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Copy pathruntime.cs
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executable file
·1357 lines (1059 loc) · 47.4 KB
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// ==========================================================================
// This software is subject to the provisions of the Zope Public License,
// Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution.
// THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
// WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
// FOR A PARTICULAR PURPOSE.
// ==========================================================================
using System;
using System.Runtime.InteropServices;
using System.Security;
namespace Python.Runtime {
[SuppressUnmanagedCodeSecurityAttribute()]
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>
internal const string dll = "python24";
internal static bool wrap_exceptions;
internal static bool is32bit;
internal static void Initialize() {
is32bit = IntPtr.Size == 4;
Runtime.Py_Initialize();
Runtime.PyEval_InitThreads();
IntPtr dict = Runtime.PyImport_GetModuleDict();
IntPtr op = Runtime.PyDict_GetItemString(dict, "__builtin__");
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);
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);
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);
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);
Error = new IntPtr(-1);
// 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).
IntPtr m = PyImport_ImportModule("exceptions");
op = Runtime.PyObject_GetAttrString(m, "Exception");
if (Runtime.PyObject_TYPE(op) == PyClassType) {
wrap_exceptions = true;
}
Runtime.Decref(op);
Runtime.Decref(m);
//wrap_exceptions = false;
// Initialize modules that depend on the runtime class.
AssemblyManager.Initialize();
PyCLRMetaType = MetaType.Initialize();
Exceptions.Initialize();
ImportHook.Initialize();
}
internal static void Shutdown() {
AssemblyManager.Shutdown();
Exceptions.Shutdown();
ImportHook.Shutdown();
Py_Finalize();
}
internal static IntPtr Py_file_input = (IntPtr)257;
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;
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;
int total = size + add;
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;
}
//===================================================================
// 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) {
void *p = (void *)op;
if ((void *)0 != p) {
if (is32bit) { (*(int *)p)++; }
else { (*(long *)p)++; }
}
}
internal unsafe static void Decref(IntPtr op) {
void *p = (void *)op;
if ((void *)0 != p) {
if (is32bit) { --(*(int *)p); }
else { --(*(long *)p); }
if ((*(int *)p) == 0) {
void *t = is32bit ? (void *)(*((uint *)p + 1)) :
(void *)(*((ulong *)p + 1));
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;
}
}
}
[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();
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
public unsafe static extern int
Py_Main(int argc, string[] argv);
[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 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();
[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_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_New(IntPtr ml, IntPtr self);
[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 (is32bit) {
return new IntPtr((void *)(*((uint *)p + 1)));
}
else {
return new IntPtr((void *)(*((ulong *)p + 1)));
}
}
// 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, IntPtr.Size);
IntPtr ppName = Marshal.ReadIntPtr(pyType, (3 * IntPtr.Size));
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);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern int
PyObject_Compare(IntPtr value1, IntPtr value2);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern int
PyObject_IsInstance(IntPtr ob, IntPtr type);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern int
PyObject_IsSubclass(IntPtr ob, IntPtr type);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern int
PyCallable_Check(IntPtr pointer);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern int
PyObject_IsTrue(IntPtr pointer);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern int
PyObject_Size(IntPtr pointer);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PyObject_Hash(IntPtr op);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PyObject_Repr(IntPtr pointer);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PyObject_Str(IntPtr pointer);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PyObject_Dir(IntPtr pointer);
//====================================================================
// Python number API
//====================================================================
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PyNumber_Int(IntPtr ob);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PyNumber_Long(IntPtr ob);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PyNumber_Float(IntPtr ob);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern bool
PyNumber_Check(IntPtr ob);
internal static bool PyInt_Check(IntPtr ob) {
return PyObject_TypeCheck(ob, Runtime.PyIntType);
}
internal static bool PyBool_Check(IntPtr ob) {
return PyObject_TypeCheck(ob, Runtime.PyBoolType);
}
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
private unsafe static extern IntPtr
PyInt_FromLong(IntPtr value);
internal static IntPtr PyInt_FromInt32(int value) {
IntPtr v = new IntPtr(value);
return PyInt_FromLong(v);
}
internal static IntPtr PyInt_FromInt64(long value) {
IntPtr v = new IntPtr(value);
return PyInt_FromLong(v);
}
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern int
PyInt_AsLong(IntPtr value);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PyInt_FromString(string value, IntPtr end, int radix);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern int
PyInt_GetMax();
internal static bool PyLong_Check(IntPtr ob) {
return PyObject_TYPE(ob) == Runtime.PyLongType;
}
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PyLong_FromLong(long value);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PyLong_FromUnsignedLong(uint value);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PyLong_FromDouble(double value);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PyLong_FromLongLong(long value);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PyLong_FromUnsignedLongLong(ulong value);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PyLong_FromString(string value, IntPtr end, int radix);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern int
PyLong_AsLong(IntPtr value);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern uint
PyLong_AsUnsignedLong(IntPtr value);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern long
PyLong_AsLongLong(IntPtr value);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern ulong
PyLong_AsUnsignedLongLong(IntPtr value);
internal static bool PyFloat_Check(IntPtr ob) {
return PyObject_TYPE(ob) == Runtime.PyFloatType;
}
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PyFloat_FromDouble(double value);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PyFloat_FromString(IntPtr value, IntPtr junk);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern double
PyFloat_AsDouble(IntPtr ob);
//====================================================================
// Python sequence API
//====================================================================
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern bool
PySequence_Check(IntPtr pointer);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PySequence_GetItem(IntPtr pointer, int index);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern int
PySequence_SetItem(IntPtr pointer, int index, IntPtr value);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern int
PySequence_DelItem(IntPtr pointer, int index);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PySequence_GetSlice(IntPtr pointer, int i1, int i2);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern int
PySequence_SetSlice(IntPtr pointer, int i1, int i2, IntPtr v);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern int
PySequence_DelSlice(IntPtr pointer, int i1, int i2);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern int
PySequence_Size(IntPtr pointer);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern int
PySequence_Contains(IntPtr pointer, IntPtr item);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PySequence_Concat(IntPtr pointer, IntPtr other);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PySequence_Repeat(IntPtr pointer, int count);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern int
PySequence_Index(IntPtr pointer, IntPtr item);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern int
PySequence_Count(IntPtr pointer, IntPtr value);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PySequence_Tuple(IntPtr pointer);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PySequence_List(IntPtr pointer);
//====================================================================
// Python string API
//====================================================================
internal static bool IsStringType(IntPtr op) {
IntPtr t = PyObject_TYPE(op);
return (t == PyStringType) || (t == PyUnicodeType);
}
internal static bool PyString_Check(IntPtr ob) {
return PyObject_TYPE(ob) == Runtime.PyStringType;
}
internal static IntPtr PyString_FromString(string value) {
return PyString_FromStringAndSize(value, value.Length);
}
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PyString_FromStringAndSize(string value, int size);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
EntryPoint="PyString_AsString",
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PyString_AS_STRING(IntPtr op);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern int
PyString_Size(IntPtr pointer);
internal static bool PyUnicode_Check(IntPtr ob) {
return PyObject_TYPE(ob) == Runtime.PyUnicodeType;
}
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
EntryPoint="PyUnicodeUCS2_FromObject",
ExactSpelling=true, CharSet=CharSet.Unicode)]
internal unsafe static extern IntPtr
PyUnicode_FromObject(IntPtr ob);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
EntryPoint="PyUnicodeUCS2_FromEncodedObject",
ExactSpelling=true, CharSet=CharSet.Unicode)]
internal unsafe static extern IntPtr
PyUnicode_FromEncodedObject(IntPtr ob, IntPtr enc, IntPtr err);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
EntryPoint="PyUnicodeUCS2_FromUnicode",
ExactSpelling=true, CharSet=CharSet.Unicode)]
internal unsafe static extern IntPtr
PyUnicode_FromUnicode(string s, int size);
internal static IntPtr PyUnicode_FromString(string s) {
return PyUnicode_FromUnicode(s, (s.Length));
}
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
EntryPoint="PyUnicodeUCS2_GetSize",
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern int
PyUnicode_GetSize(IntPtr ob);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
EntryPoint="PyUnicodeUCS2_AsUnicode",
ExactSpelling=true)]
internal unsafe static extern char *
PyUnicode_AsUnicode(IntPtr ob);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
EntryPoint="PyUnicodeUCS2_AsUnicode",
ExactSpelling=true, CharSet=CharSet.Unicode)]
internal unsafe static extern IntPtr
PyUnicode_AS_UNICODE(IntPtr op);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
EntryPoint="PyUnicodeUCS2_FromOrdinal",
ExactSpelling=true, CharSet=CharSet.Unicode)]
internal unsafe static extern IntPtr
PyUnicode_FromOrdinal(int c);
internal unsafe static string GetManagedString(IntPtr op) {
IntPtr type = PyObject_TYPE(op);
if (type == Runtime.PyStringType) {
return Marshal.PtrToStringAnsi(
PyString_AS_STRING(op),
Runtime.PyString_Size(op)
);
}
if (type == Runtime.PyUnicodeType) {
char *p = Runtime.PyUnicode_AsUnicode(op);
int size = Runtime.PyUnicode_GetSize(op);
return new String(p, 0, size);
}
return null;
}
//====================================================================
// Python dictionary API
//====================================================================
internal static bool PyDict_Check(IntPtr ob) {
return PyObject_TYPE(ob) == Runtime.PyDictType;
}
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PyDict_New();
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PyDictProxy_New(IntPtr dict);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PyDict_GetItem(IntPtr pointer, IntPtr key);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PyDict_GetItemString(IntPtr pointer, string key);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern int
PyDict_SetItem(IntPtr pointer, IntPtr key, IntPtr value);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern int
PyDict_SetItemString(IntPtr pointer, string key, IntPtr value);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern int
PyDict_DelItem(IntPtr pointer, IntPtr key);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern int
PyMapping_HasKey(IntPtr pointer, IntPtr key);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PyDict_Keys(IntPtr pointer);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,
ExactSpelling=true, CharSet=CharSet.Ansi)]
internal unsafe static extern IntPtr
PyDict_Values(IntPtr pointer);
[DllImport(Runtime.dll, CallingConvention=CallingConvention.Cdecl,