views.py 文件源码

def upload_csv(request, form_class):
    """
    Upload csv file to server and validate it.
    :param form_class: - form class to instantiate (taken from urls.py)
    :rtype: HttpResponse
    """
    csv_file = request.FILES.get('0')
    if csv_file:
        # Apply custom validation
        new_csv_file = None
        try:
            new_csv_file = form_class.validate_csv_file(csv_file)
        except Exception:
            pass
        if not new_csv_file:
            return HttpResponseNotFound(simplejson.dumps({'response': _('File is not valid')}))
        else:
            response = {'response': _('File is valid'), 'lines': new_csv_file.line_count,
                        'names': new_csv_file.names}
            if new_csv_file.warning:
                # add warning
                response['warning'] = new_csv_file.warning
                response['response'] = _('File is partially valid')
            request.session[form_class.CSV_FILE_NAME] = new_csv_file
        return HttpResponse(simplejson.dumps(response))
    raise Http404