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import re
from django import template
from django.conf import settings
numeric_test = re.compile("^\d+$")
register = template.Library()
def attribute(value, arg):
"""Gets an attribute of an object dynamically from a string name"""
if hasattr(value, str(arg)):
return getattr(value, arg)
elif hasattr(value, 'has_key') and arg in value:
return value[arg]
elif numeric_test.match(str(arg)) and len(value) > int(arg):
return value[int(arg)]
else:
return settings.TEMPLATE_STRING_IF_INVALID
register.filter('attribute', attribute)
# vim: set ts=4 sw=4 et:
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