def Variable_init_with_underscores_allowed(original_function, self, var):
from django.conf import settings
# for security reasons, production deployments are not allowed to
# render variable names containing underscores anyway.
if not settings.DEBUG:
return original_function(self, var)
self.var = var
self.literal = None
self.lookups = None
self.translate = False
self.message_context = None
try:
# First try to treat this variable as a number.
#
# Note that this could cause an OverflowError here that we're not
# catching. Since this should only happen at compile time, that's
# probably OK.
self.literal = float(var)
# So it's a float... is it an int? If the original value contained a
# dot or an "e" then it was a float, not an int.
if '.' not in var and 'e' not in var.lower():
self.literal = int(self.literal)
# "2." is invalid
if var.endswith('.'):
raise ValueError
except ValueError:
# A ValueError means that the variable isn't a number.
if var.startswith('_(') and var.endswith(')'):
# The result of the lookup should be translated at rendering
# time.
self.translate = True
var = var[2:-1]
# If it's wrapped with quotes (single or double), then
# we're also dealing with a literal.
try:
from django.utils.text import unescape_string_literal
self.literal = mark_safe(unescape_string_literal(var))
except ValueError:
# Otherwise we'll set self.lookups so that resolve() knows we're
# dealing with a bonafide variable
"""
if var.find(VARIABLE_ATTRIBUTE_SEPARATOR + '_') > -1 or var[0] == '_':
raise TemplateSyntaxError("Variables and attributes may "
"not begin with underscores: '%s'" %
var)
"""
from django.template.base import VARIABLE_ATTRIBUTE_SEPARATOR
self.lookups = tuple(var.split(VARIABLE_ATTRIBUTE_SEPARATOR))
def errors(self):
return mark_safe(u'\n'.join([self.form[f].errors.as_ul() for f in self.fields if f not in self.readonly_fields]).strip('\n'))
