From 6e82c5964e31f3cc937911069709af9830071338 Mon Sep 17 00:00:00 2001
From: Aleksey Lim <alsroot@member.fsf.org>
Date: Fri, 25 Dec 2009 15:34:56 +0000
Subject: Use only one directory level for sources

---
(limited to 'voice.py')

diff --git a/voice.py b/voice.py
new file mode 100644
index 0000000..5fc732e
--- /dev/null
+++ b/voice.py
@@ -0,0 +1,134 @@
+# Speak.activity
+# A simple front end to the espeak text-to-speech engine on the XO laptop
+# http://wiki.laptop.org/go/Speak
+#
+# Copyright (C) 2008  Joshua Minor
+# This file is part of Speak.activity
+#
+# Parts of Speak.activity are based on code from Measure.activity
+# Copyright (C) 2007  Arjun Sarwal - arjun@laptop.org
+# 
+#     Speak.activity is free software: you can redistribute it and/or modify
+#     it under the terms of the GNU General Public License as published by
+#     the Free Software Foundation, either version 3 of the License, or
+#     (at your option) any later version.
+# 
+#     Speak.activity is distributed in the hope that it will be useful,
+#     but WITHOUT ANY WARRANTY; without even the implied warranty of
+#     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+#     GNU General Public License for more details.
+#
+#     You should have received a copy of the GNU General Public License
+#     along with Speak.activity.  If not, see <http://www.gnu.org/licenses/>.
+
+import re, os
+from gettext import gettext as _
+
+import logging
+logger = logging.getLogger('speak')
+
+import espeak
+
+# Lets trick gettext into generating entries for the voice names we expect espeak to have
+# If espeak actually has new or different names then they won't get translated, but they
+# should still show up in the interface.
+expectedVoiceNames = [
+    _("Brazil"),
+    _("Swedish"),
+    _("Icelandic"),
+    _("Romanian"),
+    _("Swahili"),
+    _("Hindi"),
+    _("Dutch"),
+    _("Latin"),
+    _("Hungarian"),
+    _("Macedonian"),
+    _("Welsh"),
+    _("French"),
+    _("Norwegian"),
+    _("Russian"),
+    _("Afrikaans"),
+    _("Finnish"),
+    _("Default"),
+    _("Cantonese"),
+    _("Scottish"),
+    _("Greek"),
+    _("Vietnam"),
+    _("English"),
+    _("Lancashire"),
+    _("Italian"),
+    _("Portugal"),
+    _("German"),
+    _("Whisper"),
+    _("Croatian"),
+    _("Czech"),
+    _("Slovak"),
+    _("Spanish"),
+    _("Polish"),
+    _("Esperanto")
+]
+
+_allVoices = {}
+_defaultVoice = None
+
+class Voice:
+    def __init__(self, language, name):
+        self.language = language
+        self.name = name
+
+        friendlyname = name
+        friendlyname = friendlyname.replace('-test','')
+        friendlyname = friendlyname.replace('_test','')
+        friendlyname = friendlyname.replace('en-','')
+        friendlyname = friendlyname.replace('english-wisper','whisper')
+        friendlyname = friendlyname.capitalize()
+        self.friendlyname = _(friendlyname)
+
+def allVoices():
+    if _allVoices:
+        return _allVoices
+
+    for language, name in espeak.voices():
+        voice = Voice(language, name)
+        _allVoices[voice.friendlyname] = voice
+
+    return _allVoices
+
+def by_name(name):
+    return allVoices().get(name, defaultVoice())
+
+def defaultVoice():
+    """Try to figure out the default voice, from the current locale ($LANG).
+       Fall back to espeak's voice called Default."""
+
+    global _defaultVoice
+
+    if _defaultVoice:
+        return _defaultVoice
+
+    voices = allVoices()
+
+    def fit(a,b):
+        "Compare two language ids to see if they are similar."
+	as_ = re.split(r'[^a-z]+', a.lower())
+	bs = re.split(r'[^a-z]+', b.lower())
+	for count in range(0, min(len(as_),len(bs))):
+            if as_[count] != bs[count]:
+                count -= 1
+                break
+        return count
+    try:
+        lang = os.environ["LANG"]
+    except:
+        lang = ""
+
+    best = voices[_("Default")]
+    for voice in voices.values():
+        voiceMetric = fit(voice.language, lang)
+        bestMetric  = fit(best.language, lang)
+        if voiceMetric > bestMetric:
+            best = voice
+
+    print "Best voice for LANG %s seems to be %s %s" % (lang, best.language, best.friendlyname)
+    _defaultVoice =  best
+    return best
--
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