Class ReturnLogger

src/structlog/testing.py:103–128

Return the arguments that it's called with. >>> from structlog import ReturnLogger >>> ReturnLogger().info("hello") 'hello' >>> ReturnLogger().info("hello", when="again") (('hello',), {'when': 'again'}) .. versionchanged:: 0.3.0 Allow for arbitrary arguments an

class ReturnLogger:
    """
    Return the arguments that it's called with.

    >>> from structlog import ReturnLogger
    >>> ReturnLogger().info("hello")
    'hello'
    >>> ReturnLogger().info("hello", when="again")
    (('hello',), {'when': 'again'})

    .. versionchanged:: 0.3.0
        Allow for arbitrary arguments and keyword arguments to be passed in.
    """

    def msg(self, *args: Any, **kw: Any) -> Any:
        """
        Return tuple of ``args, kw`` or just ``args[0]`` if only one arg passed
        """
        # Slightly convoluted for backwards compatibility.
        if len(args) == 1 and not kw:
            return args[0]

        return args, kw

    log = debug = info = warn = warning = msg
    fatal = failure = err = error = critical = exception = msg


class ReturnLoggerFactory: