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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def is_cache_entry(path):
 """Returns `True` if ``path`` can be represented as a cache entry In practice this just tests whether the input is |LIGO-T050017|_ compliant. Parameters path : `str`, :class:`lal.utils.CacheEntry` The input to test Returns ------- isentry : `bool` `True` if ``path`` is an instance of `CacheEntry`, or can be parsed using |LIGO-T050017|_. """

    if HAS_CACHEENTRY and isinstance(path, CacheEntry):
        return True
    try:
        file_segment(path)
    except (ValueError, TypeError, AttributeError):
        return False
    return True