← Back to branch summary

~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/chunk_writer.py

  • Committer: Vincent Ladeuil
  • Date: 2011-07-06 09:22:00 UTC
  • mfrom: (6008 +trunk)
  • mto: (6012.1.1 trunk)
  • mto: This revision was merged to the branch mainline in revision 6013.
  • Revision ID: v.ladeuil+lp@free.fr-20110706092200-7iai2mwzc0sqdsvf
Merging in trunk

Show diffs side-by-side

added added

removed removed

Lines of Context:
bzrlib/chunk_writer.py
122
122
        bytes that did not fit in the chunk.
123
123
 
124
124
        :return: (compressed_bytes, unused_bytes, num_nulls_needed)
125
 
            compressed_bytes    a list of bytes that were output from the
126
 
                                compressor. If the compressed length was not
127
 
                                exactly chunk_size, the final string will be a
128
 
                                string of all null bytes to pad this to
129
 
                                chunk_size
130
 
            unused_bytes        None, or the last bytes that were added, which
131
 
                                we could not fit.
132
 
            num_nulls_needed    How many nulls are padded at the end
 
125
 
 
126
            * compressed_bytes: a list of bytes that were output from the
 
127
              compressor. If the compressed length was not exactly chunk_size,
 
128
              the final string will be a string of all null bytes to pad this
 
129
              to chunk_size
 
130
            * unused_bytes: None, or the last bytes that were added, which we
 
131
              could not fit.
 
132
            * num_nulls_needed: How many nulls are padded at the end
133
133
        """
134
134
        self.bytes_in = None # Free the data cached so far, we don't need it
135
135
        out = self.compressor.flush(Z_FINISH)
164
164
        :param extra_bytes: Optional, if supplied we will add it with
165
165
            Z_SYNC_FLUSH
166
166
        :return: (bytes_out, bytes_out_len, alt_compressed)
167
 
            bytes_out   is the compressed bytes returned from the compressor
168
 
            bytes_out_len the length of the compressed output
169
 
            compressor  An object with everything packed in so far, and
170
 
                        Z_SYNC_FLUSH called.
 
167
 
 
168
            * bytes_out: is the compressed bytes returned from the compressor
 
169
            * bytes_out_len: the length of the compressed output
 
170
            * compressor: An object with everything packed in so far, and
 
171
              Z_SYNC_FLUSH called.
171
172
        """
172
173
        compressor = zlib.compressobj()
173
174
        bytes_out = []