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PUSHING
THE PONY’S
BOUNDRIES
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BFF
Ola + Admin ==
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7 years of building
admin interfaces
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Ola
Sitarska
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DjangoCon Europe 2013, 2015, 2016
Django Girls
Django Core Team
DSF Code of Conduct
Django Under The Hood
Senior Django Dev @ Potato
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ADMIN
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Insides of the admin
Magic tricks
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before after
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HOW
ADMIN
WORKS
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AdminSite
ModelAdmin
ChangeList
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AdminSite
encapsulates an instance of the
Django admin application, ready to
be hooked in to your URLconf.
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site = AdminSite()
AdminSite: URLs
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url(r'^admin/', include(admin.site.urls)),
AdminSite: URLs
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super_awesome_site = AdminSite()
url(r’^super-awesome-admin/',
include(super_awesome_site.urls)),
AdminSite: URLs
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class AdminSite(object):
…
@property
def urls(self):
return self.get_urls(), ‘admin’, self.name
AdminSite: URLs
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class AdminSite(object):
…
@property
def get_urls(self):
# Admin-site-wide urls
urlpatterns = [
url(r'^$', wrap(self.index), name='index'),
url(r'^login/$', self.login, name='login'),
url(r'^logout/$', wrap(self.logout),
name='logout'),
…
AdminSite: URLs
AdminSite: URLs
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class AdminSite(object):
…
@property
def get_urls(self):
# Admin-site-wide urls
urlpatterns = [
url(r'^$', wrap(self.index), name='index'),
url(r'^login/$', self.login, name='login'),
url(r'^logout/$', wrap(self.logout),
name='logout'),
…
AdminSite: URLs
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# Add in each model's views, and create a list of
# valid URLS for the app_index
for model, model_admin in self._registry.items():
urlpatterns += [
url(r'^%s/%s/' % (model._meta.app_label,
model._meta.model_name),
include(model_admin.urls)
),
]
AdminSite: URLs
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# Add in each model's views, and create a list of
# valid URLS for the app_index
for model, model_admin in self._registry.items():
urlpatterns += [
url(r'^%s/%s/' % (model._meta.app_label,
model._meta.model_name),
include(model_admin.urls)
),
]
AdminSite: URLs
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# Add in each model's views, and create a list of
# valid URLS for the app_index
for model, model_admin in self._registry.items():
urlpatterns += [
url(r'^%s/%s/' % (model._meta.app_label,
model._meta.model_name),
include(model_admin.urls)
),
]
AdminSite: URLs
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# Add in each model's views, and create a list of
# valid URLS for the app_index
for model, model_admin in self._registry.items():
urlpatterns += [
url(r'^%s/%s/' % (model._meta.app_label,
model._meta.model_name),
include(model_admin.urls)
),
]
AdminSite: URLs
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AdminSite: model registry
from django.contrib import admin
admin.site.register(Author, AuthorAdmin)
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AdminSite: model registry
from django.contrib import admin
admin.site.register(Author, AuthorAdmin)
@admin.register(Author)
class AuthorAdmin(admin.ModelAdmin):
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AdminSite: model registry
from django.contrib import admin
admin.site.register(Author, AuthorAdmin)
@admin.register(Author)
class AuthorAdmin(admin.ModelAdmin):
admin.site.register(Author)
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AdminSite: model registry
from django.contrib import admin
admin.site.register(Author, AuthorAdmin)
@admin.register(Author)
class AuthorAdmin(admin.ModelAdmin):
admin.site.register(Author)
register(Author, list_display=(‘name’, ‘age’))
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AdminSite: basic config
class AdminSite(object):
# Text to put at the end of each page's .
site_title = ugettext_lazy('Django site admin')
# Text to put in each page's
. site_header = ugettext_lazy('Django administration') # Text to put at the top of the admin index page. index_title = ugettext_lazy('Site administration')
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ModelAdmin
encapsulates all admin options and
functionality for any given model.
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ModelAdmin
actions actions_on_top actions_on_bottom
actions_selection_counter date_hierarchy exclude fields
fieldsets filter_horizontal form formfield_overrides inlines
list_display list_display_links list_editable list_filter
list_max_show_all list_per_page list_select_related ordering
paginator prepopulated_fields preserve_filters radio_fields
raw_id_fields readonly_fields save_as save_on_top
search_fields show_full_result_count view_on_site
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ModelAdmin
actions actions_on_top actions_on_bottom
actions_selection_counter date_hierarchy exclude fields
fieldsets filter_horizontal form formfield_overrides inlines
list_display list_display_links list_editable list_filter
list_max_show_all list_per_page list_select_related ordering
paginator prepopulated_fields preserve_filters radio_fields
raw_id_fields readonly_fields save_as save_on_top
search_fields show_full_result_count view_on_site
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ModelAdmin
actions actions_on_top actions_on_bottom
actions_selection_counter date_hierarchy exclude fields
fieldsets filter_horizontal form formfield_overrides inlines
list_display list_display_links list_editable list_filter
list_max_show_all list_per_page list_select_related ordering
paginator prepopulated_fields preserve_filters radio_fields
raw_id_fields readonly_fields save_as save_on_top
search_fields show_full_result_count view_on_site
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ModelAdmin
actions actions_on_top actions_on_bottom
actions_selection_counter date_hierarchy exclude fields
fieldsets filter_horizontal form formfield_overrides inlines
list_display list_display_links list_editable list_filter
list_max_show_all list_per_page list_select_related ordering
paginator prepopulated_fields preserve_filters radio_fields
raw_id_fields readonly_fields save_as save_on_top
search_fields show_full_result_count view_on_site
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ModelAdmin
actions actions_on_top actions_on_bottom
actions_selection_counter date_hierarchy exclude fields
fieldsets filter_horizontal form formfield_overrides inlines
list_display list_display_links list_editable list_filter
list_max_show_all list_per_page list_select_related ordering
paginator prepopulated_fields preserve_filters radio_fields
raw_id_fields readonly_fields save_as save_on_top
search_fields show_full_result_count view_on_site
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ModelAdmin
actions actions_on_top actions_on_bottom
actions_selection_counter date_hierarchy exclude fields
fieldsets filter_horizontal form formfield_overrides inlines
list_display list_display_links list_editable list_filter
list_max_show_all list_per_page list_select_related ordering
paginator prepopulated_fields preserve_filters radio_fields
raw_id_fields readonly_fields save_as save_on_top
search_fields show_full_result_count view_on_site
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ModelAdmin
actions actions_on_top actions_on_bottom
actions_selection_counter date_hierarchy exclude fields
fieldsets filter_horizontal form formfield_overrides inlines
list_display list_display_links list_editable list_filter
list_max_show_all list_per_page list_select_related ordering
paginator prepopulated_fields preserve_filters radio_fields
raw_id_fields readonly_fields save_as save_on_top
search_fields show_full_result_count view_on_site
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ModelAdmin
actions actions_on_top actions_on_bottom
actions_selection_counter date_hierarchy exclude fields
fieldsets filter_horizontal form formfield_overrides inlines
list_display list_display_links list_editable list_filter
list_max_show_all list_per_page list_select_related ordering
paginator prepopulated_fields preserve_filters radio_fields
raw_id_fields readonly_fields save_as save_on_top
search_fields show_full_result_count view_on_site
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ModelAdmin
actions actions_on_top actions_on_bottom
actions_selection_counter date_hierarchy exclude fields
fieldsets filter_horizontal form formfield_overrides inlines
list_display list_display_links list_editable list_filter
list_max_show_all list_per_page list_select_related ordering
paginator prepopulated_fields preserve_filters radio_fields
raw_id_fields readonly_fields save_as save_on_top
search_fields show_full_result_count view_on_site
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AdminSite
ModelAdmin
ChangeList
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Insides of the admin
Magic tricks
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Advanced permissions
• organizers can edit only their
own events
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Advanced permissions
class EventAdmin(admin.ModelAdmin):
list_display = ('name', 'organizers', ‘date')
search_fields = ('city', 'country', 'name')
def get_queryset(self, request):
qs = super(EventAdmin, self).queryset(request)
if request.user.is_superuser:
return qs
return qs.filter(team=request.user)
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Advanced permissions
class EventAdmin(admin.ModelAdmin):
list_display = ('name', 'organizers', ‘date')
search_fields = ('city', 'country', 'name')
def get_queryset(self, request):
qs = super(EventAdmin, self).queryset(request)
if request.user.is_superuser:
return qs
return qs.filter(team=request.user)
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Advanced permissions
class EventAdmin(admin.ModelAdmin):
list_display = ('name', 'organizers', ‘date')
search_fields = ('city', 'country', 'name')
def get_queryset(self, request):
qs = super(EventAdmin, self).queryset(request)
if request.user.is_superuser:
return qs
return qs.filter(team=request.user)
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Advanced permissions
class EventAdmin(admin.ModelAdmin):
list_display = ('name', 'organizers', ‘date')
search_fields = ('city', 'country', 'name')
def get_queryset(self, request):
qs = super(EventAdmin, self).queryset(request)
if request.user.is_superuser:
return qs
return qs.filter(team=request.user)
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Advanced permissions
def get_form(self, request, obj=None, **kwargs):
form = super(EventPageContentAdmin,
self).get_form(request, obj, **kwargs)
if not request.user.is_superuser:
if 'page' in form.base_fields:
form.base_fields['page'].queryset = \
EventPage.objects.filter(
event__team=request.user
)
return form
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Advanced permissions
def get_form(self, request, obj=None, **kwargs):
form = super(EventPageContentAdmin,
self).get_form(request, obj, **kwargs)
if not request.user.is_superuser:
if 'page' in form.base_fields:
form.base_fields['page'].queryset = \
EventPage.objects.filter(
event__team=request.user
)
return form
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Advanced permissions
def get_form(self, request, obj=None, **kwargs):
form = super(EventPageContentAdmin,
self).get_form(request, obj, **kwargs)
if not request.user.is_superuser:
if 'page' in form.base_fields:
form.base_fields['page'].queryset = \
EventPage.objects.filter(
event__team=request.user
)
return form
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Advanced permissions
def get_form(self, request, obj=None, **kwargs):
form = super(EventPageContentAdmin,
self).get_form(request, obj, **kwargs)
if not request.user.is_superuser:
if 'page' in form.base_fields:
form.base_fields['page'].queryset = \
EventPage.objects.filter(
event__team=request.user
)
return form
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Advanced permissions
• organizers can edit only their
own events
• organizers can edit only future
events
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ModelAdmin
actions actions_on_top actions_on_bottom
actions_selection_counter date_hierarchy exclude fields
fieldsets filter_horizontal form formfield_overrides inlines
list_display list_display_links list_editable list_filter
list_max_show_all list_per_page list_select_related ordering
paginator prepopulated_fields preserve_filters radio_fields
raw_id_fields readonly_fields save_as save_on_top
search_fields show_full_result_count view_on_site
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Advanced permissions
def get_readonly_fields(self, request, obj=None):
if obj and not request.user.is_superuser:
if not obj.page.event.is_upcoming():
return set(
[x.name for x in self.model._meta.fields]
)
return self.readonly_fields
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Advanced permissions
def get_readonly_fields(self, request, obj=None):
if obj and not request.user.is_superuser:
if not obj.page.event.is_upcoming():
return set(
[x.name for x in self.model._meta.fields]
)
return self.readonly_fields
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Advanced permissions
def get_readonly_fields(self, request, obj=None):
if obj and not request.user.is_superuser:
if not obj.page.event.is_upcoming():
return set(
[x.name for x in self.model._meta.fields]
)
return self.readonly_fields
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Advanced permissions
def get_readonly_fields(self, request, obj=None):
if obj and not request.user.is_superuser:
if not obj.page.event.is_upcoming():
return set(
[x.name for x in self.model._meta.fields]
)
return self.readonly_fields
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Advanced permissions
def get_readonly_fields(self, request, obj=None):
if obj and not request.user.is_superuser:
if not obj.page.event.is_upcoming():
return set(
[x.name for x in self.model._meta.fields]
)
return self.readonly_fields
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Custom method fields
• display all organizers as list on
ChangeList view
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Custom method fields
class EventAdmin(admin.ModelAdmin):
list_display = ('name', ‘get_organizers’, ‘date')
…
def get_organizers(self, obj):
members = []
for member in self.team.all():
members.append(
u’{name} <{email}>’.format(
member.get_full_name(), member.email
)
)
return ', '.join(members)
get_organizers.short_description = “Organizers”
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Custom method fields
class EventAdmin(admin.ModelAdmin):
list_display = ('name', ‘get_organizers’, ‘date')
…
def get_organizers(self, obj):
members = []
for member in self.team.all():
members.append(
u’{name} <{email}>’.format(
member.get_full_name(), member.email
)
)
return ', '.join(members)
get_organizers.short_description = “Organizers”
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Custom method fields
class EventAdmin(admin.ModelAdmin):
list_display = ('name', ‘get_organizers’, ‘date')
…
def get_organizers(self, obj):
members = []
for member in self.team.all():
members.append(
u’{name} <{email}>’.format(
member.get_full_name(), member.email
)
)
return ', '.join(members)
get_organizers.short_description = “Organizers”
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Custom method fields
class EventAdmin(admin.ModelAdmin):
list_display = ('name', ‘get_organizers’, ‘date')
…
def get_organizers(self, obj):
members = []
for member in self.team.all():
members.append(
u’{name} <{email}>’.format(
member.get_full_name(), member.email
)
)
return ', '.join(members)
get_organizers.short_description = “Organizers”
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Custom method fields
• display all organizers as list on
ChangeList view
• display status of the event
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Custom method fields
class EventAdmin(admin.ModelAdmin):
list_display = ('name', ‘is_event_over’, ‘date')
…
def is_event_over(self, obj):
return not obj.is_upcoming()
is_event_over.boolean = True
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Custom method fields
class EventAdmin(admin.ModelAdmin):
list_display = ('name', ‘is_event_over’, ‘date')
…
def is_event_over(self, obj):
return not obj.is_upcoming()
is_event_over.boolean = True
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Custom method fields
class EventAdmin(admin.ModelAdmin):
list_display = ('name', ‘is_event_over’, ‘date')
…
def is_event_over(self, obj):
return not obj.is_upcoming()
is_event_over.boolean = True
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Custom method fields
• display all organizers as list on
ChangeList view
• display status of the event
• display images on a list in the
ChangeList view
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Custom method fields
class EventAdmin(admin.ModelAdmin):
list_display = ('name', ‘get_logo_display’, ‘date')
…
def get_logo_display(self, obj):
if obj.logo:
return '
'.format(self.logo.url)
else:
return 'No logo!'
get_logo_display.allow_tags = True
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Custom method fields
class EventAdmin(admin.ModelAdmin):
list_display = ('name', ‘get_logo_display’, ‘date')
…
def get_logo_display(self, obj):
if obj.logo:
return ''.format(self.logo.url)
else:
return 'No logo!'
get_logo_display.allow_tags = True
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Custom method fields
class EventAdmin(admin.ModelAdmin):
list_display = ('name', ‘get_logo_display’, ‘date')
…
def get_logo_display(self, obj):
if obj.logo:
return ''.format(self.logo.url)
else:
return 'No logo!'
get_logo_display.allow_tags = True
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Custom method fields
class EventAdmin(admin.ModelAdmin):
list_display = ('name', ‘get_logo_display’, ‘date')
…
def get_logo_display(self, obj):
if obj.logo:
return ''.format(self.logo.url)
else:
return 'No logo!'
get_logo_display.allow_tags = True
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Custom method fields
class EventAdmin(admin.ModelAdmin):
list_display = ('name', ‘get_logo_display’, ‘date')
…
def get_logo_display(self, obj):
if obj.logo:
return ''.format(self.logo.url)
else:
return 'No logo!'
get_logo_display.allow_tags = True
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Custom actions
• a way to publish multiple events
on the homepage with one click
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Custom actions
class EventAdmin(admin.ModelAdmin):
list_display = ('name', ‘get_logo_display’, ‘date’)
actions = [‘show_on_homepage’]
…
def show_on_homepage(self, request, queryset):
queryset.update(is_on_homepage=True)
show_on_homepage.short_description = "Publish selected”
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class EventAdmin(admin.ModelAdmin):
list_display = ('name', ‘get_logo_display’, ‘date’)
actions = [‘show_on_homepage’]
…
def show_on_homepage(self, request, queryset):
queryset.update(is_on_homepage=True)
show_on_homepage.short_description = "Publish selected”
Custom actions
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class EventAdmin(admin.ModelAdmin):
list_display = ('name', ‘get_logo_display’, ‘date’)
actions = [‘show_on_homepage’]
…
def show_on_homepage(self, request, queryset):
queryset.update(is_on_homepage=True)
show_on_homepage.short_description = "Publish selected”
Custom actions
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class EventAdmin(admin.ModelAdmin):
list_display = ('name', ‘get_logo_display’, ‘date’)
actions = [‘show_on_homepage’]
…
def show_on_homepage(self, request, queryset):
queryset.update(is_on_homepage=True)
show_on_homepage.short_description = "Publish selected”
Custom actions
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class EventAdmin(admin.ModelAdmin):
list_display = ('name', ‘get_logo_display’, ‘date’)
actions = [‘show_on_homepage’]
…
def show_on_homepage(self, request, queryset):
queryset.update(is_on_homepage=True)
show_on_homepage.short_description = "Publish selected”
Custom actions
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DON’T FALL
INTO the TRAP!
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DON’T:
Use Django Admin as
your user facing
interface
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DON’T:
Waste too much time
trying to customize
something
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DO:
Make your managers
and admins lifes easier
with small tricks *
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DO:
Make sure your admins
can’t break the website
with too much power +
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Thanks!