__title__ = 'admin_timeline.templatetags.admin_timeline_tags'
__author__ = 'Artur Barseghyan <artur.barseghyan@gmail.com>'
__copyright__ = 'Copyright (c) 2013-2015 Artur Barseghyan'
__license__ = 'GPL 2.0/LGPL 2.1'
__all__ = ('assign', 'get_full_name', 'resolve_admin_url',)
from django import template
from django.core.urlresolvers import reverse, NoReverseMatch
from nine.versions import DJANGO_GTE_1_7
if DJANGO_GTE_1_7:
from django.contrib.admin.utils import quote
else:
from django.contrib.admin.util import quote
register = template.Library()
class AssignNode(template.Node):
"""
Node for ``assign`` tag.
"""
def __init__(self, value, as_var):
self.value = value
self.as_var = as_var
def render(self, context):
context[self.as_var] = self.value.resolve(context, True)
return ''
@register.tag
[docs]def assign(parser, token):
"""
Assign an expression to a variable in the current context.
Syntax::
{% assign [value] as [name] %}
Example::
{% assign entry.get_related as list %}
"""
bits = token.contents.split()
if len(bits) != 4:
raise template.TemplateSyntaxError("'{0}' tag takes "
"three arguments".format(bits[0]))
value = parser.compile_filter(bits[1])
return AssignNode(value=value, as_var=bits[-1])
class GetFullNameNode(template.Node):
"""
Node for ``get_full_name`` tag.
"""
def __init__(self, user, as_var):
self.user = user
self.as_var = as_var
def render(self, context):
user = self.user.resolve(context, True)
context[self.as_var] = user.get_full_name() or user.username
return ''
@register.tag
[docs]def get_full_name(parser, token):
"""
Get users' full name.
Syntax::
{% get_full_name [user] as [name] %}
Example::
{% get_full_name entry.user as user_full_name %}
"""
bits = token.contents.split()
if len(bits) != 4:
raise template.TemplateSyntaxError("'{0}' tag takes "
"three arguments".format(bits[0]))
user = parser.compile_filter(bits[1])
return GetFullNameNode(user=user, as_var=bits[-1])
@register.filter
[docs]def resolve_admin_url(entry):
if entry.content_type and entry.object_id:
url_name = 'admin:%s_%s_change' % (entry.content_type.app_label,
entry.content_type.model)
try:
return reverse(url_name, args=(quote(entry.object_id),))
except NoReverseMatch:
pass
return None