raspberry pi - python text to speech using pyttsx

Question

I want to use my raspberry pi to announce some text. i have installed pyttsx but not able to use it.i am using python2.7

my program:

import pyttsx
engine= pyttsx.init()
engine.setProperty('rate',70)
voices=engine.getProperty('voices')
for voice in voices:
    print "Using voice:", repr(voice)
    engine.setProperty('voice',voice.id)
    engine.say("Hello Hello Hello")
engine.runAndWait()

but i am getting this error:

Traceback (most recent call last):
File "/home/pi/announce.py", line 2, in <module>
engine= pyttsx.init()
File "/usr/local/lib/python2.7/dist-packages/pyttsx-1.1-     py2.7.egg/pyttsx/__init__.py", line 39, in init
eng = Engine(driverName, debug)
File "/usr/local/lib/python2.7/dist-packages/pyttsx-1.1- py2.7.egg/pyttsx/engine.py", line 45, in __init__
 self.proxy = driver.DriverProxy(weakref.proxy(self), driverName, debug)
 File "/usr/local/lib/python2.7/dist-packages/pyttsx-1.1-p   y2.7.egg/pyttsx/driver.py", line 64, in __init__
  self._module = __import__(name, globals(), locals(), [driverName])
  File "/usr/local/lib/python2.7/dist-packages/pyttsx-1.1-py2.7.egg/pyttsx/drivers/espeak.py", line 19, in <module>
   import _espeak
   File "/usr/local/lib/python2.7/dist-packages/pyttsx-1.1-py2.7.egg/pyttsx/drivers/_espeak.py", line 24, in <module>
   dll = cdll.LoadLibrary('libespeak.so.1')
   File "/usr/lib/python2.7/ctypes/__init__.py", line 443, in LoadLibrary
    return self._dlltype(name)
   File "/usr/lib/python2.7/ctypes/__init__.py", line 365, in __init__
   self._handle = _dlopen(self._name, mode)
OSError: libespeak.so.1: cannot open shared object file: No such file or directory

Answer 1

It's because you don't have espeak installed on your system. That's why it is giving error

libespeak.so.1 error: no such file or directory found.

Try to install espeak using:

sudo apt-get update && sudo apt-get install espeak