pythonnet/src/runtime/runtime.cs at v2.2.0-dev1 · attackgithub/pythonnet · GitHub

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using System;

using System.Runtime.InteropServices;

using System.Security;

#if (UCS4)

using System.Text;

using Mono.Unix;

#endif

#if (UCS2 && (PYTHON32 || PYTHON33 || PYTHON34 || PYTHON35))

using System.Text;

#endif

namespace Python.Runtime

{

[SuppressUnmanagedCodeSecurityAttribute()]

static class NativeMethods

{

#if (MONO_LINUX || MONO_OSX)

static public IntPtr LoadLibrary(string fileName) {

return dlopen(fileName, RTLD_NOW | RTLD_SHARED);

}

static public void FreeLibrary(IntPtr handle) {

dlclose(handle);

}

static public IntPtr GetProcAddress(IntPtr dllHandle, string name) {

// look in the exe if dllHandle is NULL

if (IntPtr.Zero == dllHandle)

dllHandle = RTLD_DEFAULT;

// clear previous errors if any

dlerror();

var res = dlsym(dllHandle, name);

var errPtr = dlerror();

if (errPtr != IntPtr.Zero) {

throw new Exception("dlsym: " + Marshal.PtrToStringAnsi(errPtr));

}

return res;

}

#if (MONO_OSX)

static int RTLD_NOW = 0x2;

static int RTLD_SHARED = 0x20;

static IntPtr RTLD_DEFAULT = new IntPtr(-2);

[DllImport("__Internal")]

private static extern IntPtr dlopen(String fileName, int flags);

[DllImport("__Internal")]

private static extern IntPtr dlsym(IntPtr handle, String symbol);

[DllImport("__Internal")]

private static extern int dlclose(IntPtr handle);

[DllImport("__Internal")]

private static extern IntPtr dlerror();

#else

static int RTLD_NOW = 0x2;

static int RTLD_SHARED = 0x20;

static IntPtr RTLD_DEFAULT = IntPtr.Zero;

[DllImport("libdl.so")]

private static extern IntPtr dlopen(String fileName, int flags);

[DllImport("libdl.so")]

private static extern IntPtr dlsym(IntPtr handle, String symbol);

[DllImport("libdl.so")]

private static extern int dlclose(IntPtr handle);

[DllImport("libdl.so")]

private static extern IntPtr dlerror();

#endif

#else

[DllImport("kernel32.dll")]

public static extern IntPtr LoadLibrary(string dllToLoad);

[DllImport("kernel32.dll")]

public static extern IntPtr GetProcAddress(IntPtr hModule, string procedureName);

[DllImport("kernel32.dll")]

public static extern bool FreeLibrary(IntPtr hModule);

#endif

}

public class Runtime

{

/// <summary>

/// Encapsulates the low-level Python C API. Note that it is

/// the responsibility of the caller to have acquired the GIL

/// before calling any of these methods.

/// </summary>

#if (UCS4)

public const int UCS = 4;

#endif

#if (UCS2)

public const int UCS = 2;

#endif

#if ! (UCS2 || UCS4)

#error You must define either UCS2 or UCS4!

#endif

#if (PYTHON23)

public const string pyversion = "2.3";

public const int pyversionnumber = 23;

#endif

#if (PYTHON24)

public const string pyversion = "2.4";

public const int pyversionnumber = 24;

#endif

#if (PYTHON25)

public const string pyversion = "2.5";

public const int pyversionnumber = 25;

#endif

#if (PYTHON26)

public const string pyversion = "2.6";

public const int pyversionnumber = 26;

#endif

#if (PYTHON27)

public const string pyversion = "2.7";

public const int pyversionnumber = 27;

#endif

#if (PYTHON32)

public const string pyversion = "3.2";

public const int pyversionnumber = 32;

#endif

#if (PYTHON33)

public const string pyversion = "3.3";

public const int pyversionnumber = 33;

#endif

#if (PYTHON34)

public const string pyversion = "3.4";

public const int pyversionnumber = 34;

#endif

#if (PYTHON35)

public const string pyversion = "3.5";

public const int pyversionnumber = 35;

#endif

#if ! (PYTHON23 || PYTHON24 || PYTHON25 || PYTHON26 || PYTHON27 || PYTHON32 || PYTHON33 || PYTHON34 || PYTHON35)

#error You must define one of PYTHON23 to PYTHON35

#endif

#if (PYTHON23)

internal const string dllBase = "python23";

#endif

#if (PYTHON24)

internal const string dllBase = "python24";

#endif

#if (PYTHON25)

internal const string dllBase = "python25";

#endif

#if (PYTHON26)

internal const string dllBase = "python26";

#endif

#if (PYTHON27)

internal const string dllBase = "python27";

#endif

#if (MONO_LINUX || MONO_OSX)

#if (PYTHON32)

internal const string dllBase = "python3.2";

#endif

#if (PYTHON33)

internal const string dllBase = "python3.3";

#endif

#if (PYTHON34)

internal const string dllBase = "python3.4";

#endif

#if (PYTHON35)

internal const string dllBase = "python3.5";

#endif

#else

#if (PYTHON32)

internal const string dllBase = "python32";

#endif

#if (PYTHON33)

internal const string dllBase = "python33";

#endif

#if (PYTHON34)

internal const string dllBase = "python34";

#endif

#if (PYTHON35)

internal const string dllBase = "python35";

#endif

#if (PYTHON_WITH_PYDEBUG)

internal const string dllWithPyDebug = "d";

#else

internal const string dllWithPyDebug = "";

#endif

#if (PYTHON_WITH_PYMALLOC)

internal const string dllWithPyMalloc = "m";

#else

internal const string dllWithPyMalloc = "";

#endif

#if (PYTHON_WITH_WIDE_UNICODE)

internal const string dllWithWideUnicode = "u";

#else

internal const string dllWithWideUnicode = "";

#endif

#if (PYTHON_WITHOUT_ENABLE_SHARED)

public const string dll = "__Internal";

#else

public const string dll = dllBase + dllWithPyDebug + dllWithPyMalloc + dllWithWideUnicode;

#endif

// set to true when python is finalizing

internal static Object IsFinalizingLock = new Object();

internal static bool IsFinalizing = false;

internal static bool wrap_exceptions;

internal static bool is32bit;

/// <summary>

/// Intitialize the runtime...

/// </summary>

internal static void Initialize()

{

is32bit = IntPtr.Size == 4;

if (0 == Runtime.Py_IsInitialized())

{

Runtime.Py_Initialize();

}

if (0 == Runtime.PyEval_ThreadsInitialized())

{

Runtime.PyEval_InitThreads();

}

#if (PYTHON32 || PYTHON33 || PYTHON34 || PYTHON35)

IntPtr op = Runtime.PyImport_ImportModule("builtins");

IntPtr dict = Runtime.PyObject_GetAttrString(op, "__dict__");

PyNotImplemented = Runtime.PyObject_GetAttrString(op, "NotImplemented");

#else

IntPtr dict = Runtime.PyImport_GetModuleDict();

IntPtr op = Runtime.PyDict_GetItemString(dict, "__builtin__");

#endif

PyBaseObjectType = Runtime.PyObject_GetAttrString(op, "object");

PyModuleType = Runtime.PyObject_Type(op);

PyNone = Runtime.PyObject_GetAttrString(op, "None");

PyTrue = Runtime.PyObject_GetAttrString(op, "True");

PyFalse = Runtime.PyObject_GetAttrString(op, "False");

PyBoolType = Runtime.PyObject_Type(PyTrue);

PyNoneType = Runtime.PyObject_Type(PyNone);

PyTypeType = Runtime.PyObject_Type(PyNoneType);

op = Runtime.PyObject_GetAttrString(dict, "keys");

PyMethodType = Runtime.PyObject_Type(op);

Runtime.Decref(op);

#if (PYTHON32 || PYTHON33 || PYTHON34 || PYTHON35)

Runtime.Decref(dict);

Runtime.Decref(op);

#endif

op = Runtime.PyString_FromString("string");

PyStringType = Runtime.PyObject_Type(op);

Runtime.Decref(op);

op = Runtime.PyUnicode_FromString("unicode");

PyUnicodeType = Runtime.PyObject_Type(op);

Runtime.Decref(op);

#if (PYTHON32 || PYTHON33 || PYTHON34 || PYTHON35)

op = Runtime.PyBytes_FromString("bytes");

PyBytesType = Runtime.PyObject_Type(op);

Runtime.Decref(op);

#endif

op = Runtime.PyTuple_New(0);

PyTupleType = Runtime.PyObject_Type(op);

Runtime.Decref(op);

op = Runtime.PyList_New(0);

PyListType = Runtime.PyObject_Type(op);

Runtime.Decref(op);

op = Runtime.PyDict_New();

PyDictType = Runtime.PyObject_Type(op);

Runtime.Decref(op);

op = Runtime.PyInt_FromInt32(0);

PyIntType = Runtime.PyObject_Type(op);

Runtime.Decref(op);

op = Runtime.PyLong_FromLong(0);

PyLongType = Runtime.PyObject_Type(op);

Runtime.Decref(op);

op = Runtime.PyFloat_FromDouble(0);

PyFloatType = Runtime.PyObject_Type(op);

Runtime.Decref(op);

#if (PYTHON32 || PYTHON33 || PYTHON34 || PYTHON35)

PyClassType = IntPtr.Zero;

PyInstanceType = IntPtr.Zero;

#else

IntPtr s = Runtime.PyString_FromString("_temp");

IntPtr d = Runtime.PyDict_New();

IntPtr c = Runtime.PyClass_New(IntPtr.Zero, d, s);

PyClassType = Runtime.PyObject_Type(c);

IntPtr i = Runtime.PyInstance_New(c, IntPtr.Zero, IntPtr.Zero);

PyInstanceType = Runtime.PyObject_Type(i);

Runtime.Decref(s);

Runtime.Decref(i);

Runtime.Decref(c);

Runtime.Decref(d);

#endif

Error = new IntPtr(-1);

#if (PYTHON32 || PYTHON33 || PYTHON34 || PYTHON35)

IntPtr dll = IntPtr.Zero;

if ("__Internal" != Runtime.dll) {

NativeMethods.LoadLibrary(Runtime.dll);

}

_PyObject_NextNotImplemented = NativeMethods.GetProcAddress(dll, "_PyObject_NextNotImplemented");

#if !(MONO_LINUX || MONO_OSX)

if (IntPtr.Zero != dll) {

NativeMethods.FreeLibrary(dll);

}

#endif

// Determine whether we need to wrap exceptions for versions of

// of the Python runtime that do not allow new-style classes to

// be used as exceptions (Python versions 2.4 and lower).

#if (PYTHON25 || PYTHON26 || PYTHON27 || PYTHON32 || PYTHON33 || PYTHON34 || PYTHON35)

wrap_exceptions = false;

#else

IntPtr m = PyImport_ImportModule("exceptions");

Exceptions.ErrorCheck(m);

op = Runtime.PyObject_GetAttrString(m, "Exception");

Exceptions.ErrorCheck(op);

if (Runtime.PyObject_TYPE(op) == PyClassType) {

wrap_exceptions = true;

}

Runtime.Decref(op);

Runtime.Decref(m);

#endif

// Initialize modules that depend on the runtime class.

AssemblyManager.Initialize();

PyCLRMetaType = MetaType.Initialize();

Exceptions.Initialize();

ImportHook.Initialize();

// Need to add the runtime directory to sys.path so that we

// can find built-in assemblies like System.Data, et. al.

string rtdir = RuntimeEnvironment.GetRuntimeDirectory();

IntPtr path = Runtime.PySys_GetObject("path");

IntPtr item = Runtime.PyString_FromString(rtdir);

Runtime.PyList_Append(path, item);

Runtime.Decref(item);

AssemblyManager.UpdatePath();

}

internal static void Shutdown()

{

AssemblyManager.Shutdown();

Exceptions.Shutdown();

ImportHook.Shutdown();

Py_Finalize();

}

// called *without* the GIL aquired by clr._AtExit

internal static int AtExit()

{

lock (IsFinalizingLock)

{

IsFinalizing = true;

}

return 0;

}

internal static IntPtr Py_single_input = (IntPtr)256;

internal static IntPtr Py_file_input = (IntPtr)257;

internal static IntPtr Py_eval_input = (IntPtr)258;

internal static IntPtr PyBaseObjectType;

internal static IntPtr PyModuleType;

internal static IntPtr PyClassType;

internal static IntPtr PyInstanceType;

internal static IntPtr PyCLRMetaType;

internal static IntPtr PyMethodType;

internal static IntPtr PyUnicodeType;

internal static IntPtr PyStringType;

internal static IntPtr PyTupleType;

internal static IntPtr PyListType;

internal static IntPtr PyDictType;

internal static IntPtr PyIntType;

internal static IntPtr PyLongType;

internal static IntPtr PyFloatType;

internal static IntPtr PyBoolType;

internal static IntPtr PyNoneType;

internal static IntPtr PyTypeType;

#if (PYTHON32 || PYTHON33 || PYTHON34 || PYTHON35)

internal static IntPtr PyBytesType;

internal static IntPtr PyNotImplemented;

internal const int Py_LT = 0;

internal const int Py_LE = 1;

internal const int Py_EQ = 2;

internal const int Py_NE = 3;

internal const int Py_GT = 4;

internal static IntPtr _PyObject_NextNotImplemented;

#endif

internal static IntPtr PyTrue;

internal static IntPtr PyFalse;

internal static IntPtr PyNone;

internal static IntPtr Error;

internal static IntPtr GetBoundArgTuple(IntPtr obj, IntPtr args)

{

if (Runtime.PyObject_TYPE(args) != Runtime.PyTupleType)

{

Exceptions.SetError(Exceptions.TypeError, "tuple expected");

return IntPtr.Zero;

}

int size = Runtime.PyTuple_Size(args);

IntPtr items = Runtime.PyTuple_New(size + 1);

Runtime.PyTuple_SetItem(items, 0, obj);

Runtime.Incref(obj);

for (int i = 0; i < size; i++)

{

IntPtr item = Runtime.PyTuple_GetItem(args, i);

Runtime.Incref(item);

Runtime.PyTuple_SetItem(items, i + 1, item);

}

return items;

}

internal static IntPtr ExtendTuple(IntPtr t, params IntPtr[] args)

{

int size = Runtime.PyTuple_Size(t);

int add = args.Length;

IntPtr item;

IntPtr items = Runtime.PyTuple_New(size + add);

for (int i = 0; i < size; i++)

{

item = Runtime.PyTuple_GetItem(t, i);

Runtime.Incref(item);

Runtime.PyTuple_SetItem(items, i, item);

}

for (int n = 0; n < add; n++)

{

item = args[n];

Runtime.Incref(item);

Runtime.PyTuple_SetItem(items, size + n, item);

}

return items;

}

internal static Type[] PythonArgsToTypeArray(IntPtr arg)

{

return PythonArgsToTypeArray(arg, false);

}

internal static Type[] PythonArgsToTypeArray(IntPtr arg, bool mangleObjects)

{

// Given a PyObject * that is either a single type object or a

// tuple of (managed or unmanaged) type objects, return a Type[]

// containing the CLR Type objects that map to those types.

IntPtr args = arg;

bool free = false;

if (!Runtime.PyTuple_Check(arg))

{

args = Runtime.PyTuple_New(1);

Runtime.Incref(arg);

Runtime.PyTuple_SetItem(args, 0, arg);

free = true;

}

int n = Runtime.PyTuple_Size(args);

Type[] types = new Type[n];

Type t = null;

for (int i = 0; i < n; i++)

{

IntPtr op = Runtime.PyTuple_GetItem(args, i);

if (mangleObjects && (!Runtime.PyType_Check(op)))

{

op = Runtime.PyObject_TYPE(op);

}

ManagedType mt = ManagedType.GetManagedObject(op);

if (mt is ClassBase)

{

t = ((ClassBase)mt).type;

}

else if (mt is CLRObject)

{

object inst = ((CLRObject)mt).inst;

if (inst is Type)

{

t = inst as Type;

}

else

{

t = Converter.GetTypeByAlias(op);

}

if (t == null)

{

types = null;

break;

}

types[i] = t;

}

if (free)

{

Runtime.Decref(args);

}

return types;

}

//===================================================================

// Managed exports of the Python C API. Where appropriate, we do

// some optimization to avoid managed <--> unmanaged transitions

// (mostly for heavily used methods).

//===================================================================

internal unsafe static void Incref(IntPtr op)

{

#if (Py_DEBUG)

Py_IncRef(op);

return;

#else

void* p = (void*)op;

if ((void*)0 != p)

{

if (is32bit)

{

(*(int*)p)++;

}

else

{

(*(long*)p)++;

}

#endif

}

internal unsafe static void Decref(IntPtr op)

{

if (op == IntPtr.Zero)

{

DebugUtil.Print("Decref(NULL)");

}

#if (Py_DEBUG)

// Py_DecRef calls Python's Py_DECREF

Py_DecRef(op);

return;

#else

void* p = (void*)op;

if ((void*)0 != p)

{

if (is32bit)

{

--(*(int*)p);

}

else

{

--(*(long*)p);

}

if ((*(int*)p) == 0)

{

// PyObject_HEAD: struct _typeobject *ob_type

void* t = is32bit

? (void*)(*((uint*)p + 1))

: (void*)(*((ulong*)p + 1));

// PyTypeObject: destructor tp_dealloc

void* f = is32bit

? (void*)(*((uint*)t + 6))

: (void*)(*((ulong*)t + 6));

if ((void*)0 == f)

{

return;

}

NativeCall.Impl.Void_Call_1(new IntPtr(f), op);

return;

}

#endif

}

internal unsafe static long Refcount(IntPtr op)

{

void* p = (void*)op;

if ((void*)0 != p)

{

if (is32bit)

{

return (*(int*)p);

}

else

{

return (*(long*)p);

}

return 0;

}

#if (Py_DEBUG)

// Py_IncRef and Py_DecRef are taking care of the extra payload

// in Py_DEBUG builds of Python like _Py_RefTotal

[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,

ExactSpelling=true, CharSet=CharSet.Ansi)]

private unsafe static extern void

Py_IncRef(IntPtr ob);

[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,

ExactSpelling=true, CharSet=CharSet.Ansi)]

private unsafe static extern void

Py_DecRef(IntPtr ob);

#endif

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern void

Py_Initialize();

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern int

Py_IsInitialized();

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern void

Py_Finalize();

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern IntPtr

Py_NewInterpreter();

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern void

Py_EndInterpreter(IntPtr threadState);

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern IntPtr

PyThreadState_New(IntPtr istate);

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern IntPtr

PyThreadState_Get();

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern IntPtr

PyThread_get_key_value(IntPtr key);

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern int

PyThread_get_thread_ident();

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern int

PyThread_set_key_value(IntPtr key, IntPtr value);

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern IntPtr

PyThreadState_Swap(IntPtr key);

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern IntPtr

PyGILState_Ensure();

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern void

PyGILState_Release(IntPtr gs);

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern IntPtr

PyGILState_GetThisThreadState();

#if (PYTHON32 || PYTHON33 || PYTHON34 || PYTHON35)

[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,

ExactSpelling=true, CharSet=CharSet.Ansi)]

public unsafe static extern int

Py_Main(int argc, [MarshalAsAttribute(UnmanagedType.LPArray, ArraySubType=UnmanagedType.LPWStr)] string[] argv);

#else

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

public unsafe static extern int

Py_Main(int argc, string[] argv);

#endif

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern void

PyEval_InitThreads();

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern int

PyEval_ThreadsInitialized();

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern void

PyEval_AcquireLock();

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern void

PyEval_ReleaseLock();

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern void

PyEval_AcquireThread(IntPtr tstate);

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern void

PyEval_ReleaseThread(IntPtr tstate);

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern IntPtr

PyEval_SaveThread();

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern void

PyEval_RestoreThread(IntPtr tstate);

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern IntPtr

PyEval_GetBuiltins();

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern IntPtr

PyEval_GetGlobals();

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern IntPtr

PyEval_GetLocals();

#if PYTHON32 || PYTHON33 || PYTHON34 || PYTHON35

[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,

ExactSpelling=true, CharSet=CharSet.Ansi)]

[return: MarshalAs(UnmanagedType.LPWStr)]

internal unsafe static extern string

Py_GetProgramName();

[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,

ExactSpelling=true, CharSet=CharSet.Ansi)]

internal unsafe static extern void

Py_SetProgramName([MarshalAsAttribute(UnmanagedType.LPWStr)]string name);

[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,

ExactSpelling=true, CharSet=CharSet.Ansi)]

[return: MarshalAs(UnmanagedType.LPWStr)]

internal unsafe static extern string

Py_GetPythonHome();

[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,

ExactSpelling=true, CharSet=CharSet.Ansi)]

internal unsafe static extern void

Py_SetPythonHome([MarshalAsAttribute(UnmanagedType.LPWStr)]string home);

[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,

ExactSpelling=true, CharSet=CharSet.Ansi)]

[return: MarshalAs(UnmanagedType.LPWStr)]

internal unsafe static extern string

Py_GetPath();

[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,

ExactSpelling=true, CharSet=CharSet.Ansi)]

internal unsafe static extern void

Py_SetPath([MarshalAsAttribute(UnmanagedType.LPWStr)]string home);

#else

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern string

Py_GetProgramName();

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern void

Py_SetProgramName(string name);

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern string

Py_GetPythonHome();

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern void

Py_SetPythonHome(string home);

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern string

Py_GetPath();

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern void

Py_SetPath(string home);

#endif

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern string

Py_GetVersion();

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern string

Py_GetPlatform();

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern string

Py_GetCopyright();

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern string

Py_GetCompiler();

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern string

Py_GetBuildInfo();

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern int

PyRun_SimpleString(string code);

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern IntPtr

PyRun_String(string code, IntPtr st, IntPtr globals, IntPtr locals);

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern IntPtr

Py_CompileString(string code, string file, IntPtr tok);

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern IntPtr

PyImport_ExecCodeModule(string name, IntPtr code);

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern IntPtr

PyCFunction_NewEx(IntPtr ml, IntPtr self, IntPtr mod);

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern IntPtr

PyCFunction_Call(IntPtr func, IntPtr args, IntPtr kw);

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern IntPtr

PyClass_New(IntPtr bases, IntPtr dict, IntPtr name);

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern IntPtr

PyInstance_New(IntPtr cls, IntPtr args, IntPtr kw);

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern IntPtr

PyInstance_NewRaw(IntPtr cls, IntPtr dict);

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern IntPtr

PyMethod_New(IntPtr func, IntPtr self, IntPtr cls);

//====================================================================

// Python abstract object API

//====================================================================

// A macro-like method to get the type of a Python object. This is

// designed to be lean and mean in IL & avoid managed <-> unmanaged

// transitions. Note that this does not incref the type object.

internal unsafe static IntPtr

PyObject_TYPE(IntPtr op)

{

void* p = (void*)op;

if ((void*)0 == p)

{

return IntPtr.Zero;

}

#if (Py_DEBUG)

int n = 3;

#else

int n = 1;

#endif

if (is32bit)

{

return new IntPtr((void*)(*((uint*)p + n)));

}

else

{

return new IntPtr((void*)(*((ulong*)p + n)));

}

// Managed version of the standard Python C API PyObject_Type call.

// This version avoids a managed <-> unmanaged transition. This one

// does incref the returned type object.

internal unsafe static IntPtr

PyObject_Type(IntPtr op)

{

IntPtr tp = PyObject_TYPE(op);

Runtime.Incref(tp);

return tp;

}

internal static string PyObject_GetTypeName(IntPtr op)

{

IntPtr pyType = Marshal.ReadIntPtr(op, ObjectOffset.ob_type);

IntPtr ppName = Marshal.ReadIntPtr(pyType, TypeOffset.tp_name);

return Marshal.PtrToStringAnsi(ppName);

}

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern int

PyObject_HasAttrString(IntPtr pointer, string name);

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern IntPtr

PyObject_GetAttrString(IntPtr pointer, string name);

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern int

PyObject_SetAttrString(IntPtr pointer, string name, IntPtr value);

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern int

PyObject_HasAttr(IntPtr pointer, IntPtr name);

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern IntPtr

PyObject_GetAttr(IntPtr pointer, IntPtr name);

[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,

ExactSpelling = true, CharSet = CharSet.Ansi)]

internal unsafe static extern int

PyObject_SetAttr(IntPtr pointer, IntPtr name, IntPtr value);

View remainder of file in raw view

pythonnet/src/runtime/runtime.cs at v2.2.0-dev1 · attackgithub/pythonnet · GitHub

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