How to use hierarchy_properties method in Lemoncheesecake

Best Python code snippet using lemoncheesecake

templates.py

Source:templates.py

1import abc2import textwrap3from simphony_metaparser.flags import NoDefault4from simphony_metaparser.utils import with_cuba_prefix, \5    cuba_key_to_property_name, without_cuba_prefix6from simphony_metatools import utils7class File(object):8    def __init__(self):9        self.imports = set()10        self.classes = []11        self.methods = []12    def render(self, out, indent_level=0):13        imports = set(self.imports)14        for cls in self.classes:15            for imp in cls.import_required():16                imports.add(imp)17        for imp in imports:18            imp.render(out, indent_level)19        for cls in self.classes:20            cls.render(out, indent_level)21        for meth in self.methods:22            meth.render(out, indent_level)23class ShortcutImport(object):24    IMPORT_PATHS = {25        'CUBA': 'from simphony.core.cuba import CUBA',26        'DataContainer': 'from simphony.core.data_container import DataContainer',  # noqa27        'create_data_container': 'from simphony.core.data_container import create_data_container',  # noqa28        'KEYWORDS': 'from simphony.core.keywords import KEYWORDS',29        'validation': 'from simphony.cuds import meta_validation',30        'uuid': 'import uuid',31        'Default': 'from simphony.core import Default  # noqa'32    }33    def __init__(self, module_shortcut):34        self.module_shortcut = module_shortcut35    def render(self, out, indent_level=0):36        out.write(37            utils.indent(38                self._render_import(),39                indent_level40            )+'\n'41        )42    def _render_import(self):43        return self.IMPORT_PATHS[self.module_shortcut]44    def __hash__(self):45        return hash(self._render_import())46    def __eq__(self, other):47        return hash(other) == hash(self)48class MetaClassImport(object):49    def __init__(self, meta_class_name):50        self.meta_class_name = meta_class_name51    def render(self, out, indent_level=0):52        out.write(53            utils.indent(54                self._render_import(),55                indent_level56            ) + '\n'57        )58    def _render_import(self):59        return "from .{meta_class_module_name} import {meta_class_name}".format(  # noqa60                    meta_class_module_name=utils.meta_class_name_to_module_name(  # noqa61                        self.meta_class_name62                    ),63                    meta_class_name=self.meta_class_name64                )65    def __hash__(self):66        return hash(self._render_import())67    def __eq__(self, other):68        return hash(other) == hash(self)69class Class(object):70    def __init__(self,71                 class_name,72                 cuba_key,73                 parent_class_name,74                 hierarchy_properties,75                 docstring=""):76        self.class_name = class_name77        self.cuba_key = cuba_key78        self.parent_class_name = parent_class_name79        self.hierarchy_properties = hierarchy_properties80        self.docstring = docstring81        self.methods = []82        self.properties = []83    def import_required(self):84        required = [ShortcutImport("Default")]85        if self.parent_class_name is not None:86            required += [87                MetaClassImport(self.parent_class_name)88            ]89        return required + sum(90            (prop.import_required() for prop in self.properties),91            [])92    def render(self, out, indent_level=0):93        parent_class_name = (self.parent_class_name94                             if self.parent_class_name is not None95                             else "object")96        s = "class {class_name}({parent_class_name}):\n".format(97            class_name=self.class_name,98            parent_class_name=parent_class_name,99        )100        s += utils.indent(utils.format_docstring(self.docstring))+'\n'101        s += utils.indent("cuba_key = {qualified_cuba_key}\n".format(102            qualified_cuba_key=with_cuba_prefix(self.cuba_key)))103        out.write(utils.indent(s, indent_level))104        out.write(utils.indent(self._render_init_method(),105                               indent_level+1))106        out.write(utils.indent(self._render_supported_parameters(),107                               indent_level+1))108        for method in self.methods:109            method.render(out, indent_level=indent_level+1)110        for prop in self.properties:111            prop.render(out, indent_level=indent_level+1)112    def _render_init_method(self):113        # We have various types of properties.114        # with/without default = optional/mandatory115        # reimplemented/not reimplemented.116        # We need to take care of the combinations117        # so that the init is well behaved118        mandatory, optional, pass_down = self._compute_init_args_info()119        init_args = []120        super_init_args = []121        for arg in mandatory:122            init_args.append("{}".format(arg))123        for arg in optional:124            init_args.append("{}=Default".format(arg))125        for arg in pass_down:126            super_init_args.append("{}={}".format(arg, arg))127        s = textwrap.dedent("""def __init__({init_args_str}):""".format(128            init_args_str=", ".join(init_args))+'\n'129        )130        s += utils.indent(textwrap.dedent("""super({class_name}, self).__init__({super_init_args_str})""".format(  # noqa131                class_name=self.class_name,132                super_init_args_str=", ".join(super_init_args))133        ))+'\n'134        for prop in self.properties:135            if prop.reimplemented:136                continue137            if isinstance(prop, VariableProperty):138                s += utils.indent(139                    textwrap.dedent(140                        """self._init_{prop_name}({prop_name})""".format(  # noqa141                            prop_name=prop.name)))+'\n'142            else:143                s += utils.indent(144                    textwrap.dedent(145                        """self._init_{prop_name}()""".format(146                            prop_name=prop.name)))+'\n'147        return s148    def _compute_init_args_info(self):149        hierarchy_mandatory = []150        hierarchy_optional = []151        pass_down = []152        for prop_group in self.hierarchy_properties:153            for prop in sorted(154                    [p for p in prop_group if isinstance(p, VariableProperty)],155                    key=lambda x: x.name):156                if (prop.name in hierarchy_mandatory or157                        prop.name in hierarchy_optional):158                    continue159                if prop.default is NoDefault:160                    hierarchy_mandatory.append(prop.name)161                else:162                    hierarchy_optional.append(prop.name)163                pass_down.append(prop.name)164        cur_class_mandatory = []165        cur_class_optional = []166        for prop in sorted(167                [p for p in self.properties168                 if isinstance(p, VariableProperty)],169                key=lambda x: x.name):170            if (prop.name in hierarchy_mandatory and171                    prop.default is not NoDefault):172                # A property that was mandatory now has a default.173                hierarchy_mandatory.remove(prop.name)174                cur_class_optional.append(prop.name)175            elif (prop.name in hierarchy_optional and176                  prop.default is NoDefault):177                # A property that was optional has been reimplemented178                # without default179                hierarchy_optional.remove(prop.name)180                cur_class_mandatory.append(prop.name)181            else:182                if prop.default is NoDefault:183                    cur_class_mandatory.append(prop.name)184                else:185                    cur_class_optional.append(prop.name)186        return (['self'] +187                utils.deduplicate(cur_class_mandatory + hierarchy_mandatory),188                utils.deduplicate(cur_class_optional + hierarchy_optional),189                utils.deduplicate(pass_down))190    def _render_supported_parameters(self):191        params = []192        for prop in self.properties:193            if isinstance(prop, VariableProperty):194                params.append(prop.source_key)195            elif isinstance(prop, UIDProperty):196                params.append("CUBA.UID")197        s = textwrap.dedent("""198            @classmethod199            def supported_parameters(cls):200                try:201                    base_params = super(202                        {class_name},203                        cls).supported_parameters()204                except AttributeError:205                    base_params = ()206                return tuple(set(({params}) + base_params))207                """.format(208                    class_name=self.class_name,209                    params="".join([p+", " for p in params]))210        )211        return s212class MetaAPIMethods(object):213    """These methods go only in the base class (whose parent is empty)"""214    def render(self, out, indent_level=0):215        out.write(216            utils.indent(textwrap.dedent(217                """218                @classmethod219                def parents(cls):220                    return tuple(221                        c.cuba_key222                        for c in cls.__mro__[1:]223                        if hasattr(c, "cuba_key"))224                """),225                indent_level)226        )227class ABCProperty(object):228    """Describes a template for a generic python property.229    It's an abstract class. Derived classes must reimplement the230    appropriate methods for rendering"""231    __metaclass__ = abc.ABCMeta232    def __init__(self, name, default=NoDefault, docstring=""):233        self.name = name234        self.default = default235        self.docstring = docstring236    @abc.abstractmethod237    def import_required(self):238        """Must return the import required to make the property work,239        as a list of ShortcutImport or MetaClassImport"""240    @abc.abstractmethod241    def _render_init(self):242        """Renders the initialization routine. This is called243        by the class __init__ method.244        Must return a string containing the rendered data."""245    @abc.abstractmethod246    def _render_setter(self):247        """Renders the setter method.248        Must return a string containing the rendered data."""249    @abc.abstractmethod250    def _render_getter(self):251        """Renders the getter method.252        Must return a string containing the rendered data.253        """254    @abc.abstractmethod255    def _render_validation(self):256        """Renders the validation method.257        Must return a string containing the rendered data.258        """259    @abc.abstractmethod260    def _render_default(self):261        """Renders a routine that returns the appropriate default.262        Must return a string containing the rendered data.263        """264        pass265    def render(self, out, indent_level=0):266        """Triggers the rendering267        out: file-like268            Where to write the rendering269        indent_level: int270            used to indent the rendering of a given level amount.271        """272        s = self._render_init()273        s += self._render_getter()274        s += self._render_setter()275        s += self._render_validation()276        s += self._render_default()277        out.write(utils.indent(s, indent_level))278class FixedProperty(ABCProperty):279    """Describes a fixed property template."""280    def __init__(self, source_key, default, reimplemented):281        """Defines a fixed property"""282        super(FixedProperty, self).__init__(source_key, default)283        # This is the original name as it comes from the ontology tree.284        # the template "property name" is the actual name that goes in the285        # python code.286        self.source_key = source_key287        # True if the property is reimplemented on the base class, hence288        # its rendering must keep this into account for appropriate289        # initialization290        self.reimplemented = reimplemented291    def _render_init(self):292        if self.reimplemented:293            return ""294        return textwrap.dedent("""295        def _init_{name}(self):296            self._{name} = self._default_{name}()  # noqa297            """).format(298            name=self.name)299    def _render_default(self):300        return textwrap.dedent("""301        def _default_{name}(self):302            return {default}  # noqa303        """).format(name=self.name,304                    default=utils.quoted_if_string(self.default))305    def _render_setter(self):306        return ""307    def _render_validation(self):308        return ""309    def _render_getter(self):310        if self.reimplemented:311            return ""312        return textwrap.dedent("""313            @property314            def {name}(self):315                return self._{name}316        """).format(name=self.name)317    def import_required(self):318        imp = []319        return imp320class VariableProperty(ABCProperty):321    """Describes a variable (CUBA) property template."""322    def import_required(self):323        imp = [ShortcutImport("Default")]324        imp += [ShortcutImport("validation")]325        if utils.is_cuba_key(self.default):326            imp.append(327                MetaClassImport(328                    meta_class_name=utils.cuba_key_to_meta_class_name(329                        self.default)330                )331            )332        elif isinstance(self.default, (list, tuple)):333            default = '{}'.format(self.default)334            if 'CUBA.' in default:335                for elem in self.default:336                    if utils.is_cuba_key(elem):337                        imp.append(338                            MetaClassImport(339                                meta_class_name=utils.cuba_key_to_meta_class_name(elem)))  # noqa340        return imp341    def __init__(self, qual_cuba_key, default, shape, reimplemented):342        if shape is None:343            raise ValueError("shape cannot be None")344        self.source_key = qual_cuba_key345        prop_name = cuba_key_to_property_name(qual_cuba_key)346        super(VariableProperty, self).__init__(347            name=prop_name,348            default=default)349        self.shape = shape350        self.reimplemented = reimplemented351    def _render_init(self):352        return textwrap.dedent("""353        def _init_{name}(self, value):354            if value is Default:355                value = self._default_{name}()356            self.{name} = value357        """).format(name=self.name)358    def _render_setter(self):359        return textwrap.dedent("""360            @{prop_name}.setter361            def {prop_name}(self, value):362                value = self._validate_{prop_name}(value)363                self.data[{qual_cuba_key}] = value364        """).format(365            prop_name=self.name,366            qual_cuba_key=self.source_key)367    def _render_getter(self):368        return textwrap.dedent("""369            @property370            def {prop_name}(self):371                return self.data[{qual_cuba_key}]372        """).format(373            prop_name=self.name,374            qual_cuba_key=self.source_key)375    def _render_validation(self):376        cuba_key = without_cuba_prefix(self.source_key)377        if self.shape == [1]:378            return textwrap.dedent("""379            def _validate_{prop_name}(self, value):380                value = meta_validation.cast_data_type(value, '{cuba_key}')381                meta_validation.check_valid_shape(value, {shape}, '{cuba_key}')382                meta_validation.validate_cuba_keyword(value, '{cuba_key}')383                return value384            """.format(prop_name=self.name,385                       cuba_key=cuba_key,386                       shape=self.shape))387        else:388            return textwrap.dedent("""389            def _validate_{prop_name}(self, value):390                value = meta_validation.cast_data_type(value, '{cuba_key}')391                meta_validation.check_valid_shape(value, {shape}, '{cuba_key}')392                meta_validation.check_elements(value, {shape}, '{cuba_key}')393                return value394            """.format(prop_name=self.name,395                       cuba_key=cuba_key,396                       shape=self.shape))397    def _render_default(self):398        if self.default == NoDefault:399            return textwrap.dedent("""400            def _default_{name}(self):401                raise TypeError("No default for {name}")402            """).format(name=self.name)403        if utils.is_cuba_key(self.default):404            default = utils.cuba_key_to_instantiation(self.default)405        elif isinstance(self.default, (list, tuple)):406            default = '{}'.format(self.default)407            if 'CUBA.' in default:408                elements = []409                for elem in self.default:410                    if utils.is_cuba_key(elem):411                        elem = utils.cuba_key_to_instantiation(elem)412                    elements.append(elem)413                default = '[' + ", ".join(elements) + ']'414        else:415            default = utils.quoted_if_string(self.default)416        return textwrap.dedent("""417        def _default_{name}(self):418            return {default}419        """).format(name=self.name,420                    default=default)421class DataProperty(FixedProperty):422    """Special data property is handled slightly different.423    It is a fixed property, but the value does not come from424    a hardcoded value in its default."""425    def __init__(self):426        super(DataProperty, self).__init__("data", None, False)427        self.source_key = "data"428    def import_required(self):429        return [ShortcutImport("DataContainer")]430    def _render_getter(self):431        return textwrap.dedent("""432            @property433            def data(self):434                return self._data435        """)436    def _render_setter(self):437        return textwrap.dedent("""438            @data.setter439            def data(self, new_data):440                self._data = DataContainer(new_data)441        """)442    def _render_init(self):443        return textwrap.dedent("""444            def _init_data(self):445                self._data = DataContainer()446        """)447    def _render_validation(self):448        return ""449    def _render_default(self):450        return ""451class UIDProperty(FixedProperty):452    """Special property that handles the special case of CUBA.UID.453    It behaves like a fixed property, but it has a CUBA qualified key.454    """455    def __init__(self):456        super(UIDProperty, self).__init__("uid", None, False)457        self.source_key = "uid"458    def import_required(self):459        return [ShortcutImport('uuid')]460    def _render_init(self):461        return textwrap.dedent("""462            def _init_uid(self):463                self.data[CUBA.UID] = uuid.uuid4()464        """)465    def _render_getter(self):466        return textwrap.dedent("""467            @property468            def uid(self):469                return self.data[CUBA.UID]470        """)471    def _render_setter(self):472        return ""473    def _render_validation(self):474        return ""475    def _render_default(self):...

HierarchyService.py

Source:HierarchyService.py

1# -*- coding: utf-8 -*-2import json3from typing import Dict, Tuple, List, Optional4from requests import Response5from TM1py.Objects import Hierarchy, Element, ElementAttribute6from TM1py.Services.ElementService import ElementService7from TM1py.Services.ObjectService import ObjectService8from TM1py.Services.RestService import RestService9from TM1py.Services.SubsetService import SubsetService10from TM1py.Utils.Utils import case_and_space_insensitive_equals, format_url11class HierarchyService(ObjectService):12    """ Service to handle Object Updates for TM1 Hierarchies13    14    """15    # Tuple with TM1 Versions where Edges need to be created through TI, due to bug:16    # https://www.ibm.com/developerworks/community/forums/html/topic?id=75f2b99e-6961-4c71-9364-1d5e1e083eff17    EDGES_WORKAROUND_VERSIONS = ('11.0.002', '11.0.003', '11.1.000')18    def __init__(self, rest: RestService):19        super().__init__(rest)20        self.subsets = SubsetService(rest)21        self.elements = ElementService(rest)22    def create(self, hierarchy: Hierarchy, **kwargs):23        """ Create a hierarchy in an existing dimension24        :param hierarchy:25        :return:26        """27        url = format_url("/api/v1/Dimensions('{}')/Hierarchies", hierarchy.dimension_name)28        response = self._rest.POST(url, hierarchy.body, **kwargs)29        return response30    def get(self, dimension_name: str, hierarchy_name: str, **kwargs):31        """ get hierarchy32        :param dimension_name: name of the dimension33        :param hierarchy_name: name of the hierarchy34        :return:35        """36        url = format_url(37            "/api/v1/Dimensions('{}')/Hierarchies('{}')?$expand=Edges,Elements,ElementAttributes,Subsets,DefaultMember",38            dimension_name,39            hierarchy_name)40        response = self._rest.GET(url, **kwargs)41        return Hierarchy.from_dict(response.json())42    def get_all_names(self, dimension_name: str, **kwargs):43        """ get all names of existing Hierarchies in a dimension44        :param dimension_name:45        :return:46        """47        url = format_url("/api/v1/Dimensions('{}')/Hierarchies?$select=Name", dimension_name)48        response = self._rest.GET(url, **kwargs)49        return [hierarchy["Name"] for hierarchy in response.json()["value"]]50    def update(self, hierarchy: Hierarchy, **kwargs) -> List[Response]:51        """ update a hierarchy. It's a two step process: 52        1. Update Hierarchy53        2. Update Element-Attributes54        Function caters for Bug with Edge Creation:55        https://www.ibm.com/developerworks/community/forums/html/topic?id=75f2b99e-6961-4c71-9364-1d5e1e083eff56        :param hierarchy: instance of TM1py.Hierarchy57        :return: list of responses58        """59        # functions returns multiple responses60        responses = list()61        # 1. Update Hierarchy62        url = format_url("/api/v1/Dimensions('{}')/Hierarchies('{}')", hierarchy.dimension_name, hierarchy.name)63        # Workaround EDGES: Handle Issue, that Edges cant be created in one batch with the Hierarchy in certain versions64        hierarchy_body = hierarchy.body_as_dict65        if self.version[0:8] in self.EDGES_WORKAROUND_VERSIONS:66            del hierarchy_body["Edges"]67        responses.append(self._rest.PATCH(url, json.dumps(hierarchy_body), **kwargs))68        # 2. Update Attributes69        responses.append(self.update_element_attributes(hierarchy=hierarchy, **kwargs))70        # Workaround EDGES71        if self.version[0:8] in self.EDGES_WORKAROUND_VERSIONS:72            from TM1py.Services import ProcessService73            process_service = ProcessService(self._rest)74            ti_function = "HierarchyElementComponentAdd('{}', '{}', '{}', '{}', {});"75            ti_statements = [ti_function.format(hierarchy.dimension_name, hierarchy.name,76                                                edge[0],77                                                edge[1],78                                                hierarchy.edges[(edge[0], edge[1])])79                             for edge80                             in hierarchy.edges]81            responses.append(process_service.execute_ti_code(lines_prolog=ti_statements, **kwargs))82        return responses83    def exists(self, dimension_name: str, hierarchy_name: str, **kwargs) -> bool:84        """85        :param dimension_name: 86        :param hierarchy_name: 87        :return: 88        """89        url = format_url("/api/v1/Dimensions('{}')/Hierarchies('{}')", dimension_name, hierarchy_name)90        return self._exists(url, **kwargs)91    def delete(self, dimension_name: str, hierarchy_name: str, **kwargs) -> Response:92        url = format_url("/api/v1/Dimensions('{}')/Hierarchies('{}')", dimension_name, hierarchy_name)93        return self._rest.DELETE(url, **kwargs)94    def get_hierarchy_summary(self, dimension_name: str, hierarchy_name: str, **kwargs) -> Dict[str, int]:95        hierarchy_properties = ("Elements", "Edges", "ElementAttributes", "Members", "Levels")96        url = format_url(97            "/api/v1/Dimensions('{}')/Hierarchies('{}')?$expand=Edges/$count,Elements/$count,"98            "ElementAttributes/$count,Members/$count,Levels/$count&$select=Cardinality",99            dimension_name,100            hierarchy_name)101        hierary_summary_raw = self._rest.GET(url, **kwargs).json()102        return {hierarchy_property: hierary_summary_raw[hierarchy_property + "@odata.count"]103                for hierarchy_property104                in hierarchy_properties}105    def update_element_attributes(self, hierarchy: Hierarchy, **kwargs):106        """ Update the elementattributes of a hierarchy107        :param hierarchy: Instance of TM1py.Hierarchy108        :return:109        """110        # get existing attributes first111        element_attributes = self.elements.get_element_attributes(112            dimension_name=hierarchy.dimension_name,113            hierarchy_name=hierarchy.name,114            **kwargs)115        element_attribute_names = [ea.name for ea in element_attributes]116        # write ElementAttributes that don't already exist117        for element_attribute in hierarchy.element_attributes:118            if element_attribute not in element_attribute_names:119                self.elements.create_element_attribute(120                    dimension_name=hierarchy.dimension_name,121                    hierarchy_name=hierarchy.name,122                    element_attribute=element_attribute,123                    **kwargs)124        # delete attributes that are determined to be removed125        for element_attribute in element_attribute_names:126            if element_attribute not in hierarchy.element_attributes:127                self.elements.delete_element_attribute(128                    dimension_name=hierarchy.dimension_name,129                    hierarchy_name=hierarchy.name,130                    element_attribute=element_attribute,131                    **kwargs)132    def get_default_member(self, dimension_name: str, hierarchy_name: str = None, **kwargs) -> Optional[str]:133        """ Get the defined default_member for a Hierarchy.134        Will return the element with index 1, if default member is not specified explicitly in }HierarchyProperty Cube135        :param dimension_name:136        :param hierarchy_name:137        :return: String, name of Member138        """139        url = format_url(140            "/api/v1/Dimensions('{dimension}')/Hierarchies('{hierarchy}')/DefaultMember",141            dimension=dimension_name,142            hierarchy=hierarchy_name if hierarchy_name else dimension_name)143        response = self._rest.GET(url=url, **kwargs)144        if not response.text:145            return None146        return response.json()["Name"]147    def update_default_member(self, dimension_name: str, hierarchy_name: str = None, member_name: str = "",148                              **kwargs) -> Response:149        """ Update the default member of a hierarchy.150        Currently implemented through TI, since TM1 API does not supports default member updates yet.151        :param dimension_name:152        :param hierarchy_name:153        :param member_name:154        :return:155        """156        from TM1py import ProcessService, CellService157        if hierarchy_name and not case_and_space_insensitive_equals(dimension_name, hierarchy_name):158            dimension = "{}:{}".format(dimension_name, hierarchy_name)159        else:160            dimension = dimension_name161        cells = {(dimension, 'hierarchy0', 'defaultMember'): member_name}162        CellService(self._rest).write_values(163            cube_name="}HierarchyProperties",164            cellset_as_dict=cells,165            dimensions=('}Dimensions', '}Hierarchies', '}HierarchyProperties'),166            **kwargs)167        return ProcessService(self._rest).execute_ti_code(168            lines_prolog=format_url("RefreshMdxHierarchy('{}');", dimension_name),169            **kwargs)170    def remove_all_edges(self, dimension_name: str, hierarchy_name: str = None, **kwargs) -> Response:171        if not hierarchy_name:172            hierarchy_name = dimension_name173        url = format_url("/api/v1/Dimensions('{}')/Hierarchies('{}')", dimension_name, hierarchy_name)174        body = {175            "Edges": []176        }177        return self._rest.PATCH(url=url, data=json.dumps(body), **kwargs)178    def remove_edges_under_consolidation(self, dimension_name: str, hierarchy_name: str,179                                         consolidation_element: str, **kwargs) -> List[Response]:180        """181        :param dimension_name: Name of the dimension182        :param hierarchy_name: Name of the hierarchy183        :param consolidation_element: Name of the Consolidated element184        :return: response185        """186        hierarchy = self.get(dimension_name, hierarchy_name)187        from TM1py.Services import ElementService188        element_service = ElementService(self._rest)189        elements_under_consolidations = element_service.get_members_under_consolidation(dimension_name, hierarchy_name,190                                                                                        consolidation_element)191        elements_under_consolidations.append(consolidation_element)192        remove_edges = []193        for (parent, component) in hierarchy.edges:194            if parent in elements_under_consolidations and component in elements_under_consolidations:195                remove_edges.append((parent, component))196        hierarchy.remove_edges(remove_edges)197        return self.update(hierarchy, **kwargs)198    def add_edges(self, dimension_name: str, hierarchy_name: str = None, edges: Dict[Tuple[str, str], int] = None,199                  **kwargs) -> Response:200        """ Add Edges to hierarchy. Fails if one edge already exists.201        :param dimension_name:202        :param hierarchy_name:203        :param edges:204        :return:205        """206        return self.elements.add_edges(dimension_name, hierarchy_name, edges, **kwargs)207    def add_elements(self, dimension_name: str, hierarchy_name: str, elements: List[Element], **kwargs):208        """ Add elements to hierarchy. Fails if one element already exists.209        :param dimension_name:210        :param hierarchy_name:211        :param elements:212        :return:213        """214        return self.elements.add_elements(dimension_name, hierarchy_name, elements, **kwargs)215    def add_element_attributes(self, dimension_name: str, hierarchy_name: str,216                               element_attributes: List[ElementAttribute], **kwargs):217        """ Add element attributes to hierarchy. Fails if one element attribute already exists.218        :param dimension_name:219        :param hierarchy_name:220        :param element_attributes:221        :return:222        """223        return self.elements.add_element_attributes(dimension_name, hierarchy_name, element_attributes, **kwargs)224    def is_balanced(self, dimension_name: str, hierarchy_name: str, **kwargs):225        """ Check if hierarchy is balanced226        :param dimension_name:227        :param hierarchy_name:228        :return:229        """230        url = format_url(231            "/api/v1/Dimensions('{}')/Hierarchies('{}')/Structure/$value",232            dimension_name,233            hierarchy_name)234        structure = int(self._rest.GET(url, **kwargs).text)235        # 0 = balanced, 2 = unbalanced236        if structure == 0:237            return True238        elif structure == 2:239            return False240        else:...

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