def get_locale_from_request(request, session=None, user=None):
if user is None:
user_id = request.authenticated_userid or Everyone
if user_id != Everyone:
user = User.get(user_id)
session = session or User.default_db
if user:
if '_LOCALE_' in request.params:
locale = request.params['_LOCALE_']
process_locale(locale, user, session,
LanguagePreferenceOrder.Parameter)
elif '_LOCALE_' in request.cookies:
locale = request.cookies['_LOCALE_']
process_locale(locale, user, session,
LanguagePreferenceOrder.Cookie)
else:
# uses my locale negotiator
locale = request.locale_name
process_locale(locale, user, session,
LanguagePreferenceOrder.OS_Default)
else:
locale = request.localizer.locale_name
target_locale = Locale.get_or_create(
strip_country(locale), session)
return target_locale
def process_locale(
locale_code, user, session, source_of_evidence):
locale_code = to_posix_string(locale_code)
# Updated: Now Locale is a model. Converting posix_string into its
# equivalent model. Creates it if it does not exist
locale = Locale.get_or_create(locale_code, session)
if source_of_evidence in LanguagePreferenceOrder.unique_prefs:
lang_pref_signatures = defaultdict(list)
for lp in user.language_preference:
lang_pref_signatures[lp.source_of_evidence].append(lp)
while len(lang_pref_signatures[source_of_evidence]) > 1:
# legacy multiple values
lp = lang_pref_signatures[source_of_evidence].pop()
lp.delete()
if len(lang_pref_signatures[source_of_evidence]) == 1:
lang_pref_signatures[source_of_evidence][0].locale = locale
session.flush()
return
# else creation below
else:
lang_pref_signatures = {
(lp.locale_id, lp.source_of_evidence)
for lp in user.language_preference
}
if (locale.id, source_of_evidence) in lang_pref_signatures:
return
lang = UserLanguagePreference(
user=user, source_of_evidence=source_of_evidence.value, locale=locale)
session.add(lang)
session.flush()
def process_locale(locale_code, user, session, source_of_evidence):
locale_code = to_posix_string(locale_code)
# Updated: Now Locale is a model. Converting posix_string into its
# equivalent model. Creates it if it does not exist
locale = Locale.get_or_create(locale_code, session)
if source_of_evidence in LanguagePreferenceOrder.unique_prefs:
lang_pref_signatures = defaultdict(list)
for lp in user.language_preference:
lang_pref_signatures[lp.source_of_evidence].append(lp)
while len(lang_pref_signatures[source_of_evidence]) > 1:
# legacy multiple values
lp = lang_pref_signatures[source_of_evidence].pop()
lp.delete()
if len(lang_pref_signatures[source_of_evidence]) == 1:
lang_pref_signatures[source_of_evidence][0].locale = locale
session.flush()
return
# else creation below
else:
lang_pref_signatures = {(lp.locale_id, lp.source_of_evidence)
for lp in user.language_preference}
if (locale.id, source_of_evidence) in lang_pref_signatures:
return
lang = UserLanguagePreference(user=user,
source_of_evidence=source_of_evidence.value,
locale=locale)
session.add(lang)
session.flush()
def get_locale_from_request(request, session=None, user=None):
if user is None:
user_id = request.authenticated_userid or Everyone
if user_id != Everyone:
user = User.get(user_id)
session = session or User.default_db
if user:
if '_LOCALE_' in request.params:
locale = request.params['_LOCALE_']
process_locale(locale, user, session,
LanguagePreferenceOrder.Parameter)
elif '_LOCALE_' in request.cookies:
locale = request.cookies['_LOCALE_']
process_locale(locale, user, session,
LanguagePreferenceOrder.Cookie)
else:
# uses my locale negotiator
locale = request.locale_name
process_locale(locale, user, session,
LanguagePreferenceOrder.OS_Default)
else:
locale = request.localizer.locale_name
target_locale = Locale.get_or_create(strip_country(locale), session)
return target_locale