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# Copyright (C) 2006 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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from urlparse import urlparse
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from bzrlib.smart import protocol
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from bzrlib.urlutils import unescape
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class _SmartClient(object):
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def __init__(self, shared_medium):
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self._shared_medium = shared_medium
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def get_smart_medium(self):
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return self._shared_medium.connection
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def call(self, method, *args):
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"""Call a method on the remote server."""
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result, protocol = self.call_expecting_body(method, *args)
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protocol.cancel_read_body()
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def call_expecting_body(self, method, *args):
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"""Call a method and return the result and the protocol object.
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The body can be read like so::
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result, smart_protocol = smart_client.call_expecting_body(...)
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body = smart_protocol.read_body_bytes()
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request = self.get_smart_medium().get_request()
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smart_protocol = protocol.SmartClientRequestProtocolOne(request)
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smart_protocol.call(method, *args)
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return smart_protocol.read_response_tuple(expect_body=True), smart_protocol
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def call_with_body_bytes(self, method, args, body):
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"""Call a method on the remote server with body bytes."""
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if type(method) is not str:
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raise TypeError('method must be a byte string, not %r' % (method,))
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if type(arg) is not str:
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raise TypeError('args must be byte strings, not %r' % (args,))
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if type(body) is not str:
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raise TypeError('body must be byte string, not %r' % (body,))
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request = self.get_smart_medium().get_request()
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smart_protocol = protocol.SmartClientRequestProtocolOne(request)
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smart_protocol.call_with_body_bytes((method, ) + args, body)
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return smart_protocol.read_response_tuple()
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def remote_path_from_transport(self, transport):
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"""Convert transport into a path suitable for using in a request.
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Note that the resulting remote path doesn't encode the host name or
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anything but path, so it is only safe to use it in requests sent over
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the medium from the matching transport.
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return unescape(urlparse(transport.base)[2]).encode('utf8')
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bzrlib/smart/client.py
