60 lines
2.0 KiB
Python
60 lines
2.0 KiB
Python
from django import template
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from django.contrib.admin.models import LogEntry
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register = template.Library()
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class AdminLogNode(template.Node):
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def __init__(self, limit, varname, user):
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self.limit, self.varname, self.user = limit, varname, user
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def __repr__(self):
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return "<GetAdminLog Node>"
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def render(self, context):
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if self.user is None:
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entries = LogEntry.objects.all()
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else:
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user_id = self.user
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if not user_id.isdigit():
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user_id = context[self.user].pk
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entries = LogEntry.objects.filter(user__pk=user_id)
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context[self.varname] = entries.select_related('content_type', 'user')[:int(self.limit)]
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return ''
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@register.tag
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def get_admin_log(parser, token):
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"""
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Populate a template variable with the admin log for the given criteria.
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Usage::
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{% get_admin_log [limit] as [varname] for_user [context_var_containing_user_obj] %}
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Examples::
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{% get_admin_log 10 as admin_log for_user 23 %}
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{% get_admin_log 10 as admin_log for_user user %}
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{% get_admin_log 10 as admin_log %}
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Note that ``context_var_containing_user_obj`` can be a hard-coded integer
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(user ID) or the name of a template context variable containing the user
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object whose ID you want.
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"""
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tokens = token.contents.split()
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if len(tokens) < 4:
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raise template.TemplateSyntaxError(
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"'get_admin_log' statements require two arguments")
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if not tokens[1].isdigit():
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raise template.TemplateSyntaxError(
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"First argument to 'get_admin_log' must be an integer")
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if tokens[2] != 'as':
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raise template.TemplateSyntaxError(
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"Second argument to 'get_admin_log' must be 'as'")
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if len(tokens) > 4:
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if tokens[4] != 'for_user':
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raise template.TemplateSyntaxError(
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"Fourth argument to 'get_admin_log' must be 'for_user'")
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return AdminLogNode(limit=tokens[1], varname=tokens[3], user=(tokens[5] if len(tokens) > 5 else None))
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