moved a bunch of garbage (things that have nothing to do in root) to _trash
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# Copyright 2009-2017 Wander Lairson Costa
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# Copyright 2009-2021 PyUSB contributors
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# 3. Neither the name of the copyright holder nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# All the hacks necessary to assure compatibility across all
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# supported versions come here.
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# Please, note that there is one version check for each
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# hack we need to do, this makes maintenance easier... ^^
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import sys
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import array
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import usb.util as util
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__all__ = []
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# we support Python >= 3.9
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assert sys.hexversion >= 0x030900f0
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def as_array(data_or_length=None):
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"""Convert loosely specified `data_or_length` to a byte array.
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The following types of `data_or_length` are supported:
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- an `array('B')` value (no-op, returns it back);
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- the `None` value (returns an new empty array);
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- an integer length (returns a new array with the specified size);
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- lists or iterables of small enough integers;
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- strings.
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"""
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if isinstance(data_or_length, array.array) and data_or_length.typecode == 'B':
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return data_or_length
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if isinstance(data_or_length, str):
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return array.array('B', data_or_length.encode('utf-8'))
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if data_or_length is None:
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return array.array('B')
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try:
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return util.create_buffer(data_or_length)
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except TypeError:
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return array.array('B', data_or_length)
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