public IronPythonComposablePartDefinition(IronPythonTypeWrapper typeWrapper, 
            IEnumerable<Type> exports,
            IEnumerable<KeyValuePair<string, IronPythonImportDefinition>> imports)
        {
            _typeWrapper = typeWrapper;
            _exports = new List<ExportDefinition>(exports.Count());
            _imports = new Dictionary<string, ImportDefinition>(imports.Count());
            foreach (var export in exports)
            {
                var metadata = new Dictionary<string, object>()
                                   {
                                       {"ExportTypeIdentity", AttributedModelServices.GetTypeIdentity(export)}
                                   };

                var contractName = AttributedModelServices.GetContractName(export);
                _exports.Add(new ExportDefinition(contractName, metadata));
            }
            foreach (var import in imports)
            {
                var contractName = AttributedModelServices.GetContractName(import.Value.Type);
                var metadata = new Dictionary<string, Type>();

                _imports[import.Key] = new IronPythonContractBasedImportDefinition(
                    import.Key,
                    contractName,
                    AttributedModelServices.GetTypeIdentity(import.Value.Type),
                    metadata.ToList(),
                    import.Value.Cardinality, import.Value.IsRecomposable, import.Value.IsPrerequisite,
                    CreationPolicy.Any);
            }
        }
 public IronPythonComposablePart(IronPythonTypeWrapper typeWrapper, IList<ExportDefinition> exports, IList<ImportDefinition> imports)
 {
     _typeWrapper = typeWrapper;
     _exports = exports;
     _imports = imports;
     _instance = typeWrapper.Activator();
 }