thingspeak.py

# Registrador de temperatura Nergiza.com
# python
import httplib, urllib, os, glob, time
import uploadConfig as cfg

os.system('modprobe w1-gpio')  
os.system('modprobe w1-therm')  
base_dir = '/sys/bus/w1/devices/'  
device_folder = glob.glob(base_dir + '10*')[0]  
device_file = device_folder + '/w1_slave'  

def read_temp_raw():  
    f = open(device_file, 'r')  
    lines = f.readlines()  
    f.close()  
    return lines

def read_temp():  
    lines = read_temp_raw()  
    while lines[0].strip()[-3:] != 'YES':  
        time.sleep(0.2)  
        lines = read_temp_raw()  
    equals_pos = lines[1].find('t=')  
    if equals_pos != -1:  
        temp_string = lines[1][equals_pos+2:]  
        temp_c = float(temp_string) / 1000.0  
        return temp_c  

temperatura = read_temp()  
params = urllib.urlencode({'field1': temperatura, 'key':cfg.thingspeakkey})  
headers = {"Content-type": "application/x-www-form-urlencoded","Accept":  
    "text/plain"}  
conn = httplib.HTTPConnection("api.thingspeak.com:80")  
conn.request("POST", "/update", params, headers)  
response = conn.getresponse()  
print response.status, response.reason  
data = response.read()  
conn.close()