How to Execute Python Scripts from C# Using Native Methods?

Seamlessly execute the Python script

This article discusses the core problem of performing the Python script from C#. The code provided is designed to run a simple Python script, which reads the contents of the specified file. However, the initial method encountered the challenge, which led to how to use the native method to achieve this goal.

Problem analysis

The main problems encountered in the initial implementation originated from the use of userShellexecute to false. This disables the use of the system shell, which needs to be explicitly specified the complete path of the Python executable file and correctly format the command parameters.

Improvement method

In order to correct this problem, the modified code provides a improvement of improvement:

Key considerations

private void run_cmd(string cmd, string args)
{
     ProcessStartInfo start = new ProcessStartInfo();
     start.FileName = "my/full/path/to/python.exe";
     start.Arguments = string.Format("{0} {1}", cmd, args);
     start.UseShellExecute = false;
     start.RedirectStandardOutput = true;
     using(Process process = Process.Start(start))
     {
         using(StreamReader reader = process.StandardOutput)
         {
             string result = reader.ReadToEnd();
             Console.Write(result);
         }
     }
}

The useShellexecute must be set to false to expand the executable file and parameters. The command parameters must be formatted correctly, and the scripts and input files to be run are specified.

By capturing the standard output, the results of the Python script can be integrated into the C# code.

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