How to Successfully Run a Python Script from C# Without Using the Shell?

How to Execute Python Scripts from C#

You aim to invoke a Python script from within your C# application. The script contains a simple file reading and printing function.

Your initial attempt involved calling the Python script via the command line, but using UseShellExecute = false prevented the execution from completing successfully.

To rectify this issue, you must:

• Set UseShellExecute = false to disable the use of the shell.
• Provide the full path to the Python executable as FileName.
• Construct the Arguments string to include both the script name and the file to be read.

Here is the corrected code:

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);
        }
    }
}

With this modification, you should be able to execute the Python script from your C# application and capture its output.

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