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Viewing changes to groupcompress.py

  • Committer: John Arbash Meinel
  • Date: 2009-03-04 18:20:42 UTC
  • mto: (0.17.34 trunk)
  • mto: This revision was merged to the branch mainline in revision 4280.
  • Revision ID: john@arbash-meinel.com-20090304182042-yo1m7n2i2bpdldfl
We at least have the rudimentary ability to encode and decode values.

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Lines of Context:
groupcompress.py
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        if bytes[:6] != cls.GCB_HEADER:
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            raise gc_errors.InvalidGroupCompressBlock(
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                'bytes did not start with %r' % (cls.GCB_HEADER,))
 
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        pos = bytes.index('\n', 6)
 
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        total_header_length = int(bytes[6:pos])
 
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        if total_header_length == 0:
 
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            return out
 
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        pos += 1
 
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        header_bytes = bytes[pos:total_header_length+pos]
 
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        lines = header_bytes.split('\n')
 
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        info_dict = {}
 
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        for line in lines:
 
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            if not line: #End of record
 
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                if not info_dict:
 
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                    break
 
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                out.add_entry(**info_dict)
 
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                info_dict = {}
 
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                continue
 
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            key, value = line.split(':', 1)
 
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            if key == 'key':
 
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                value = tuple(map(intern, value.split('\x00')))
 
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            elif key in ('start', 'length'):
 
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                value = int(value)
 
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            info_dict[key] = value
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        return out
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    def extract(self, key, sha1=None):
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        for key in sorted(self._entries):
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            entry = self._entries[key]
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            chunk = ('key:%s\n'
 
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                     'sha1:%s\n'
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                     'type:%s\n'
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                     'sha1:%s\n'
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                     'start:%s\n'
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                     'length:%s\n'
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                     '\n'
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                     ) % ('\x00'.join(entry.key),
 
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                          entry.sha1,
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                          entry.type,
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                          entry.sha1,
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                          entry.start,
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                          entry.length,
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                          )