temp_sens_adafruit.py

import os 
import glob 
import time

os.system('modprobe w1-gpio') 
os.system('modprobe w1-therm')

base_dir = '/sys/bus/w1/devices/' 
device_folder = glob.glob(base_dir + '28*')[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 
		temp_f = temp_c * 9.0 / 5.0 + 32.0 
		return temp_c, temp_f

while True: 
	print(read_temp()) 
	time.sleep(.5)