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# Copyright 2011-2012 GRNET S.A. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or
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# without modification, are permitted provided that the following
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# conditions are met:
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#
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#   1. Redistributions of source code must retain the above
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#      copyright notice, this list of conditions and the following
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#      disclaimer.
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#
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#   2. Redistributions in binary form must reproduce the above
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#      copyright notice, this list of conditions and the following
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#      disclaimer in the documentation and/or other materials
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#      provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and
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# documentation are those of the authors and should not be
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# interpreted as representing official policies, either expressed
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# or implied, of GRNET S.A.
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from astakos.im.api.spec import AstakosAPI
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from astakos.im.api.backends import get_backend
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from synnefo.lib.commissioning import CorruptedError
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from django.db import transaction
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class AstakosCallpoint():
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    api_spec = AstakosAPI()
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#     http_exc_lookup = {
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#         CorruptedError:   550,
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#         InvalidDataError: 400,
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#         InvalidKeyError:  401,
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#         NoEntityError:    404,
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#         NoQuantityError:  413,
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#         NoCapacityError:  413,
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#     }
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    def init_connection(self, connection):
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        if connection is not None:
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            raise ValueError("Cannot specify connection args with %s" %
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                             type(self).__name__)
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        pass
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    def commit(self):
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        transaction.commit()
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    def rollback(self):
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        transaction.rollback()
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    def do_make_call(self, call_name, data):
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        call_fn = getattr(self, call_name, None)
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        if not call_fn:
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            m = "cannot find call '%s'" % (call_name,)
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            raise CorruptedError(m)
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        return call_fn(**data)
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    def create_users(self, users=()):
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        b = get_backend()
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        rejected = (b.create_user(**u) for u in users)
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        return rejected
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    def update_users(self, users=()):
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        b = get_backend()
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        rejected = (b.update_user(**u) for u in users)
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        return rejected
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    def add_user_policies(self, user_id, update=False, policies=()):
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        b = get_backend()
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        rejected = b.add_policies(user_id, update, policies)
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        return rejected
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    def remove_user_policies(self, user_id, policies=()):
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        b = get_backend()
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        rejected = b.remove_policies(user_id, policies)
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        return rejected
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    def add_user_permissions(self, user_id, permissions=()):
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        b = get_backend()
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        rejected = b.add_permissions(user_id, permissions)
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        return rejected
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    def remove_user_permissions(self, user_id, permissions=()):
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        b = get_backend()
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        rejected = b.remove_permissions(user_id, permissions)
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        return rejected
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    def invite_users(self, sender_id, recipients=()):
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        b = get_backend()
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        rejected = b.invite_users(sender_id, recipients)
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        return rejected
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    def list_users(self, filter=()):
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        b = get_backend()
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        return b.list_users(filter)
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    def get_user_usage(self, user_id):
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        b = get_backend()
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        return b.get_resource_usage(user_id)
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    def list_resources(self, filter=()):
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        b = get_backend()
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        return b.list_resources(filter)
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    def add_services(self, services=()):
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        b = get_backend()
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        rejected = (b.create_service(**s) for s in services)
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        return rejected
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    def update_services(self, services=()):
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        b = get_backend()
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        rejected = (b.update_service(**s) for s in services)
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        return rejected
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    def remove_services(self, ids=()):
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        b = get_backend()
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        rejected = b.remove_services(ids)
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        return rejected
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    def add_resources(self, service_id, update=False, resources=()):
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        b = get_backend()
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        rejected = b.add_resources(service_id, update, resources)
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        return rejected
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    def remove_resources(self, service_id, ids=()):
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        b = get_backend()
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        rejected = b.remove_resources(service_id, ids)
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        return rejected
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#     def create_groups(self, groups=()):
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#         b = get_backend()
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#         rejected = (b.create_group(**g) for g in groups)
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#         return rejected
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API_Callpoint = AstakosCallpoint