On Monday, December 12, 2016 at 6:38:39 PM UTC+1, justin walters wrote:
> On Mon, Dec 12, 2016 at 7:27 AM, roma <dr.roman.g...@gmail.com> wrote:
>
> > Thanks Justin,
> >
> > I believe, the whole database story has no influence on the broken pipe
> > error. I've commented out the whole block and leave only return line:
> > return HttpResponse(res, content_type="text/plain; charset=utf-8")
> > The error is still present. And I have no influence on that.
> >
> > I call python from js client:
> >
> > var newTrendReport = new App.TrendReport();
> > newTrendReport.set('search_phrase', search_phrase);
> > newTrendReport.set('time_from', time_from);
> > newTrendReport.set('time_to', time_to);
> > newTrendReport.set('time_scale', time_scale);
> > newTrendReport.set('category', category);
> > newTrendReport.startExport(
> >
> > function(response){
> > console.log("Successfully calculated trend report.");
> > App.trendPage = new App.TrendPageView();
> > App.trendPage.render(response);
> > },
> > );
> >
> > go throw:
> >
> > App.TrendReport = Backbone.Model.extend({
> > urlRoot: "/api/trend_reports/",
> > defaults: {
> > search_phrase: "",
> > time_from: "",
> > time_to: "",
> > time_scale: "",
> > category: ""
> > },
> >
> > startExportSuffix: "/export_report/",
> >
> > startExport: function( successCallback, errorCallback ) {
> > console.log("start trend calculation");
> > var that = this;
> > var ajaxUrl = this.startExportSuffix;
> > var options = {
> > method: "POST",
> > data: this.attributes,
> > contentType: "application/json;charset=UTF-8",
> > dataType: "json",
> >
> > error: errorCallback,
> > success: successCallback
> > };
> > console.log("start trend export sync");
> > App.ajax(ajaxUrl, options);
> > }
> >
> > });
> >
> > and come in export_report method.
> >
> > My urls.py:
> >
> > url(r'^export_report', ensure_csrf_cookie(views.export_report),
> > name="export_report"),
> > --
> > https://mail.python.org/mailman/listinfo/python-list
> >
>
> I'm not super familiar with the way backbone does http requests, but
> something seems off about the startExport function.
> It seems to me that you are sending a post request to "/export_report/"
> which is an endpoint that I'm guessing is nested
> in an include from "/api/trend_reports/". However, it looks like the error
> you're getting above says you aren't sending
> the request to "https://root.com/api/trend_reports/export_report/";.
> Instead, you are sending the request to "https://root.com/export_report/"; .
> Though, I'm also not sure that's the case because that would normally throw
> a 404.
>
> I also noticed that you set content type to 'application/json' in your js,
> but the view function returns a 'text/plain' content type. Is
> There a reason for this?
>
> The data key in your js http function is set to the attributes variable
> which, as far as I can tell, does not exist.
>
> There's a lot going on here, but I think you can probably narrow it down to
> something in your backbone code or the way
> backbone handles http requests as the error you are getting is caused by
> the client prematurely closing the socket.
> It's possible backbone will stop reading the response since it isn't the
> same content-type as the request.
Thanks a lot Justin,
The problem was solved when I employed standard Framework methods for creation
of new database object:
in JS:
var trendModel = new App.TrendModel();
trendModel.set("phrase", search_phrase);
trendModel.set("from_time", time_from);
trendModel.set(...
trendModel.save(...
in PY:
def create(self, request):
...
I've also created extra template and additional View. PageView for some unclear
reason didn't support creation of new object - this event just disappeared.
Regards,
Roman
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