frontend/afe/views.py

import urllib2, sys, traceback, cgi

from frontend.afe import models, rpc_handler, rpc_interface, site_rpc_interface
from frontend.afe import rpc_utils
from django.http import HttpResponse, HttpResponsePermanentRedirect
from django.http import HttpResponseServerError
from django.template import Context, loader

# since site_rpc_interface is later in the list, its methods will override those
# of rpc_interface
rpc_handler_obj = rpc_handler.RpcHandler((rpc_interface, site_rpc_interface),
                                         document_module=rpc_interface)


def handle_rpc(request):
    return rpc_handler_obj.handle_rpc_request(request)


def model_documentation(request):
    doc = '<h2>Models</h2>\n'
    for model_name in ('Label', 'Host', 'Test', 'User', 'AclGroup', 'Job'):
        model_class = getattr(models, model_name)
        doc += '<h3>%s</h3>\n' % model_name
        doc += '<pre>\n%s</pre>\n' % model_class.__doc__
    return HttpResponse(doc)


def redirect_with_extra_data(request, url, **kwargs):
    kwargs['getdata'] = request.GET.urlencode()
    kwargs['server_name'] = request.META['SERVER_NAME']
    return HttpResponsePermanentRedirect(url % kwargs)


GWT_SERVER = 'http://localhost:8888/'
def gwt_forward(request, forward_addr):
    if len(request.POST) == 0:
        data = None
    else:
        data = request.raw_post_data
    url_response = urllib2.urlopen(GWT_SERVER + forward_addr, data=data)
    http_response = HttpResponse(url_response.read())
    for header, value in url_response.info().items():
        if header not in ('connection',):
            http_response[header] = value
    return http_response


def handler500(request):
    t = loader.get_template('500.html')
    trace = traceback.format_exc()
    context = Context({
        'type': sys.exc_type,
        'value': sys.exc_value,
        'traceback': cgi.escape(trace)
    })
    return HttpResponseServerError(t.render(context))