def wrapper(request, *args, **kwargs):
from django.conf import settings
ajax = request.is_ajax()
try:
res = f(request, *args, **kwargs)
except Exception, e:
# we got an error. If in debug mode send a JSON response with
# the error message back to javascript.
if settings.DEBUG and ajax:
res = jservererror(e, url = request.path)
else:
raise e
def post_response(self, djp):
'''Handle the post view. This function checks the request.POST dictionary
for a post_view_key specified in HTML_CLASSES (by default 'xhr')
If it finds this key, the post view is an AJAX-JSON request and the key VALUE represents
a function responsible for handling the response.
These ajax enabled post view functions must start with the prefix
ajax__ followed by the VALUE of the post_view_key.
Example:
so lets say we find in the POST dictionary
{
...
'xhr': 'change_parameter',
...
}
Than there should be a function called 'ajax__change_parameter'
which handle the response'''
request = djp.request
post = request.POST
is_ajax = request.is_ajax()
ajax_key = False
mimetype = None
http = djp.http
if is_ajax:
mimetype = 'application/javascript'
params = dict(post.items())
prefix = params.get('_prefixed',None)
ajax_key = params.get(djp.css.post_view_key, None)
if ajax_key:
if prefix and prefix in ajax_key:
ajax_key = ajax_key[len(prefix)+1:]
ajax_key = ajax_key.replace('-','_').lower()
# If ajax_key is defined, it means this is a AJAX-JSON request
if is_ajax:
#
# Handle the cancel request redirect.
# Check for next in the parameters,
# If not there redirect to self.defaultredirect
if ajax_key == 'cancel':
next = params.get('next',None)
next = self.defaultredirect(djp.request, next = url, **djp.kwargs)
res = jredirect(next)
else:
ajax_view_function = None
if ajax_key:
ajax_view = 'ajax__%s' % ajax_key
ajax_view_function = getattr(self,str(ajax_view),None)
# No post view function found. Let's try the default ajax post view
if not ajax_view_function:
ajax_view_function = self.default_post;
try:
res = ajax_view_function(djp)
except Exception as e:
# we got an error. If in debug mode send a JSON response with
# the error message back to javascript.
if djp.settings.DEBUG:
exc_info = sys.exc_info()
stack_trace = '\n'.join(traceback.format_exception(*exc_info))
logerror(self.logger, request, exc_info)
res = jservererror(stack_trace, url = djp.url)
else:
raise e
return http.HttpResponse(res.dumps(),mimetype)
#
# Otherwise it is the default POST response
else:
return self.default_post(djp)
