python - django locale can't translate depend on accept-language -


here settings 

languages = (      ('zh_cn', u'简体中文'),      ('en-us', u'english'),  )  language_code = 'en-us'    use_i18n = true    use_l10n = true    middleware_classes = (        'django.contrib.sessions.middleware.sessionmiddleware',      'django.middleware.locale.localemiddleware',      'corsheaders.middleware.corsmiddleware',      'django.middleware.common.commonmiddleware',      'django.middleware.csrf.csrfviewmiddleware',      'django.contrib.auth.middleware.authenticationmiddleware',      'django.contrib.messages.middleware.messagemiddleware',      # "django.middleware.cache.cachemiddleware",      "django.middleware.transaction.transactionmiddleware",    )

here print

('django_language', '') ('cookies', '') ('accept_language', 'zh_cn') ('language_code', 'en-us')

my django version 1.5.4

if set

request.session['django_language'] = 'zh_cn'

i translation next time. what's wrong ?


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