// Config the embedded CPython
static void PythonInitialize()
{
// Set the PATH env variable for OS pythonXX.dll searching
// or put the pythonXX.dll into the current working directory or a directory in PATH
// Attension, PythonHome cannot be used for dll search!
//string python = @"C:\Python\WinPython-64bit-2.7.10.3\python-2.7.10.amd64";
//string python = @"C:\Python\WinPython-64bit-3.5.2.2Qt5\python-3.5.2.amd64";
//string python = "C:\\Anaconda3";
string python = "C:\\Anaconda3.5";
Environment.SetEnvironmentVariable("PATH", python, EnvironmentVariableTarget.Process);
// it will be used to set the PythonPath with defaut values
PythonEngine.PythonHome = python;
//Console.WriteLine(PythonEngine.PythonPath);
// Sometimes, we don't want to embed a completed CPython,
// and we only want to distrute our app with miminum files
// then, we can set the Python Module search Path by hand
//PythonEngine.PythonPath = String.Join(";", new List<string>() {
// $"{python}\\DLLs",
// $"{python}\\Lib",
// $"{python}\\Lib\\site_packages",
//});
//PythonEngine.ProgramName = "RuePyNet";
PythonEngine.Initialize();
PythonEngine.BeginAllowThreads(); //need be removed into the future
//redirect python print to .NET Console
PySysIO.ToConsoleOut();
}
public void ToConsoleOut()
{
// redirect to Console.Out, I usually put this at the entrance of a program.
PySysIO.ToConsoleOut();
//test
using (Py.GIL())
{
PythonEngine.RunSimpleString("print('hello ConsoleOut!')");
}
}
public void ToNullTextWriter()
{
// redirect to a TextWriter
PySysIO.ToTextWriter();
//test
using (Py.GIL())
{
PythonEngine.RunSimpleString("print('hello NullTextWriter!')");
}
}
public void ToTextWriter()
{
// redirect to a TextWriter
PySysIO.ToTextWriter(new StringWriter());
//test
using (Py.GIL())
{
PythonEngine.RunSimpleString("print('hello TextWriter!')");
}
var writer = PySysIO.TextWriter as StringWriter;
var content = writer.GetStringBuilder().ToString();
Console.WriteLine(content);
}
