add initial emacspeak driver

setup.py

@@ -89,6 +89,7 @@ setup(
         "pyenchant",
         "pyudev",
         "setuptools",
+        "pexpect",
     ],
     
 )

src/fenrir/speechDriver/emacspeakDriver.py

@@ -0,0 +1,79 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+# Fenrir TTY screen reader
+# By Chrys, Storm Dragon, and contributers.
+# generic driver
+
+from core import debug
+from subprocess import Popen, PIPE
+import pexpect
+import sys
+
+class driver():
+    def __init__(self):
+        pass
+    def initialize(self, environment):
+        self._isInitialized = False    
+        try:
+            self.server = pexpect.spawnu('tclsh /home/chrys/Projekte/emacspeak/servers/espeak')   
+        except Exception as e:
+            self.env['runtime']['debug'].writeDebugOut('speechDriver:initialize:' + str(e),debug.debugLevel.ERROR)                
+        self._isInitialized = True
+        self.env = environment
+        
+    def shutdown(self):
+        if self.server:
+            try:
+                self.server.terminate()
+            except Exception as e:
+                self.env['runtime']['debug'].writeDebugOut('speechDriver:shutdown:self.server.terminate():' + str(e),debug.debugLevel.WARNING)    
+
+    def speak(self,text, queueable=True):
+        if not self._isInitialized:
+            return
+        if not queueable: 
+            self.cancel()
+        self.server.sendline('tts_say ' + '\"' + text +'\"')
+        self.server.sendline('d')            
+
+    def cancel(self):
+        if not self._isInitialized:
+            return
+        self.server.sendline('s')   
+
+    def setCallback(self, callback):
+        print('SpeechDummyDriver: setCallback')    
+
+    def clear_buffer(self):
+        if not self._isInitialized:
+            return
+        print('SpeechDummyDriver: clear_buffer')    
+
+    def setVoice(self, voice):
+        if not self._isInitialized:
+            return
+        #self.server.sendline('s')
+
+    def setPitch(self, pitch):
+        if not self._isInitialized:
+            return
+        #self.server.sendline('tts_set_speech_rate')
+
+    def setRate(self, rate):
+        if not self._isInitialized:
+            return
+        self.server.sendline('tts_set_speech_rate' + str(rate))
+    def setModule(self, module):
+        if not self._isInitialized:
+            return 
+
+    def setLanguage(self, language):
+        if not self._isInitialized:
+            return
+        #self.server.sendline('s')
+
+    def setVolume(self, volume):
+        if not self._isInitialized:
+            return     
+        #self.server.sendline('s')