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filmorfilmor
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6 files changed

+115
-7
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6 files changed

+115
-7
lines changed

‎Python.Loader/InternalDllImportResolver.cs‎

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using System;
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using System.Reflection;
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using System.Runtime.InteropServices;
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namespace Python.Loader
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{
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public static class InternalDllImportResolver
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{
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public static IntPtr Resolve(string libraryName, Assembly assembly, int? flags) {
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if (libraryName == "__Internal") {
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}
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}
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}
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}

‎Python.Loader/Loader.cs‎

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@@ -5,18 +5,18 @@
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using System.Reflection;
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using Mono.Cecil;
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namespace Python
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namespace Python.Loader
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{
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public class Loader
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public class RuntimeLoader
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{
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AssemblyDefinition assembly;
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static public Loader FromFile(string filename)
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static public RuntimeLoader FromFile(string filename)
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{
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return new Loader(File.OpenRead(filename));
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return new RuntimeLoader(File.OpenRead(filename));
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}
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public Loader(Stream stream)
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public RuntimeLoader(Stream stream)
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{
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assembly = AssemblyDefinition.ReadAssembly(stream, new ReaderParameters
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{
@@ -74,7 +74,7 @@ public static int Initialize(IntPtr data, int size)
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var dllPath = splitted[0];
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var pythonDll = splitted[1];
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var loader = Loader.FromFile(dllPath);
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var loader = RuntimeLoader.FromFile(dllPath);
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loader.Remap(pythonDll);
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var assembly = loader.LoadAssembly();
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‎Python.Loader/Python.Loader.csproj‎

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@@ -1,12 +1,13 @@
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>netstandard2.0</TargetFramework>
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<TargetFramework>netcoreapp3.1</TargetFramework>
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<AllowUnsafeBlocks>true</AllowUnsafeBlocks>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Mono.Cecil" Version="0.11.2" />
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<PackageReference Include="System.Runtime.InteropServices" Version="4.3.0" />
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</ItemGroup>
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</Project>

‎net_test.py‎

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import os
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#os.environ["MONO_LOG_LEVEL"] = "debug"
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# os.environ["MONO_LOG_MASK"] = "cfg,dll"
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os.environ["COREHOST_DEBUG"] = "1"
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os.environ["COREHOST_TRACE"] = "1"
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os.environ["COREHOST_TRACE_VERBOSITY"] = "4"
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import pythonnet, clr_loader
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import sys
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if sys.argv[1] == "mono":
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mono = clr_loader.get_mono()
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rt = mono
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elif sys.argv[1] == "core":
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core = clr_loader.get_coreclr("/home/benedikt/git/clr-loader/example/out/example.runtimeconfig.json")
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rt = core
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pythonnet.set_runtime(rt)
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pythonnet.load()
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print("Loaded pythonnet")
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import clr
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from System import Console
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Console.WriteLine("Success")

‎tools/remap_dll_target/Program.cs‎

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using System.ComponentModel;
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using System.Reflection;
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using System.Xml.Linq;
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using System;
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using System.Linq;
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using Mono.Cecil;
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namespace RemapDllTarget
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{
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class Program
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{
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static void Main(string[] args)
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{
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var filename = args[0];
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Console.WriteLine($"Loading existing DLL {filename}...");
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var def = AssemblyDefinition.ReadAssembly(filename, new ReaderParameters {
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ReadingMode = ReadingMode.Immediate,
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ReadWrite = true,
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InMemory = true
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});
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var mappings = args.Skip(1)
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.Select(x => x.Split('=', 2).ToArray())
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.ToDictionary(x => x[0], x => new ModuleReference(x[1]));
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Console.WriteLine($"Remapping DllImport paths in {filename}...");
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foreach (var kvp in mappings) {
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Console.WriteLine($"{kvp.Key} => {kvp.Value}");
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}
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var module = def.MainModule;
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foreach (var mref in mappings.Values)
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module.ModuleReferences.Add(mref);
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foreach (var type in def.MainModule.Types) {
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foreach (var func in type.Methods) {
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if (func.HasPInvokeInfo) {
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var info = func.PInvokeInfo;
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if (mappings.TryGetValue(info.Module.Name, out ModuleReference newRef)) {
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Console.WriteLine($"Remapping {info.EntryPoint}: {info.Module} => {newRef}");
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info.Module = newRef;
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}
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func.PInvokeInfo = info;
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}
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}
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}
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Console.WriteLine($"Writing result");
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def.Write(filename);
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}
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}
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}

‎tools/remap_dll_target/remap_dll_target.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>netcoreapp3.1</TargetFramework>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Mono.Cecil" Version="0.11.2" />
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</ItemGroup>
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</Project>

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