def render(self, context):
tz_name = settings.DEFAULT_TZ
if self.tz_var is None:
user = Variable('user').resolve(context)
if user.is_authenticated():
tz_name = user.profile.time_zone
else:
tz_name = self.tz_var.resolve(context)
dt = self.var_name.resolve(context)
utc = pytz.timezone('UTC')
tz = pytz.timezone(tz_name)
dt = utc.localize(dt)
dt = dt.astimezone(tz)
return dt.strftime(settings.TIME_FORMATS[self.fmt_name])
