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Fix set pythonhome #415

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Merged
vmuriart merged 2 commits into from
Mar 3, 2017
Merged

Fix set pythonhome #415

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6668ebf
Fix PythonEngine PYTHONHOME setter
vmuriart Mar 2, 2017
321aa28
Fix set PythonPath, set ProgramName
vmuriart Mar 2, 2017
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37 changes: 37 additions & 0 deletions 37 src/embed_tests/TestPythonEngineProperties.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -105,5 +105,42 @@ public static void GetPythonHomeDefault()
Assert.AreEqual(envPythonHome, enginePythonHome);
PythonEngine.Shutdown();
}

[Test]
public void SetPythonHome()
{
var pythonHome = "/dummypath/";

PythonEngine.PythonHome = pythonHome;
PythonEngine.Initialize();

Assert.AreEqual(pythonHome, PythonEngine.PythonHome);
PythonEngine.Shutdown();
}

[Test]
public void SetPythonHomeTwice()
{
var pythonHome = "/dummypath/";

PythonEngine.PythonHome = "/dummypath2/";
PythonEngine.PythonHome = pythonHome;
PythonEngine.Initialize();

Assert.AreEqual(pythonHome, PythonEngine.PythonHome);
PythonEngine.Shutdown();
}

[Test]
public void SetProgramName()
{
var programName = "FooBar";

PythonEngine.ProgramName = programName;
PythonEngine.Initialize();

Assert.AreEqual(programName, PythonEngine.ProgramName);
PythonEngine.Shutdown();
}
}
}
37 changes: 34 additions & 3 deletions 37 src/runtime/pythonengine.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,9 @@ public class PythonEngine : IDisposable
{
private static DelegateManager delegateManager;
private static bool initialized;
private static IntPtr _pythonHome = IntPtr.Zero;
private static IntPtr _programName = IntPtr.Zero;
private static IntPtr _pythonPath = IntPtr.Zero;

public PythonEngine()
{
Expand Down Expand Up @@ -64,7 +67,14 @@ public static string ProgramName

return result ?? "";
}
set { Runtime.Py_SetProgramName(value); }
set
{
Marshal.FreeHGlobal(_programName);
_programName = Runtime.IsPython3
? UcsMarshaler.GetInstance("").MarshalManagedToNative(value)
: Marshal.StringToHGlobalAnsi(value);
Runtime.Py_SetProgramName(_programName);
}
}

public static string PythonHome
Expand All @@ -78,7 +88,14 @@ public static string PythonHome

return result ?? "";
}
set { Runtime.Py_SetPythonHome(value); }
set
{
Marshal.FreeHGlobal(_pythonHome);
_pythonHome = Runtime.IsPython3
? UcsMarshaler.GetInstance("").MarshalManagedToNative(value)
: Marshal.StringToHGlobalAnsi(value);
Runtime.Py_SetPythonHome(_pythonHome);
}
}

public static string PythonPath
Expand All @@ -92,7 +109,14 @@ public static string PythonPath

return result ?? "";
}
set { Runtime.Py_SetPath(value); }
set
{
Marshal.FreeHGlobal(_pythonPath);
_pythonPath = Runtime.IsPython3
? UcsMarshaler.GetInstance("").MarshalManagedToNative(value)
: Marshal.StringToHGlobalAnsi(value);
Runtime.Py_SetPath(_pythonPath);
}
}

public static string Version
Expand Down Expand Up @@ -284,6 +308,13 @@ public static void Shutdown()
{
if (initialized)
{
Marshal.FreeHGlobal(_pythonHome);
_pythonHome = IntPtr.Zero;
Marshal.FreeHGlobal(_programName);
_programName = IntPtr.Zero;
Marshal.FreeHGlobal(_pythonPath);
_pythonPath = IntPtr.Zero;

Runtime.Shutdown();
initialized = false;
}
Expand Down
18 changes: 6 additions & 12 deletions 18 src/runtime/runtime.cs
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Expand Up @@ -686,43 +686,37 @@ public static extern int Py_Main(
internal static extern IntPtr Py_GetProgramName();

[DllImport(PythonDll)]
internal static extern void Py_SetProgramName(
[MarshalAs(UnmanagedType.LPWStr)] string name
);
internal static extern void Py_SetProgramName(IntPtr name);

[DllImport(PythonDll)]
internal static extern IntPtr Py_GetPythonHome();

[DllImport(PythonDll)]
internal static extern void Py_SetPythonHome(
[MarshalAs(UnmanagedType.LPWStr)] string home
);
internal static extern void Py_SetPythonHome(IntPtr home);

[DllImport(PythonDll)]
internal static extern IntPtr Py_GetPath();

[DllImport(PythonDll)]
internal static extern void Py_SetPath(
[MarshalAs(UnmanagedType.LPWStr)] string home
);
internal static extern void Py_SetPath(IntPtr home);
#elif PYTHON2
[DllImport(PythonDll)]
internal static extern IntPtr Py_GetProgramName();

[DllImport(PythonDll)]
internal static extern void Py_SetProgramName(string name);
internal static extern void Py_SetProgramName(IntPtr name);

[DllImport(PythonDll)]
internal static extern IntPtr Py_GetPythonHome();

[DllImport(PythonDll)]
internal static extern void Py_SetPythonHome(string home);
internal static extern void Py_SetPythonHome(IntPtr home);

[DllImport(PythonDll)]
internal static extern IntPtr Py_GetPath();

[DllImport(PythonDll)]
internal static extern void Py_SetPath(string home);
internal static extern void Py_SetPath(IntPtr home);
#endif

[DllImport(PythonDll)]
Expand Down
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