temperaturetesting

import os
import glob
import time
import http.client
import urllib


API_KEY = ‘API_KEY’
os.system('modprobe w1-gpio')
os.system('modprobe w1-therm')

os.chdir('/users/Sean/RaspPi')
device_folder1 = glob.glob('./28*')[0]
device_folder2 = glob.glob('./28*')[1]
device_folder3 = glob.glob('./28*')[2]
device_folder4 = glob.glob('./28*')[3]

device_file1 = device_folder1 + '/w1_slave'
device_file2 = device_folder2 + '/w1_slave'
device_file3 = device_folder3 + '/w1_slave'
device_file4 = device_folder4 + '/w1_slave'


def read_temp_probe(device_file):
    f = open(device_file, 'r')
    temp = f.readlines()
    f.close()
    return temp

def read_temp(device_file):
    temp = read_temp_probe(device_file)
    while temp[0].strip()[-3:] != 'YES':
        time.sleep(16)
        temp = read_temp_probe(device_file)
    equals_pos = temp[1].find('t=')
    if equals_pos != -1:
        temp_string = temp[1][equals_pos+2:]
        temp_c = float(temp_string) / 1000.0
    return temp_c


def transmit(temp1, temp2, temp3, temp4):
    params = urllib.parse.urlencode({'field1': temp1, 'field2': temp2, 'field3': temp3, 'field4': temp4, 'key’:’API_KEY’})
    headers = {"Content-typZZe": "application/x-www-form-urlencoded","Accept": "text/plain"}
    conn = http.client.HTTPConnection("api.thingspeak.com:80")
    try:
        conn.request("POST", "/update", params, headers)
        response = conn.getresponse()
        print(temp1, temp2, temp3, temp4)
        print(response.status, response.reason)
        data = response.read()
        conn.close()
    except:
       print("connection failed")


while True:
    temp1 = read_temp(device_file1)
    temp2 = read_temp(device_file2)
    temp3 = read_temp(device_file3)
    temp4 = read_temp(device_file4)
    transmit(temp1, temp2, temp3, temp4)
    time.sleep(16)