Force Django to use settings.LANGUAGE_CODE for default language instead of request.META['HTTP_ACCEPT_LANGUAGE']

force_default_language_middleware.py

try:
    from django.utils.deprecation import MiddlewareMixin
except ImportError:
    MiddlewareMixin = object

    
class ForceDefaultLanguageMiddleware(MiddlewareMixin):
    """
    Ignore Accept-Language HTTP headers
    
    This will force the I18N machinery to always choose settings.LANGUAGE_CODE
    as the default initial language, unless another one is set via sessions or cookies
    
    Should be installed *before* any middleware that checks request.META['HTTP_ACCEPT_LANGUAGE'],
    namely django.middleware.locale.LocaleMiddleware
    """
    def process_request(self, request):
        if 'HTTP_ACCEPT_LANGUAGE' in request.META:
            del request.META['HTTP_ACCEPT_LANGUAGE']