import subprocess
from time import gmtime, strftime
cmd = "tnsping alias.fixer"

def system_call(cmd, params=None,  inshell=False,
                communicatestr='\n' * 10):
    cmds = cmd
    try:
        p = subprocess.Popen(args=cmds, shell=True, bufsize=4096,
                            stdin=subprocess.PIPE, stdout=subprocess.PIPE,
                            stderr=subprocess.PIPE)
        stdoutdata, stderrdata = p.communicate(communicatestr)
        if stderrdata:
            print strftime("%Y-%m-%d %H:%M:%S", gmtime()) + ' - ' + stderrdata
        else:
	        print stdoutdata
    except subprocess.CalledProcessError as e:
        print strftime("%Y-%m-%d %H:%M:%S", gmtime()) + ' - ' + e.output
        pass

while 1 == 1:
    system_call(cmd)