import time
import subprocess
import StringIO
import re
from wol import *
import os
import signal
import smtplib
from email.MIMEText import MIMEText

def sendTextMail(strFrom, to, strSubject, text ):
    #from = "SimpaCluster <guillaume.raffy@univ-rennes1.fr>"
    mail = MIMEText(text)
    mail['From'] = strFrom
    mail['Subject'] = strSubject
    mail['To'] = to
    smtp = smtplib.SMTP('smtp.univ-rennes1.fr', 25)
    #smtp.connect()
    #smtp.login('guillaume.raffy@univ-rennes1.fr', 'password') 
    smtp.sendmail(strFrom, [to], mail.as_string())
    smtp.close()

class Error( Exception ):
	def __init__( self, strMessage ):
		self.m_strMessage = strMessage
	
def getHostName():
	(returnCode, stdout, stderr) = executeProgram(['hostname', '-s'])
	if returnCode != 0:
		raise Error(stderr)
	strHostName = re.sub(r"\n", "", stdout)
	return strHostName

def log( message ):
	print time.asctime(time.localtime())+' : '+ message

def executeProgram( astrArguments ):
	
	#log('executeProgram : program [%s]' % (','.join(astrArguments)))
	popen = subprocess.Popen( astrArguments, bufsize=1, shell=False, stdout=subprocess.PIPE, stderr=subprocess.PIPE ) # bufsize=1 seems to prevent deadlocks that happen 50% the time
	stdout, stderr = popen.communicate()
	#popen.wait()
	result = (popen.returncode, stdout, stderr)
	#log('executeProgram : command %s popen.pid = %d' % (astrArguments[0], popen.pid))
	#os.kill(popen.pid, signal.SIGTERM)
	return result

def executeCommand( command ):
	"""
		executes the shell command such as 'set x=1; myprog $x'
	"""
	popen = subprocess.Popen( [ command ], bufsize=1, shell=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE, executable = '/bin/bash' ) # bufsize=1 seems to prevent deadlocks that happen 50% the time
	# if we don't specify the optional executable argument, then the default non interactive shell will be used. On debian, the default non-interactive shell is dash, which doesn't understand the keyword 'source' that we use in many places
	stdout, stderr = popen.communicate()
	#popen.wait()
	result = (popen.returncode, stdout, stderr)
	return result


def getUpsStatus():
	try:
		url = 'http://Net Vision:public@129.20.27.119/PageMonComprehensive.html'
		f = urllib.urlopen(url)
		res = f.read()
		f.close()
	except:
		print "bad read"
		return
 	h = MyHTMLParser()
	h.feed(res)
	tokensList = h.GetTokenList()

if __name__ == '__main__':
	"""
	for i in range(30):
		machineName = 'simpatix%d' % (i+10)
		print 'lom ip of %s is %s' % (machineName, getLightOutManagementIpAddress(machineName))
	"""
	wakeUp('simpatix21')
	#print putToSleep('simpatix13')
	#print isNonRespondingMachineSleeping('simpatix13')