Python datastructures.SortedDict方法代码示例

# 需要导入模块: from django.utils import datastructures [as 别名]
# 或者: from django.utils.datastructures import SortedDict [as 别名]
def get_fields(self):
        ret = SortedDict()

        try:
            # URI field for get pk field
            pk_field = primary_key(self.cls.__class__)

            request = self.context['request']
            ret["href"] = AlchemyUriField(
                source=pk_field,
                path=request.build_absolute_uri(request.path),
                read_only=True,
            )
        except KeyNotFoundException:
            return super(AlchemyListSerializer, self).get_fields()

        return ret 

# 需要导入模块: from django.utils import datastructures [as 别名]
# 或者: from django.utils.datastructures import SortedDict [as 别名]
def _fill_related_objects_cache(self):
        cache = SortedDict()
        parent_list = self.get_parent_list()
        for parent in self.parents:
            for obj, model in parent._meta.get_all_related_objects_with_model(include_hidden=True):
                if (obj.field.creation_counter < 0 or obj.field.rel.parent_link) and obj.model not in parent_list:
                    continue
                if not model:
                    cache[obj] = parent
                else:
                    cache[obj] = model
        # Collect also objects which are in relation to some proxy child/parent of self.
        proxy_cache = cache.copy()
        for klass in get_models(include_auto_created=True, only_installed=False):
            if not klass._meta.swapped:
                for f in klass._meta.local_fields:
                    if f.rel and not isinstance(f.rel.to, six.string_types):
                        if self == f.rel.to._meta:
                            cache[RelatedObject(f.rel.to, klass, f)] = None
                            proxy_cache[RelatedObject(f.rel.to, klass, f)] = None
                        elif self.concrete_model == f.rel.to._meta.concrete_model:
                            proxy_cache[RelatedObject(f.rel.to, klass, f)] = None
        self._related_objects_cache = cache
        self._related_objects_proxy_cache = proxy_cache 

# 需要导入模块: from django.utils import datastructures [as 别名]
# 或者: from django.utils.datastructures import SortedDict [as 别名]
def register_models(self, app_label, *models):
        """
        Register a set of models as belonging to an app.
        """
        for model in models:
            # Store as 'name: model' pair in a dictionary
            # in the app_models dictionary
            model_name = model._meta.object_name.lower()
            model_dict = self.app_models.setdefault(app_label, SortedDict())
            if model_name in model_dict:
                # The same model may be imported via different paths (e.g.
                # appname.models and project.appname.models). We use the source
                # filename as a means to detect identity.
                fname1 = os.path.abspath(upath(sys.modules[model.__module__].__file__))
                fname2 = os.path.abspath(upath(sys.modules[model_dict[model_name].__module__].__file__))
                # Since the filename extension could be .py the first time and
                # .pyc or .pyo the second time, ignore the extension when
                # comparing.
                if os.path.splitext(fname1)[0] == os.path.splitext(fname2)[0]:
                    continue
            model_dict[model_name] = model
        self._get_models_cache.clear() 

# 需要导入模块: from django.utils import datastructures [as 别名]
# 或者: from django.utils.datastructures import SortedDict [as 别名]
def bump_prefix(self, exceptions=()):
        """
        Changes the alias prefix to the next letter in the alphabet and
        relabels all the aliases. Even tables that previously had no alias will
        get an alias after this call (it's mostly used for nested queries and
        the outer query will already be using the non-aliased table name).

        Subclasses who create their own prefix should override this method to
        produce a similar result (a new prefix and relabelled aliases).

        The 'exceptions' parameter is a container that holds alias names which
        should not be changed.
        """
        current = ord(self.alias_prefix)
        assert current < ord('Z')
        prefix = chr(current + 1)
        self.alias_prefix = prefix
        change_map = SortedDict()
        for pos, alias in enumerate(self.tables):
            if alias in exceptions:
                continue
            new_alias = '%s%d' % (prefix, pos)
            change_map[alias] = new_alias
            self.tables[pos] = new_alias
        self.change_aliases(change_map) 

# 需要导入模块: from django.utils import datastructures [as 别名]
# 或者: from django.utils.datastructures import SortedDict [as 别名]
def _aggregate_select(self):
        """The SortedDict of aggregate columns that are not masked, and should
        be used in the SELECT clause.

        This result is cached for optimization purposes.
        """
        if self._aggregate_select_cache is not None:
            return self._aggregate_select_cache
        elif self.aggregate_select_mask is not None:
            self._aggregate_select_cache = SortedDict([
                (k,v) for k,v in self.aggregates.items()
                if k in self.aggregate_select_mask
            ])
            return self._aggregate_select_cache
        else:
            return self.aggregates 

# 需要导入模块: from django.utils import datastructures [as 别名]
# 或者: from django.utils.datastructures import SortedDict [as 别名]
def sort(self):
        sorted_models = []
        concrete_models = set()
        models = list(self.data)
        while len(sorted_models) < len(models):
            found = False
            for model in models:
                if model in sorted_models:
                    continue
                dependencies = self.dependencies.get(model._meta.concrete_model)
                if not (dependencies and dependencies.difference(concrete_models)):
                    sorted_models.append(model)
                    concrete_models.add(model._meta.concrete_model)
                    found = True
            if not found:
                return
        self.data = SortedDict([(model, self.data[model])
                                for model in sorted_models]) 

# 需要导入模块: from django.utils import datastructures [as 别名]
# 或者: from django.utils.datastructures import SortedDict [as 别名]
def get_actions(self):
        if self.actions is None:
            return SortedDict()

        actions = [self.get_action(action) for action in self.global_actions]

        for klass in self.admin_view.__class__.mro()[::-1]:
            class_actions = getattr(klass, 'actions', [])
            if not class_actions:
                continue
            actions.extend(
                [self.get_action(action) for action in class_actions])

        # get_action might have returned None, so filter any of those out.
        actions = filter(None, actions)

        # Convert the actions into a SortedDict keyed by name.
        actions = SortedDict([
            (name, (ac, name, desc, icon))
            for ac, name, desc, icon in actions
        ])

        return actions 

# 需要导入模块: from django.utils import datastructures [as 别名]
# 或者: from django.utils.datastructures import SortedDict [as 别名]
def get_volumes_data(self):
        volumes = self._get_volumes(search_opts={'all_tenants': True})
        instances = self._get_instances(search_opts={'all_tenants': True})
        volume_ids_with_snapshots = self._get_volumes_ids_with_snapshots(
            search_opts={'all_tenants': True})
        self._set_volume_attributes(
            volumes, instances, volume_ids_with_snapshots)

        # Gather our tenants to correlate against IDs
        try:
            tenants, has_more = keystone.tenant_list(self.request)
        except Exception:
            tenants = []
            msg = _('Unable to retrieve volume project information.')
            exceptions.handle(self.request, msg)

        tenant_dict = SortedDict([(t.id, t) for t in tenants])
        for volume in volumes:
            tenant_id = getattr(volume, "os-vol-tenant-attr:tenant_id", None)
            tenant = tenant_dict.get(tenant_id, None)
            volume.tenant_name = getattr(tenant, "name", None)

        return volumes 

# 需要导入模块: from django.utils import datastructures [as 别名]
# 或者: from django.utils.datastructures import SortedDict [as 别名]
def _get_profiles(request, type_p):
    try:
        profiles = api.neutron.profile_list(request, type_p)
    except Exception:
        profiles = []
        msg = _('Network Profiles could not be retrieved.')
        exceptions.handle(request, msg)
    if profiles:
        # Set project name
        tenant_dict = _get_tenant_list(request)
        bindings = api.neutron.profile_bindings_list(request, type_p)
        bindings_dict = datastructures.SortedDict(
            [(b.profile_id, b.tenant_id) for b in bindings])
        for p in profiles:
            project_id = bindings_dict.get(p.id)
            project = tenant_dict.get(project_id)
            p.project_name = getattr(project, 'name', None)
    return profiles 

# 需要导入模块: from django.utils import datastructures [as 别名]
# 或者: from django.utils.datastructures import SortedDict [as 别名]
def get_initial(self):
        profile = self._get_object()
        # Set project name
        tenant_dict = _get_tenant_list(self.request)
        try:
            bindings = api.neutron.profile_bindings_list(
                self.request, 'network')
        except Exception:
            msg = _('Failed to obtain network profile binding')
            redirect = self.success_url
            exceptions.handle(self.request, msg, redirect=redirect)
        bindings_dict = datastructures.SortedDict(
            [(b.profile_id, b.tenant_id) for b in bindings])
        project_id = bindings_dict.get(profile.id)
        project = tenant_dict.get(project_id)
        project_name = getattr(project, 'name', project_id)
        return {'profile_id': profile['id'],
                'name': profile['name'],
                'segment_range': profile['segment_range'],
                'segment_type': profile['segment_type'],
                'physical_network': profile['physical_network'],
                'sub_type': profile['sub_type'],
                'multicast_ip_range': profile['multicast_ip_range'],
                'project': project_name} 

# 需要导入模块: from django.utils import datastructures [as 别名]
# 或者: from django.utils.datastructures import SortedDict [as 别名]
def _get_cinder_meters_info(self):
        """Returns additional info for each meter

        That will be used for augmenting the Ceilometer meter
        """

        # TODO(lsmola) Unless the Ceilometer will provide the information
        # below, I need to define it as a static here. I will be joining this
        # to info that I am able to obtain from Ceilometer meters, hopefully
        # some day it will be supported all.
        return datastructures.SortedDict([
            ('volume', {
                'label': '',
                'description': _("Duration of volume"),
            }),
            ('volume.size', {
                'label': '',
                'description': _("Size of volume"),
            }),
        ]) 

# 需要导入模块: from django.utils import datastructures [as 别名]
# 或者: from django.utils.datastructures import SortedDict [as 别名]
def _get_kwapi_meters_info(self):
        """Returns additional info for each meter

        That will be used for augmenting the Ceilometer meter
        """

        # TODO(lsmola) Unless the Ceilometer will provide the information
        # below, I need to define it as a static here. I will be joining this
        # to info that I am able to obtain from Ceilometer meters, hopefully
        # some day it will be supported all.
        return datastructures.SortedDict([
            ('energy', {
                'label': '',
                'description': _("Amount of energy"),
            }),
            ('power', {
                'label': '',
                'description': _("Power consumption"),
            }),
        ]) 

# 需要导入模块: from django.utils import datastructures [as 别名]
# 或者: from django.utils.datastructures import SortedDict [as 别名]
def list(self, all_tenants=False, **search_opts):
        if not all_tenants:
            tenant_id = self.request.user.tenant_id
            # In Neutron, list_floatingips returns Floating IPs from
            # all tenants when the API is called with admin role, so
            # we need to filter them with tenant_id.
            search_opts['tenant_id'] = tenant_id
            port_search_opts = {'tenant_id': tenant_id}
        else:
            port_search_opts = {}
        fips = self.client.list_floatingips(**search_opts)
        fips = fips.get('floatingips')
        # Get port list to add instance_id to floating IP list
        # instance_id is stored in device_id attribute
        ports = port_list(self.request, **port_search_opts)
        port_dict = SortedDict([(p['id'], p) for p in ports])
        for fip in fips:
            self._set_instance_info(fip, port_dict.get(fip['port_id']))
        return [FloatingIp(fip) for fip in fips] 

# 需要导入模块: from django.utils import datastructures [as 别名]
# 或者: from django.utils.datastructures import SortedDict [as 别名]
def _vpnservice_list(request, expand_subnet=False, expand_router=False,
                     expand_conns=False, **kwargs):
    vpnservices = neutronclient(request).list_vpnservices(
        **kwargs).get('vpnservices')
    if expand_subnet:
        subnets = neutron.subnet_list(request)
        subnet_dict = SortedDict((s.id, s) for s in subnets)
        for s in vpnservices:
            s['subnet_name'] = subnet_dict.get(s['subnet_id']).cidr
    if expand_router:
        routers = neutron.router_list(request)
        router_dict = SortedDict((r.id, r) for r in routers)
        for s in vpnservices:
            s['router_name'] = router_dict.get(s['router_id']).name_or_id
    if expand_conns:
        ipsecsiteconns = _ipsecsiteconnection_list(request, **kwargs)
        for s in vpnservices:
            s['ipsecsiteconns'] = [c.id for c in ipsecsiteconns
                                   if c.vpnservice_id == s['id']]
    return [VPNService(v) for v in vpnservices] 

# 需要导入模块: from django.utils import datastructures [as 别名]
# 或者: from django.utils.datastructures import SortedDict [as 别名]
def _ipsecsiteconnection_list(request, expand_ikepolicies=False,
                              expand_ipsecpolicies=False,
                              expand_vpnservices=False, **kwargs):
    ipsecsiteconnections = neutronclient(request).list_ipsec_site_connections(
        **kwargs).get('ipsec_site_connections')
    if expand_ikepolicies:
        ikepolicies = _ikepolicy_list(request, **kwargs)
        policy_dict = SortedDict((p.id, p) for p in ikepolicies)
        for c in ipsecsiteconnections:
            c['ikepolicy_name'] = policy_dict.get(c['ikepolicy_id']).name_or_id
    if expand_ipsecpolicies:
        ipsecpolicies = _ipsecpolicy_list(request, **kwargs)
        policy_dict = SortedDict((p.id, p) for p in ipsecpolicies)
        for c in ipsecsiteconnections:
            c['ipsecpolicy_name'] = policy_dict.get(c['ipsecpolicy_id']
                                                    ).name_or_id
    if expand_vpnservices:
        vpnservices = _vpnservice_list(request, **kwargs)
        service_dict = SortedDict((s.id, s) for s in vpnservices)
        for c in ipsecsiteconnections:
            c['vpnservice_name'] = service_dict.get(c['vpnservice_id']
                                                    ).name_or_id
    return [IPSecSiteConnection(v) for v in ipsecsiteconnections]