Fixes from various PRs in the pyttsx33 repo

rlvoice/driver.py

@@ -160,6 +160,22 @@ def save_to_file(self, text, filename, name):
         '''
         self._push(self._driver.save_to_file, (text, filename), name)
 
+    def to_memory(self, text, olist, name):
+        '''
+        Called by the engine to push a say command onto the queue.
+        @param text: Text to sepak
+        @type text: unicode
+        @param name: Name to associate with this utterance. Included in
+            notifications about this utterance.
+        @param ostream: The opened output stream
+        
+            >>> import pyttsx3
+            >>> engine = pyttsx3.init()
+            >>> ret = []
+            >>> engine.to_memory("hello", ret)
+        '''
+        self._push(self._driver.to_memory, (text, olist), name)
+
     def getProperty(self, name):
         '''
         Called by the engine to get a driver property value.

rlvoice/drivers/nsss.py

@@ -4,11 +4,25 @@
 from ..voice import Voice
 from objc import super
 import objc
-from Foundation import NSObject, NSTimer, NSURL
+from Foundation import NSObject, NSTimer, NSURL, NSDefaultRunLoopMode, NSRunLoop
+from PyObjCTools.AppHelper import PyObjCAppHelperRunLoopStopper
 
 def buildDriver(proxy):
     return NSSpeechDriver.alloc().initWithProxy(proxy)
 
+class RunLoopStopper(PyObjCAppHelperRunLoopStopper):
+
+    def init(self):
+        self = super(RunLoopStopper, self).init()
+        self.shouldStop = False
+        return self
+
+    def stop(self):
+        self.shouldStop = True
+        # this should go away when/if runEventLoop uses
+        # runLoop iteration
+        # if NSApp() is not None:
+        #     NSApp().terminate_(self)
 
 class NSSpeechDriver(NSObject):
     @objc.python_method
@@ -33,7 +47,20 @@ def onPumpFirst_(self, timer):
     def startLoop(self):
         NSTimer.scheduledTimerWithTimeInterval_target_selector_userInfo_repeats_(
             0.0, self, 'onPumpFirst:', None, False)
-        AppHelper.runConsoleEventLoop()
+        runLoop = NSRunLoop.currentRunLoop()
+        stopper = RunLoopStopper.alloc().init()
+        PyObjCAppHelperRunLoopStopper.addRunLoopStopper_toRunLoop_(stopper, runLoop)
+        try:
+
+            while stopper.shouldRun():
+                nextfire = runLoop.limitDateForMode_(NSDefaultRunLoopMode)
+                if not stopper.shouldRun():
+                    break
+                if not runLoop.runMode_beforeDate_(NSDefaultRunLoopMode, nextfire):
+                    stopper.stop()
+
+        finally:
+            PyObjCAppHelperRunLoopStopper.removeRunLoopStopperFromRunLoop_(runLoop)
 
     def endLoop(self):
         AppHelper.stopEventLoop()
@@ -114,9 +141,9 @@ def setProperty(self, name, value):
     @objc.python_method
     def save_to_file(self, text, filename):
         url = NSURL.fileURLWithPath_(filename)
-        self._tts.startSpeakingString_toURL_(text, url)
         import time
-        time.sleep(0.1)
+        self._tts.startSpeakingString_toURL_(text, url)
+        time.sleep(max(1, len(text) * 0.01))
         # needed so script doesn't end w/o talking
         while self._tts.isSpeaking():
             time.sleep(0.1)

rlvoice/drivers/sapi5.py

@@ -1,4 +1,5 @@
 import comtypes.client  # Importing comtypes.client will make the gen subpackage
+from ctypes import c_int16
 try:
     from comtypes.gen import SpeechLib  # comtypes
 except ImportError:
@@ -87,6 +88,16 @@ def save_to_file(self, text, filename):
         stream.close()
         os.chdir(cwd)
 
+    def to_memory(self, text, olist):
+        stream = comtypes.client.CreateObject('SAPI.SpMemoryStream')
+        temp_stream = self._tts.AudioOutputStream
+        self._tts.AudioOutputStream = stream
+        self._tts.Speak(fromUtf8(toUtf8(text)))
+        self._tts.AudioOutputStream = temp_stream
+        data = stream.GetData()        
+        olist.append([c_int16((data[i])|data[i+1]<<8).value for i in range(0,len(data),2)])
+        stream.close()
+
     def _toVoice(self, attr):
         return Voice(attr.Id, attr.GetDescription())
 

rlvoice/engine.py

@@ -121,6 +121,22 @@ def save_to_file(self, text, filename, name=None):
         '''
         self.proxy.save_to_file(text, filename, name)
 
+    def to_memory(self, text, olist, name=None):
+        '''
+        Adds an utterance to speak to the event queue.
+        @param text: Text to sepak
+        @type text: unicode
+        @param name: Name to associate with this utterance. Included in
+            notifications about this utterance.
+        @param ostream: The opened output stream        
+        
+            >>> import pyttsx3
+            >>> engine = pyttsx3.init()
+            >>> ret = []
+            >>> engine.to_memory("hello", ret)
+        '''
+        self.proxy.to_memory(text,olist, name)
+
     def isBusy(self):
         """
         @return: True if an utterance is currently being spoken, false if not