Parse JSON object from a POST request body in Django/python based server

Question

I am using the following function to send JSON formatted data to my Django based server which stores the user keys generated for users in a database. When I try to access the request.body on the server side using python on Django, it gets printed as a string [object Object]. How do I handle this part of parsing the json from the request.body on server side. function completeKeygen(data) { var key_data = { 'user_id':user_id, 'keys':data } delete data['action']; console.log("Sending UBE Keys to User"); console.log(key_data);

    var oReq = new XMLHttpRequest();
    oReq.open("POST",CLOUD_SERVER+'add_ube_keys',true);
    oReq.responseType = "json";
    oReq.setRequestHeader("Content-type", "application/json");
    oReq.onload = function(oEvent){
        console.log(oReq.response.success);
    };
    oReq.send(key_data);
}

For reference the server side code:

@csrf_exempt
def add_ube_keys(request):
    data = request.POST
    print data.get('user_id')
    return_data = {
        'success':True
    }
    rdata = json.dumps(return_data)
    return HttpResponse(rdata, content_type='application/json')

Unlike the possibly duplicate question, I am getting the Querydict object on print request.POST returns <QueryDict: {}>. Why is it empty ?

You must be a genius @brunodesthuilliers but I am a noob learner for sure, politeness alongside knowledge doesn't costs much anyways. Thanks :) — bawejakunal
– bawejakunal, Commented Jul 15, 2015 at 11:46
print request.POST returns <QueryDict: {}>, not the one populated as given in the question stackoverflow.com/questions/24958705/django-request-post-json — bawejakunal
– bawejakunal, Commented Jul 15, 2015 at 12:04

Community · Accepted Answer · 2017-05-23 12:14:33Z

0

I still don't know what is wrong with my approach in the question mentioned above but I solved this in three steps:

I added JSON.stringify(key_data) in the javascript before sending the XMLHttpRequest.
Changed application/json to application/x-www-form-urlencoded.
Now the python side treats the data as a normal string, so I used json.loads(request.body) to extract the json object from the stringified data.

The above two steps have been taken from the previously posted question: How to receive POST data in python when using XMLHttpRequest()

edited May 23, 2017 at 12:14

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answered Jul 15, 2015 at 15:35

bawejakunal

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YCYCYC · Accepted Answer · 2015-11-01 19:52:06Z

0

request.POST only includes form data now. You'll have to parse out the JSON from request.body.

https://docs.djangoproject.com/en/dev/ref/request-response/#django.http.HttpRequest.POST

answered Nov 1, 2015 at 19:52

YCYCYC

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