Display search results. Takes an optional "contenttype" GET parameter
    in the form "app-name.ModelName" to limit search results to a single model.

def search(request, template="search_results.html", extra_context=None):
    """
    Display search results. Takes an optional "contenttype" GET parameter
    in the form "app-name.ModelName" to limit search results to a single model.
    """
    query = request.GET.get("q", "")
    page = request.GET.get("page", 1)
    per_page = settings.SEARCH_PER_PAGE
    max_paging_links = settings.MAX_PAGING_LINKS
    try:
        parts = request.GET.get("type", "").split(".", 1)
        search_model = apps.get_model(*parts)
        search_model.objects.search  # Attribute check
    except (ValueError, TypeError, LookupError, AttributeError):
        search_model = Displayable
        search_type = _("Everything")
    else:
        search_type = search_model._meta.verbose_name_plural.capitalize()
    results = search_model.objects.search(query, for_user=request.user)
    paginated = paginate(results, page, per_page, max_paging_links)
    context = {"query": query, "results": paginated,
               "search_type": search_type}
    context.update(extra_context or {})
    return TemplateResponse(request, template, context)