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Rebased PR 450 (Py_Initialize without overriding signals) by filmor · Pull Request #724 · pythonnet/pythonnet · GitHub

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Rebased PR 450 (Py_Initialize without overriding signals) #724

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Rebased PR 450 (Py_Initialize without overriding signals) #724

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138b2d2
added unit test to demonstrate that CTRL+C does not work
rmadsen-ks Apr 5, 2017
e911f80
64 bit support.
rmadsen-ks Apr 5, 2017
f7c61ea
Fixed unittest to better test for success. Fixed kill support.
rmadsen-ks Apr 6, 2017
745daaf
Added appveyor testresult artifacts
rmadsen-ks Apr 6, 2017
1e1598d
Fix errors and remove warnings
filmor Oct 29, 2018
2162917
Revert changes to solution file
filmor Nov 13, 2018
3d6024d
Add missing System.CodeDom dependency for .NET core
filmor Nov 14, 2018
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3 changes: 3 additions & 0 deletions appveyor.yml
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Expand Up @@ -75,6 +75,9 @@ on_finish:

artifacts:
- path: dist\*
- path: TestResult.xml
name: TestResult
type: xml

notifications:
- provider: Slack
Expand Down
71 changes: 34 additions & 37 deletions pythonnet.sln
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@@ -1,6 +1,6 @@
Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio 15
VisualStudioVersion = 15.0.28010.2046
# Visual Studio 14
VisualStudioVersion = 14.0.25420.1
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Python.Runtime", "src\runtime\Python.Runtime.csproj", "{097B4AC0-74E9-4C58-BCF8-C69746EC8271}"
EndProject
Expand Down Expand Up @@ -32,38 +32,38 @@ Global
ReleaseWinPY3|x86 = ReleaseWinPY3|x86
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{097B4AC0-74E9-4C58-BCF8-C69746EC8271}.DebugMono|x64.ActiveCfg = DebugMono|Any CPU
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{097B4AC0-74E9-4C58-BCF8-C69746EC8271}.DebugMono|x86.ActiveCfg = DebugMono|Any CPU
{097B4AC0-74E9-4C58-BCF8-C69746EC8271}.DebugMono|x86.Build.0 = DebugMono|Any CPU
{097B4AC0-74E9-4C58-BCF8-C69746EC8271}.DebugMonoPY3|x64.ActiveCfg = DebugMonoPY3|Any CPU
{097B4AC0-74E9-4C58-BCF8-C69746EC8271}.DebugMonoPY3|x64.Build.0 = DebugMonoPY3|Any CPU
{097B4AC0-74E9-4C58-BCF8-C69746EC8271}.DebugMonoPY3|x86.ActiveCfg = DebugMonoPY3|Any CPU
{097B4AC0-74E9-4C58-BCF8-C69746EC8271}.DebugMonoPY3|x86.Build.0 = DebugMonoPY3|Any CPU
{097B4AC0-74E9-4C58-BCF8-C69746EC8271}.DebugWin|x64.ActiveCfg = DebugWin|Any CPU
{097B4AC0-74E9-4C58-BCF8-C69746EC8271}.DebugWin|x64.Build.0 = DebugWin|Any CPU
{097B4AC0-74E9-4C58-BCF8-C69746EC8271}.DebugWin|x86.ActiveCfg = DebugWin|Any CPU
{097B4AC0-74E9-4C58-BCF8-C69746EC8271}.DebugWin|x86.Build.0 = DebugWin|Any CPU
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{097B4AC0-74E9-4C58-BCF8-C69746EC8271}.DebugWinPY3|x86.Build.0 = DebugWinPY3|Any CPU
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{097B4AC0-74E9-4C58-BCF8-C69746EC8271}.ReleaseWin|x86.ActiveCfg = ReleaseWin|x86
{097B4AC0-74E9-4C58-BCF8-C69746EC8271}.ReleaseWin|x86.Build.0 = ReleaseWin|x86
{097B4AC0-74E9-4C58-BCF8-C69746EC8271}.ReleaseWinPY3|x64.ActiveCfg = ReleaseWinPY3|x64
{097B4AC0-74E9-4C58-BCF8-C69746EC8271}.ReleaseWinPY3|x64.Build.0 = ReleaseWinPY3|x64
{097B4AC0-74E9-4C58-BCF8-C69746EC8271}.ReleaseWinPY3|x86.ActiveCfg = ReleaseWinPY3|x86
{097B4AC0-74E9-4C58-BCF8-C69746EC8271}.ReleaseWinPY3|x86.Build.0 = ReleaseWinPY3|x86
{6F401A34-273B-450F-9A4C-13550BE0767B}.DebugMono|x64.ActiveCfg = DebugMono|x64
{6F401A34-273B-450F-9A4C-13550BE0767B}.DebugMono|x64.Build.0 = DebugMono|x64
{6F401A34-273B-450F-9A4C-13550BE0767B}.DebugMono|x86.ActiveCfg = DebugMono|x86
Expand Down Expand Up @@ -188,9 +188,6 @@ Global
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {10AE1870-1175-445A-B23A-C83497EAAE4B}
EndGlobalSection
GlobalSection(MonoDevelopProperties) = preSolution
StartupItem = src\console\Console.csproj
Policies = $0
Expand Down
6 changes: 5 additions & 1 deletion src/embed_tests/Python.EmbeddingTest.15.csproj
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@@ -1,4 +1,4 @@
<Project>
<Project>
<Import Project="Sdk.props" Sdk="Microsoft.NET.Sdk" />

<PropertyGroup>
Expand Down Expand Up @@ -82,8 +82,12 @@
<PackageReference Include="NUnit3TestAdapter" Version="3.8.0" />
<PackageReference Include="NUnitLite" Version="3.7.2" />
</ItemGroup>

<ItemGroup Condition="'$(TargetFramework)' == 'netcoreapp2.0'">
<PackageReference Include="Microsoft.NET.Test.Sdk" Version="15.0.0" />
<PackageReference Include="System.CodeDom">
<Version>4.5.0</Version>
</PackageReference>
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\runtime\Python.Runtime.15.csproj" />
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1 change: 1 addition & 0 deletions src/embed_tests/Python.EmbeddingTest.csproj
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Expand Up @@ -80,6 +80,7 @@
<None Include="packages.config" />
</ItemGroup>
<ItemGroup>
<Compile Include="TestConsoleInterrupt.cs" />
<Compile Include="dynamic.cs" />
<Compile Include="pyimport.cs" />
<Compile Include="pyinitialize.cs" />
Expand Down
127 changes: 127 additions & 0 deletions src/embed_tests/TestConsoleInterrupt.cs
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Original file line number Diff line number Diff line change
@@ -0,0 +1,127 @@
using Microsoft.CSharp;
using NUnit.Framework;
using Python.Runtime;
using System;
using System.CodeDom.Compiler;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Text;

namespace Python.EmbeddingTest
{
/// <summary>
/// This class tests that a console application with PythonEngine Initialize can be interrupted by CTRL+C.
/// </summary>
public class TestConsoleInterrupt
{
static readonly string program = @"
using System;
using Python.Runtime;
using System.Text;
using System.Diagnostics;
class Program
{
static void Main(string[] args)
{
PythonEngine.Initialize(); // Comment this out to support CTRL+C again.
Console.WriteLine(""Waiting 5s.. Try CTRL+C."");
System.Threading.Thread.Sleep(5000);
Console.WriteLine(""Timeout"");
}
}
";

static string BuildAssembly(string code)
{
var provider = new CSharpCodeProvider();
var compilerparams = new CompilerParameters();
compilerparams.GenerateExecutable = true;
compilerparams.GenerateInMemory = false;
if (IntPtr.Size == 8)
{
compilerparams.CompilerOptions = "/platform:x64";
}
else
{
compilerparams.CompilerOptions = "/platform:x86";
}

var dir = TestContext.CurrentContext.TestDirectory;

compilerparams.OutputAssembly = System.IO.Path.Combine(dir, "testctrl.exe");
compilerparams.ReferencedAssemblies.Add(typeof(PythonEngine).Assembly.Location);
CompilerResults results = provider.CompileAssemblyFromSource(compilerparams, code);
if (results.Errors.HasErrors)
{
StringBuilder errors = new StringBuilder("Compiler Errors :\r\n");
foreach (CompilerError error in results.Errors)
{
errors.AppendFormat("Line {0},{1}\t: {2}\n", error.Line, error.Column, error.ErrorText);
}
throw new Exception(errors.ToString());
}
else
{
return results.PathToAssembly;
}
}

#if MONO_LINUX || MONO_OSX
[DllImport("libc")]
static extern bool kill(int pid, int signal);

static void invokeSigInt(Process proc)
{
int SIGINT = 2;
kill(proc.Id, SIGINT);
}

#else

[DllImport("kernel32.dll", SetLastError = true)]
static extern bool GenerateConsoleCtrlEvent(int sigevent, int dwProcessGroupId);

[DllImport("kernel32.dll", SetLastError = true)]
static extern bool AttachConsole(uint dwProcessId);

[DllImport("kernel32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool FreeConsole();

[DllImport("kernel32.dll")]
static extern bool SetConsoleCtrlHandler(int handler, bool add);

static void invokeSigInt(Process proc)
{
FreeConsole();
AttachConsole((uint)proc.Id);
SetConsoleCtrlHandler(0, true);
System.Threading.Thread.Sleep(50);
GenerateConsoleCtrlEvent(0, 0);
System.Threading.Thread.Sleep(50);
FreeConsole();
SetConsoleCtrlHandler(0, false);
}

#endif

[Test]
public static void ConsoleInterrupt()
{
var path = BuildAssembly(program);
using (var process = Process.Start(new ProcessStartInfo(path, "") { UseShellExecute = false, RedirectStandardOutput = true }))
{

System.Threading.Thread.Sleep(100);
invokeSigInt(process);
if (!process.WaitForExit(500))
{
process.Kill();
Assert.Fail();
}
var str = process.StandardOutput.ReadToEnd();
Assert.IsTrue(str.Contains("Waiting")); // Program starts with "Waiting".
Assert.IsTrue(str.Contains("Timeout") == false); // program ends with "Timeout" but we should never get there.
}
}
}
}
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