def language_selection():
"""Ensures a language has been selected before proceeding with call flow, by:
- If a get param is sent, store it and return.
- If the context already has a language, return.
- If a language choice was passed back, pull it out of settings, store it and return.
- If nothing was sent, prompt the user with available choices.
This only needs to be set once during the life of a call.
"""
# Twimlet-style params always override language settings
if 'language' in g.request_params.keys():
sel = g.request_params['language']
try:
sel = int(sel)
write_context('language', settings.LANGUAGES[sel - 1][0])
except ValueError:
if sel in [lang[0] for lang in settings.LANGUAGES]:
write_context('language', sel)
# Internal app use
if not get_lang():
errors = []
r = twiml.Response()
# Collect and wipe digits if a choice was submitted
if 'Digits' in g.request_params.keys():
sel = int(g.request_params.get('Digits', 1))
try:
write_context('language', settings.LANGUAGES[sel - 1][0])
except:
errors.append('%d is not a valid selection, please try again.')
del g.request_params['Digits']
# Prompt and gather if language is not valid or no choice was submitted
if not get_lang():
with r.gather(numDigits=1, timeout=settings.INPUT_TIMEOUT) as rg:
if not len(errors):
rg.say("""Welcome to Call on Congress, the Sunlight Foundation's
free service that helps you keep our lawmakers accountable.
""")
else:
rg.say(' '.join(errors))
rg.say('Press 1 to continue in English.', language='en')
rg.say('Presione 2 para continuar en espanol.', language='es')
r.redirect(request.path)
return r
return True
def __init__(self, text, **kwargs):
if 'language' not in kwargs.keys():
lang = get_lang(default=settings.DEFAULT_LANGUAGE)
kwargs.update(language=lang)
if 'voice' not in kwargs.keys():
kwargs.update(voice=g.request_params.get('voice', settings.DEFAULT_VOICE))
super(Say, self).__init__(text, **kwargs)
self.body = translate(text, **kwargs)
def translate(s, **kwargs):
query = {
'lang': kwargs.get('language', get_lang(default=settings.DEFAULT_LANGUAGE)),
'hash': hashlib.md5(s).hexdigest(),
}
if query.get('lang') == 'en':
return s
trans = g.db.translations.find_one(query)
if trans:
return trans['translation']
else:
try:
trans = translator.translate(s, target=query.get('lang'))
query.update(translation=trans.translatedText)
s = query.get('translation')
g.db.translations.save(query)
except GTranslatorError:
pass
return s
def __new__(cls, text, **kwargs):
if 'language' not in kwargs.keys():
lang = get_lang(default=settings.DEFAULT_LANGUAGE)
kwargs.update(language=lang)
lang = kwargs['language']
url = translate_audio(audio_filename_for(text), language=lang)
exists = False
try:
exists = (requests.head(url, timeout=1.5).status_code == 200)
except:
pass
# Play audio if it exists. If a voice was passed explicitly, never play audio.
if exists and 'voice' not in g.request_params.keys():
play = Play(audio_filename_for(text), **kwargs)
return play
else: # Only adjust language via accent map if we don't have audio.
kwargs['language'] = ACCENT_MAP.get(lang, lang)
return super(Say, cls).__new__(cls, text, **kwargs)
def translate_audio(filename, **kwargs):
if 'language' not in kwargs.keys():
kwargs.update(language=get_lang(default=settings.DEFAULT_LANGUAGE))
return "%s/%s/%s" % (audio_root_as_url(), kwargs.get('language'), filename)