from __future__ import unicode_literals import csv from django.http import HttpResponse from django.utils.translation import ugettext_lazy as _ def export_as_csv_action(description=None, fields=None, exclude=None, header=True): """ This function returns an export csv action 'fields' and 'exclude' work like in Django ModelForm 'header' is whether or not to output the column names as the first row """ def export_as_csv(modeladmin, request, queryset): """ Generic csv export admin action. based on http://djangosnippets.org/snippets/1697/ """ opts = modeladmin.model._meta if fields: fieldset = set(fields) field_names = fieldset elif exclude: excludeset = set(exclude) field_names = field_names - excludeset response = HttpResponse(content_type="text/csv") response["Content-Disposition"] = "attachment; filename=%s.csv" % unicode(opts).replace(".", "_") writer = csv.writer(response) if header: writer.writerow(list(field_names)) for obj in queryset: writer.writerow( [unicode(getattr(obj, field)).encode("utf-8", "replace") for field in field_names]) return response if description is None: description = _("Export selected objects as CSV file") export_as_csv.short_description = description return export_as_csv