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This repository was archived by the owner on Jul 22, 2023. It is now read-only.
/pythonnetPublic archive
forked frompythonnet/pythonnet

Commit321aa28

Browse files
committed
Fix set PythonPath, set ProgramName
Note on PythonPath. Its actually mapping to `Py_SetPath` which isvery different from PYTHONPATH env var. There is no test on itbecause it should be set to real paths with libraries. Otherwise itcrashes.2nd Note. `Py_SetPath` doesn't exist on PY27.
1 parent6668ebf commit321aa28

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3 files changed

+40
-14
lines changed

3 files changed

+40
-14
lines changed

‎src/embed_tests/TestPythonEngineProperties.cs

Lines changed: 12 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -130,5 +130,17 @@ public void SetPythonHomeTwice()
130130
Assert.AreEqual(pythonHome,PythonEngine.PythonHome);
131131
PythonEngine.Shutdown();
132132
}
133+
134+
[Test]
135+
publicvoidSetProgramName()
136+
{
137+
varprogramName="FooBar";
138+
139+
PythonEngine.ProgramName=programName;
140+
PythonEngine.Initialize();
141+
142+
Assert.AreEqual(programName,PythonEngine.ProgramName);
143+
PythonEngine.Shutdown();
144+
}
133145
}
134146
}

‎src/runtime/pythonengine.cs

Lines changed: 24 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -15,6 +15,8 @@ public class PythonEngine : IDisposable
1515
privatestaticDelegateManagerdelegateManager;
1616
privatestaticboolinitialized;
1717
privatestaticIntPtr_pythonHome=IntPtr.Zero;
18+
privatestaticIntPtr_programName=IntPtr.Zero;
19+
privatestaticIntPtr_pythonPath=IntPtr.Zero;
1820

1921
publicPythonEngine()
2022
{
@@ -65,7 +67,14 @@ public static string ProgramName
6567

6668
returnresult??"";
6769
}
68-
set{Runtime.Py_SetProgramName(value);}
70+
set
71+
{
72+
Marshal.FreeHGlobal(_programName);
73+
_programName=Runtime.IsPython3
74+
?UcsMarshaler.GetInstance("").MarshalManagedToNative(value)
75+
:Marshal.StringToHGlobalAnsi(value);
76+
Runtime.Py_SetProgramName(_programName);
77+
}
6978
}
7079

7180
publicstaticstringPythonHome
@@ -81,10 +90,7 @@ public static string PythonHome
8190
}
8291
set
8392
{
84-
if(_pythonHome!=IntPtr.Zero)
85-
{
86-
Marshal.FreeHGlobal(_pythonHome);
87-
}
93+
Marshal.FreeHGlobal(_pythonHome);
8894
_pythonHome=Runtime.IsPython3
8995
?UcsMarshaler.GetInstance("").MarshalManagedToNative(value)
9096
:Marshal.StringToHGlobalAnsi(value);
@@ -103,7 +109,14 @@ public static string PythonPath
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104110
returnresult??"";
105111
}
106-
set{Runtime.Py_SetPath(value);}
112+
set
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{
114+
Marshal.FreeHGlobal(_pythonPath);
115+
_pythonPath=Runtime.IsPython3
116+
?UcsMarshaler.GetInstance("").MarshalManagedToNative(value)
117+
:Marshal.StringToHGlobalAnsi(value);
118+
Runtime.Py_SetPath(_pythonPath);
119+
}
107120
}
108121

109122
publicstaticstringVersion
@@ -297,6 +310,11 @@ public static void Shutdown()
297310
{
298311
Marshal.FreeHGlobal(_pythonHome);
299312
_pythonHome=IntPtr.Zero;
313+
Marshal.FreeHGlobal(_programName);
314+
_programName=IntPtr.Zero;
315+
Marshal.FreeHGlobal(_pythonPath);
316+
_pythonPath=IntPtr.Zero;
317+
300318
Runtime.Shutdown();
301319
initialized=false;
302320
}

‎src/runtime/runtime.cs

Lines changed: 4 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -686,9 +686,7 @@ public static extern int Py_Main(
686686
internalstaticexternIntPtr Py_GetProgramName();
687687

688688
[DllImport(PythonDll)]
689-
internalstaticexternvoidPy_SetProgramName(
690-
[MarshalAs(UnmanagedType.LPWStr)]stringname
691-
);
689+
internalstaticexternvoidPy_SetProgramName(IntPtrname);
692690

693691
[DllImport(PythonDll)]
694692
internalstaticexternIntPtr Py_GetPythonHome();
@@ -700,15 +698,13 @@ internal static extern void Py_SetProgramName(
700698
internalstaticexternIntPtr Py_GetPath();
701699

702700
[DllImport(PythonDll)]
703-
internalstaticexternvoidPy_SetPath(
704-
[MarshalAs(UnmanagedType.LPWStr)]stringhome
705-
);
701+
internalstaticexternvoidPy_SetPath(IntPtrhome);
706702
#elifPYTHON2
707703
[DllImport(PythonDll)]
708704
internalstaticexternIntPtr Py_GetProgramName();
709705

710706
[DllImport(PythonDll)]
711-
internalstaticexternvoidPy_SetProgramName(stringname);
707+
internalstaticexternvoidPy_SetProgramName(IntPtrname);
712708

713709
[DllImport(PythonDll)]
714710
internalstaticexternIntPtr Py_GetPythonHome();
@@ -720,7 +716,7 @@ internal static extern void Py_SetPath(
720716
internalstaticexternIntPtr Py_GetPath();
721717

722718
[DllImport(PythonDll)]
723-
internalstaticexternvoidPy_SetPath(stringhome);
719+
internalstaticexternvoidPy_SetPath(IntPtrhome);
724720
#endif
725721

726722
[DllImport(PythonDll)]

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