One-click Django language select

config.py

# settings.py

TEMPLATE_CONTEXT_PROCESSORS = (
    'django.core.context_processors.i18n',
)

# urls.py (outside i18n_patterns)

(r'^i18n/', include('django.conf.urls.i18n')),

language_selector.html

{% get_language_info_list for LANGUAGES as languages %}
{% if settings.USE_I18N and languages|length > 1 %}
<form action="{% url "set_language" %}" method="post" class="navbar-form navbar-right">
{% csrf_token %}
<div class="form-group">
    <select name="language" class="form-control" onchange="this.form.submit()">
    {% for language in languages %}
    <option value="{{ language.code }}"
        {% if language.code == LANGUAGE_CODE %}selected="selected"{% endif %}>
        {{ language.name_local }}
    </option>
    {% endfor %}
    </select>
</div>
</form>
{% endif %}