~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2006 Canonical Ltd

#

# This program is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

from urlparse import urlparse

from bzrlib.smart import protocol

from bzrlib.urlutils import unescape

class SmartClient(object):

    def __init__(self, medium):

        self._medium = medium

    def call(self, method, *args):

        """Call a method on the remote server."""

        result, protocol = self.call2(method, *args)

        protocol.cancel_read_body()

        return result

    def call2(self, method, *args):

        """Call a method and return the result and the protocol object."""

        request = self._medium.get_request()

        smart_protocol = protocol.SmartClientRequestProtocolOne(request)

        smart_protocol.call(method, *args)

        return smart_protocol.read_response_tuple(expect_body=True), smart_protocol

    def call_with_body_bytes(self, method, args, body):

        """Call a method on the remote server with body bytes."""

        if type(method) is not str:

            raise TypeError('method must be a byte string, not %r' % (method,))

        for arg in args:

            if type(arg) is not str:

                raise TypeError('args must be byte strings, not %r' % (args,))

        if type(body) is not str:

            raise TypeError('body must be byte string, not %r' % (body,))

        request = self._medium.get_request()

        smart_protocol = protocol.SmartClientRequestProtocolOne(request)

        smart_protocol.call_with_body_bytes((method, ) + args, body)

        return smart_protocol.read_response_tuple()

    def remote_path_from_transport(self, transport):

        """Convert transport into a path suitable for using in a request."""

        return unescape(urlparse(transport.base)[2]).encode('utf8')