85 lines
2.9 KiB
Python
85 lines
2.9 KiB
Python
from __future__ import unicode_literals
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from django.conf import settings
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from django.contrib.admin.utils import quote
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from django.contrib.contenttypes.models import ContentType
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from django.core.urlresolvers import NoReverseMatch, reverse
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from django.db import models
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from django.utils.encoding import python_2_unicode_compatible, smart_text
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from django.utils.translation import ugettext, ugettext_lazy as _
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ADDITION = 1
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CHANGE = 2
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DELETION = 3
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class LogEntryManager(models.Manager):
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use_in_migrations = True
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def log_action(self, user_id, content_type_id, object_id, object_repr, action_flag, change_message=''):
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e = self.model(
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None, None, user_id, content_type_id, smart_text(object_id),
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object_repr[:200], action_flag, change_message
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)
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e.save()
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@python_2_unicode_compatible
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class LogEntry(models.Model):
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action_time = models.DateTimeField(_('action time'), auto_now=True)
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user = models.ForeignKey(settings.AUTH_USER_MODEL)
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content_type = models.ForeignKey(ContentType, blank=True, null=True)
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object_id = models.TextField(_('object id'), blank=True, null=True)
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object_repr = models.CharField(_('object repr'), max_length=200)
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action_flag = models.PositiveSmallIntegerField(_('action flag'))
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change_message = models.TextField(_('change message'), blank=True)
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objects = LogEntryManager()
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class Meta:
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verbose_name = _('log entry')
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verbose_name_plural = _('log entries')
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db_table = 'django_admin_log'
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ordering = ('-action_time',)
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def __repr__(self):
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return smart_text(self.action_time)
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def __str__(self):
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if self.action_flag == ADDITION:
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return ugettext('Added "%(object)s".') % {'object': self.object_repr}
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elif self.action_flag == CHANGE:
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return ugettext('Changed "%(object)s" - %(changes)s') % {
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'object': self.object_repr,
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'changes': self.change_message,
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}
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elif self.action_flag == DELETION:
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return ugettext('Deleted "%(object)s."') % {'object': self.object_repr}
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return ugettext('LogEntry Object')
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def is_addition(self):
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return self.action_flag == ADDITION
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def is_change(self):
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return self.action_flag == CHANGE
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def is_deletion(self):
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return self.action_flag == DELETION
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def get_edited_object(self):
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"Returns the edited object represented by this log entry"
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return self.content_type.get_object_for_this_type(pk=self.object_id)
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def get_admin_url(self):
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"""
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Returns the admin URL to edit the object represented by this log entry.
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"""
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if self.content_type and self.object_id:
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url_name = 'admin:%s_%s_change' % (self.content_type.app_label, self.content_type.model)
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try:
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return reverse(url_name, args=(quote(self.object_id),))
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except NoReverseMatch:
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pass
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return None
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