Revision 2715ade4 snf-pithos-backend/pithos/backends/lib/hashfiler/context_file.py

b/snf-pithos-backend/pithos/backends/lib/hashfiler/context_file.py
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# Copyright 2011-2012 GRNET S.A. All rights reserved.
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# 
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#
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# Redistribution and use in source and binary forms, with or
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# without modification, are permitted provided that the following
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# conditions are met:
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# 
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#
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#   1. Redistributions of source code must retain the above
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#      copyright notice, this list of conditions and the following
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#      disclaimer.
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# 
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#
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#   2. Redistributions in binary form must reproduce the above
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#      copyright notice, this list of conditions and the following
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#      disclaimer in the documentation and/or other materials
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#      provided with the distribution.
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# 
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#
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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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# 
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#
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# The views and conclusions contained in the software and
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# documentation are those of the authors and should not be
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# interpreted as representing official policies, either expressed
......
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    for chunk in chunks:
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        if padding:
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            if seek:
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                seek(padding -1, SEEK_CUR)
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                seek(padding - 1, SEEK_CUR)
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                fwrite("\x00")
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            else:
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                fwrite(buffer(zeros(chunksize), 0, padding))
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            #if self.dirty:
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            #    fsync(fdesc.fileno())
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            fdesc.close()
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        return False # propagate exceptions
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        return False  # propagate exceptions
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    def seek(self, offset, whence=SEEK_SET):
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        return self.fdesc.seek(offset, whence)
......
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    def sync_read_chunks(self, chunksize, nr, offset=0):
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        return file_sync_read_chunks(self.fdesc, chunksize, nr, offset)
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