.. autoclass:: Filenames
- .. automethod:: Filenames.__len__
+ .. method:: Filenames.__len__
+ .. warning::
+ :meth:`__len__` was removed in version 0.22 as it exhausted the
+ iterator and broke list(Filenames()). Use `len(list(names))`
+ instead.
:class:`Directoy` -- A directory entry in the database
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