/django/contrib/admin/templatetags/log.py
Python | 57 lines | 53 code | 4 blank | 0 comment | 3 complexity | 39344b80a579c6fdc79f31b38052dc27 MD5 | raw file
Possible License(s): BSD-3-Clause
- from django import template
- from django.contrib.admin.models import LogEntry
- register = template.Library()
- class AdminLogNode(template.Node):
- def __init__(self, limit, varname, user):
- self.limit, self.varname, self.user = limit, varname, user
- def __repr__(self):
- return "<GetAdminLog Node>"
- def render(self, context):
- if self.user is None:
- context[self.varname] = LogEntry.objects.all().select_related('content_type', 'user')[:self.limit]
- else:
- user_id = self.user
- if not user_id.isdigit():
- user_id = context[self.user].id
- context[self.varname] = LogEntry.objects.filter(user__id__exact=user_id).select_related('content_type', 'user')[:self.limit]
- return ''
- class DoGetAdminLog:
- """
- Populates a template variable with the admin log for the given criteria.
- Usage::
- {% get_admin_log [limit] as [varname] for_user [context_var_containing_user_obj] %}
- Examples::
- {% get_admin_log 10 as admin_log for_user 23 %}
- {% get_admin_log 10 as admin_log for_user user %}
- {% get_admin_log 10 as admin_log %}
- Note that ``context_var_containing_user_obj`` can be a hard-coded integer
- (user ID) or the name of a template context variable containing the user
- object whose ID you want.
- """
- def __init__(self, tag_name):
- self.tag_name = tag_name
- def __call__(self, parser, token):
- tokens = token.contents.split()
- if len(tokens) < 4:
- raise template.TemplateSyntaxError("'%s' statements require two arguments" % self.tag_name)
- if not tokens[1].isdigit():
- raise template.TemplateSyntaxError("First argument in '%s' must be an integer" % self.tag_name)
- if tokens[2] != 'as':
- raise template.TemplateSyntaxError("Second argument in '%s' must be 'as'" % self.tag_name)
- if len(tokens) > 4:
- if tokens[4] != 'for_user':
- raise template.TemplateSyntaxError("Fourth argument in '%s' must be 'for_user'" % self.tag_name)
- return AdminLogNode(limit=tokens[1], varname=tokens[3], user=(len(tokens) > 5 and tokens[5] or None))
- register.tag('get_admin_log', DoGetAdminLog('get_admin_log'))