def seed_node(site_id = None, alias = None, latitude = None, longitude = None):
if site_id:
site = Site.query.filter_by(id = site_id).first()
else:
site = Site.create(name = 'Techrice site {}'.format(uuid4().hex))
if not alias:
alias = 'Techrice node {}'.format(uuid4().hex)
node = Node.create(name = alias, site = site, latitude = latitude, longitude = longitude)
solar = Sensor.create(node = node, sensortype = SensorType.query.filter_by(name = 'solar voltage').first(), name = 'vsol')
battery = Sensor.create(node = node, sensortype = SensorType.query.filter_by(name = 'battery voltage').first(), name = 'vbat')
temperature = Sensor.create(node = node, sensortype = SensorType.query.filter_by(name = 'DHT11 temperature').first(), name = 'temperature')
humidity = Sensor.create(node = node, sensortype = SensorType.query.filter_by(name = 'DHT11 humidity').first(), name = 'humidity')
sonar = Sensor.create(node = node, sensortype = SensorType.query.filter_by(name = 'sonar HC SR-04').first(), name = 'sonar')
header = Header.get_header(node_id = node.id)
print header
return {
'node': 'name: {}, id: {}, longitude: {}, latitude: {}'.format(node.name, node.id, node.longitude, node.latitude),
'sensors': map(lambda s: 'name: {}, id: {}'.format(s.name, s.id), node.sensors),
'header' : header
}
def __init__(self, sensor_id, start_time, wait_interval = 60): Process.__init__(self) self.daemon = True self.wait_interval = wait_interval sensor = Sensor.query.filter(Sensor.id == sensor_id).first() if sensor: self.sensor = sensor else: self.sensor = Sensor.create(name = 'started at %s'%datetime.utcnow().ctime()) print '*********** Created new sensor' print self.sensor
def seed_site(sensors = 1, days = 7, interval_seconds = 3600):
site = Site.create(name = 'seeded_site')
node = Node.create(name = 'seeded_node', site = site, latitude = 35.146623 + random() / 100.0, longitude = 139.9835682 + random() / 100.0)
sensortype = SensorType.create(name = 'HC SR-04', unit = 'cm')
for i in range(sensors):
sensor = Sensor.create(sensortype = sensortype, node = node, name = 'water distance %s'%i)
timestamp = datetime.utcnow() - timedelta(days = 7)
data = loggeobrowngen()
n_readings = 0
while timestamp < datetime.utcnow():
Reading.create(sensor = sensor, value = data.next(), timestamp = timestamp)
timestamp += timedelta(seconds = interval_seconds)
n_readings += 1
data.close()
return {'site': site, 'node': node}
def post(self):
parser = reqparse.RequestParser(bundle_errors = True)
parser.add_argument('node_id', type=int, location='form', required=True, help='<int> node_id required')
parser.add_argument('sensortype_id', type=int, location='form', required=True, help='<int> sensortype_id required')
parser.add_argument('name', type=int, location='form', required=False, help='<int> sensortype_id optional')
args = parser.parse_args()
node = Node.query.filter_by(id = args['node_id']).first()
if not node:
return jsonify(ApiError('node {} not found'.format(args['node_id'])))
sensortype = SensorType.query.filter_by(id = args['sensortype_id']).first()
if not sensortype:
return jsonify(ApiError('sensortype {} not found'.format(args['sensortype_id'])))
sensor = Sensor.create(node = node, sensortype = sensortype, name = args['name'])
if sensor:
return jsonify(ApiObjects(sensor.json()))
else:
return jsonify(ApiObjects())
from models import User, Sensor, Reading
from time import sleep
from datetime import datetime, timedelta
import random
sensors = {
"Termometer (mock)": ("Celsius", "Temperature"),
"Hygrometer (mock)": ("%", "Humidity"),
"Manometer (mock)": ("bar", "Pressure")
}
users = ["John", "Alex", "Rob", "Matt"]
for sensor_name, (unit, quantity) in sensors.items():
Sensor.create(sensor_name, quantity)
# For the sake of tests
for sensor_name, (unit, quantity) in sensors.items():
for i in range(120, 180, 1):
t = datetime(2020, 11, 26, 17, i % 60, 0)
Reading.create(str(random.randint(20, 27)),
unit,
Sensor.find(sensor_name).id,
timestamp=t)
# Let's have 4 readings per hour
start_date = datetime.utcnow() - timedelta(days=4)
now = datetime.utcnow()
sampling_interval = timedelta(minutes=15)
for sensor_name, (unit, quantity) in sensors.items():
sample_date = start_date
