dht22-rest-client.py

#!/usr/bin/python
import sys
import time
import datetime
import requests
import Adafruit_DHT
from time import gmtime, strftime

sensor = Adafruit_DHT.DHT22
pin = 4

rest_server="http://192.168.88.252:3000/api/Temperatures"

while True:
  humidity, temperature = Adafruit_DHT.read_retry(sensor, pin)
  if humidity is not None and temperature is not None:
    ctime=datetime.datetime.fromtimestamp(time.time(), None)
    print 'Date={0} Temp={1:0.2f}*C  Humidity={2:0.2f}%'.format(ctime,temperature, humidity)
    payload = {'timestamp': ctime, 'temp': temperature, 'humid': humidity}
    r = requests.post(rest_server, data=payload)
    time.sleep(5)
  else:
    print 'Failed to get reading. Try again!'