How to run the project locally

• This works on Windows only and I can't get compiled Python DLL to target .NET 5 due to the reason in this GitHub issue

Prerequisite

• Installed Visual Studio 2019
• Installed .NET Framwork 4.8
• Installed IronPython for Windows
• A sytem path variable contains C:\Program Files\IronPython 3.4 folder.

Prepare source code and environment

• Clone the project.

git clone git@github.com:dotnetthailand/iron-python-examples.git

• CD to iron-python-examples folder.

cd iron-python-examples

• Double click IronPythonExamples.sln to open the project with Visual Studio.
• The current project file/folder structure.

  iron-python-examples/
  ├── IronPythonClassLibraryTest.cs (the main test class)
  ├── IronPythonExamples.csproj
  ├── IronPythonExamples.sln
  ├── Math.py (Python code which will be compiled to Math.dll by ipyc.exe)
  

Build the project and run unit test

• In the Solution Explorer window, select project IronPythonExamples node.
• Press Ctrl+Shift+B to build the project.
• Open IronPythonClassLibraryTest.cs, and click somewhere inside Sum_ValidInput_ReturnCorectValue test case.
• Press Ctrl+R, T to run the test case.
• The Test Explorer window will be automaticall opened and it will show a status of the running test case.
• You should find a successful test result as the screenshot below.

Useful tools for COM

• OleViewDotNet, search by ProgId "ThaiTranslite"
• C:\Program Files (x86)\Windows Kits\10\bin\10.0.19041.0\x86\oleview.exe after you have installed "development with C++" from Visual Studio Installer.
• RegDllView
• RegistryFinder

Useful resource

• https://www.py4u.net/discuss/736777
• https://www.codemag.com/Article/2009101/Interactive-Unit-Testing-with-.NET-Core-and-VS-Code
• How to Register and Unregister a DLL or ActiveX Controls Using Regsvr32.exe
• How C# new dynamic type can simplify access to late bound COM object
• https://adamtheautomator.com/regsvr32-exe/
• C# interop with C/C++ and Rust in WebAssembly