0b495c550d
Yaql's standard system function 'call' was not working properly in MuranoPL because murano relies on object-specific context containing definitions of the methods of appropriate class. This patch adds a MuranoPL-specific override of this function which creates an appropriate method-invocation AST and executes it. This will invoke regular muranoPl's override of operator_. thus causing all the appropriate type and object contexts to be created for the call. Closes-bug: #1595174 Change-Id: If3e98a60063b0843c317fa565616c8d88f9e497c
262 lines
9.1 KiB
Python
262 lines
9.1 KiB
Python
# Copyright (c) 2014 Mirantis, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import eventlet
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import six
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from yaql.language import expressions
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from yaql.language import specs
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from yaql.language import utils
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from yaql.language import yaqltypes
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from murano.dsl import constants
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from murano.dsl import dsl
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from murano.dsl import dsl_types
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from murano.dsl import helpers
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from murano.dsl import reflection
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@specs.parameter('object_', dsl.MuranoObjectParameter())
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def id_(object_):
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return object_.id
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@specs.parameter('object_', dsl.MuranoObjectParameter())
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@specs.parameter('type__', dsl.MuranoTypeParameter())
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@specs.parameter('version_spec', yaqltypes.String(True))
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def cast(context, object_, type__, version_spec=None):
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return helpers.cast(
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object_, type__.type.name,
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version_spec or helpers.get_type(context))
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@specs.parameter('__type_name', dsl.MuranoTypeParameter())
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@specs.parameter('__extra', utils.MappingType)
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@specs.parameter('__owner', dsl.MuranoObjectParameter(
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nullable=True, decorate=False))
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@specs.parameter('__object_name', yaqltypes.String(True))
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def new(__context, __type_name, __owner=None, __object_name=None, __extra=None,
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**parameters):
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object_store = helpers.get_object_store(__context)
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executor = helpers.get_executor(__context)
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new_context = __context.create_child_context()
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for key, value in six.iteritems(parameters):
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if utils.is_keyword(key):
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new_context[key] = value
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return __type_name.type.new(
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__owner, object_store, executor, name=__object_name)(
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new_context, **parameters)
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@specs.parameter('type_name', dsl.MuranoTypeParameter())
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@specs.parameter('parameters', utils.MappingType)
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@specs.parameter('extra', utils.MappingType)
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@specs.parameter('owner', dsl.MuranoObjectParameter(nullable=True))
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@specs.parameter('object_name', yaqltypes.String(True))
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@specs.name('new')
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def new_from_dict(type_name, context, parameters,
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owner=None, object_name=None, extra=None):
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return new(context, type_name, owner, object_name, extra,
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**utils.filter_parameters_dict(parameters))
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@specs.parameter('object_', dsl.MuranoObjectParameter(decorate=False))
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@specs.parameter('func', yaqltypes.Lambda())
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def super_(context, object_, func=None):
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cast_type = helpers.get_type(context)
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if func is None:
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return [object_.cast(type) for type in cast_type.parents(
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object_.real_this.type)]
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return six.moves.map(func, super_(context, object_))
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@specs.parameter('object_', dsl.MuranoObjectParameter(decorate=False))
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@specs.parameter('func', yaqltypes.Lambda())
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def psuper(context, object_, func=None):
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if func is None:
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return super_(context, object_)
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return helpers.parallel_select(super_(context, object_), func)
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@specs.extension_method
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def require(value):
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if value is None:
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raise ValueError('Required value is missing')
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return value
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@specs.parameter('obj', dsl.MuranoObjectParameter())
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@specs.parameter('murano_class_ref', dsl.MuranoTypeParameter())
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@specs.extension_method
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def find(obj, murano_class_ref):
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return obj.find_owner(murano_class_ref, optional=True)
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@specs.parameter('seconds', yaqltypes.Number())
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def sleep_(seconds):
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eventlet.sleep(seconds)
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@specs.parameter('object_', dsl.MuranoObjectParameter(nullable=True))
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def type_(object_):
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return None if object_ is None else object_.type.get_reference()
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@specs.name('type')
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@specs.parameter('object_', dsl.MuranoObjectParameter(nullable=True))
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def type_legacy(object_):
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return None if object_ is None else object_.type.name
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@specs.name('type')
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@specs.parameter('cls', dsl.MuranoTypeParameter())
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def type_from_name(cls):
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return cls
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@specs.parameter('object_', dsl.MuranoObjectParameter(nullable=True))
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def typeinfo(object_):
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return None if object_ is None else object_.type
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@specs.parameter('cls', dsl.MuranoTypeParameter())
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@specs.name('typeinfo')
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def typeinfo_for_class(cls):
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return cls.type
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@specs.parameter('object_', dsl.MuranoObjectParameter(nullable=True))
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def name(object_):
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return None if object_ is None else object_.name
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@specs.parameter('obj', dsl.MuranoObjectParameter(decorate=False))
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@specs.parameter('property_name', yaqltypes.Keyword())
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@specs.name('#operator_.')
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def obj_attribution(context, obj, property_name):
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return obj.get_property(property_name, context)
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@specs.parameter('cls', dsl_types.MuranoTypeReference)
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@specs.parameter('property_name', yaqltypes.Keyword())
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@specs.name('#operator_.')
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def obj_attribution_static(context, cls, property_name):
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return cls.type.get_property(property_name, context)
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@specs.parameter('receiver', dsl.MuranoObjectParameter(decorate=False))
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@specs.parameter('expr', yaqltypes.Lambda(method=True))
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@specs.inject('operator', yaqltypes.Super(with_context=True))
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@specs.name('#operator_.')
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def op_dot(context, receiver, expr, operator):
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executor = helpers.get_executor(context)
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type_context = executor.context_manager.create_type_context(receiver.type)
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obj_context = executor.context_manager.create_object_context(receiver)
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ctx2 = helpers.link_contexts(
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helpers.link_contexts(context, type_context),
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obj_context)
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return operator(ctx2, receiver, expr)
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@specs.parameter('receiver', dsl_types.MuranoTypeReference)
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@specs.parameter('expr', yaqltypes.Lambda(method=True))
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@specs.inject('operator', yaqltypes.Super(with_context=True))
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@specs.name('#operator_.')
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def op_dot_static(context, receiver, expr, operator):
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executor = helpers.get_executor(context)
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type_context = executor.context_manager.create_type_context(
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receiver.type)
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ctx2 = helpers.link_contexts(context, type_context)
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return operator(ctx2, receiver, expr)
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@specs.parameter('prefix', yaqltypes.Keyword())
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@specs.parameter('name', yaqltypes.Keyword())
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@specs.name('#operator_:')
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def ns_resolve(context, prefix, name):
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return helpers.get_class(prefix + ':' + name, context).get_reference()
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@specs.parameter('name', yaqltypes.Keyword())
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@specs.name('#unary_operator_:')
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def ns_resolve_unary(context, name):
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return ns_resolve(context, '', name)
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@specs.parameter('obj', dsl.MuranoObjectParameter(nullable=True))
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@specs.parameter('type_', dsl.MuranoTypeParameter())
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@specs.name('#operator_is')
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def is_instance_of(obj, type_):
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if obj is None:
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return False
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return type_.type.is_compatible(obj)
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@specs.name('call')
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@specs.parameter('name', yaqltypes.String())
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@specs.parameter('args', yaqltypes.Sequence())
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@specs.parameter('kwargs', utils.MappingType)
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@specs.inject('op_dot', yaqltypes.Delegate('#operator_.', with_context=True))
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@specs.inject('base', yaqltypes.Super(with_context=True))
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def call_func(context, op_dot, base, name, args, kwargs,
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receiver=utils.NO_VALUE):
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if isinstance(receiver, (dsl_types.MuranoObject,
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dsl_types.MuranoTypeReference)):
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kwargs = utils.filter_parameters_dict(kwargs)
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args += tuple(
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expressions.MappingRuleExpression(expressions.KeywordConstant(key),
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value)
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for key, value in six.iteritems(kwargs))
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function = expressions.Function(name, *args)
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return op_dot(context, receiver, function)
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else:
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return base(context, name, args, kwargs, receiver)
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def register(context, runtime_version):
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context.register_function(cast)
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context.register_function(new)
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context.register_function(new_from_dict)
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context.register_function(id_)
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context.register_function(super_)
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context.register_function(psuper)
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context.register_function(require)
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context.register_function(find)
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context.register_function(sleep_)
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context.register_function(typeinfo)
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context.register_function(typeinfo_for_class)
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context.register_function(name)
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context.register_function(obj_attribution)
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context.register_function(obj_attribution_static)
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context.register_function(op_dot)
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context.register_function(op_dot_static)
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context.register_function(ns_resolve)
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context.register_function(ns_resolve_unary)
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reflection.register(context)
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context.register_function(is_instance_of)
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if runtime_version <= constants.RUNTIME_VERSION_1_3:
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context.register_function(type_legacy)
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else:
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context.register_function(type_)
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context.register_function(call_func)
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if runtime_version <= constants.RUNTIME_VERSION_1_1:
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context = context.create_child_context()
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for t in ('id', 'cast', 'super', 'psuper', 'type'):
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for spec in utils.to_extension_method(t, context):
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context.register_function(spec)
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context.register_function(type_from_name)
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return context
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