admin.py 文件源码

def __init__(self, *args, **kwargs):
        """Initializes the VersionAdmin"""
        super(VersionAdmin, self).__init__(*args, **kwargs)
        # Automatically register models if required.
        if not self.revision_manager.is_registered(self.model):
            inline_fields = []
            for inline in self.inlines:
                inline_model = inline.model
                if issubclass(inline, GenericInlineModelAdmin):
                    ct_field = inline.ct_field
                    ct_fk_field = inline.ct_fk_field
                    for field in self.model._meta.many_to_many:
                        if isinstance(field, GenericRelation) and field.rel.to == inline_model and field.object_id_field_name == ct_fk_field and field.content_type_field_name == ct_field:
                            inline_fields.append(field.name)
                    self._autoregister(inline_model)
                elif issubclass(inline, options.InlineModelAdmin):
                    fk_name = inline.fk_name
                    if not fk_name:
                        for field in inline_model._meta.fields:
                            if isinstance(field, (models.ForeignKey, models.OneToOneField)) and issubclass(self.model, field.rel.to):
                                fk_name = field.name
                    self._autoregister(inline_model, follow=[fk_name])
                    if not inline_model._meta.get_field(fk_name).rel.is_hidden():
                        accessor = inline_model._meta.get_field(fk_name).related.get_accessor_name()
                        inline_fields.append(accessor)
            self._autoregister(self.model, inline_fields)
        # Wrap own methods in manual revision management.
        self.add_view = self.revision_context_manager.create_revision(manage_manually=True)(self.add_view)
        self.change_view = self.revision_context_manager.create_revision(manage_manually=True)(self.change_view)
        self.delete_view = self.revision_context_manager.create_revision(manage_manually=True)(self.delete_view)
        self.recover_view = self.revision_context_manager.create_revision(manage_manually=True)(self.recover_view)
        self.revision_view = self.revision_context_manager.create_revision(manage_manually=True)(self.revision_view)
        self.changelist_view = self.revision_context_manager.create_revision(manage_manually=True)(self.changelist_view)