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bzrlib/transport/__init__.py
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        # should be asked to ConnectedTransport only.
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        return None
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    def _redirected_to(self, source, target):
 
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        """Returns a transport suitable to re-issue a redirected request.
 
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        :param source: The source url as returned by the server.
 
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        :param target: The target url as returned by the server.
 
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        The redirection can be handled only if the relpath involved is not
 
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        renamed by the redirection.
 
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        :returns: A transport or None.
 
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        """
 
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        # This returns None by default, meaning the transport can't handle the
 
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        # redirection.
 
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        return None
 
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class _SharedConnection(object):
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    """A connection shared between several transports."""
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                 help="Read-only access of branches exported on the web.")
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register_transport_proto('https://',
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            help="Read-only access of branches exported on the web using SSL.")
 
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# The default http implementation is urllib, but https is pycurl if available
 
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register_lazy_transport('http://', 'bzrlib.transport.http._pycurl',
 
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                        'PyCurlTransport')
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register_lazy_transport('http://', 'bzrlib.transport.http._urllib',
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                        'HttpTransport_urllib')
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register_lazy_transport('https://', 'bzrlib.transport.http._urllib',
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                        'HttpTransport_urllib')
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register_lazy_transport('http://', 'bzrlib.transport.http._pycurl',
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                        'PyCurlTransport')
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register_lazy_transport('https://', 'bzrlib.transport.http._pycurl',
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                        'PyCurlTransport')
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