59 lines
2.2 KiB
Python
59 lines
2.2 KiB
Python
import csv
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from django.http import HttpResponse, HttpResponseForbidden
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from django.template.defaultfilters import slugify
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from django.apps import apps
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def export(qs, fields=None):
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model = qs.model
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response = HttpResponse(content_type='text/csv')
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response['Content-Disposition'] = 'attachment; filename=%s.csv' % slugify(model.__name__)
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writer = csv.writer(response)
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# Write headers to CSV file
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if fields:
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headers = fields
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else:
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headers = []
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for field in model._meta.fields:
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headers.append(field.name)
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writer.writerow(headers)
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# Write data to CSV file
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for obj in qs:
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row = []
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for field in headers:
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if field in headers:
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val = getattr(obj, field)
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if callable(val):
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val = val()
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row.append(val)
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writer.writerow(row)
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# Return CSV file to browser as download
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return response
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def admin_list_export(request, model_name, app_label, queryset=None, fields=None, list_display=True):
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"""
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Put the following line in your urls.py BEFORE your admin include
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(r'^admin/(?P<app_label>[\d\w]+)/(?P<model_name>[\d\w]+)/csv/', 'util.csv_view.admin_list_export'),
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"""
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if not request.user.is_staff:
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return HttpResponseForbidden()
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if not queryset:
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model = apps.get_model(app_label, model_name)
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queryset = model.objects.all()
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queryset = queryset.filter(profile__is_cof = True)
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if not fields:
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if list_display and len(queryset.model._meta.admin.list_display) > 1:
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fields = queryset.model._meta.admin.list_display
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else:
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fields = None
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return export(queryset, fields)
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"""
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Create your own change_list.html for your admin view and put something like this in it:
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{% block object-tools %}
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<ul class="object-tools">
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<li><a href="csv/{%if request.GET%}?{{request.GET.urlencode}}{%endif%}" class="addlink">Export to CSV</a></li>
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{% if has_add_permission %}
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<li><a href="add/{% if is_popup %}?_popup=1{% endif %}" class="addlink">{% blocktrans with cl.opts.verbose_name|escape as name %}Add {{ name }}{% endblocktrans %}</a></li>
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{% endif %}
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</ul>
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{% endblock %}
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"""
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