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@c4r-gists c4r-gists/minimal.py
Last active Feb 7, 2018

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Minimal example of Cloud4RPi client library usage on python
# -*- coding: utf-8 -*-
from time import sleep
import sys
import cloud4rpi
# these functions will be called by device when sending data
def room_temp():
return 25
def outside_temp():
return 4
def cpu_temp():
return 70
def ip_address():
return '8.8.8.8'
def host_name():
return 'hostname'
def os_name():
return 'osx'
# Put your device token here. To get the token,
# sign up at https://cloud4rpi.io and create a device.
DEVICE_TOKEN = '__YOUR_DEVICE_TOKEN__'
# Constants
DATA_SENDING_INTERVAL = 30 # secs
DIAG_SENDING_INTERVAL = 60 # secs
POLL_INTERVAL = 0.5 # secs
def main():
# Put variable declarations here
variables = {
'Room Temp': {
'type': 'numeric',
'bind': room_temp
},
'Outside Temp': {
'type': 'numeric',
'bind': outside_temp
}
}
# Put system data declarations here
diagnostics = {
'CPU Temp': cpu_temp,
'IP Address': ip_address,
'Host Name': host_name,
'Operating System': os_name
}
device = cloud4rpi.connect(DEVICE_TOKEN)
device.declare(variables)
device.declare_diag(diagnostics)
device.publish_config()
# Adds a 1 second delay to ensure device variables are created
sleep(1)
try:
diag_timer = 0
data_timer = 0
while True:
if data_timer <= 0:
device.publish_data()
data_timer = DATA_SENDING_INTERVAL
if diag_timer <= 0:
device.publish_diag()
diag_timer = DIAG_SENDING_INTERVAL
diag_timer -= POLL_INTERVAL
data_timer -= POLL_INTERVAL
sleep(POLL_INTERVAL)
except KeyboardInterrupt:
cloud4rpi.log.info('Keyboard interrupt received. Stopping...')
except Exception as e:
error = cloud4rpi.get_error_message(e)
cloud4rpi.log.error("ERROR! %s %s", error, sys.exc_info()[0])
finally:
sys.exit(0)
if __name__ == '__main__':
main()
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