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Add function to set Py_NoSiteFlag global variable to 1 by alexhelms · Pull Request #971 · pythonnet/pythonnet · GitHub
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Add function to set Py_NoSiteFlag global variable to 1 #971

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Merged
filmor merged 4 commits into from
Oct 23, 2019
Merged

Add function to set Py_NoSiteFlag global variable to 1 #971

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d7350e7
Add function to set Py_NoSiteFlag global variable to 1.
Oct 17, 2019
f074b8b
Add myself to authors, update changelog.
Oct 17, 2019
e341336
Merge branch 'master' into setnositeflag
filmor Oct 18, 2019
cc8b1c1
Remove 64-bit branch.
Oct 22, 2019
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Add function to set Py_NoSiteFlag global variable to 1.
  • Loading branch information
Alex Helms
Alex Helms committed Oct 17, 2019
commit d7350e73524844632d48612074fb269a5bfe6827
10 changes: 10 additions & 0 deletions src/runtime/pythonengine.cs
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Expand Up @@ -130,6 +130,16 @@ public static string Compiler
get { return Marshal.PtrToStringAnsi(Runtime.Py_GetCompiler()); }
}

/// <summary>
/// Set the NoSiteFlag to disable loading the site module.
/// Must be called before Initialize.
/// https://docs.python.org/3/c-api/init.html#c.Py_NoSiteFlag
/// </summary>
public static void SetNoSiteFlag()
{
Runtime.SetNoSiteFlag();
}

public static int RunSimpleString(string code)
{
return Runtime.PyRun_SimpleString(code);
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30 changes: 30 additions & 0 deletions src/runtime/runtime.cs
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Expand Up @@ -414,6 +414,8 @@ internal static int AtExit()
internal static IntPtr PyNoneType;
internal static IntPtr PyTypeType;

internal static IntPtr Py_NoSiteFlag;

#if PYTHON3
internal static IntPtr PyBytesType;
#endif
Expand Down Expand Up @@ -1884,5 +1886,33 @@ internal static IntPtr PyMem_Realloc(IntPtr ptr, long size)

[DllImport(_PythonDll, CallingConvention = CallingConvention.Cdecl)]
internal static extern int Py_MakePendingCalls();

internal static void SetNoSiteFlag()
{
var loader = LibraryLoader.Get(OperatingSystem);

IntPtr dllLocal;
if (_PythonDll != "__Internal")
{
dllLocal = loader.Load(_PythonDll);
}

try
{
Py_NoSiteFlag = loader.GetFunction(dllLocal, "Py_NoSiteFlag");

if (Is32Bit)
Marshal.WriteInt32(Py_NoSiteFlag, 1);
else
Marshal.WriteInt64(Py_NoSiteFlag, 1);
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}
finally
{
if (dllLocal != IntPtr.Zero)
{
loader.Free(dllLocal);
}
}
}
}
}