def _main():
api = ConnectAPI()
devices = api.list_connected_devices().data
if not devices:
raise Exception("No connected devices registered. Aborting")
# get list of presubscriptions
presubscriptions = api.list_presubscriptions()
print("List of presubscriptions: %r" % presubscriptions)
device_id = devices[0].id
# Get list of resources on a device
resources = api.list_resources(device_id)
# Get observable resource
resource_uri = filter(lambda r: r.observable, resources)[0].path
# Set new presubscription
api.update_presubscriptions([{
"device_id": device_id,
"resource_paths": [resource_uri]
}])
# Subscription will be automatically set when a device with this id and resource path
# will be connected
# List presubscriptions
presubscriptions = api.list_presubscriptions()
print("List of presubscriptions after adding new presubscription: %r" %
presubscriptions)
# Delete presubscription
api.delete_presubscriptions()
presubscriptions = api.list_presubscriptions()
print("List of presubscriptions after deleting all presubscriptions: %r" %
presubscriptions)
def test_get_and_set_resource_value(self):
# an example: get and set a resource value
from mbed_cloud.foundation import Device
from mbed_cloud import ApiFilter
from mbed_cloud.foundation.enums import DeviceStateEnum
from mbed_cloud import ConnectAPI
# Use the Foundation interface to find a registered device.
api_filter = ApiFilter()
api_filter.add_filter("state", "eq", DeviceStateEnum.REGISTERED)
device = Device().list(max_results=2, filter=api_filter).next()
# Use the Legacy interface to find resources
connect_api = ConnectAPI()
# Find an observable resource
for resource in connect_api.list_resources(device.id):
if resource.observable:
break
# Set a resource value
connect_api.set_resource_value(device.id, resource.path, "12")
# Get a resource value
value = connect_api.get_resource_value(device.id, resource.path)
print("Device %s, path %s, current value: %s" %(device.id, resource.path, value))
# end of example
connect_api.stop_notifications()
def pull_resource_values(device_id, database, table):
import pytd
import pandas as pd
from mbed_cloud import ConnectAPI
from prestodb.exceptions import PrestoUserError
# see PDM Python client ConnectAPI examples:
# https://www.pelion.com/docs/device-management/current/mbed-cloud-sdk-python/subscriptions.html
# https://github.com/ARMmbed/mbed-cloud-sdk-python/blob/c2bc539856cc6932e367ed47f7c2e64ef6e3a77a/examples/connect/notifications.py#L25-L45
api = ConnectAPI({
'api_key': os.environ.get('PDM_API_KEY'),
'host': os.environ.get('PDM_HOST')
})
# check device existence
try:
filters = {'id': {'$eq': device_id}}
api.list_connected_devices(filters=filters).data
except Exception:
raise ValueError('cannot find the device: {}'.format(device_id))
column_names, row = [], []
for r in api.list_resources(device_id):
# observable resources whose values can change over time:
# https://www.pelion.com/docs/device-management/current/connecting/collecting-resources.html
if r.type is None or not r.observable:
continue
try:
value = api.get_resource_value(device_id, r.path)
except Exception as e:
print('skipped resource path {} due to {}'.format(r.path, e))
continue
value = _cast(value)
row.append(value)
column_names.append(r.type)
print('path: {}, type: {}, value: {}'.format(r.path, r.type, value))
if len(row) == 0:
sys.exit("no resource values from device: {}".format(device_id))
client = pytd.Client(apikey=os.environ.get('TD_API_KEY'),
endpoint=os.environ.get('TD_API_SERVER'),
database=database)
df = pd.DataFrame(**{'columns': column_names, 'data': [row]})
try:
client.load_table_from_dataframe(df, table, writer='insert_into',
if_exists='append')
except PrestoUserError:
raise RuntimeError("inserted record does not match to current schema "
"of table `{}`. Make sure a list of available "
"resources is same as previous execution, or "
"change `writer` to `spark` or `bulk_import` to "
"take advantage of schemaless record insertion."
"".format(table))
def _main():
api = ConnectAPI()
# Print all devices
for idx, device in enumerate(
api.list_connected_devices(order='desc', limit=10)):
resources = api.list_resources(device.id)
# Print endpoint name header
header = device.id
print(header)
print(len(header) * "-")
for r in resources:
print("\t- %s (%s / Observable: %s)" %
(r.path, r.type if r.type else "-", r.observable))
# Space between endpoints
print("")
def _main():
# Setup API config
#try:
# result = subprocess.check_output(["mbed", "config", "--list"], stderr=subprocess.STDOUT)
#except Exception:
# self.logger.prn_err("ERROR: CLOUD_SDK_API_KEY global config is not set. ")
# return -1
#
#match = re.search(b'CLOUD_SDK_API_KEY=(.*)\n', result)
#if match == None:
# self.logger.prn_err("ERROR: CLOUD_SDK_API_KEY global config is not set.")
# return -1
#
#api_key_val = match.group(1).strip()
#api_config = {"api_key" : api_key_val, "host" : "https://api.us-east-1.mbedcloud.com"}
#
#print(api_config)
#
# Instantiate Device and Connect API
api = ConnectAPI()
# Print all devices
for idx, device in enumerate(
api.list_connected_devices(order='desc', limit=10)):
resources = api.list_resources(device.id)
# Print endpoint name header
header = device.id
print(header)
print(len(header) * "-")
for r in resources:
print("\t- %s (%s / Observable: %s)" %
(r.path, r.type if r.type else "-", r.observable))
# Space between endpoints
print("")
