Smells like a bug, because this should work. Can you open an issue ( https://ironpython.codeplex.com/WorkItem/Create) with a minimal test case that reproduces it?
- Jeff On Fri, Jul 11, 2014 at 11:58 AM, Andrew Stephens < andrew.steph...@nu-ins.com> wrote: > In C# I’m loading and compiling a script like this:- > > > > _engine = Python.CreateEngine(); > > _scope = _engine.CreateScope(); > > > > _scriptSource = _engine.CreateScriptSourceFromFile(filename, > Encoding.UTF7, SourceCodeKind.Statements); > > _compiledScript = _scriptSource.Compile(); > > > > (At some point in time my application will run the script by calling > _compiledScript.Execute(_scope).) > > > > I’ve also got a FileSystemWatcher watching the script file. When the file > changes I recreate the ScriptSource and compile, basically executing those > last two lines again. When I do this, _scriptSource.Compile() throws an > ArgumentException (“Invalid argument valueParameter name: start”). The > stack trace is below. It works if I re-create **everything** – the > engine, scope, script source, compile, but this seems a bit a wasteful. Am > I missing something? > > > > Stack trace:- > > at Microsoft.Scripting.Utils.ContractUtils.Requires(Boolean > precondition, String paramName) > > at Microsoft.Scripting.SourceUnit.GetCodeLines(Int32 start, Int32 count) > > at Microsoft.Scripting.SourceUnit.GetCodeLine(Int32 line) > > at Microsoft.Scripting.SyntaxErrorException..ctor(String message, > SourceUnit sourceUnit, SourceSpan span, Int32 errorCode, Severity severity) > > at Microsoft.Scripting.Hosting.ErrorListenerProxySink.Add(SourceUnit > sourceUnit, String message, SourceSpan span, Int32 errorCode, Severity > severity) > > at IronPython.Compiler.Parser.CreateParserWorker(CompilerContext > context, PythonOptions options, Boolean verbatim) > > at IronPython.Compiler.Parser.CreateParser(CompilerContext context, > PythonOptions options) > > at IronPython.Runtime.PythonContext.ParseAndBindAst(CompilerContext > context) > > at IronPython.Runtime.PythonContext.CompilePythonCode(SourceUnit > sourceUnit, CompilerOptions options, ErrorSink errorSink) > > at IronPython.Runtime.PythonContext.CompileSourceCode(SourceUnit > sourceUnit, CompilerOptions options, ErrorSink errorSink) > > at Microsoft.Scripting.SourceUnit.Compile(CompilerOptions options, > ErrorSink errorSink) > > at Microsoft.Scripting.SourceUnit.Compile(ErrorSink errorSink) > > at > Microsoft.Scripting.Hosting.ScriptSource.CompileInternal(CompilerOptions > compilerOptions, ErrorListener errorListener) > > at Microsoft.Scripting.Hosting.ScriptSource.Compile() > > > > > > Andrew Stephens > > Senior Software Engineer > > Nu Instruments Ltd > > > > Email: Andrew.Stephens@nu-ins.comTel: +44 (0) 1978 661304Fax: +44 (0) > 1978 664301Web:www.nu-ins.com > > > > > > *Nu Instruments Ltd* > Unit 74 Clywedog Road South > Wrexham Industrial Estate > Wrexham LL13 9XS > United Kingdom > > *Disclaimer* > > This message is confidential and may contain privileged information and is > protected by copyright. If you are not the intended recipient you should > not copy or disclose this message to anyone but should kindly notify the > sender and delete the message. Opinions, conclusions and other information > in this message which do not relate to the official business of Nu > Instruments Ltd shall be understood as neither given nor endorsed by it. No > contracts shall be concluded by means of this email. Neither the Company > nor the sender accepts any responsibility or liability for any loss or > damage arising from the presence of any computer virus or similar harmful > code contained in this email or attachment/s. It is your responsibility to > scan this email and any attachments. The Company reserves the right to > access and disclose all messages sent over its email system. > > Nu Instruments Ltd is registered in England, No.: 3046042. Registered > Office: Seacourt Tower, West Way, Oxford OX2 0FB. VAT No.: GB 616 3733 45 > > > _______________________________________________ > Ironpython-users mailing list > Ironpython-users@python.org > https://mail.python.org/mailman/listinfo/ironpython-users > >
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