gistfile1.py

def disable_proxy(kick_token):
    path = '/etc/sysconfig/rhn/up2date'
    mode = 0600
    tempfd, temp_path = mkstemp()
    try:
        new_file = open(temp_path, 'w')
        old_file = open(path)
    except (IOError, OSError) as err:
        klog(kick_token, 'Problem disabling proxy for RHN <%s>.' % str(err))
        return False

    for line in old_file.readlines():
        if 'enableProxy=1' in line:
            line = line.replace('1', '0')
        if 'httpProxy=' in line:
            if line.split('=')[1]:
                line = line.replace(line.split('=')[1], '')
        new_file.write(line)