def render(self, context):
self.filter_expression.var.translate = not self.noop
if self.message_context:
self.filter_expression.var.message_context = (
self.message_context.resolve(context))
output = self.filter_expression.resolve(context)
value = _render_value_in_context(output, context)
if self.asvar:
context[self.asvar] = value
return ''
else:
return value
def render(self, context):
if self.message_context:
message_context = self.message_context.resolve(context)
else:
message_context = None
tmp_context = {}
for var, val in self.extra_context.items():
tmp_context[var] = val.resolve(context)
# Update() works like a push(), so corresponding context.pop() is at
# the end of function
context.update(tmp_context)
singular, vars = self.render_token_list(self.singular)
# Escape all isolated '%'
singular = re.sub('%(?!\()', '%%', singular)
if self.plural and self.countervar and self.counter:
count = self.counter.resolve(context)
context[self.countervar] = count
plural, plural_vars = self.render_token_list(self.plural)
plural = re.sub('%(?!\()', '%%', plural)
if message_context:
result = translation.npgettext(message_context, singular,
plural, count)
else:
result = translation.ungettext(singular, plural, count)
vars.extend(plural_vars)
else:
if message_context:
result = translation.pgettext(message_context, singular)
else:
result = translation.ugettext(singular)
data = dict([(v, _render_value_in_context(context.get(v, ''), context)) for v in vars])
context.pop()
try:
result = result % data
except (KeyError, ValueError):
with translation.override(None):
result = self.render(context)
return result
