path1=time.strftime("%Y_%m", time.localtime())
path2=time.strftime("%Y%m%d", time.localtime())
path="/sls/X07MA/data/x07maop/Data1/"+path1+"/"+path2 +"/"+"refill.log"

sp = temperature.read

if (sp<2.0):
# open needle valve
	print "Open needle valve to 50%"
	needle.write(50.0)
	print "Wait 1.0 min ..."
	time.sleep(60)
	print "Wait until T< 4K"
	while True:
		time.sleep(2)
		t=temperature_readback.read()
		if t < 4:		 
			break
	print "Wait 5 min ..."
	time.sleep(300)    
	print "Set needle valve to 0%"
	needle.write(0.0)
	print "Wait temperature stabilization"
	
	t_old=0.
	while True:
		t=temperature_readback.read()
		t_diff=abs(t-t_old)
		drift_mKelvin_per_min=t_diff*2*1000 # it was t_diff*6*1000, don't know why 6. It takes tooooo long to exit script.CP 23.11.14
		print "T drift in mK per minute: ",drift_mKelvin_per_min
		t_old=t
	
		if (t>10.0):
			break
	
		if ( (drift_mKelvin_per_min<10.0) and (t<2.2) ):
			break

		time.sleep(30)

	file=open(path,'a')
	file.write(time.strftime("%d %b %Y %H:%M:%S", time.localtime()))
	file.write( '# 1K pot refilled \n' )
	file.close()



if ((sp >2.0) and (sp < 15)):
	caput ("X07MA-PC-HE:PUMP", "ON")
	time.sleep(60)
	caput ("X07MA-PC-HE:PUMP", "AUTO")
	while True:		
		time.sleep(20)
		hlb=caget("X07MA-PC-HE:LEVELB", 'd')			
		if (hlb>110.0):
			caput ("X07MA-PC-HE:PUMP", "OFF")
			time.sleep(300)
			break
						
		time.sleep (3)