I copied Wenguang Yang (@yagweb), who developed PyScope.
Steve, did you look at the unit tests for PyScope?
Thanks,
Denis
On Mon, Sep 24, 2018 at 8:28 AM Luke, Steve <steve.l...@moldev.com> wrote:
> I am new to Python.Net and trying to convert an application that used
> IronPython to embed a Python environment into a .Net application and allow
> the user to run Python scripts inside our application. The part that
> embeds the Python environment is VB.Net (but could be C# if that would be
> better).
>
>
> I am running into problems setting variables in the scope such that they
> can be used in the Python scripts we call. I keep getting an error:
> NameError: global name 'Bridge' is not defined.
>
>
> This is the VB code I am trying to use:
>
> PythonEngine.Initialize()
>
> Using (Py.GIL())
> Dim moduleName As String = "PrintToBridge"
> Dim pythonCommandLine As String = "Not used yet"
>
> Dim scope As PyScope = Py.CreateScope()
> Try
> scope.Set("Bridge", bridge)
> scope.Set("SetupParams", cmdLine)
>
> Dim script As Object = scope.Import(moduleName)
> bridge.mm.PrintMsg("Scope has Bridge:" +
> Str(scope.Contains("Bridge")))
> script.Startup(pythonCommandLine)
> Finally
> scope.Dispose()
> End Try
> End Using
>
> The Python script:
>
> def Startup(param):
> Bridge.mm.PrintMsg('Startup called')
>
> def Docommand(param):
> Bridge.mm.PrintMsg('docommand called')
>
> def Shutdown():
> Bridge.mm.PrintMsg('Shutdown called')
>
>
> How can I set a variable such that it would be recognized by the called
> Python script? Importing the script works, I can force python-y things to
> happen. And the check to see if the object I want is in scope returns
> true. But it still isn't available in Python.
>
>
> I have tried scope.Eval(moduleName + ".Startup('" + pythonCommandLine +
> "')") and Exec() with locals:
>
> Dim locals As PyDict = New PyDict()
> locals.SetItem("Bridge".ToPython(), bridge.ToPython())
> scope.Exec(moduleName + ".Startup('" + pythonCommandLine +
> "')", locals)
>
> All with the same effect. Any ideas on how to get set variables so
> scripts can gain access to them?
>
>
> Thanks,
>
> Steve
>
>
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