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Copy pathruntime.cs
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2227 lines (1836 loc) · 86.4 KB
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using System;
using System.Runtime.InteropServices;
using System.Security;
#if UCS4
using System.Text;
using Mono.Unix;
#elif UCS2 && PYTHON3
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();
#elif MONO_LINUX
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 // Windows
[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;
#elif UCS2
public const int UCS = 2;
#else
#error You must define either UCS2 or UCS4!
#endif
#if PYTHON27
public const string pyversion = "2.7";
public const int pyversionnumber = 27;
#elif PYTHON33
public const string pyversion = "3.3";
public const int pyversionnumber = 33;
#elif PYTHON34
public const string pyversion = "3.4";
public const int pyversionnumber = 34;
#elif PYTHON35
public const string pyversion = "3.5";
public const int pyversionnumber = 35;
#elif PYTHON36
public const string pyversion = "3.6";
public const int pyversionnumber = 36;
#elif PYTHON37
// TODO: Add interop37 after Python3.7 is released
public const string pyversion = "3.7";
public const int pyversionnumber = 37;
#else
#error You must define one of PYTHON33 to PYTHON37 or PYTHON27
#endif
#if MONO_LINUX || MONO_OSX
#if PYTHON27
internal const string dllBase = "python27";
#elif PYTHON33
internal const string dllBase = "python3.3";
#elif PYTHON34
internal const string dllBase = "python3.4";
#elif PYTHON35
internal const string dllBase = "python3.5";
#elif PYTHON36
internal const string dllBase = "python3.6";
#elif PYTHON37
internal const string dllBase = "python3.7";
#endif
#else // Windows
#if PYTHON27
internal const string dllBase = "python27";
#elif PYTHON33
internal const string dllBase = "python33";
#elif PYTHON34
internal const string dllBase = "python34";
#elif PYTHON35
internal const string dllBase = "python35";
#elif PYTHON36
internal const string dllBase = "python36";
#elif PYTHON37
internal const string dllBase = "python37";
#endif
#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 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 PYTHON3
IntPtr op = Runtime.PyImport_ImportModule("builtins");
IntPtr dict = Runtime.PyObject_GetAttrString(op, "__dict__");
#elif PYTHON2
IntPtr dict = Runtime.PyImport_GetModuleDict();
IntPtr op = Runtime.PyDict_GetItemString(dict, "__builtin__");
#endif
PyNotImplemented = Runtime.PyObject_GetAttrString(op, "NotImplemented");
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.XDecref(op);
// For some arcane reason, builtins.__dict__.__setitem__ is *not*
// a wrapper_descriptor, even though dict.__setitem__ is.
//
// object.__init__ seems safe, though.
op = Runtime.PyObject_GetAttrString(PyBaseObjectType, "__init__");
PyWrapperDescriptorType = Runtime.PyObject_Type(op);
Runtime.XDecref(op);
#if PYTHON3
Runtime.XDecref(dict);
#endif
op = Runtime.PyString_FromString("string");
PyStringType = Runtime.PyObject_Type(op);
Runtime.XDecref(op);
op = Runtime.PyUnicode_FromString("unicode");
PyUnicodeType = Runtime.PyObject_Type(op);
Runtime.XDecref(op);
#if PYTHON3
op = Runtime.PyBytes_FromString("bytes");
PyBytesType = Runtime.PyObject_Type(op);
Runtime.XDecref(op);
#endif
op = Runtime.PyTuple_New(0);
PyTupleType = Runtime.PyObject_Type(op);
Runtime.XDecref(op);
op = Runtime.PyList_New(0);
PyListType = Runtime.PyObject_Type(op);
Runtime.XDecref(op);
op = Runtime.PyDict_New();
PyDictType = Runtime.PyObject_Type(op);
Runtime.XDecref(op);
op = Runtime.PyInt_FromInt32(0);
PyIntType = Runtime.PyObject_Type(op);
Runtime.XDecref(op);
op = Runtime.PyLong_FromLong(0);
PyLongType = Runtime.PyObject_Type(op);
Runtime.XDecref(op);
op = Runtime.PyFloat_FromDouble(0);
PyFloatType = Runtime.PyObject_Type(op);
Runtime.XDecref(op);
#if PYTHON3
PyClassType = IntPtr.Zero;
PyInstanceType = IntPtr.Zero;
#elif PYTHON2
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.XDecref(s);
Runtime.XDecref(i);
Runtime.XDecref(c);
Runtime.XDecref(d);
#endif
Error = new IntPtr(-1);
#if PYTHON3
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
#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.XDecref(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 PyWrapperDescriptorType;
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 PYTHON3
internal static IntPtr PyBytesType;
internal static IntPtr _PyObject_NextNotImplemented;
#endif
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 const int Py_GE = 5;
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.XIncref(obj);
for (int i = 0; i < size; i++)
{
IntPtr item = Runtime.PyTuple_GetItem(args, i);
Runtime.XIncref(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.XIncref(item);
Runtime.PyTuple_SetItem(items, i, item);
}
for (int n = 0; n < add; n++)
{
item = args[n];
Runtime.XIncref(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.XIncref(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.XDecref(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 XIncref(IntPtr op)
{
#if Py_DEBUG
// according to Python doc, Py_IncRef() is Py_XINCREF()
Py_IncRef(op);
return;
#else
void* p = (void*)op;
if ((void*)0 != p)
{
if (is32bit)
{
(*(int*)p)++;
}
else
{
(*(long*)p)++;
}
}
#endif
}
internal static unsafe void XDecref(IntPtr op)
{
#if Py_DEBUG
// Py_DecRef calls Python's Py_DECREF
// according to Python doc, Py_DecRef() is Py_XDECREF()
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 PYTHON3
[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);
#elif PYTHON2
[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 PYTHON3
[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);
#elif PYTHON2
[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.XIncref(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);
[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,
ExactSpelling = true, CharSet = CharSet.Ansi)]
internal unsafe static extern IntPtr
PyObject_GetItem(IntPtr pointer, IntPtr key);
[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,
ExactSpelling = true, CharSet = CharSet.Ansi)]
internal unsafe static extern int
PyObject_SetItem(IntPtr pointer, IntPtr key, IntPtr value);
[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,
ExactSpelling = true, CharSet = CharSet.Ansi)]
internal unsafe static extern int
PyObject_DelItem(IntPtr pointer, IntPtr key);
[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,
ExactSpelling = true, CharSet = CharSet.Ansi)]
internal unsafe static extern IntPtr
PyObject_GetIter(IntPtr op);
[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,
ExactSpelling = true, CharSet = CharSet.Ansi)]
internal unsafe static extern IntPtr
PyObject_Call(IntPtr pointer, IntPtr args, IntPtr kw);
[DllImport(Runtime.dll, CallingConvention = CallingConvention.Cdecl,
ExactSpelling = true, CharSet = CharSet.Ansi)]
internal unsafe static extern IntPtr
PyObject_CallObject(IntPtr pointer, IntPtr args);
#if PYTHON3
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern int
PyObject_RichCompareBool(IntPtr value1, IntPtr value2, int opid);
internal static int PyObject_Compare(IntPtr value1, IntPtr value2) {
int res;
res = PyObject_RichCompareBool(value1, value2, Py_LT);
if (-1 == res)
return -1;
else if (1 == res)
return -1;
res = PyObject_RichCompareBool(value1, value2, Py_EQ);
if (-1 == res)
return -1;
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