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  • Committer: Martin Pool
  • Date: 2011-05-20 14:46:02 UTC
  • mto: This revision was merged to the branch mainline in revision 5923.
  • Revision ID: mbp@canonical.com-20110520144602-bqli0t6dj01gl0pv
Various pyflakes import fixes.

Some modules were used for subclassing or at module load time, so there is no
point loading them lazily.

Some were not imported when they should be.

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bzrlib/chunk_writer.py
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        bytes that did not fit in the chunk.
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        :return: (compressed_bytes, unused_bytes, num_nulls_needed)
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            compressed_bytes    a list of bytes that were output from the
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                                compressor. If the compressed length was not
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                                exactly chunk_size, the final string will be a
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                                string of all null bytes to pad this to
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                                chunk_size
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            unused_bytes        None, or the last bytes that were added, which
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                                we could not fit.
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            num_nulls_needed    How many nulls are padded at the end
 
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            * compressed_bytes: a list of bytes that were output from the
 
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              compressor. If the compressed length was not exactly chunk_size,
 
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              the final string will be a string of all null bytes to pad this
 
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              to chunk_size
 
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            * unused_bytes: None, or the last bytes that were added, which we
 
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              could not fit.
 
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            * num_nulls_needed: How many nulls are padded at the end
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        """
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        self.bytes_in = None # Free the data cached so far, we don't need it
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        out = self.compressor.flush(Z_FINISH)
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        :param extra_bytes: Optional, if supplied we will add it with
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            Z_SYNC_FLUSH
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        :return: (bytes_out, bytes_out_len, alt_compressed)
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            bytes_out   is the compressed bytes returned from the compressor
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            bytes_out_len the length of the compressed output
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            compressor  An object with everything packed in so far, and
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                        Z_SYNC_FLUSH called.
 
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            * bytes_out: is the compressed bytes returned from the compressor
 
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            * bytes_out_len: the length of the compressed output
 
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            * compressor: An object with everything packed in so far, and
 
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              Z_SYNC_FLUSH called.
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        """
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        compressor = zlib.compressobj()
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        bytes_out = []