mirror of
https://github.com/jazzband/django-admin2.git
synced 2026-03-16 22:20:24 +00:00
287 lines
9.1 KiB
Python
287 lines
9.1 KiB
Python
"""
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For wont of a better name, this module is called 'models'. It's role is
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synonymous with the django.contrib.admin.sites model.
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"""
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from django.core.urlresolvers import reverse
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from django.conf.urls import patterns, url
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from django.contrib.auth import models as auth_app
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from django.db.models import get_models, signals
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from djadmin2 import apiviews
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from djadmin2 import views
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try:
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import floppyforms as forms
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except ImportError:
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from django import forms
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class BaseAdmin2(object):
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"""
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Warning: This class will likely merged with ModelAdmin2
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"""
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search_fields = []
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# Show the fields to be displayed as columns
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# TODO: Confirm that this is what the Django admin uses
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list_fields = []
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#This shows up on the DocumentListView of the Posts
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list_actions = []
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# This shows up in the DocumentDetailView of the Posts.
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document_actions = []
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# shows up on a particular field
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field_actions = {}
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fields = None
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exclude = None
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fieldsets = None
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form_class = None
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filter_vertical = ()
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filter_horizontal = ()
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radio_fields = {}
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prepopulated_fields = {}
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formfield_overrides = {}
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readonly_fields = ()
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ordering = None
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def __init__(self, model, admin):
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super(BaseAdmin2, self).__init__()
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self.model = model
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self.admin = admin
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def _user_has_permission(self, user, permission_type, obj=None):
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""" Generic method for checking whether the user has permission of specified type for the model.
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Type can be one of view, add, change, delete.
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You can also specify instance of the model for object-specific permission check.
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"""
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if not user.is_authenticated() or not user.is_staff:
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return False
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opts = self.model._meta
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full_permission_name = '%s.%s_%s' % (opts.app_label, permission_type, opts.object_name.lower())
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return user.has_perm(full_permission_name, obj)
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def has_permission(self, request, permission_type, obj=None):
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return self._user_has_permission(request.user, permission_type, obj)
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def has_view_permission(self, request, obj=None):
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""" Can view this object """
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return self.has_permission(request, 'view', obj)
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def has_edit_permission(self, request, obj=None):
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""" Can edit this object """
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return self.has_permission(request, 'change', obj)
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def has_add_permission(self, request, obj=None):
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""" Can add this object """
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return self.has_permission(request, 'add', obj)
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def has_delete_permission(self, request, obj=None):
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""" Can delete this object """
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return self.has_permission(request, 'delete', obj)
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class ModelAdmin2(BaseAdmin2):
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"""
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Warning: This class is targeted for reduction.
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It's bloated and ugly.
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"""
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list_display = ('__str__',)
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list_display_links = ()
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list_filter = ()
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list_select_related = False
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list_per_page = 100
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list_max_show_all = 200
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list_editable = ()
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search_fields = ()
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save_as = False
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save_on_top = False
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verbose_name = None
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verbose_name_plural = None
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create_form_class = None
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update_form_class = None
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# Views
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index_view = views.ModelListView
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create_view = views.ModelAddFormView
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update_view = views.ModelEditFormView
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detail_view = views.ModelDetailView
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delete_view = views.ModelDeleteView
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# API configuration
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api_serializer_class = None
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# API Views
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api_list_view = apiviews.ListCreateAPIView
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api_detail_view = apiviews.RetrieveUpdateDestroyAPIView
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def __init__(self, model, admin, **kwargs):
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self.model = model
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self.admin = admin
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self.app_label = model._meta.app_label
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self.model_name = model._meta.object_name.lower()
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if self.verbose_name is None:
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self.verbose_name = self.model._meta.verbose_name
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if self.verbose_name_plural is None:
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self.verbose_name_plural = self.model._meta.verbose_name_plural
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def get_default_view_kwargs(self):
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return {
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'app_label': self.app_label,
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'model': self.model,
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'model_name': self.model_name,
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'model_admin': self,
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}
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def get_default_api_view_kwargs(self):
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kwargs = self.get_default_view_kwargs()
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kwargs.update({
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'serializer_class': self.api_serializer_class,
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})
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return kwargs
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def get_prefixed_view_name(self, view_name):
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return '{}_{}_{}'.format(self.app_label, self.model_name, view_name)
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def get_index_kwargs(self):
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return self.get_default_view_kwargs()
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def get_create_kwargs(self):
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kwargs = self.get_default_view_kwargs()
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kwargs.update({
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'form_class': self.create_form_class if self.create_form_class else self.form_class,
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})
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return kwargs
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def get_update_kwargs(self):
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kwargs = self.get_default_view_kwargs()
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kwargs.update({
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'form_class': self.update_form_class if self.update_form_class else self.form_class,
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})
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return kwargs
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def get_detail_kwargs(self):
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return self.get_default_view_kwargs()
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def get_delete_kwargs(self):
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return self.get_default_view_kwargs()
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def get_index_url(self):
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return reverse('admin2:{}'.format(self.get_prefixed_view_name('index')))
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def get_api_list_kwargs(self):
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kwargs = self.get_default_api_view_kwargs()
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kwargs.update({
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'paginate_by': self.list_per_page,
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})
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return kwargs
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def get_api_detail_kwargs(self):
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return self.get_default_api_view_kwargs()
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def get_urls(self):
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return patterns('',
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url(
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regex=r'^$',
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view=self.index_view.as_view(**self.get_index_kwargs()),
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name=self.get_prefixed_view_name('index')
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),
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url(
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regex=r'^create/$',
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view=self.create_view.as_view(**self.get_create_kwargs()),
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name=self.get_prefixed_view_name('create')
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),
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url(
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regex=r'^(?P<pk>[0-9]+)/$',
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view=self.detail_view.as_view(**self.get_detail_kwargs()),
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name=self.get_prefixed_view_name('detail')
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),
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url(
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regex=r'^(?P<pk>[0-9]+)/update/$',
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view=self.update_view.as_view(**self.get_update_kwargs()),
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name=self.get_prefixed_view_name('update')
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),
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url(
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regex=r'^(?P<pk>[0-9]+)/delete/$',
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view=self.delete_view.as_view(**self.get_delete_kwargs()),
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name=self.get_prefixed_view_name('delete')
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),
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)
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def get_api_urls(self):
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return patterns('',
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url(
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regex=r'^$',
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view=self.api_list_view.as_view(**self.get_api_list_kwargs()),
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name=self.get_prefixed_view_name('api-list'),
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),
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url(
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regex=r'^(?P<pk>[0-9]+)/$',
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view=self.api_detail_view.as_view(**self.get_api_detail_kwargs()),
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name=self.get_prefixed_view_name('api-detail'),
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),
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)
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@property
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def urls(self):
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# We set the application and instance namespace here
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return self.get_urls(), None, None
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@property
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def api_urls(self):
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return self.get_api_urls(), None, None
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def create_extra_permissions(app, created_models, verbosity, **kwargs):
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"""
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Creates 'view' permissions for all models.
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django.contrib.auth only creates add, change and delete permissions. Since we also support read-only views, we need
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to add our own extra permission.
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Copied from django.contrib.auth.management.create_permissions
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"""
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from django.contrib.contenttypes.models import ContentType
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app_models = get_models(app)
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# This will hold the permissions we're looking for as
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# (content_type, (codename, name))
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searched_perms = list()
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# The codenames and ctypes that should exist.
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ctypes = set()
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for klass in app_models:
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ctype = ContentType.objects.get_for_model(klass)
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ctypes.add(ctype)
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opts = klass._meta
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perm = ('view_%s' % opts.object_name.lower(), u'Can view %s' % opts.verbose_name_raw)
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searched_perms.append((ctype, perm))
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# Find all the Permissions that have a content_type for a model we're
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# looking for. We don't need to check for codenames since we already have
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# a list of the ones we're going to create.
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all_perms = set(auth_app.Permission.objects.filter(
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content_type__in=ctypes,
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).values_list(
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"content_type", "codename"
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))
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perms = [
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auth_app.Permission(codename=codename, name=name, content_type=ctype)
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for ctype, (codename, name) in searched_perms
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if (ctype.pk, codename) not in all_perms
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]
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auth_app.Permission.objects.bulk_create(perms)
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if verbosity >= 2:
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for perm in perms:
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print "Adding permission '%s'" % perm
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signals.post_syncdb.connect(create_extra_permissions,
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dispatch_uid = "django-admin2.djadmin2.models.create_extra_permissions")
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