[Sugar-devel] [Sugar] Show a clean error in log if not libraries needed to do tts - SL #3345

[godiard at sugarlabs.org]

From: Gonzalo Odiard <godiard at gmail.com>

Signed-off-by: Gonzalo Odiard <gonzalo at laptop.org>
---
 extensions/deviceicon/speech.py |   11 +++++++++--
 extensions/globalkey/speech.py  |   21 +++++++++++++--------
 2 files changed, 22 insertions(+), 10 deletions(-)

diff --git a/extensions/deviceicon/speech.py b/extensions/deviceicon/speech.py
index 6b8f915..b231f26 100644
--- a/extensions/deviceicon/speech.py
+++ b/extensions/deviceicon/speech.py
@@ -14,6 +14,7 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
+import logging
 from gettext import gettext as _
 
 import glib
@@ -29,8 +30,13 @@ from sugar.graphics.menuitem import MenuItem
 from sugar.graphics import style
 
 from jarabe.frame.frameinvoker import FrameWidgetInvoker
-from jarabe.model import speech
 
+tts_available = True
+try:
+    from jarabe.model import speech
+except:
+    logging.error('Text to speech no avalable: error loading dependencies')
+    tts_available = False
 
 _ICON_NAME = 'microphone'
 
@@ -145,4 +151,5 @@ class SpeechPalette(Palette):
 
 
 def setup(tray):
-    tray.add_device(SpeechDeviceView())
+    if tts_available:
+        tray.add_device(SpeechDeviceView())
diff --git a/extensions/globalkey/speech.py b/extensions/globalkey/speech.py
index 2879b69..d0dd55d 100644
--- a/extensions/globalkey/speech.py
+++ b/extensions/globalkey/speech.py
@@ -14,16 +14,21 @@
 # along with this program; if not, write to the Free Software
 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
-from jarabe.model import speech
+tts_available = True
+try:
+    from jarabe.model import speech
+except:
+    tts_available = False
 
 BOUND_KEYS = ['<alt><shift>s']
 
 
 def handle_key_press(key):
-    manager = speech.get_speech_manager()
-    if manager.is_paused:
-        manager.restart()
-    elif not manager.is_playing:
-        manager.say_selected_text()
-    else:
-        manager.pause()
+    if tts_available:
+        manager = speech.get_speech_manager()
+        if manager.is_paused:
+            manager.restart()
+        elif not manager.is_playing:
+            manager.say_selected_text()
+        else:
+            manager.pause()
-- 
1.7.7.6