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편집 파일: _itertools.cpython-312.pyc
� �Q�f� � � � dd�Z y )Nc � � t | � }t ||� } t |� }dj ||� }|xs t |� �# t $ r Y |S w xY w)a( If *iterable* has only one item, return it. If it has zero items, return *default*. If it has more than one item, raise the exception given by *too_long*, which is ``ValueError`` by default. >>> only([], default='missing') 'missing' >>> only([1]) 1 >>> only([1, 2]) # doctest: +IGNORE_EXCEPTION_DETAIL Traceback (most recent call last): ... ValueError: Expected exactly one item in iterable, but got 1, 2, and perhaps more.' >>> only([1, 2], too_long=TypeError) # doctest: +IGNORE_EXCEPTION_DETAIL Traceback (most recent call last): ... TypeError Note that :func:`only` attempts to advance *iterable* twice to ensure there is only one item. See :func:`spy` or :func:`peekable` to check iterable contents less destructively. zLExpected exactly one item in iterable, but got {!r}, {!r}, and perhaps more.)�iter�next�format� ValueError� StopIteration)�iterable�default�too_long�it� first_value� second_value�msgs �E/opt/alt/python312/lib64/python3.12/importlib/resources/_itertools.py�onlyr sj � �, �h� �B��r�7�#�K� *��B�x� � � &��{�L� A� � �)�*�S�/�)�� � � � �� �s � A � A�A)NN)r � � r �<module>r s ��$r