Text to DECTalk

#! /usr/bin/python
import time, os, serial, textwrap, string

#Set the filename and open the file
filename = '/home/speechbot/irclogs/freenode/#geekstreams.log'
logfile = open(filename,'r')

#Find the size of the file and move to the end
st_results = os.stat(filename)
st_size = st_results[6]
logfile.seek(st_size)

def namelookup(name):
    if name.lower() == "dal3ksec":
        name="dialec sec[:nh]"
    elif name.lower() == "n2toh":
        name="N2[:nf]"
    elif name.lower() == "zer00":
        name="zero[:np]"
    elif name.lower() == "j0rd":
        name="jord[:np]"
    elif name.lower() == "tprg":
        name="telephonica[:nr]"
    elif name.lower() == "vt_entity":
        name="vt entity[:np]"
    elif name.lower() == "gi_jack":
        name="G eye Jack[:np]"
    return name

def talk(line):
    ser = serial.Serial('/dev/ttyUSB0', 9600, timeout=1)
    ser.open()
    name, sep, message=line.partition("<")
    name, sep, message=message.partition(">")
    name=name.lstrip("@")
    name=name.strip()
    name=namelookup(name)
    message=message.strip()

    if not message.startswith("."):
        lines=string.split(textwrap.fill(message,100), '\n')
        ser.write(name + ", \n\n")
        for x in range(0,len(lines)):
            ser.write(lines[x] +"\r\r")
            time.sleep(1)

            ser.write("[:np]\r\r")

    print name +" says: "+ textwrap.fill(message,100) +"\n\r", # already has newline
    ser.close()
    return

while 1:
    where = logfile.tell()
    line = logfile.readline()
    if not line:
        time.sleep(1)
        logfile.seek(where)
    else:
        talk(line)