I get the same problem. Another symptom is that "import System" fails if you don't AddReference first. never needed to do that for IPy 1.1 and don't need to either when running ipy 2.0.
It fails with my hosting code, and also reproduces with the "hello world" hosting sample: http://blogs.msdn.com/seshadripv/archive/2008/09/11/dlr-hosting-sample-simple-dlr-host-using-the-new-app-config-based-scriptruntime-creation.aspx The only changes I made to the sample were 1) delete ruby configuration from App.config and the line of code that builds a ruby engine (I don't have the assemblies for ruby) 2) change the line defining the source code to: ScriptSource source = pyEng.CreateScriptSourceFromString(@"import System", SourceCodeKind.Statements); 3) remove the code that gets the "output" variable from pyEng (since we don't produce it) like I said, this fails with "No module named System". If you add a clr.AddReference("System"), then import works, but dir() seems to only show namespaces and not types, so import System.DateTime will fail. I'm now looking at sources for IronPythonConsole to see what the difference is, but if someone knows what I'm doing wrong, please tell... thanks Ronnie On Sun, Sep 21, 2008 at 8:31 AM, Serge R <[EMAIL PROTECTED]> wrote: > I am migrating from 1.1 and have been unable to import System.Math class. I > took a look at what's actually been imported > > clr.AddReference("System") > import System > print dir(System) > > On IP2 I got a small list that didn't contain Math or many other classes. > Am I referencing something wrong? > > IP2 List: > ['CodeDom', 'Collections', 'ComponentModel', 'Configuration', > 'Diagnostics', 'FileStyleUriParser', 'FtpStyleUriParser', > 'GenericUriParser', 'GenericUriParserOptions', 'GopherStyleUriParser', > 'HttpStyleUriParser', 'IO', 'LdapStyleUriParser', 'Media', 'Net', > 'NetPipeStyleUriParser', 'NetTcpStyleUriParser', 'NewsStyleUriParser', > 'Runtime', 'Security', 'Text', 'Threading', 'Timers', 'Uri', 'UriBuilder', > 'UriComponents', 'UriFormat', 'UriFormatException', 'UriHostNameType', > 'UriIdnScope', 'UriKind', 'UriParser', 'UriPartial', 'UriTypeConverter', > 'Web'] > > IP1 List: > ['AccessViolationException', 'Action', 'ActivationContext', 'Activator', > 'AppDomain', 'AppDomainInitializer', 'AppDomainManager', > 'AppDomainManagerInitializationOptions', 'AppDomainSetup', > 'AppDomainUnloadedException', 'ApplicationException', 'ApplicationId', > 'ApplicationIdentity', 'ArgIterator', 'ArgumentException', > 'ArgumentNullException', 'ArgumentOutOfRangeException', > 'ArithmeticException', 'Array', 'ArraySegment', > 'ArrayTypeMismatchException', 'AssemblyLoadEventArgs', > 'AssemblyLoadEventHandler', 'AsyncCallback', 'Attribute', > 'AttributeTargets', 'AttributeUsageAttribute', 'BadImageFormatException', > 'Base64FormattingOptions', 'BitConverter', 'Boolean', 'Buffer', 'Byte', > 'CLSCompliantAttribute', 'CannotUnloadAppDomainException', 'Char', > 'CharEnumerator', 'CodeDom', 'Collections', 'Comparison', 'ComponentModel', > 'Configuration', 'Console', 'ConsoleCancelEventArgs', > 'ConsoleCancelEventHandler', 'ConsoleColor', 'ConsoleKey', 'ConsoleKeyInfo', > 'ConsoleModifiers', 'ConsoleSpecialKey', 'ContextBoundObject', > 'ContextMarshalException', 'ContextStaticAttribute', 'Convert', 'Converter', > 'CrossAppDomainDelegate', 'DBNull', 'DataMisalignedException', 'DateTime', > 'DateTimeKind', 'DateTimeOffset', 'DayOfWeek', 'Decimal', 'Delegate', > 'Deployment', 'Diagnostics', 'DivideByZeroException', > 'DllNotFoundException', 'Double', 'DuplicateWaitObjectException', > 'EntryPointNotFoundException', 'Enum', 'Environment', > 'EnvironmentVariableTarget', 'EventArgs', 'EventHandler', 'Exception', > 'ExecutionEngineException', 'FieldAccessException', 'FileStyleUriParser', > 'FlagsAttribute', 'FormatException', 'FtpStyleUriParser', 'GC', > 'GCCollectionMode', 'GenericUriParser', 'GenericUriParserOptions', > 'Globalization', 'GopherStyleUriParser', 'Guid', 'HttpStyleUriParser', > 'IAppDomainSetup', 'IAsyncResult', 'ICloneable', 'IComparable', > 'IConvertible', 'ICustomFormatter', 'IDisposable', 'IEquatable', > 'IFormatProvider', 'IFormattable', 'IO', 'IServiceProvider', > 'IndexOutOfRangeException', 'InsufficientMemoryException', 'Int16', 'Int32', > 'Int64', 'IntPtr', 'InvalidCastException', 'InvalidOperationException', > 'InvalidProgramException', 'LdapStyleUriParser', 'LoaderOptimization', > 'LoaderOptimizationAttribute', 'LocalDataStoreSlot', 'MTAThreadAttribute', > 'MarshalByRefObject', 'Math', 'Media', 'MemberAccessException', > 'MethodAccessException', 'MidpointRounding', 'MissingFieldException', > 'MissingMemberException', 'MissingMethodException', 'ModuleHandle', > 'MulticastDelegate', 'MulticastNotSupportedException', 'Net', > 'NetPipeStyleUriParser', 'NetTcpStyleUriParser', 'NewsStyleUriParser', > 'NonSerializedAttribute', 'NotFiniteNumberException', > 'NotImplementedException', 'NotSupportedException', > 'NullReferenceException', 'Nullable', 'Object', 'ObjectDisposedException', > 'ObsoleteAttribute', 'OperatingSystem', 'OperationCanceledException', > 'OutOfMemoryException', 'OverflowException', 'ParamArrayAttribute', > 'PlatformID', 'PlatformNotSupportedException', 'Predicate', 'Random', > 'RankException', 'Reflection', 'ResolveEventArgs', 'ResolveEventHandler', > 'Resources', 'Runtime', 'RuntimeArgumentHandle', 'RuntimeFieldHandle', > 'RuntimeMethodHandle', 'RuntimeTypeHandle', 'SByte', 'STAThreadAttribute', > 'Security', 'SerializableAttribute', 'Single', 'StackOverflowException', > 'String', 'StringComparer', 'StringComparison', 'StringSplitOptions', > 'SystemException', 'Text', 'ThreadStaticAttribute', 'Threading', 'TimeSpan', > 'TimeZone', 'TimeoutException', 'Timers', 'Type', 'TypeCode', > 'TypeInitializationException', 'TypeLoadException', 'TypeUnloadedException', > 'TypedReference', 'UInt16', 'UInt32', 'UInt64', 'UIntPtr', > 'UnauthorizedAccessException', 'UnhandledExceptionEventArgs', > 'UnhandledExceptionEventHandler', 'Uri', 'UriBuilder', 'UriComponents', > 'UriFormat', 'UriFormatException', 'UriHostNameType', 'UriIdnScope', > 'UriKind', 'UriParser', 'UriPartial', 'UriTypeConverter', 'ValueType', > 'Version', 'Void', 'WeakReference', 'Web', '_AppDomain', '__builtins__', > '__dict__', 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