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Merge lp:bzr.

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bzrlib/transport/http/__init__.py
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from __future__ import absolute_import
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from cStringIO import StringIO
 
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import os
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import re
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import urlparse
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import sys
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        :param relpath: The relative path to the file
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        """
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        code, response_file = self._get(relpath, None)
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        # FIXME: some callers want an iterable... One step forward, three steps
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        # backwards :-/ And not only an iterable, but an iterable that can be
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        # seeked backwards, so we will never be able to do that.  One such
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        # known client is bzrlib.bundle.serializer.v4.get_bundle_reader. At the
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        # time of this writing it's even the only known client -- vila20071203
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        return StringIO(response_file.read())
 
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        return response_file
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    def _get(self, relpath, ranges, tail_amount=0):
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        """Get a file, or part of a file.
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                    # Split the received chunk
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                    for offset, size in cur_coal.ranges:
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                        start = cur_coal.start + offset
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                        rfile.seek(start, 0)
 
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                        rfile.seek(start, os.SEEK_SET)
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                        data = rfile.read(size)
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                        data_len = len(data)
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                        if data_len != size: