_name: m011.pos.request-base-azim
# params: [-195.0, 370.0]
# units: deg
# type: float
# description: Requested target azimuth
num_sensors = len(sensor_names)
if num_sensors == 0:
print "\nNo matching sensors found - no history to request!"
else:
print("\nRequesting history for {} sensors, from {} to {}".format(
num_sensors,
datetime.utcfromtimestamp(
args.start).strftime('%Y-%m-%dT%H:%M:%SZ'),
datetime.utcfromtimestamp(
args.end).strftime('%Y-%m-%dT%H:%M:%SZ')))
if len(sensor_names) == 1:
# Request history for just a single sensor - result is timestamp, value, status
# If value timestamp is also required, then add the additional argument: include_value_ts=True
# result is then timestmap, value_timestmap, value, status
history = yield portal_client.sensor_history(
sensor_names[0],
args.start,
args.end,
timeout_sec=args.timeout)
histories = {sensor_names[0]: history}
else:
# Request history for all the sensors - result is timestamp, value, status
# If value timestamp is also required, then add the additional argument: include_value_ts=True
# result is then timestmap, value_timestmap, value, status
histories = yield portal_client.sensors_histories(
sensor_names, args.start, args.end, timeout_sec=args.timeout)
print "Found {} sensors.".format(len(histories))
for sensor_name, history in histories.items():
num_samples = len(history)
print "History for: {} ({} samples)".format(
sensor_name, num_samples)
if num_samples > 0:
print "\tindex,timestamp,value,status"
for count in range(0, num_samples, args.decimate):
print "\t{},{}".format(count, history[count].csv())