debug.py 文件源码

def render(self, context):
        try:
            output = self.filter_expression.resolve(context)
            output = template_localtime(output, use_tz=context.use_tz)
            output = localize(output, use_l10n=context.use_l10n)
            output = force_text(output)
        except UnicodeDecodeError:
            return ''
        except Exception as e:
            if not hasattr(e, 'django_template_source'):
                e.django_template_source = self.source
            raise
        if (context.autoescape and not isinstance(output, SafeData)) or isinstance(output, EscapeData):
            return conditional_escape(output)
        else:
            return output