For https://github.com/IronLanguages/main/issues/957

test957.bat

"c:\Program Files (x86)\IronPython 2.7\ipy.exe" test957.py
C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe test957.cs /reference:"c:\Program Files (x86)\IronPython 2.7\IronPython.dll"  /reference:"c:\Program Files (x86)\IronPython 2.7\Microsoft.Scripting.dll" /reference:LibPy.dll
test957.exe

test957.cs

using System;
using System.Collections.Generic;
using System.IO;
using IronPython.Hosting;
using IronPython.Runtime;

namespace ConsoleApplication1 {

class Program {
    static void Main(string[] args) {
        var engine = Python.CreateEngine(new Dictionary<string, object>() { { "Debug", true }, {"ExceptionDetails",true} });
        engine.Runtime.LoadAssembly(typeof(System.Linq.Enumerable).Assembly);
        engine.Runtime.LoadAssembly(typeof(System.String).Assembly);
        engine.Runtime.LoadAssembly(typeof(System.Diagnostics.Process).Assembly);
        engine.Runtime.LoadAssembly(typeof(DLRCachedCode).Assembly);

        try {
            engine.Execute(@"
import sys
from os import path
def f(*args):
    return f
sys.settrace(f)
path.abspath('Z:\\Documents\\ipy-issues\\issues\\LibPy.dll')
def g(): pass
g()
");
        } catch(Exception e) {
            Console.WriteLine(e);
        }
        Console.ReadLine();
    }
}
}

test957.py

import os
import clr

basedir = 'C:\\Program Files (x86)\\IronPython 2.7\\' 
all_files = []
for dir, blah, files in os.walk(basedir + 'Lib'):
    if dir.startswith('Lib\\site-packages'):
        print('skipping', dir)
        continue
    for file in files:
        if file.endswith('.py'):
            if file in [ 'platform.py'] :
                continue
            all_files.append(dir + '\\' + file)

clr.CompileModules('z:\\Documents\\ipy-issues\\issues\\LibPy.dll', *all_files)