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Diffstat (limited to 'speak/voice.py')
| -rw-r--r-- | speak/voice.py | 169 |
1 files changed, 169 insertions, 0 deletions
diff --git a/speak/voice.py b/speak/voice.py new file mode 100644 index 0000000..0cf2b8d --- /dev/null +++ b/speak/voice.py @@ -0,0 +1,169 @@ +# Adapted from the activity Speak http://activities.sugarlabs.org/es-ES/sugar/addon/4038 +# Copyright (C) 2008 Joshua Minor +# +# This program 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 2 of the License, or +# (at your option) any later version. +# +# This program 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 this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + +import re +import os +from gettext import gettext as _ + +import espeak_cmd as espeak + +import logging +logger = logging.getLogger('speak') + + + +# 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.replace('english-us', 'us') + + friendlynameRP = name # friendlyname for RP + friendlynameRP = friendlynameRP.replace('english_rp', 'rp') + friendlynameRP = friendlynameRP.replace('english_wmids', 'wmids') + + parts = re.split('[ _-]', friendlyname) + partsRP = re.split('[ _]', friendlynameRP) # RE for english_RP + self.short_name = _(parts[0].capitalize()) + self.friendlyname = ' '.join([self.short_name] + parts[1:]) + + friendlynameRP1 = None + if friendlynameRP == 'rp': + + friendlynameRP1 = 'English (Received Pronunciation)' + self.friendlyname = 'English (Received Pronunciation)' + + friendlynameUS = None + if friendlyname == 'us': + friendlynameUS = 'English (USA)' + self.friendlyname = 'English (USA)' + + friendlynameWMIDS = None + if friendlynameRP == 'wmids': + friendlynameWMIDS = 'English (West Midlands)' + self.friendlyname = 'English (West Midlands)' + + def __cmp__(self, other): + return cmp(self.friendlyname, other.friendlyname if other else '') + + +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 lang == 'en_AU.UTF-8': + if voice.friendlyname == 'English (Received Pronunciation)': + best = voice + break + 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 |