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    pyudev.core
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    Core types and functions of :mod:`pyudev`.

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    A filtered iterable of devices.

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        If ``nomatch`` is ``True`` (default is ``False``), the match is
        inverted:  A device is include if the ``attribute`` does *not* match
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        .. note::

           If ``nomatch`` is ``True``, devices which do not have the given
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        Include only devices, which are initialized.

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        Return the instance again.

        .. seealso:: :attr:`Device.is_initialized`

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        Include all devices on the subtree of the given ``parent`` device.

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