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Suggest to set Runtime.PythonDLL when embedding in .NET #1411

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Mar 9, 2021
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Suggest to set Runtime.PythonDLL when embedding in .NET #1411

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14 changes: 13 additions & 1 deletion src/runtime/runtime.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -2518,7 +2518,19 @@ static Delegates()
}

static global::System.IntPtr GetFunctionByName(string functionName, global::System.IntPtr libraryHandle)
=> libraryLoader.GetFunction(libraryHandle, functionName);
{
try
{
return libraryLoader.GetFunction(libraryHandle, functionName);
}
catch (MissingMethodException e) when (libraryHandle == IntPtr.Zero)
{
throw new MissingMethodException(
"Did you forget to set Runtime.PythonDLL?" +
" See https://github.com/pythonnet/pythonnet#embedding-python-in-net",
e);
}
}

internal static delegate* unmanaged[Cdecl]<IntPtr, IntPtr> PyDictProxy_New { get; }
internal static delegate* unmanaged[Cdecl]<IntPtr, void> Py_IncRef { get; }
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