from django.db.models.base import ModelBase
from django.core.urlresolvers import resolve
class AppLabelRenamer(object):
''' Rename app label and app breadcrumbs in admin. '''
def __init__(self, native_app_label, app_label):
self.native_app_label = native_app_label
self.app_label = app_label
self.module = '.'.join([native_app_label, 'models'])
class string_with_realoaded_title(str):
''' tnx to Ionel Maries Cristian for http://ionelmc.wordpress.com/2011/06/24/custom-app-names-in-the-django-admin/'''
def __new__(cls, value, title):
instance = str.__new__(cls, value)
instance._title = title
return instance
def title(self):
return self._title
__copy__ = lambda self: self
__deepcopy__ = lambda self, memodict: self
def rename_app_label(self, f):
app_label = self.app_label
def rename_breadcrumbs(f):
def wrap(self, *args, **kwargs):
extra_context = kwargs.get('extra_context', {})
extra_context['app_label'] = app_label
kwargs['extra_context'] = extra_context
return f(self, *args, **kwargs)
return wrap
def wrap(model_or_iterable, admin_class=None, **option):
if isinstance(model_or_iterable, ModelBase):
model_or_iterable = [model_or_iterable]
for model in model_or_iterable:
if model.__module__ != self.module:
continue
if admin_class is None:
admin_class = type(model.__name__+'Admin', (admin.ModelAdmin,), {})
admin_class.add_view = rename_breadcrumbs(admin_class.add_view)
admin_class.change_view = rename_breadcrumbs(admin_class.change_view)
admin_class.changelist_view = rename_breadcrumbs(admin_class.changelist_view)
model._meta.app_label = self.string_with_realoaded_title(self.native_app_label, self.app_label)
return f(model, admin_class, **option)
return wrap
def rename_app_index(self, f):
def wrap(request, app_label, extra_context=None):
requested_app_label = resolve(request.path).kwargs.get('app_label', '')
if requested_app_label and requested_app_label == self.native_app_label:
app_label = self.string_with_realoaded_title(self.native_app_label, self.app_label)
else:
app_label = requested_app_label
return f(request, app_label, extra_context=None)
return wrap
def main(self):
admin.site.register = self.rename_app_label(admin.site.register)
admin.site.app_index = self.rename_app_index(admin.site.app_index)
# Example
AppLabelRenamer(native_app_label=u'exampleapp', app_label=u'your custom label').main()
Оригинал: http://djangosnippets.org/snippets/2488/
См. также: Изменение названия модуля в django admin
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