From e66acc33fce135ebc7524426171ba6496468b371 Mon Sep 17 00:00:00 2001
From: chrys <chrys87@web.de>
Date: Wed, 25 Oct 2017 00:48:48 +0200
Subject: [PATCH] add pyttsx3 speech driver-a

---
 setup.py                                 |  1 +
 src/fenrir/speechDriver/genericDriver.py |  4 +-
 src/fenrir/speechDriver/pyttsxDriver.py  | 86 ++++++++++++++++++++++++
 3 files changed, 90 insertions(+), 1 deletion(-)
 create mode 100644 src/fenrir/speechDriver/pyttsxDriver.py

diff --git a/setup.py b/setup.py
index cb141f3e..c5da7d24 100755
--- a/setup.py
+++ b/setup.py
@@ -97,6 +97,7 @@ setup(
         "pyudev",
         "setuptools",
         "pexpect",
+        "pyttsx3",
     ],
     
 )
diff --git a/src/fenrir/speechDriver/genericDriver.py b/src/fenrir/speechDriver/genericDriver.py
index 39a97640..7fdd40d8 100644
--- a/src/fenrir/speechDriver/genericDriver.py
+++ b/src/fenrir/speechDriver/genericDriver.py
@@ -9,6 +9,7 @@ from core import debug
 from threading import Thread, Lock
 from queue import Queue, Empty
 from subprocess import Popen
+from core.speechDriver import speechDriver
 
 class speakQueue(Queue):
     def clear(self):
@@ -18,8 +19,9 @@ class speakQueue(Queue):
         except Empty:
             pass
 
-class driver():
+class driver(speechDriver):
     def __init__(self):
+        speechDriver.__init__(self)
         self.proc = None
         self.speechThread = Thread(target=self.worker)
         self.lock = Lock()
diff --git a/src/fenrir/speechDriver/pyttsxDriver.py b/src/fenrir/speechDriver/pyttsxDriver.py
new file mode 100644
index 00000000..1ea98e29
--- /dev/null
+++ b/src/fenrir/speechDriver/pyttsxDriver.py
@@ -0,0 +1,86 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+# Fenrir TTY screen reader
+# By Chrys, Storm Dragon, and contributers.
+# Espeak driver
+
+from threading import Thread, Lock
+from core import debug
+from core.speechDriver import speechDriver
+
+class driver(speechDriver):
+    def __init__(self):
+        speechDriver.__init__(self)
+        self._engine = None
+    def initialize(self, environment):
+        self.env = environment                   
+    def shutdown(self):
+        if self._isInitialized:
+            self.cancel()            
+            self._engine.endLoop()
+        self._initialized = False            
+    def eventLoop(self):
+        self._engine.startLoop()
+    def startEngine(self):
+        try:
+            import pyttsx3
+            if self.module != '':
+                self._engine = pyttsx3.init(self.module)
+            else:
+                self._engine = pyttsx3.init()                            
+            self.eventLoopThread = Thread(target=self.eventLoop)
+            self._isInitialized = True
+            self.eventLoopThread.start()
+        except Exception as e:
+            self.env['runtime']['debug'].writeDebugOut('SpeechDriver:initialize:' + str(e),debug.debugLevel.ERROR)    
+    
+    def speak(self,text, interrupt=True):
+        if not self._isInitialized:
+            self.startEngine()
+            if not self._isInitialized:            
+                return
+        if not interrupt:
+            self.cancel()
+        try:
+            self._engine.setProperty('volume', self.volume) 
+        except Exception as e:
+            self.env['runtime']['debug'].writeDebugOut('SpeechDriver:speak:volume:' + str(e),debug.debugLevel.ERROR) 
+        try:
+            self._engine.setProperty('rate', self.rate) 
+        except Exception as e:
+            self.env['runtime']['debug'].writeDebugOut('SpeechDriver:speak:rate:' + str(e),debug.debugLevel.ERROR) 
+        try:
+            self._engine.setProperty('pitch', self.pitch)       
+        except Exception as e:
+            self.env['runtime']['debug'].writeDebugOut('SpeechDriver:speak:pitch:' + str(e),debug.debugLevel.ERROR)                                 
+        if self.language != None:
+            if self.language != '':
+                try:
+                    self._engine.setProperty('voice', self.language)       
+                except Exception as e:
+                    self.env['runtime']['debug'].writeDebugOut('SpeechDriver:speak:language:' + str(e),debug.debugLevel.ERROR)               
+
+        elif self.voice != None:
+            if self.voice != '':
+                try:
+                    self._engine.setProperty('voice', self.voice) 
+                except Exception as e:
+                    self.env['runtime']['debug'].writeDebugOut('SpeechDriver:speak:voice:' + str(e),debug.debugLevel.ERROR)
+        self._engine.say(text)
+
+    def cancel(self):
+        if not self._isInitialized:
+            return
+        self._engine.stop()
+        self._engine.proxy.stop()
+
+    def setPitch(self, pitch):
+        if not self._isInitialized:
+            return
+        self.pitch = pitch
+        
+    def setRate(self, rate):
+        if not self._isInitialized:
+            return
+        self.rate = rate