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An app to allow Django admin changelists to be exported to CSV (Django > 1.3)

Project description

This app provides a ModelAdmin which you can subclass in order to allow your changelist view to be exported to CSV. This will add an “Export CSV” button to the top-right of the changelist. Clicking this button will export a CSV containing the same columns and headings as your changelist view. By default, up to 10,000 rows will be exported, though this can be changed easily.

Django > 1.3 is required, at which point the standard changelist_view() returns a TemplateResponse. This allows us to change the template used after the response is created, so that we can output CSV instead of the standard HTML view. Django <= 1.3 requires a previous version of this app in which the changelist_view code is duplicated and modified slightly to change the template and setup the response for download instead of display.

Note: if you alter ‘change_list_template’ on your ModelAdmin subclass, the “Export CSV” button will not appear. You will need to add it manually to your template or link to the correct url (admin:myapp_mymodel_export) by some other means.

Examples

Simple example:

# myapp/admin.py
from django.contrib import admin
from django_exportable_admin.admin import ExportableAdmin
from models import MyModel

class MyModelAdmin(ExportableAdmin):
    list_display = ('field1','field2','field3')
admin.site.register(MyModel, MyModelAdmin)

Complex example:

# myapp/admin.py
from django.contrib import admin
from django_exportable_admin.admin import ExportableAdmin
from models import MyModel

class MyModelAdmin(ExportableAdmin):
    list_display = ('field1','field2','calculated_field')

    # adjust the number of results
    export_queryset_limit = 100

    def calculated_field(self, obj):
        return u"%.3f" % obj.float_field / 33.7
    calculated_field.short_description = 'Arbitrary Title'
admin.site.register(MyModel, MyModelAdmin)

Project details


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