C++ PyErr_Clear函数代码示例

// this code is heavily adapted from the paint license, which is in
// the file paint.license (BSD compatible) included in this
// distribution.  TODO, add license file to MANIFEST.in and CVS
Py::Object _png_module::write_png(const Py::Tuple& args)
{
    args.verify_length(4, 5);

    FILE *fp = NULL;
    bool close_file = false;
    Py::Object buffer_obj = Py::Object(args[0]);
    PyObject* buffer = buffer_obj.ptr();
    if (!PyObject_CheckReadBuffer(buffer))
    {
        throw Py::TypeError("First argument must be an rgba buffer.");
    }

    const void* pixBufferPtr = NULL;
    Py_ssize_t pixBufferLength = 0;
    if (PyObject_AsReadBuffer(buffer, &pixBufferPtr, &pixBufferLength))
    {
        throw Py::ValueError("Couldn't get data from read buffer.");
    }

    png_byte* pixBuffer = (png_byte*)pixBufferPtr;
    int width = (int)Py::Int(args[1]);
    int height = (int)Py::Int(args[2]);

    if (pixBufferLength < width * height * 4)
    {
        throw Py::ValueError("Buffer and width, height don't seem to match.");
    }

    Py::Object py_fileobj = Py::Object(args[3]);
#if PY3K
    int fd = PyObject_AsFileDescriptor(py_fileobj.ptr());
    PyErr_Clear();
#endif
    if (py_fileobj.isString())
    {
        std::string fileName = Py::String(py_fileobj);
        const char *file_name = fileName.c_str();
        if ((fp = fopen(file_name, "wb")) == NULL)
        {
            throw Py::RuntimeError(
                Printf("Could not open file %s", file_name).str());
        }
        close_file = true;
    }
#if PY3K
    else if (fd != -1)
    {
        fp = fdopen(fd, "w");
    }
#else
    else if (PyFile_CheckExact(py_fileobj.ptr()))
    {
        fp = PyFile_AsFile(py_fileobj.ptr());
    }
#endif
    else
    {
        PyObject* write_method = PyObject_GetAttrString(
            py_fileobj.ptr(), "write");
        if (!(write_method && PyCallable_Check(write_method)))
        {
            Py_XDECREF(write_method);
            throw Py::TypeError(
                "Object does not appear to be a 8-bit string path or a Python file-like object");
        }
        Py_XDECREF(write_method);
    }

    png_bytep *row_pointers = NULL;
    png_structp png_ptr = NULL;
    png_infop info_ptr = NULL;

    try
    {
        struct png_color_8_struct sig_bit;
        png_uint_32 row;

        row_pointers = new png_bytep[height];
        for (row = 0; row < (png_uint_32)height; ++row)
        {
            row_pointers[row] = pixBuffer + row * width * 4;
        }

        png_ptr = png_create_write_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
        if (png_ptr == NULL)
        {
            throw Py::RuntimeError("Could not create write struct");
        }

        info_ptr = png_create_info_struct(png_ptr);
        if (info_ptr == NULL)
        {
            throw Py::RuntimeError("Could not create info struct");
        }

        if (setjmp(png_jmpbuf(png_ptr)))
//.........这里部分代码省略.........

static PyObject *
meshFromShape(PyObject *self, PyObject *args, PyObject* kwds)
{
    try {
        PyObject *shape;

        static char* kwds_maxLength[] = {"Shape", "MaxLength",NULL};
        PyErr_Clear();
        double maxLength=0;
        if (PyArg_ParseTupleAndKeywords(args, kwds, "O!d", kwds_maxLength,
                                        &(Part::TopoShapePy::Type), &shape, &maxLength)) {
            MeshPart::Mesher mesher(static_cast<Part::TopoShapePy*>(shape)->getTopoShapePtr()->_Shape);
            mesher.setMethod(MeshPart::Mesher::Mefisto);
            mesher.setMaxLength(maxLength);
            mesher.setRegular(true);
            return new Mesh::MeshPy(mesher.createMesh());
        }

        static char* kwds_maxArea[] = {"Shape", "MaxArea",NULL};
        PyErr_Clear();
        double maxArea=0;
        if (PyArg_ParseTupleAndKeywords(args, kwds, "O!d", kwds_maxArea,
                                        &(Part::TopoShapePy::Type), &shape, &maxArea)) {
            MeshPart::Mesher mesher(static_cast<Part::TopoShapePy*>(shape)->getTopoShapePtr()->_Shape);
            mesher.setMethod(MeshPart::Mesher::Mefisto);
            mesher.setMaxArea(maxArea);
            mesher.setRegular(true);
            return new Mesh::MeshPy(mesher.createMesh());
        }

        static char* kwds_localLen[] = {"Shape", "LocalLength",NULL};
        PyErr_Clear();
        double localLen=0;
        if (PyArg_ParseTupleAndKeywords(args, kwds, "O!d", kwds_localLen,
                                        &(Part::TopoShapePy::Type), &shape, &localLen)) {
            MeshPart::Mesher mesher(static_cast<Part::TopoShapePy*>(shape)->getTopoShapePtr()->_Shape);
            mesher.setMethod(MeshPart::Mesher::Mefisto);
            mesher.setLocalLength(localLen);
            mesher.setRegular(true);
            return new Mesh::MeshPy(mesher.createMesh());
        }

        static char* kwds_deflection[] = {"Shape", "Deflection",NULL};
        PyErr_Clear();
        double deflection=0;
        if (PyArg_ParseTupleAndKeywords(args, kwds, "O!d", kwds_deflection,
                                        &(Part::TopoShapePy::Type), &shape, &deflection)) {
            MeshPart::Mesher mesher(static_cast<Part::TopoShapePy*>(shape)->getTopoShapePtr()->_Shape);
            mesher.setMethod(MeshPart::Mesher::Mefisto);
            mesher.setDeflection(deflection);
            mesher.setRegular(true);
            return new Mesh::MeshPy(mesher.createMesh());
        }

        static char* kwds_minmaxLen[] = {"Shape", "MinLength","MaxLength",NULL};
        PyErr_Clear();
        double minLen=0, maxLen=0;
        if (PyArg_ParseTupleAndKeywords(args, kwds, "O!dd", kwds_minmaxLen,
                                        &(Part::TopoShapePy::Type), &shape, &minLen, &maxLen)) {
            MeshPart::Mesher mesher(static_cast<Part::TopoShapePy*>(shape)->getTopoShapePtr()->_Shape);
            mesher.setMethod(MeshPart::Mesher::Mefisto);
            mesher.setMinMaxLengths(minLen, maxLen);
            mesher.setRegular(true);
            return new Mesh::MeshPy(mesher.createMesh());
        }

#if defined (HAVE_NETGEN)
        static char* kwds_fineness[] = {"Shape", "Fineness", "SecondOrder", "Optimize", "AllowQuad",NULL};
        PyErr_Clear();
        int fineness=0, secondOrder=0, optimize=1, allowquad=0;
        if (PyArg_ParseTupleAndKeywords(args, kwds, "O!i|iii", kwds_fineness,
                                        &(Part::TopoShapePy::Type), &shape, &fineness,
                                        &secondOrder, &optimize, &allowquad)) {
            MeshPart::Mesher mesher(static_cast<Part::TopoShapePy*>(shape)->getTopoShapePtr()->_Shape);
            mesher.setMethod(MeshPart::Mesher::Netgen);
            mesher.setFineness(fineness);
            mesher.setSecondOrder(secondOrder > 0);
            mesher.setOptimize(optimize > 0);
            mesher.setQuadAllowed(allowquad > 0);
            return new Mesh::MeshPy(mesher.createMesh());
        }

        static char* kwds_user[] = {"Shape", "GrowthRate", "SegPerEdge", "SegPerRadius", "SecondOrder", "Optimize", "AllowQuad",NULL};
        PyErr_Clear();
        double growthRate=0, nbSegPerEdge=0, nbSegPerRadius=0;
        if (PyArg_ParseTupleAndKeywords(args, kwds, "O!|dddiii", kwds_user,
                                        &(Part::TopoShapePy::Type), &shape,
                                        &growthRate, &nbSegPerEdge, &nbSegPerRadius,
                                        &secondOrder, &optimize, &allowquad)) {
            MeshPart::Mesher mesher(static_cast<Part::TopoShapePy*>(shape)->getTopoShapePtr()->_Shape);
            mesher.setMethod(MeshPart::Mesher::Netgen);
            mesher.setGrowthRate(growthRate);
            mesher.setNbSegPerEdge(nbSegPerEdge);
            mesher.setNbSegPerRadius(nbSegPerRadius);
            mesher.setSecondOrder(secondOrder > 0);
            mesher.setOptimize(optimize > 0);
            mesher.setQuadAllowed(allowquad > 0);
            return new Mesh::MeshPy(mesher.createMesh());
        }
#endif
//.........这里部分代码省略.........

static PyObject *
math_ldexp(PyObject *self, PyObject *args)
{
	double x, r;
	PyObject *oexp;
	long exp;
	if (! PyArg_ParseTuple(args, "dO:ldexp", &x, &oexp))
		return NULL;

	if (PyLong_Check(oexp)) {
		/* on overflow, replace exponent with either LONG_MAX
		   or LONG_MIN, depending on the sign. */
		exp = PyLong_AsLong(oexp);
		if (exp == -1 && PyErr_Occurred()) {
			if (PyErr_ExceptionMatches(PyExc_OverflowError)) {
				if (Py_SIZE(oexp) < 0) {
					exp = LONG_MIN;
				}
				else {
					exp = LONG_MAX;
				}
				PyErr_Clear();
			}
			else {
				/* propagate any unexpected exception */
				return NULL;
			}
		}
	}
	else {
		PyErr_SetString(PyExc_TypeError,
				"Expected an int or long as second argument "
				"to ldexp.");
		return NULL;
	}

	if (x == 0. || !Py_IS_FINITE(x)) {
		/* NaNs, zeros and infinities are returned unchanged */
		r = x;
		errno = 0;
	} else if (exp > INT_MAX) {
		/* overflow */
		r = copysign(Py_HUGE_VAL, x);
		errno = ERANGE;
	} else if (exp < INT_MIN) {
		/* underflow to +-0 */
		r = copysign(0., x);
		errno = 0;
	} else {
		errno = 0;
		PyFPE_START_PROTECT("in math_ldexp", return 0);
		r = ldexp(x, (int)exp);
		PyFPE_END_PROTECT(r);
		if (Py_IS_INFINITY(r))
			errno = ERANGE;
	}

	if (errno && is_error(r))
		return NULL;
	return PyFloat_FromDouble(r);
}

/*
 * Convert a Python object to the values needed to create a voidptr.
 */
static int vp_convertor(PyObject *arg, struct vp_values *vp)
{
    void *ptr;
    SIP_SSIZE_T size = -1;
    int rw = TRUE;

    if (arg == Py_None)
        ptr = NULL;
#if defined(SIP_USE_PYCAPSULE)
    else if (PyCapsule_CheckExact(arg))
        ptr = PyCapsule_GetPointer(arg, NULL);
#endif
#if defined(SIP_SUPPORT_PYCOBJECT)
    else if (PyCObject_Check(arg))
        ptr = PyCObject_AsVoidPtr(arg);
#endif
    else if (PyObject_TypeCheck(arg, &sipVoidPtr_Type))
    {
        ptr = ((sipVoidPtrObject *)arg)->voidptr;
        size = ((sipVoidPtrObject *)arg)->size;
        rw = ((sipVoidPtrObject *)arg)->rw;
    }
#if PY_VERSION_HEX >= 0x02060300
    else if (PyObject_CheckBuffer(arg))
    {
        Py_buffer view;

        if (PyObject_GetBuffer(arg, &view, PyBUF_SIMPLE) < 0)
            return 0;

        ptr = view.buf;
        size = view.len;
        rw = !view.readonly;

        PyBuffer_Release(&view);
    }
#endif
#if PY_VERSION_HEX < 0x03000000
    else if (PyObject_AsReadBuffer(arg, (const void **)&ptr, &size) >= 0)
    {
        rw = (Py_TYPE(arg)->tp_as_buffer->bf_getwritebuffer != NULL);
    }
#endif
    else
    {
        PyErr_Clear();
        ptr = PyLong_AsVoidPtr(arg);

        if (PyErr_Occurred())
        {
#if defined(SIP_USE_PYCAPSULE)
#if defined(SIP_SUPPORT_PYCOBJECT)
            PyErr_SetString(PyExc_TypeError, "a single integer, Capsule, CObject, None, bytes-like object or another sip.voidptr object is required");
#else
            PyErr_SetString(PyExc_TypeError, "a single integer, Capsule, None, bytes-like object or another sip.voidptr object is required");
#endif
#else
            PyErr_SetString(PyExc_TypeError, "a single integer, CObject, None, bytes-like object or another sip.voidptr object is required");
#endif
            return 0;
        }
    }

    vp->voidptr = ptr;
    vp->size = size;
    vp->rw = rw;

    return 1;
}

/**
 * Set one or more options in a decoder instance.
 *
 * Handled options are removed from the hash.
 *
 * @param di Decoder instance.
 * @param options A GHashTable of options to set.
 *
 * @return SRD_OK upon success, a (negative) error code otherwise.
 */
SRD_API int srd_inst_option_set(struct srd_decoder_inst *di,
				GHashTable *options)
{
	PyObject *py_dec_options, *py_dec_optkeys, *py_di_options, *py_optval;
	PyObject *py_optlist, *py_classval;
	Py_UNICODE *py_ustr;
	unsigned long long int val_ull;
	int num_optkeys, ret, size, i;
	char *key, *value;

	if (!PyObject_HasAttrString(di->decoder->py_dec, "options")) {
		/* Decoder has no options. */
		if (g_hash_table_size(options) == 0) {
			/* No options provided. */
			return SRD_OK;
		} else {
			srd_err("Protocol decoder has no options.");
			return SRD_ERR_ARG;
		}
		return SRD_OK;
	}

	ret = SRD_ERR_PYTHON;
	key = NULL;
	py_dec_options = py_dec_optkeys = py_di_options = py_optval = NULL;
	py_optlist = py_classval = NULL;
	py_dec_options = PyObject_GetAttrString(di->decoder->py_dec, "options");

	/* All of these are synthesized objects, so they're good. */
	py_dec_optkeys = PyDict_Keys(py_dec_options);
	num_optkeys = PyList_Size(py_dec_optkeys);
	if (!(py_di_options = PyObject_GetAttrString(di->py_inst, "options")))
		goto err_out;
	for (i = 0; i < num_optkeys; i++) {
		/* Get the default class value for this option. */
		py_str_as_str(PyList_GetItem(py_dec_optkeys, i), &key);
		if (!(py_optlist = PyDict_GetItemString(py_dec_options, key)))
			goto err_out;
		if (!(py_classval = PyList_GetItem(py_optlist, 1)))
			goto err_out;
		if (!PyUnicode_Check(py_classval) && !PyLong_Check(py_classval)) {
			srd_err("Options of type %s are not yet supported.",
				Py_TYPE(py_classval)->tp_name);
			goto err_out;
		}

		if ((value = g_hash_table_lookup(options, key))) {
			/* An override for this option was provided. */
			if (PyUnicode_Check(py_classval)) {
				if (!(py_optval = PyUnicode_FromString(value))) {
					/* Some UTF-8 encoding error. */
					PyErr_Clear();
					goto err_out;
				}
			} else if (PyLong_Check(py_classval)) {
				if (!(py_optval = PyLong_FromString(value, NULL, 0))) {
					/* ValueError Exception */
					PyErr_Clear();
					srd_err("Option %s has invalid value "
						"%s: expected integer.",
						key, value);
					goto err_out;
				}
			}
			g_hash_table_remove(options, key);
		} else {
			/* Use the class default for this option. */
			if (PyUnicode_Check(py_classval)) {
				/* Make a brand new copy of the string. */
				py_ustr = PyUnicode_AS_UNICODE(py_classval);
				size = PyUnicode_GET_SIZE(py_classval);
				py_optval = PyUnicode_FromUnicode(py_ustr, size);
			} else if (PyLong_Check(py_classval)) {
				/* Make a brand new copy of the integer. */
				val_ull = PyLong_AsUnsignedLongLong(py_classval);
				if (val_ull == (unsigned long long)-1) {
					/* OverFlowError exception */
					PyErr_Clear();
					srd_err("Invalid integer value for %s: "
						"expected integer.", key);
					goto err_out;
				}
				if (!(py_optval = PyLong_FromUnsignedLongLong(val_ull)))
					goto err_out;
			}
		}

		/*
		 * If we got here, py_optval holds a known good new reference
		 * to the instance option to set.
//.........这里部分代码省略.........

	k3d::bool_t execute(const k3d::string_t& ScriptName, const k3d::string_t& Script, context& Context, output_t* Stdout, output_t* Stderr)
	{
		k3d::bool_t succeeded = true;

		try
		{
			boost::scoped_ptr<k3d::python::file_signal> stdout_signal;
			boost::scoped_ptr<k3d::python::file_signal> stderr_signal;

			if(Stdout)
			{
				stdout_signal.reset(new k3d::python::file_signal());
				stdout_signal->connect_output_signal(*Stdout);
				PySys_SetObject(const_cast<char*>("stdout"), boost::python::object(*stdout_signal).ptr());
			}

			if(Stderr)
			{
				stderr_signal.reset(new k3d::python::file_signal());
				stderr_signal->connect_output_signal(*Stderr);
				PySys_SetObject(const_cast<char*>("stderr"), boost::python::object(*stderr_signal).ptr());
			}

			m_local_dict["context"] = Context;

			// The embedded python interpreter cannot handle DOS line-endings, see http://sourceforge.net/tracker/?group_id=5470&atid=105470&func=detail&aid=1167922
			k3d::string_t script = Script;
			script.erase(std::remove(script.begin(), script.end(), '\r'), script.end());

			PyDict_Update(m_local_dict.ptr(), PyObject_GetAttrString(PyImport_AddModule("__main__"), "__dict__"));
			
			PyObject* const result = PyRun_String(const_cast<char*>(script.c_str()), Py_file_input, m_local_dict.ptr(), m_local_dict.ptr());
			if(result)
			{
				Py_DECREF(result);
				if(Py_FlushLine())
					PyErr_Clear();
			}
			else
			{
				PyErr_Print();
			}

			Context = boost::python::extract<k3d::iscript_engine::context>(m_local_dict["context"])();

			succeeded = result ? true : false;
		}
		catch(std::exception& e)
		{
			k3d::log() << error << k3d_file_reference << ": " << e.what() << std::endl;
			succeeded = false;
		}
		catch(...)
		{
			k3d::log() << error << k3d_file_reference << ": " << "Unknown exception" << std::endl;
			succeeded = false;
		}

		if(Stdout)
		      PySys_SetObject(const_cast<char*>("stdout"), PySys_GetObject(const_cast<char*>("__stdout__")));

		if(Stderr)
		      PySys_SetObject(const_cast<char*>("stderr"), PySys_GetObject(const_cast<char*>("__stderr__")));

		return succeeded;
	}

void example18() {
    py::module main_module = py::module::import("__main__");
    py::object main_namespace = main_module.attr("__dict__");

    bool ok = false;

    main_module.def("call_test", [&]() -> int {
        ok = true;
        return 42;
    });

    cout << "eval_statements test" << endl;

    auto result = py::eval<py::eval_statements>(
            "print('Hello World!');\n"
            "x = call_test();", main_namespace);

    if (ok && result == py::none())
        cout << "eval_statements passed" << endl;
    else
        cout << "eval_statements failed" << endl;

    cout << "eval test" << endl;

    py::object val = py::eval("x", main_namespace);

    if (val.cast<int>() == 42)
        cout << "eval passed" << endl;
    else
        cout << "eval failed" << endl;

    ok = false;
    cout << "eval_single_statement test" << endl;

    py::eval<py::eval_single_statement>(
        "y = call_test();", main_namespace);

    if (ok)
        cout << "eval_single_statement passed" << endl;
    else
        cout << "eval_single_statement failed" << endl;

    cout << "eval_file test" << endl;

    int val_out;
    main_module.def("call_test2", [&](int value) {val_out = value;});

    try {
        result = py::eval_file("example18_call.py", main_namespace);
    } catch (...) {
        result = py::eval_file("example/example18_call.py", main_namespace);
    }

    if (val_out == 42 && result == py::none())
        cout << "eval_file passed" << endl;
    else
        cout << "eval_file failed" << endl;

    ok = false;
    cout << "eval failure test" << endl;
    try {
        py::eval("nonsense code ...");
    } catch (py::error_already_set &) {
        PyErr_Clear();
        ok = true;
    }

    if (ok)
        cout << "eval failure test passed" << endl;
    else
        cout << "eval failure test failed" << endl;

    ok = false;
    cout << "eval_file failure test" << endl;
    try {
        py::eval_file("nonexisting file");
    } catch (std::exception &) {
        ok = true;
    }

    if (ok)
        cout << "eval_file failure test passed" << endl;
    else
        cout << "eval_file failure test failed" << endl;
}

static int convertTo_QVector_1900(PyObject *sipPy,void **sipCppPtrV,int *sipIsErr,PyObject *sipTransferObj)
{
    QVector<GLuint> **sipCppPtr = reinterpret_cast<QVector<GLuint> **>(sipCppPtrV);

#line 54 "C:\\Users\\marcus\\Downloads\\PyQt-gpl-5.4\\PyQt-gpl-5.4\\sip/QtGui/qpygui_qvector.sip"
    PyObject *iter = PyObject_GetIter(sipPy);

    if (!sipIsErr)
    {
        Py_XDECREF(iter);

        return (iter
#if PY_MAJOR_VERSION < 3
                && !PyString_Check(sipPy)
#endif
                && !PyUnicode_Check(sipPy));
    }

    if (!iter)
    {
        *sipIsErr = 1;

        return 0;
    }

    QVector<unsigned> *qv = new QVector<unsigned>;

    for (SIP_SSIZE_T i = 0; ; ++i)
    {
        PyErr_Clear();
        PyObject *itm = PyIter_Next(iter);

        if (!itm)
        {
            if (PyErr_Occurred())
            {
                delete qv;
                Py_DECREF(iter);
                *sipIsErr = 1;

                return 0;
            }

            break;
        }

        PyErr_Clear();
        unsigned long val = PyLong_AsUnsignedLongMask(itm);

        if (PyErr_Occurred())
        {
            PyErr_Format(PyExc_TypeError,
                    "index " SIP_SSIZE_T_FORMAT " has type '%s' but 'int' is expected",
                    i, Py_TYPE(itm)->tp_name);

            Py_DECREF(itm);
            delete qv;
            Py_DECREF(iter);
            *sipIsErr = 1;

            return 0;
        }

        qv->append(val);

        Py_DECREF(itm);
    }

    Py_DECREF(iter);

    *sipCppPtr = qv;

    return sipGetState(sipTransferObj);
#line 137 "C:\\Users\\marcus\\Downloads\\PyQt-gpl-5.4\\PyQt-gpl-5.4\\QtGui/sipQtGuiQVector1900.cpp"
}

PyObject *PyRecord::getattro(PyObject *self, PyObject *obname)
{
	PyObject *res;
	PyRecord *pyrec = (PyRecord *)self;
	char *name=PYWIN_ATTR_CONVERT(obname);
	if (name==NULL)
		return NULL;
	if (strcmp(name, "__members__")==0) {
		ULONG cnames = 0;
		HRESULT hr = pyrec->pri->GetFieldNames(&cnames, NULL);
		if (FAILED(hr))
			return PyCom_BuildPyException(hr, pyrec->pri, IID_IRecordInfo);
		BSTR *strs = (BSTR *)malloc(sizeof(BSTR) * cnames);
		if (strs==NULL)
			return PyErr_NoMemory();
		hr = pyrec->pri->GetFieldNames(&cnames, strs);
		if (FAILED(hr)) {
			free(strs);
			return PyCom_BuildPyException(hr, pyrec->pri, IID_IRecordInfo);
		}
		res = PyList_New(cnames);
		for (ULONG i=0;i<cnames && res != NULL;i++) {
			PyObject *item = PyWinCoreString_FromString(strs[i]);
			SysFreeString(strs[i]);
			if (item==NULL) {
				Py_DECREF(res);
				res = NULL;
			} else
				PyList_SET_ITEM(res, i, item); // ref count swallowed.
		}
		free(strs);
		return res;
	}

	res = PyObject_GenericGetAttr(self, obname);
	if (res != NULL)
		return res;

	PyErr_Clear();
	WCHAR *wname;
	if (!PyWinObject_AsWCHAR(obname, &wname))
		return NULL;

	VARIANT vret;
	VariantInit(&vret);
	void *sub_data = NULL;

	PY_INTERFACE_PRECALL;
	HRESULT hr = pyrec->pri->GetFieldNoCopy(pyrec->pdata, wname, &vret, &sub_data);
	PyWinObject_FreeWCHAR(wname);
	PY_INTERFACE_POSTCALL;

	if (FAILED(hr)) {
		if (hr == TYPE_E_FIELDNOTFOUND){
			// This is slightly suspect - throwing a unicode
			// object for an AttributeError in py2k - but this
			// is the value we asked COM for, so it makes sense...
			// (and PyErr_Format doesn't handle unicode in py2x)
			PyErr_SetObject(PyExc_AttributeError, obname);
			return NULL;
			}
		return PyCom_BuildPyException(hr, pyrec->pri, IID_IRecordInfo);
	}

	// Short-circuit sub-structs and arrays here, so we dont allocate a new chunk
	// of memory and copy it - we need sub-structs to persist.
	if (V_VT(&vret)==(VT_BYREF | VT_RECORD))
		return new PyRecord(V_RECORDINFO(&vret), V_RECORD(&vret), pyrec->owner);
	else if (V_VT(&vret)==(VT_BYREF | VT_ARRAY | VT_RECORD)) {
		SAFEARRAY *psa = *V_ARRAYREF(&vret);
		int d = SafeArrayGetDim(psa);
		if (sub_data==NULL)
			return PyErr_Format(PyExc_RuntimeError, "Did not get a buffer for the array!");
		if (SafeArrayGetDim(psa) != 1)
			return PyErr_Format(PyExc_TypeError, "Only support single dimensional arrays of records");
		IRecordInfo *sub = NULL;
		long ubound, lbound, nelems;
		int i;
		BYTE *this_data;
		PyObject *ret_tuple = NULL;
		ULONG element_size = 0;
		hr = SafeArrayGetUBound(psa, 1, &ubound);
		if (FAILED(hr)) goto array_end;
		hr = SafeArrayGetLBound(psa, 1, &lbound);
		if (FAILED(hr)) goto array_end;
		hr = SafeArrayGetRecordInfo(psa, &sub);
		if (FAILED(hr)) goto array_end;
		hr = sub->GetSize(&element_size);
		if (FAILED(hr)) goto array_end;
		nelems = ubound-lbound;
		ret_tuple = PyTuple_New(nelems);
		if (ret_tuple==NULL) goto array_end;
		this_data = (BYTE *)sub_data;
		for (i=0;i<nelems;i++) {
			PyTuple_SET_ITEM(ret_tuple, i, new PyRecord(sub, this_data, pyrec->owner));
			this_data += element_size;
		}
array_end:
		if (sub)
			sub->Release();
//.........这里部分代码省略.........

static PyObject *DoPyRead_Buffer(nsIInputStream *pI, PyObject *obBuffer, PRUint32 n)
{
	PRUint32 nread;
	void *buf;
#ifndef VBOX /* unsafe cast on 64-bit hosts. */
	PRUint32 buf_len;
	if (PyObject_AsWriteBuffer(obBuffer, &buf, (Py_ssize_t *)&buf_len) != 0) {
#else   /* VBOX */
# if PY_VERSION_HEX >= 0x02050000 || defined(PY_SSIZE_T_MIN)
        Py_ssize_t buf_len;
# else
        int buf_len;
# endif /* VBOX */
	if (PyObject_AsWriteBuffer(obBuffer, &buf, &buf_len) != 0) {
#endif
		PyErr_Clear();
		PyErr_SetString(PyExc_TypeError, "The buffer object does not have a write buffer!");
		return NULL;
	}
	if (n==(PRUint32)-1) {
		n = buf_len;
	} else {
		if (n > buf_len) {
			NS_WARNING("Warning: PyIInputStream::read() was passed an integer size greater than the size of the passed buffer!  Buffer size used.\n");
			n = buf_len;
		}
	}
	nsresult r;
	Py_BEGIN_ALLOW_THREADS;
	r = pI->Read((char *)buf, n, &nread);
	Py_END_ALLOW_THREADS;
	if ( NS_FAILED(r) )
		return PyXPCOM_BuildPyException(r);
	return PyInt_FromLong(nread);
}

static PyObject *DoPyRead_Size(nsIInputStream *pI, PRUint32 n)
{
	if (n==(PRUint32)-1) {
		nsresult r;
		Py_BEGIN_ALLOW_THREADS;
		r = pI->Available(&n);
		Py_END_ALLOW_THREADS;
		if (NS_FAILED(r))
			return PyXPCOM_BuildPyException(r);
	}
	if (n==0) { // mozilla will assert if we alloc zero bytes.
#if PY_MAJOR_VERSION <= 2
		return PyBuffer_New(0);
#else
		return PyBytes_FromString("");
#endif
	}
	char *buf = (char *)nsMemory::Alloc(n);
	if (buf==NULL) {
		PyErr_NoMemory();
		return NULL;
	}
	nsresult r;
	PRUint32 nread;
	Py_BEGIN_ALLOW_THREADS;
	r = pI->Read(buf, n, &nread);
	Py_END_ALLOW_THREADS;
	PyObject *rc = NULL;
	if ( NS_SUCCEEDED(r) ) {
#if PY_MAJOR_VERSION <= 2
		rc = PyBuffer_New(nread);
		if (rc != NULL) {
			void *ob_buf;
#ifndef VBOX /* unsafe cast on 64-bit hosts. */
			PRUint32 buf_len;
			if (PyObject_AsWriteBuffer(rc, &ob_buf, (Py_ssize_t *)&buf_len) != 0) {
#else   /* VBOX */
# if PY_VERSION_HEX >= 0x02050000 || defined(PY_SSIZE_T_MIN)
                        Py_ssize_t buf_len;
# else
                        int buf_len;
# endif /* VBOX */
			if (PyObject_AsWriteBuffer(rc, &ob_buf, &buf_len) != 0) {
#endif
				// should never fail - we just created it!
				return NULL;
			}
			if (buf_len != nread) {
				PyErr_SetString(PyExc_RuntimeError, "New buffer isnt the size we create it!");
				return NULL;
			}
			memcpy(ob_buf, buf, nread);
		}
#else
        rc = PyBytes_FromStringAndSize(buf, nread);
#endif
	} else
		PyXPCOM_BuildPyException(r);
	nsMemory::Free(buf);
	return rc;
}

static PyObject *PyRead(PyObject *self, PyObject *args)
{
//.........这里部分代码省略.........

void
PyErr_SyntaxLocationObject(PyObject *filename, int lineno, int col_offset)
{
    PyObject *exc, *v, *tb, *tmp;
    _Py_IDENTIFIER(filename);
    _Py_IDENTIFIER(lineno);
    _Py_IDENTIFIER(msg);
    _Py_IDENTIFIER(offset);
    _Py_IDENTIFIER(print_file_and_line);
    _Py_IDENTIFIER(text);

    /* add attributes for the line number and filename for the error */
    PyErr_Fetch(&exc, &v, &tb);
    PyErr_NormalizeException(&exc, &v, &tb);
    /* XXX check that it is, indeed, a syntax error. It might not
     * be, though. */
    tmp = PyLong_FromLong(lineno);
    if (tmp == NULL)
        PyErr_Clear();
    else {
        if (_PyObject_SetAttrId(v, &PyId_lineno, tmp))
            PyErr_Clear();
        Py_DECREF(tmp);
    }
    if (col_offset >= 0) {
        tmp = PyLong_FromLong(col_offset);
        if (tmp == NULL)
            PyErr_Clear();
        else {
            if (_PyObject_SetAttrId(v, &PyId_offset, tmp))
                PyErr_Clear();
            Py_DECREF(tmp);
        }
    }
    if (filename != NULL) {
        if (_PyObject_SetAttrId(v, &PyId_filename, filename))
            PyErr_Clear();

        tmp = PyErr_ProgramTextObject(filename, lineno);
        if (tmp) {
            if (_PyObject_SetAttrId(v, &PyId_text, tmp))
                PyErr_Clear();
            Py_DECREF(tmp);
        }
    }
    if (_PyObject_SetAttrId(v, &PyId_offset, Py_None)) {
        PyErr_Clear();
    }
    if (exc != PyExc_SyntaxError) {
        if (!_PyObject_HasAttrId(v, &PyId_msg)) {
            tmp = PyObject_Str(v);
            if (tmp) {
                if (_PyObject_SetAttrId(v, &PyId_msg, tmp))
                    PyErr_Clear();
                Py_DECREF(tmp);
            } else {
                PyErr_Clear();
            }
        }
        if (!_PyObject_HasAttrId(v, &PyId_print_file_and_line)) {
            if (_PyObject_SetAttrId(v, &PyId_print_file_and_line,
                                    Py_None))
                PyErr_Clear();
        }
    }
    PyErr_Restore(exc, v, tb);
}

void StarSystem::UpdateUnitPhysics( bool firstframe )
{
    static bool phytoggle  = true;
    static int  batchcount = SIM_QUEUE_SIZE-1;
    double aitime = 0;
    double phytime = 0;
    double collidetime     = 0;
    double flattentime     = 0;
    double bolttime = 0;
    targetpick   = 0;
    aggfire      = 0;
    numprocessed = 0;
    stats.CheckVitals( this );
    if (phytoggle) {
        for (++batchcount; batchcount > 0; --batchcount) {
            //BELOW COMMENTS ARE NO LONGER IN SYNCH
            //NOTE: Randomization is necessary to preserve scattering - otherwise, whenever a
            //unit goes from low-priority to high-priority and back to low-priority, they
            //get synchronized and start producing peaks.
            //NOTE2: But... randomization must come only on priority changes. Otherwise, it may
            //interfere with subunit scheduling. Luckily, all units that make use of subunit
            //scheduling also require a constant base priority, since otherwise priority changes
            //will wreak havoc with subunit interpolation. Luckily again, we only need
            //randomization on priority changes, so we're fine.
            try {
                Unit *unit = NULL;
                for (un_iter iter = physics_buffer[current_sim_location].createIterator(); (unit = *iter); ++iter) {
                    int priority  = UnitUtil::getPhysicsPriority( unit );
                    //Doing spreading here and only on priority changes, so as to make AI easier
                    int predprior = unit->predicted_priority;
                    //If the priority has really changed (not an initial scattering, because prediction doesn't match)
                    if (priority != predprior) {
                        if (predprior == 0)
                            //Validate snapshot of current interpolated state (this is a reschedule)
                            unit->curr_physical_state = unit->cumulative_transformation;
                        //Save priority value as prediction for next scheduling, but don't overwrite yet.
                        predprior = priority;
                        //Scatter, so as to achieve uniform distribution
                        priority  = 1+( ( (unsigned int) vsrandom.genrand_int32() )%priority );
                    }
                    float backup = SIMULATION_ATOM;
                    theunitcounter   = theunitcounter+1;
                    SIMULATION_ATOM *= priority;
                    unit->sim_atom_multiplier = priority;
                    double aa = queryTime();
                    unit->ExecuteAI();
                    double bb = queryTime();
                    unit->ResetThreatLevel();
                    //FIXME "firstframe"-- assume no more than 2 physics updates per frame.
                    unit->UpdatePhysics( identity_transformation, identity_matrix, Vector( 0,
                                                                                           0,
                                                                                           0 ), priority
                                         == 1 ? firstframe : true, &this->gravitationalUnits(), unit );
                    double cc = queryTime();
                    aitime  += bb-aa;
                    phytime += cc-bb;
                    SIMULATION_ATOM = backup;
                    unit->predicted_priority = predprior;
                }
            }
            catch (const boost::python::error_already_set) {
                if ( PyErr_Occurred() ) {
                    PyErr_Print();
                    PyErr_Clear();
                    fflush( stderr );
                    fflush( stdout );
                } throw;
            }
            double c0  = queryTime();
            Bolt::UpdatePhysics( this );
            double cc  = queryTime();
            last_collisions.clear();
            double fl0 = queryTime();
            collidemap[Unit::UNIT_BOLT]->flatten();
            if (Unit::NUM_COLLIDE_MAPS > 1)
                collidemap[Unit::UNIT_ONLY]->flatten( *collidemap[Unit::UNIT_BOLT] );
            flattentime = queryTime()-fl0;
            Unit *unit;
            for (un_iter iter = physics_buffer[current_sim_location].createIterator(); (unit = *iter);) {
                int   priority = unit->sim_atom_multiplier;
                float backup   = SIMULATION_ATOM;
                SIMULATION_ATOM *= priority;
                unsigned int newloc = (current_sim_location+priority)%SIM_QUEUE_SIZE;
                unit->CollideAll();
                SIMULATION_ATOM = backup;
                if (newloc == current_sim_location)
                    ++iter;
                else
                    iter.moveBefore( physics_buffer[newloc] );
            }
            double dd = queryTime();
            collidetime += dd-cc;
            bolttime    += cc-c0;
            current_sim_location = (current_sim_location+1)%SIM_QUEUE_SIZE;
            ++physicsframecounter;
            totalprocessed += theunitcounter;
            theunitcounter  = 0;
        }
    } else {
        Unit *unit = NULL;
//.........这里部分代码省略.........

int
PyMember_SetOne(char *addr, PyMemberDef *l, PyObject *v)
{
	PyObject *oldv;

	addr += l->offset;

	if ((l->flags & READONLY))
	{
		PyErr_SetString(PyExc_TypeError, "readonly attribute");
		return -1;
	}
	if ((l->flags & PY_WRITE_RESTRICTED) && PyEval_GetRestricted()) {
		PyErr_SetString(PyExc_RuntimeError, "restricted attribute");
		return -1;
	}
	if (v == NULL) {
		if (l->type == T_OBJECT_EX) {
			/* Check if the attribute is set. */
			if (*(PyObject **)addr == NULL) {
				PyErr_SetString(PyExc_AttributeError, l->name);
				return -1;
			}
		}
		else if (l->type != T_OBJECT) {
			PyErr_SetString(PyExc_TypeError,
							"can't delete numeric/char attribute");
			return -1;
		}
	}
	switch (l->type) {
	case T_BOOL:{
		if (!PyBool_Check(v)) {
			PyErr_SetString(PyExc_TypeError,
							"attribute value type must be bool");
			return -1;
		}
		if (v == Py_True)
			*(char*)addr = (char) 1;
		else
			*(char*)addr = (char) 0;
		break;
		}
	case T_BYTE:{
		long long_val = PyInt_AsLong(v);
		if ((long_val == -1) && PyErr_Occurred())
			return -1;
		*(char*)addr = (char)long_val;
		/* XXX: For compatibility, only warn about truncations
		   for now. */
		if ((long_val > CHAR_MAX) || (long_val < CHAR_MIN))
			WARN("Truncation of value to char");
		break;
		}
	case T_UBYTE:{
		long long_val = PyInt_AsLong(v);
		if ((long_val == -1) && PyErr_Occurred())
			return -1;
		*(unsigned char*)addr = (unsigned char)long_val;
		if ((long_val > UCHAR_MAX) || (long_val < 0))
			WARN("Truncation of value to unsigned char");
		break;
		}
	case T_SHORT:{
		long long_val = PyInt_AsLong(v);
		if ((long_val == -1) && PyErr_Occurred())
			return -1;
		*(short*)addr = (short)long_val;
		if ((long_val > SHRT_MAX) || (long_val < SHRT_MIN))
			WARN("Truncation of value to short");
		break;
		}
	case T_USHORT:{
		long long_val = PyInt_AsLong(v);
		if ((long_val == -1) && PyErr_Occurred())
			return -1;
		*(unsigned short*)addr = (unsigned short)long_val;
		if ((long_val > USHRT_MAX) || (long_val < 0))
			WARN("Truncation of value to unsigned short");
		break;
		}
	case T_INT:{
		long long_val = PyInt_AsLong(v);
		if ((long_val == -1) && PyErr_Occurred())
			return -1;
		*(int *)addr = (int)long_val;
		if ((long_val > INT_MAX) || (long_val < INT_MIN))
			WARN("Truncation of value to int");
		break;
		}
	case T_UINT:{
		unsigned long ulong_val = PyLong_AsUnsignedLong(v);
		if ((ulong_val == (unsigned long)-1) && PyErr_Occurred()) {
			/* XXX: For compatibility, accept negative int values
			   as well. */
			PyErr_Clear();
			ulong_val = PyLong_AsLong(v);
			if ((ulong_val == (unsigned long)-1) &&
				PyErr_Occurred())
				return -1;
//.........这里部分代码省略.........

PyObject* NS(ErrorSet)(
  PyObject  *self
)
{
  SETUP_context
  PyObject *typeO = NULL, *valueO=NULL, *tbO = NULL, *retO = Py_None;

  PyThreadState *tstate = PyThreadState_Get();

  if (tstate->curexc_type == NULL || tstate->curexc_type == Py_None) {
    typeO = tstate->exc_type;
    valueO = tstate->exc_value;
    tbO = tstate->exc_traceback;
  } else {
    typeO = tstate->curexc_type;
    valueO = tstate->curexc_value;
    tbO = tstate->curexc_traceback;
  }
  Py_XINCREF(typeO);
  Py_XINCREF(valueO);
  Py_XINCREF(tbO);
  PyErr_Clear();

  {
    PyObject *valO = NULL ;

    if (typeO == Py_None || typeO == NULL) {
      MqErrorC (context, __func__, -1, "No active exception to reraise");

    } else if (PyErr_GivenExceptionMatches(typeO,NS(MqSException))) {

      MqErrorSet (context, 
	(MQ_INT) PyLong_AsLong(PyObject_GetAttrString(typeO,"num")),
	(enum MqErrorE) PyLong_AsLong(PyObject_GetAttrString(typeO,"code")),
	(MQ_CST const) PyBytes_AsString(PyUnicode_AsUTF8String(PyObject_GetAttrString(typeO,"text"))),
	NULL
      );

    } else if (valueO) {
      PyObject *tmod = NULL, *strO = NULL, *lstO = NULL;
      PyErrorCheckNT(end1,  tmod = PyImport_ImportModule("traceback"));
      if (tbO) {
	PyErr_NormalizeException(&typeO, &valueO, &tbO);
	PyErrorCheckNT(end1,  lstO = PyObject_CallMethod(tmod, "format_exception", "OOO", typeO, valueO, tbO));
      } else {
	PyErrorCheckNT(end1,  lstO = PyObject_CallMethod(tmod, "format_exception_only", "OO", typeO, valueO));
      }
      PyErrorCheckNT(end1,  strO = PyC2O(""));
      PyErrorCheckNT(end1,  valO = PyObject_CallMethod(strO, "join", "O", lstO));
end1:
      Py_XDECREF(tmod);
      Py_XDECREF(lstO);
      Py_XDECREF(strO);
      if (valO != NULL) {
	PyObject *strO=NULL, *utf8=NULL;

	PyErrorCheckNT(end2, strO = PyObject_Str(valO));
	PyErrorCheckNT(end2, utf8 = PyUnicode_AsUTF8String(strO));
	MqErrorC(context, __func__, -1, PyBytes_AsString(utf8));
end2:
	Py_XDECREF(utf8);
	Py_XDECREF(strO);
      }
      if (MqErrorGetCodeI(context) != MQ_ERROR)
	MqErrorV(context, __func__, -1, "%s: python error", PyExceptionClass_Name(typeO));
    }
  }

  Py_XDECREF(typeO);
  Py_XDECREF(valueO);
  Py_XDECREF(tbO);
  Py_XINCREF(retO);

  return retO;
}

void python_handle_exception(const char *fmt, ...)
{
	PyObject *pResult;
	const char *msg;
	char *buf;
	size_t buflen, msglen;
	PyObject *exception, *v, *tb, *args;
	PyObject *line;
	int i;
	char *srcbuf;
	int exc_exit = 0;
	va_list ap;

	// We don't want to generate traceback when no errors occurred
	if (!PyErr_Occurred())
		return;

	if (fmt == NULL)
		srcbuf = NULL;
	else {
		va_start(ap, fmt);
		srcbuf = make_message(fmt, ap);
		va_end(ap);
	}

	PyErr_Fetch(&exception, &v, &tb);
	PyErr_Clear();
	if (exception == NULL) {
		LM_ERR("Can't get traceback, PyErr_Fetch() has failed.\n");
		if (srcbuf) pkg_free(srcbuf);
		return;
	}

	PyErr_NormalizeException(&exception, &v, &tb);
	if (exception == NULL) {
		LM_ERR("Can't get traceback, PyErr_NormalizeException() has failed.\n");
		if (srcbuf) pkg_free(srcbuf);
		return;
	}

	exc_exit = PyErr_GivenExceptionMatches(exception, PyExc_SystemExit);
	args = PyTuple_Pack(3, exception, v, tb ? tb : Py_None);
	Py_XDECREF(exception);
	Py_XDECREF(v);
	Py_XDECREF(tb);
	if (args == NULL) {
		LM_ERR("Can't get traceback, PyTuple_Pack() has failed.\n");
		if (srcbuf) pkg_free(srcbuf);
		return;
	}

	pResult = PyObject_CallObject(format_exc_obj, args);
	Py_DECREF(args);
	if (pResult == NULL) {
		LM_ERR("Can't get traceback, traceback.format_exception() has failed.\n");
		if (srcbuf) pkg_free(srcbuf);
		return;
	}

	buflen = 1;
	buf = (char *)pkg_realloc(NULL, buflen * sizeof(char));
	if (!buf)
	{
		LM_ERR("Can't allocate memory (%lu bytes), pkg_realloc() has failed."
				" Not enough memory.\n", (unsigned long)(buflen * sizeof(char *)));
		if (srcbuf) pkg_free(srcbuf);
		return;
	}
	memset(buf, 0, buflen * sizeof(char));

	for (i = 0; i < PySequence_Size(pResult); i++) {
		line = PySequence_GetItem(pResult, i);
		if (line == NULL) {
			LM_ERR("Can't get traceback, PySequence_GetItem() has failed.\n");
			Py_DECREF(pResult);
			if (buf)
				pkg_free(buf);
			if (srcbuf) pkg_free(srcbuf);
			return;
		}

		msg = PyString_AsString(line);

		if (msg == NULL) {
			LM_ERR("Can't get traceback, PyString_AsString() has failed.\n");
			Py_DECREF(line);
			Py_DECREF(pResult);
			if (buf)
				pkg_free(buf);
			if (srcbuf) pkg_free(srcbuf);
			return;
		}

		msglen = strlen(msg);
		buflen += ++msglen;

		buf = (char *)pkg_reallocxf(buf, buflen * sizeof(char));
		if (!buf)
		{
			LM_ERR("Can't allocate memory (%lu bytes), pkg_realloc() has failed."
//.........这里部分代码省略.........