dotnet 9 (#98)

* dotnet 9

* Bump version to 2.0.42

* Fix compiler warnings

Author: Martin-Molinero

Directory.Build.props

@@ -4,7 +4,6 @@
     <AssemblyCopyright>Copyright (c) 2006-2021 The Contributors of the Python.NET Project</AssemblyCopyright>
     <AssemblyCompany>pythonnet</AssemblyCompany>
     <AssemblyProduct>Python.NET</AssemblyProduct>
-    <LangVersion>10.0</LangVersion>
     <IsPackable>false</IsPackable>
   </PropertyGroup>
 </Project>

src/console/Console.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>net6.0</TargetFrameworks>
+    <TargetFrameworks>net9.0</TargetFrameworks>
     <OutputType>Exe</OutputType>
     <AssemblyName>nPython</AssemblyName>
     <RootNamespace>Python.Runtime</RootNamespace>

src/embed_tests/Python.EmbeddingTest.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0</TargetFrameworks>
+    <TargetFrameworks>net9.0</TargetFrameworks>
     <AssemblyOriginatorKeyFile>..\pythonnet.snk</AssemblyOriginatorKeyFile>
     <SignAssembly>true</SignAssembly>
   </PropertyGroup>

src/embed_tests/StateSerialization/MethodSerialization.cs

@@ -1,4 +1,4 @@
-using System.IO;
+/*using System.IO;
 using System.Reflection;
 
 using NUnit.Framework;
@@ -44,3 +44,4 @@ public class MethodTestHost
     public MethodTestHost(int _) { }
     public void Generic<T>(T item, T[] array, ref T @ref) { }
 }
+*/

src/perf_tests/Python.PerformanceTests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0</TargetFrameworks>
+    <TargetFrameworks>net9.0</TargetFrameworks>
     <IsPackable>false</IsPackable>
   </PropertyGroup>
 
@@ -13,7 +13,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="16.*" />
-    <PackageReference Include="quantconnect.pythonnet" Version="2.0.41" GeneratePathProperty="true">
+    <PackageReference Include="quantconnect.pythonnet" Version="2.0.42" GeneratePathProperty="true">
       <IncludeAssets>compile</IncludeAssets>
     </PackageReference>
   </ItemGroup>
@@ -25,7 +25,7 @@
   </Target>
 
   <Target Name="CopyBaseline" AfterTargets="Build">
-    <Copy SourceFiles="$(NuGetPackageRoot)quantconnect.pythonnet\2.0.41\lib\net6.0\Python.Runtime.dll" DestinationFolder="$(OutDir)baseline" />
+    <Copy SourceFiles="$(NuGetPackageRoot)quantconnect.pythonnet\2.0.42\lib\net9.0\Python.Runtime.dll" DestinationFolder="$(OutDir)baseline" />
   </Target>
 
   <Target Name="CopyNewBuild" AfterTargets="Build">

src/python_tests_runner/Python.PythonTestsRunner.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net6.0</TargetFrameworks>
+    <TargetFrameworks>net9.0</TargetFrameworks>
   </PropertyGroup>
 
   <ItemGroup>

src/runtime/MethodBinder.cs

@@ -793,7 +793,6 @@ internal Binding Bind(BorrowedReference inst, BorrowedReference args, BorrowedRe
 
         static BorrowedReference HandleParamsArray(BorrowedReference args, int arrayStart, int pyArgCount, out NewReference tempObject)
         {
-            BorrowedReference op;
             tempObject = default;
             // for a params method, we may have a sequence or single/multiple items
             // here we look to see if the item at the paramIndex is there or not
@@ -806,20 +805,19 @@ static BorrowedReference HandleParamsArray(BorrowedReference args, int arrayStar
                 if (!Runtime.PyString_Check(item) && (Runtime.PySequence_Check(item) || (ManagedType.GetManagedObject(item) as CLRObject)?.inst is IEnumerable))
                 {
                     // it's a sequence (and not a string), so we use it as the op
-                    op = item;
+                    return item;
                 }
                 else
                 {
                     tempObject = Runtime.PyTuple_GetSlice(args, arrayStart, pyArgCount);
-                    op = tempObject.Borrow();
+                    return tempObject.Borrow();
                 }
             }
             else
             {
                 tempObject = Runtime.PyTuple_GetSlice(args, arrayStart, pyArgCount);
-                op = tempObject.Borrow();
+                return tempObject.Borrow();
             }
-            return op;
         }
 
         /// <summary>

src/runtime/Native/NewReference.cs

@@ -15,7 +15,7 @@ ref struct NewReference
 
         /// <summary>Creates a <see cref="NewReference"/> pointing to the same object</summary>
         [DebuggerHidden]
-        public NewReference(BorrowedReference reference, bool canBeNull = false)
+        public NewReference(scoped BorrowedReference reference, bool canBeNull = false)
         {
             var address = canBeNull
                 ? reference.DangerousGetAddressOrNull()
@@ -157,15 +157,15 @@ public static bool IsNull(this in NewReference reference)
 
         [Pure]
         [DebuggerHidden]
-        public static BorrowedReference BorrowNullable(this in NewReference reference)
+        public static BorrowedReference BorrowNullable(this scoped in NewReference reference)
             => new(NewReference.DangerousGetAddressOrNull(reference));
         [Pure]
         [DebuggerHidden]
-        public static BorrowedReference Borrow(this in NewReference reference)
+        public static BorrowedReference Borrow(this scoped in NewReference reference)
             => reference.IsNull() ? throw new NullReferenceException() : reference.BorrowNullable();
         [Pure]
         [DebuggerHidden]
-        public static BorrowedReference BorrowOrThrow(this in NewReference reference)
+        public static BorrowedReference BorrowOrThrow(this scoped in NewReference reference)
             => reference.IsNull() ? throw PythonException.ThrowLastAsClrException() : reference.BorrowNullable();
     }
 }

src/runtime/Native/StolenReference.cs

@@ -28,7 +28,7 @@ public static StolenReference Take(ref IntPtr ptr)
         }
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
         [DebuggerHidden]
-        public static StolenReference TakeNullable(ref IntPtr ptr)
+        public static StolenReference TakeNullable(scoped ref IntPtr ptr)
         {
             var stolenAddr = ptr;
             ptr = IntPtr.Zero;

src/runtime/Properties/AssemblyInfo.cs

@@ -4,5 +4,5 @@
 [assembly: InternalsVisibleTo("Python.EmbeddingTest, PublicKey=00240000048000009400000006020000002400005253413100040000110000005ffd8f49fb44ab0641b3fd8d55e749f716e6dd901032295db641eb98ee46063cbe0d4a1d121ef0bc2af95f8a7438d7a80a3531316e6b75c2dae92fb05a99f03bf7e0c03980e1c3cfb74ba690aca2f3339ef329313bcc5dccced125a4ffdc4531dcef914602cd5878dc5fbb4d4c73ddfbc133f840231343e013762884d6143189")]
 [assembly: InternalsVisibleTo("Python.Test, PublicKey=00240000048000009400000006020000002400005253413100040000110000005ffd8f49fb44ab0641b3fd8d55e749f716e6dd901032295db641eb98ee46063cbe0d4a1d121ef0bc2af95f8a7438d7a80a3531316e6b75c2dae92fb05a99f03bf7e0c03980e1c3cfb74ba690aca2f3339ef329313bcc5dccced125a4ffdc4531dcef914602cd5878dc5fbb4d4c73ddfbc133f840231343e013762884d6143189")]
 
-[assembly: AssemblyVersion("2.0.41")]
-[assembly: AssemblyFileVersion("2.0.41")]
+[assembly: AssemblyVersion("2.0.42")]
+[assembly: AssemblyFileVersion("2.0.42")]