views.py 文件源码

def index(request, uri):
    """
    Proxies render requests to graphite-web, as configured in graphite.conf
    """
    base = CONFIG.get('graphiteweb', 'base')

    if request.method in ('GET', 'HEAD'):
        query = _inject_default_arguments(request.GET)
        url = urljoin(base, uri + ('?' + query) if query else '')
        req = Request(url)
    elif request.method == 'POST':
        data = _inject_default_arguments(request.POST)
        url = urljoin(base, uri)
        req = Request(url, data)
    else:
        return HttpResponseNotAllowed(['GET', 'POST', 'HEAD'])

    LOGGER.debug("proxying request to %r", url)
    proxy = urlopen(req)
    headers = proxy.info()
    content_type = headers.getheader('Content-Type', 'text/html')

    if request.method == 'HEAD':
        response = HttpResponse(content_type=content_type)
        response['Content-Length'] = headers.getheader('Content-Length', '0')
    else:
        response = HttpResponse(proxy.read(), content_type=content_type)

    response['X-Where-Am-I'] = request.get_full_path()
    return response