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  • Documentation version: 1.8

Source code for django.contrib.admin.models

from __future__ import unicode_literals

from django.conf import settings
from django.contrib.admin.utils import quote
from django.contrib.contenttypes.models import ContentType
from django.core.urlresolvers import NoReverseMatch, reverse
from django.db import models
from django.utils.encoding import python_2_unicode_compatible, smart_text
from django.utils.translation import ugettext, ugettext_lazy as _


class LogEntryManager(models.Manager):
    use_in_migrations = True

    def log_action(self, user_id, content_type_id, object_id, object_repr, action_flag, change_message=''):
        e = self.model(
            None, None, user_id, content_type_id, smart_text(object_id),
            object_repr[:200], action_flag, change_message

class LogEntry(models.Model):
    action_time = models.DateTimeField(_('action time'), auto_now=True)
    user = models.ForeignKey(settings.AUTH_USER_MODEL)
    content_type = models.ForeignKey(ContentType, blank=True, null=True)
    object_id = models.TextField(_('object id'), blank=True, null=True)
    object_repr = models.CharField(_('object repr'), max_length=200)
    action_flag = models.PositiveSmallIntegerField(_('action flag'))
    change_message = models.TextField(_('change message'), blank=True)

    objects = LogEntryManager()

    class Meta:
        verbose_name = _('log entry')
        verbose_name_plural = _('log entries')
        db_table = 'django_admin_log'
        ordering = ('-action_time',)

    def __repr__(self):
        return smart_text(self.action_time)

    def __str__(self):
        if self.action_flag == ADDITION:
            return ugettext('Added "%(object)s".') % {'object': self.object_repr}
        elif self.action_flag == CHANGE:
            return ugettext('Changed "%(object)s" - %(changes)s') % {
                'object': self.object_repr,
                'changes': self.change_message,
        elif self.action_flag == DELETION:
            return ugettext('Deleted "%(object)s."') % {'object': self.object_repr}

        return ugettext('LogEntry Object')

    def is_addition(self):
        return self.action_flag == ADDITION

    def is_change(self):
        return self.action_flag == CHANGE

    def is_deletion(self):
        return self.action_flag == DELETION

[docs] def get_edited_object(self): "Returns the edited object represented by this log entry" return self.content_type.get_object_for_this_type(pk=self.object_id)
def get_admin_url(self): """ Returns the admin URL to edit the object represented by this log entry. """ if self.content_type and self.object_id: url_name = 'admin:%s_%s_change' % (self.content_type.app_label, self.content_type.model) try: return reverse(url_name, args=(quote(self.object_id),)) except NoReverseMatch: pass return None
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