webserver.py 文件源码

def __call__(self, environ, start_response):
        app = self.wrapped

        request = Request(environ, charset='utf-8')

        self.exception = None
        self.traceback = None
        try:
            to_return = b''
            for i in app(environ, start_response):
                to_return += i 
        except:
            to_return = b''
            (_, self.exception, self.traceback) = sys.exc_info()
            traceback_html = six.text_type(traceback.format_exc())
            for i in HTTPInternalServerError(content_type=ascii_as_bytes_or_str('text/plain'), charset=ascii_as_bytes_or_str('utf-8'), unicode_body=traceback_html)(environ, start_response):
                to_return += i
        yield to_return