Updated accessible_output2. Add mac and a better linux support

src/accessible_output2/outputs/e_speak.py

@@ -0,0 +1,31 @@
+from __future__ import absolute_import
+from .base import Output
+
+try:
+ import espeak.core
+except:
+ raise RuntimeError("Cannot find espeak.core. Please install python-espeak")
+
+class ESpeak(Output):
+ """Speech output supporting ESpeak on Linux
+    Note this requires python-espeak to be installed
+    This can be done on Debian distros by using apt-get install python-espeak
+    Or through this tarball: https://launchpad.net/python-espeak
+ """
+ name = "Linux ESpeak"
+
+ def is_active(self):
+  try:
+   import espeak.core
+  except:
+   return False
+  return True
+
+ def speak(self, text, interrupt = 0):
+  if interrupt:
+   self.silence()
+  espeak.core.synth(text)
+ def silence(self):
+  espeak.core.cancel()
+
+output_class = ESpeak