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from __future__ import absolute_import
from django.contrib import admin
from django.core.paginator import Paginator
from .models import (Child, Parent, Genre, Band, Musician, Group, Quartet,
Membership, ChordsMusician, ChordsBand, Invitation, Swallow)
site = admin.AdminSite(name="admin")
class CustomPaginator(Paginator):
def __init__(self, queryset, page_size, orphans=0, allow_empty_first_page=True):
super(CustomPaginator, self).__init__(queryset, 5, orphans=2,
allow_empty_first_page=allow_empty_first_page)
class ParentAdmin(admin.ModelAdmin):
list_filter = ['child__name']
search_fields = ['child__name']
class ChildAdmin(admin.ModelAdmin):
list_display = ['name', 'parent']
list_per_page = 10
def queryset(self, request):
return super(ChildAdmin, self).queryset(request).select_related("parent__name")
class CustomPaginationAdmin(ChildAdmin):
paginator = CustomPaginator
class FilteredChildAdmin(admin.ModelAdmin):
list_display = ['name', 'parent']
list_per_page = 10
def queryset(self, request):
return super(FilteredChildAdmin, self).queryset(request).filter(
name__contains='filtered')
class BandAdmin(admin.ModelAdmin):
list_filter = ['genres']
class GroupAdmin(admin.ModelAdmin):
list_filter = ['members']
class QuartetAdmin(admin.ModelAdmin):
list_filter = ['members']
class ChordsBandAdmin(admin.ModelAdmin):
list_filter = ['members']
class DynamicListDisplayChildAdmin(admin.ModelAdmin):
list_display = ('parent', 'name', 'age')
def get_list_display(self, request):
my_list_display = super(DynamicListDisplayChildAdmin, self).get_list_display(request)
if request.user.username == 'noparents':
my_list_display = list(my_list_display)
my_list_display.remove('parent')
return my_list_display
class DynamicListDisplayLinksChildAdmin(admin.ModelAdmin):
list_display = ('parent', 'name', 'age')
list_display_links = ['parent', 'name']
def get_list_display_links(self, request, list_display):
return ['age']
site.register(Child, DynamicListDisplayChildAdmin)
class SwallowAdmin(admin.ModelAdmin):
actions = None # prevent ['action_checkbox'] + list(list_display)
list_display = ('origin', 'load', 'speed')
site.register(Swallow, SwallowAdmin)
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