Port to .net core 5

src/Analysis/Ast/Impl/Analyzer/PythonAnalyzerSession.cs

@@ -31,6 +31,7 @@
 using Microsoft.Python.Core.Logging;
 using Microsoft.Python.Core.Testing;
 using Microsoft.Python.Parsing.Ast;
+using DiagnosticSource = Microsoft.Python.Analysis.Diagnostics.DiagnosticSource;
 
 namespace Microsoft.Python.Analysis.Analyzer {
     internal sealed class PythonAnalyzerSession {

src/Analysis/Ast/Impl/Analyzer/Symbols/FunctionEvaluator.cs

@@ -27,6 +27,7 @@
 using Microsoft.Python.Parsing;
 using Microsoft.Python.Parsing.Ast;
 using ErrorCodes = Microsoft.Python.Analysis.Diagnostics.ErrorCodes;
+using DiagnosticSource = Microsoft.Python.Analysis.Diagnostics.DiagnosticSource;
 
 namespace Microsoft.Python.Analysis.Analyzer.Symbols {
     [DebuggerDisplay("{FunctionDefinition.Name}")]

src/Analysis/Ast/Impl/Microsoft.Python.Analysis.csproj

@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
     <RootNamespace>Microsoft.Python.Analysis</RootNamespace>
     <AssemblyName>Microsoft.Python.Analysis</AssemblyName>
   </PropertyGroup>

src/Analysis/Ast/Impl/Modules/PythonModule.cs

@@ -38,6 +38,7 @@
 using Microsoft.Python.Core.Text;
 using Microsoft.Python.Parsing;
 using Microsoft.Python.Parsing.Ast;
+using DiagnosticSource = Microsoft.Python.Analysis.Diagnostics.DiagnosticSource;
 
 namespace Microsoft.Python.Analysis.Modules {
     /// <summary>

src/Analysis/Ast/Impl/Types/ArgumentSet.cs

@@ -20,6 +20,7 @@
 using System.Linq;
 using Microsoft.Python.Analysis.Analyzer;
 using Microsoft.Python.Analysis.Diagnostics;
+using DiagnosticSource = Microsoft.Python.Analysis.Diagnostics.DiagnosticSource;
 using Microsoft.Python.Analysis.Values;
 using Microsoft.Python.Core;
 using Microsoft.Python.Parsing;

src/Analysis/Ast/Test/Microsoft.Python.Analysis.Tests.csproj

@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
     <RootNamespace>Microsoft.Python.Analysis.Tests</RootNamespace>
     <AssemblyName>Microsoft.Python.Analysis.Tests</AssemblyName>
   </PropertyGroup>

src/Analysis/Core/Impl/Microsoft.Python.Analysis.Core.csproj

@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
     <RootNamespace>Microsoft.Python.Analysis</RootNamespace>
     <AssemblyName>Microsoft.Python.Analysis.Core</AssemblyName>
   </PropertyGroup>

src/Core/Impl/Microsoft.Python.Core.csproj

@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
     <RootNamespace>Microsoft.Python.Core</RootNamespace>
     <AssemblyName>Microsoft.Python.Core</AssemblyName>
   </PropertyGroup>

src/Core/Test/Microsoft.Python.Core.Tests.csproj

@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
     <RootNamespace>Microsoft.Python.Core.Tests</RootNamespace>
     <AssemblyName>Microsoft.Python.Core.Tests</AssemblyName>
   </PropertyGroup>

src/LanguageServer/Impl/Microsoft.Python.LanguageServer.csproj

@@ -1,6 +1,6 @@
 <Project>
     <PropertyGroup>
-        <TargetFramework>netcoreapp3.1</TargetFramework>
+        <TargetFramework>net5.0</TargetFramework>
         <RootNamespace>Microsoft.Python.LanguageServer</RootNamespace>
         <AssemblyName>Microsoft.Python.LanguageServer</AssemblyName>
     </PropertyGroup>

src/LanguageServer/Test/Microsoft.Python.LanguageServer.Tests.csproj

@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
     <RootNamespace>Microsoft.Python.LanguageServer.Tests</RootNamespace>
     <AssemblyName>Microsoft.Python.LanguageServer.Tests</AssemblyName>
   </PropertyGroup>

src/Parsing/Impl/Microsoft.Python.Parsing.csproj

@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup>
-    <TargetFramework>netstandard2.0</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
     <RootNamespace>Microsoft.Python.Parsing</RootNamespace>
     <AssemblyName>Microsoft.Python.Parsing</AssemblyName>
   </PropertyGroup>

src/Parsing/Test/Microsoft.Python.Parsing.Tests.csproj

@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
     <RootNamespace>Microsoft.Python.Parsing.Tests</RootNamespace>
     <AssemblyName>Microsoft.Python.Parsing.Tests</AssemblyName>
   </PropertyGroup>

src/UnitTests/Core/Impl/UnitTests.Core.csproj

@@ -1,6 +1,6 @@
 <Project>
   <PropertyGroup>
-    <TargetFramework>netstandard2.1</TargetFramework>
+    <TargetFramework>net5.0</TargetFramework>
     <RootNamespace>Microsoft.Python.UnitTests.Core</RootNamespace>
     <AssemblyName>Microsoft.Python.UnitTests.Core</AssemblyName>
   </PropertyGroup>