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Viewing changes to bzrlib/smart/repository.py

  • Committer: Andrew Bennetts
  • Date: 2010-09-02 00:49:06 UTC
  • mto: This revision was merged to the branch mainline in revision 5408.
  • Revision ID: andrew.bennetts@canonical.com-20100902004906-yezw3oexov6qzsno
Use StringIO rather than real files on disk for log files in tests.

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bzrlib/smart/repository.py
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    SuccessfulSmartServerResponse,
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    )
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from bzrlib.repository import _strip_NULL_ghosts, network_format_registry
 
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from bzrlib.recordcounter import RecordCounter
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from bzrlib import revision as _mod_revision
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from bzrlib.versionedfile import (
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    NetworkRecordStream,
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        if token == '':
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            token = None
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        try:
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            token = repository.lock_write(token=token)
 
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            token = repository.lock_write(token=token).repository_token
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        except errors.LockContention, e:
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            return FailedSmartServerResponse(('LockContention',))
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        except errors.UnlockableTransport:
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    :ivar first_bytes: The first bytes to give the next NetworkRecordStream.
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    """
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    def __init__(self, byte_stream):
 
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    def __init__(self, byte_stream, record_counter):
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        """Create a _ByteStreamDecoder."""
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        self.stream_decoder = pack.ContainerPushParser()
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        self.current_type = None
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        self.first_bytes = None
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        self.byte_stream = byte_stream
 
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        self._record_counter = record_counter
 
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        self.key_count = 0
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    def iter_stream_decoder(self):
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        """Iterate the contents of the pack from stream_decoder."""
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    def record_stream(self):
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        """Yield substream_type, substream from the byte stream."""
 
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        def wrap_and_count(pb, rc, substream):
 
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            """Yield records from stream while showing progress."""
 
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            counter = 0
 
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            if rc:
 
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                if self.current_type != 'revisions' and self.key_count != 0:
 
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                    # As we know the number of revisions now (in self.key_count)
 
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                    # we can setup and use record_counter (rc).
 
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                    if not rc.is_initialized():
 
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                        rc.setup(self.key_count, self.key_count)
 
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            for record in substream.read():
 
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                if rc:
 
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                    if rc.is_initialized() and counter == rc.STEP:
 
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                        rc.increment(counter)
 
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                        pb.update('Estimate', rc.current, rc.max)
 
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                        counter = 0
 
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                    if self.current_type == 'revisions':
 
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                        # Total records is proportional to number of revs
 
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                        # to fetch. With remote, we used self.key_count to
 
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                        # track the number of revs. Once we have the revs
 
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                        # counts in self.key_count, the progress bar changes
 
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                        # from 'Estimating..' to 'Estimate' above.
 
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                        self.key_count += 1
 
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                        if counter == rc.STEP:
 
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                            pb.update('Estimating..', self.key_count)
 
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                            counter = 0
 
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                counter += 1
 
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                yield record
 
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        self.seed_state()
 
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        pb = ui.ui_factory.nested_progress_bar()
 
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        rc = self._record_counter
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        # Make and consume sub generators, one per substream type:
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        while self.first_bytes is not None:
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            substream = NetworkRecordStream(self.iter_substream_bytes())
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            # after substream is fully consumed, self.current_type is set to
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            # the next type, and self.first_bytes is set to the matching bytes.
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            yield self.current_type, substream.read()
 
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            yield self.current_type, wrap_and_count(pb, rc, substream)
 
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        if rc:
 
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            pb.update('Done', rc.max, rc.max)
 
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        pb.finished()
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    def seed_state(self):
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        """Prepare the _ByteStreamDecoder to decode from the pack stream."""
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        list(self.iter_substream_bytes())
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def _byte_stream_to_stream(byte_stream):
 
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def _byte_stream_to_stream(byte_stream, record_counter=None):
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    """Convert a byte stream into a format and a stream.
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    :param byte_stream: A bytes iterator, as output by _stream_to_byte_stream.
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    :return: (RepositoryFormat, stream_generator)
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    """
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    decoder = _ByteStreamDecoder(byte_stream)
 
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    decoder = _ByteStreamDecoder(byte_stream, record_counter)
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    for bytes in byte_stream:
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        decoder.stream_decoder.accept_bytes(bytes)
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        for record in decoder.stream_decoder.read_pending_records(max=1):