C++ PyTuple_SET_ITEM函数代码示例

//.........这里部分代码省略.........
		PyErr_Format(PyExc_TypeError,
			"requires exactly %d arguments, given %d",
			td->natts, (args_len + kw_len));
		return(NULL);
	}

	rob = PyTuple_New(td->natts);

	/*
	 * There are a few ways this could be implemented,
	 * but it seems the most reasonable is to first set
	 * any available keywords and fill in the gaps with
	 * the positional args.
	 */
	if (kw_len > 0)
	{
		PyObj ob_key, kw_iter;

		kw_iter = PyObject_GetIter(kw);
		if (kw_iter == NULL)
		{
			Py_DECREF(rob);
			return(NULL);
		}

		while ((ob_key = PyIter_Next(kw_iter)) != NULL)
		{
			PyObj ob, ob_str;
			char *obstr;
			int i;

			ob_str = ob_key;
			Py_INCREF(ob_str);
			PyObject_StrBytes(&ob_str);
			if (ob_str == NULL)
			{
				Py_DECREF(kw_iter);
				Py_DECREF(rob);
				return(NULL);
			}
			obstr = PyBytes_AS_STRING(ob_str);

			/*
			 * Scan TupleDesc for attribute number. O(NM) :(
			 */
			for (i = 0; i < td->natts; ++i)
			{
				if (!strcmp(NameStr(td->attrs[i]->attname), obstr))
					break;
			}
			Py_DECREF(ob_str);

			/*
			 * No such attribute.
			 */
			if (i == td->natts)
			{
				PyObj invalid_kw_param;
				Py_DECREF(rob);
				Py_DECREF(kw_iter);
				invalid_kw_param = PyUnicode_FromFormat(
					"invalid keyword parameter %R", ob_key);
				if (invalid_kw_param != NULL)
				{
					PyErr_SetObject(PyExc_TypeError, invalid_kw_param);
					Py_DECREF(invalid_kw_param);
				}
				Py_DECREF(ob_key);
				return(NULL);
			}

			ob = PyObject_GetItem(kw, ob_key);
			Py_DECREF(ob_key);
			PyTuple_SET_ITEM(rob, i, ob);
		}
	}

	if (args_len > 0)
	{
		int i, ai;

		for (i = 0, ai = 0; i < td->natts && ai < args_len; ++i)
		{
			PyObj ob;
			if (PyTuple_GET_ITEM(rob, i) != NULL)
				continue;

			ob = PySequence_GetItem(args, ai);
			if (ob == NULL)
			{
				Py_DECREF(rob);
				return(NULL);
			}
			PyTuple_SET_ITEM(rob, i, ob);
			++ai;
		}
	}

	return(rob);
}

/******************************************************************************
 *
 * Call the python object with all arguments
 *
 */
static void _CallPythonObject(void *mem,
                              ffi_type *restype,
                              SETFUNC setfunc,
                              PyObject *callable,
                              PyObject *converters,
                              int flags,
                              void **pArgs)
{
    Py_ssize_t i;
    PyObject *result;
    PyObject *arglist = NULL;
    Py_ssize_t nArgs;
    PyObject *error_object = NULL;
    int *space;
#ifdef WITH_THREAD
    PyGILState_STATE state = PyGILState_Ensure();
#endif

    nArgs = PySequence_Length(converters);
    /* Hm. What to return in case of error?
       For COM, 0xFFFFFFFF seems better than 0.
    */
    if (nArgs < 0) {
        PrintError("BUG: PySequence_Length");
        goto Done;
    }

    arglist = PyTuple_New(nArgs);
    if (!arglist) {
        PrintError("PyTuple_New()");
        goto Done;
    }
    for (i = 0; i < nArgs; ++i) {
        /* Note: new reference! */
        PyObject *cnv = PySequence_GetItem(converters, i);
        StgDictObject *dict;
        if (cnv)
            dict = PyType_stgdict(cnv);
        else {
            PrintError("Getting argument converter %d\n", i);
            goto Done;
        }

        if (dict && dict->getfunc && !_ctypes_simple_instance(cnv)) {
            PyObject *v = dict->getfunc(*pArgs, dict->size);
            if (!v) {
                PrintError("create argument %d:\n", i);
                Py_DECREF(cnv);
                goto Done;
            }
            PyTuple_SET_ITEM(arglist, i, v);
            /* XXX XXX XX
               We have the problem that c_byte or c_short have dict->size of
               1 resp. 4, but these parameters are pushed as sizeof(int) bytes.
               BTW, the same problem occurs when they are pushed as parameters
            */
        } else if (dict) {
            /* Hm, shouldn't we use PyCData_AtAddress() or something like that instead? */
            CDataObject *obj = (CDataObject *)PyObject_CallFunctionObjArgs(cnv, NULL);
            if (!obj) {
                PrintError("create argument %d:\n", i);
                Py_DECREF(cnv);
                goto Done;
            }
            if (!CDataObject_Check(obj)) {
                Py_DECREF(obj);
                Py_DECREF(cnv);
                PrintError("unexpected result of create argument %d:\n", i);
                goto Done;
            }
            memcpy(obj->b_ptr, *pArgs, dict->size);
            PyTuple_SET_ITEM(arglist, i, (PyObject *)obj);
#ifdef MS_WIN32
            TryAddRef(dict, obj);
#endif
        } else {
            PyErr_SetString(PyExc_TypeError,
                            "cannot build parameter");
            PrintError("Parsing argument %d\n", i);
            Py_DECREF(cnv);
            goto Done;
        }
        Py_DECREF(cnv);
        /* XXX error handling! */
        pArgs++;
    }

#define CHECK(what, x) \
if (x == NULL) _ctypes_add_traceback(what, "_ctypes/callbacks.c", __LINE__ - 1), PyErr_Print()

    if (flags & (FUNCFLAG_USE_ERRNO | FUNCFLAG_USE_LASTERROR)) {
        error_object = _ctypes_get_errobj(&space);
        if (error_object == NULL)
            goto Done;
        if (flags & FUNCFLAG_USE_ERRNO) {
//.........这里部分代码省略.........

//.........这里部分代码省略.........
		}
	}
	else
	{
		if(PyArg_ParseTuple(args, "O|O", &pathobj, &path_argsobj) == -1)
		{
			PyErr_Format(PyExc_TypeError, "KBEngine::listPathRes(): args[path, pathargs=\'*.*\'] is error!");
			PyErr_PrintEx(0);
			return 0;
		}
		
		if(PyUnicode_Check(path_argsobj))
		{
			wchar_t* fargs = NULL;
			fargs = PyUnicode_AsWideCharString(path_argsobj, NULL);
			wExtendName = fargs;
			PyMem_Free(fargs);
		}
		else
		{
			if(PySequence_Check(path_argsobj))
			{
				wExtendName = L"";
				Py_ssize_t size = PySequence_Size(path_argsobj);
				for(int i=0; i<size; i++)
				{
					PyObject* pyobj = PySequence_GetItem(path_argsobj, i);
					if(!PyUnicode_Check(pyobj))
					{
						PyErr_Format(PyExc_TypeError, "KBEngine::listPathRes(): args[path, pathargs=\'*.*\'] is error!");
						PyErr_PrintEx(0);
						return 0;
					}
					
					wchar_t* wtemp = NULL;
					wtemp = PyUnicode_AsWideCharString(pyobj, NULL);
					wExtendName += wtemp;
					wExtendName += L"|";
					PyMem_Free(wtemp);
				}
			}
			else
			{
				PyErr_Format(PyExc_TypeError, "KBEngine::listPathRes(): args[pathargs] is error!");
				PyErr_PrintEx(0);
				return 0;
			}
		}
	}

	if(!PyUnicode_Check(pathobj))
	{
		PyErr_Format(PyExc_TypeError, "KBEngine::listPathRes(): args[path] is error!");
		PyErr_PrintEx(0);
		return 0;
	}

	if(wExtendName.size() == 0)
	{
		PyErr_Format(PyExc_TypeError, "KBEngine::listPathRes(): args[pathargs] is NULL!");
		PyErr_PrintEx(0);
		return 0;
	}

	if(wExtendName[0] == '.')
		wExtendName.erase(wExtendName.begin());

	if(wExtendName.size() == 0)
		wExtendName = L"*";

	wchar_t* respath = PyUnicode_AsWideCharString(pathobj, NULL);
	if(respath == NULL)
	{
		PyErr_Format(PyExc_TypeError, "KBEngine::listPathRes(): args[path] is NULL!");
		PyErr_PrintEx(0);
		return 0;
	}

	char* cpath = strutil::wchar2char(respath);
	std::string foundPath = Resmgr::getSingleton().matchPath(cpath);
	free(cpath);
	PyMem_Free(respath);

	respath = strutil::char2wchar(foundPath.c_str());

	std::vector<std::wstring> results;
	Resmgr::getSingleton().listPathRes(respath, wExtendName, results);
	PyObject* pyresults = PyTuple_New(results.size());

	std::vector<std::wstring>::iterator iter = results.begin();
	int i = 0;

	for(; iter != results.end(); iter++)
	{
		PyTuple_SET_ITEM(pyresults, i++, PyUnicode_FromWideChar((*iter).c_str(), (*iter).size()));
	}

	free(respath);
	return pyresults;
}

static
PyObject *call_python_function(PyObject *func, npy_intp n, double *x,
                               PyObject *args, PyObject *error_obj)
{
    /*
    This is a generic function to call a python function that takes a 1-D
    sequence as a first argument and optional extra_arguments (should be a
    zero-length tuple if none desired).  The result of the function is
    returned in a multiarray object.
        -- build sequence object from values in x.
        -- add extra arguments (if any) to an argument list.
        -- call Python callable object
        -- check if error occurred:
           if so return NULL
        -- if no error, place result of Python code into multiarray object.
    */

    PyArrayObject *sequence = NULL;
    PyObject *arglist = NULL;
    PyObject *arg1 = NULL;
    PyObject *result = NULL;
    PyArrayObject *result_array = NULL;

    /* Build sequence argument from inputs */
    sequence = (PyArrayObject *) PyArray_SimpleNewFromData(1, &n, NPY_DOUBLE,
                                                           (char *) x);
    if (sequence == NULL) {
        goto fail;
    }

    /* Build argument list */
    if ((arg1 = PyTuple_New(1)) == NULL) {
        Py_DECREF(sequence);
        return NULL;
    }
    PyTuple_SET_ITEM(arg1, 0, (PyObject *)sequence);
    /* arg1 now owns sequence reference */
    if ((arglist = PySequence_Concat(arg1, args)) == NULL) {
        goto fail;
    }

    Py_DECREF(arg1);    /* arglist has a reference to sequence, now. */
    arg1 = NULL;

    /*
     * Call function object --- variable passed to routine.  Extra
     * arguments are in another passed variable.
     */
    if ((result = PyEval_CallObject(func, arglist))==NULL) {
        goto fail;
    }

    result_array = (PyArrayObject *) PyArray_ContiguousFromObject(result,
                                                        NPY_DOUBLE, 0, 0);
    if (result_array == NULL) {
        goto fail;
    }

    Py_DECREF(result);
    Py_DECREF(arglist);
    return (PyObject *) result_array;

fail:
    Py_XDECREF(arglist);
    Py_XDECREF(result);
    Py_XDECREF(arg1);
    return NULL;
}

/**
 * _py_args_combine_and_check_length:
 * @cache: PyGICallableCache
 * @py_args: the tuple of positional arguments.
 * @py_kwargs: the dict of keyword arguments to be merged with py_args.
 *
 * Returns: New value reference to the combined py_args and py_kwargs.
 */
static PyObject *
_py_args_combine_and_check_length (PyGICallableCache *cache,
                                   PyObject    *py_args,
                                   PyObject    *py_kwargs)
{
    PyObject *combined_py_args = NULL;
    Py_ssize_t n_py_args, n_py_kwargs, i;
    guint n_expected_args = cache->n_py_args;
    GSList *l;

    n_py_args = PyTuple_GET_SIZE (py_args);
    if (py_kwargs == NULL)
        n_py_kwargs = 0;
    else
        n_py_kwargs = PyDict_Size (py_kwargs);

    /* Fast path, we already have the exact number of args and not kwargs. */
    if (n_py_kwargs == 0 && n_py_args == n_expected_args && cache->user_data_varargs_index < 0) {
        Py_INCREF (py_args);
        return py_args;
    }

    if (cache->user_data_varargs_index < 0 && n_expected_args < n_py_args) {
        char *full_name = pygi_callable_cache_get_full_name (cache);
        PyErr_Format (PyExc_TypeError,
                      "%.200s() takes exactly %d %sargument%s (%zd given)",
                      full_name,
                      n_expected_args,
                      n_py_kwargs > 0 ? "non-keyword " : "",
                      n_expected_args == 1 ? "" : "s",
                      n_py_args);
        g_free (full_name);
        return NULL;
    }

    if (cache->user_data_varargs_index >= 0 && n_py_kwargs > 0 && n_expected_args < n_py_args) {
        char *full_name = pygi_callable_cache_get_full_name (cache);
        PyErr_Format (PyExc_TypeError,
                      "%.200s() cannot use variable user data arguments with keyword arguments",
                      full_name);
        g_free (full_name);
        return NULL;
    }

    if (n_py_kwargs > 0 && !_check_for_unexpected_kwargs (cache,
                                                          cache->arg_name_hash,
                                                          py_kwargs)) {
        return NULL;
    }

    /* will hold arguments from both py_args and py_kwargs
     * when they are combined into a single tuple */
    combined_py_args = PyTuple_New (n_expected_args);

    for (i = 0, l = cache->arg_name_list; i < n_expected_args && l; i++, l = l->next) {
        PyObject *py_arg_item = NULL;
        PyObject *kw_arg_item = NULL;
        const gchar *arg_name = l->data;
        int arg_cache_index = -1;
        gboolean is_varargs_user_data = FALSE;

        if (arg_name != NULL)
            arg_cache_index = GPOINTER_TO_INT (g_hash_table_lookup (cache->arg_name_hash, arg_name));

        is_varargs_user_data = cache->user_data_varargs_index >= 0 &&
                                arg_cache_index == cache->user_data_varargs_index;

        if (n_py_kwargs > 0 && arg_name != NULL) {
            /* NULL means this argument has no keyword name */
            /* ex. the first argument to a method or constructor */
            kw_arg_item = PyDict_GetItemString (py_kwargs, arg_name);
        }

        /* use a bounded retrieval of the original input */
        if (i < n_py_args)
            py_arg_item = PyTuple_GET_ITEM (py_args, i);

        if (kw_arg_item == NULL && py_arg_item != NULL) {
            if (is_varargs_user_data) {
                /* For tail end user_data varargs, pull a slice off and we are done. */
                PyObject *user_data = PyTuple_GetSlice (py_args, i, PY_SSIZE_T_MAX);
                PyTuple_SET_ITEM (combined_py_args, i, user_data);
                return combined_py_args;
            } else {
                Py_INCREF (py_arg_item);
                PyTuple_SET_ITEM (combined_py_args, i, py_arg_item);
            }
        } else if (kw_arg_item != NULL && py_arg_item == NULL) {
            if (is_varargs_user_data) {
                /* Special case where user_data is passed as a keyword argument (user_data=foo)
                 * Wrap the value in a tuple to represent variable args for marshaling later on.
                 */
//.........这里部分代码省略.........

static PyObject *
subprocess_fork_exec(PyObject* self, PyObject *args)
{
    PyObject *gc_module = NULL;
    PyObject *executable_list, *py_fds_to_keep;
    PyObject *env_list, *preexec_fn;
    PyObject *process_args, *converted_args = NULL, *fast_args = NULL;
    PyObject *preexec_fn_args_tuple = NULL;
    int p2cread, p2cwrite, c2pread, c2pwrite, errread, errwrite;
    int errpipe_read, errpipe_write, close_fds, restore_signals;
    int call_setsid;
    PyObject *cwd_obj, *cwd_obj2;
    const char *cwd;
    pid_t pid;
    int need_to_reenable_gc = 0;
    char *const *exec_array, *const *argv = NULL, *const *envp = NULL;
    Py_ssize_t arg_num;
    int import_lock_held = 0;

    if (!PyArg_ParseTuple(
            args, "OOpOOOiiiiiiiiiiO:fork_exec",
            &process_args, &executable_list, &close_fds, &py_fds_to_keep,
            &cwd_obj, &env_list,
            &p2cread, &p2cwrite, &c2pread, &c2pwrite,
            &errread, &errwrite, &errpipe_read, &errpipe_write,
            &restore_signals, &call_setsid, &preexec_fn))
        return NULL;

    if (close_fds && errpipe_write < 3) {  /* precondition */
        PyErr_SetString(PyExc_ValueError, "errpipe_write must be >= 3");
        return NULL;
    }
    if (PySequence_Length(py_fds_to_keep) < 0) {
        PyErr_SetString(PyExc_ValueError, "cannot get length of fds_to_keep");
        return NULL;
    }
    if (_sanity_check_python_fd_sequence(py_fds_to_keep)) {
        PyErr_SetString(PyExc_ValueError, "bad value(s) in fds_to_keep");
        return NULL;
    }

    /* We need to call gc.disable() when we'll be calling preexec_fn */
    if (preexec_fn != Py_None) {
        PyObject *result;
        _Py_IDENTIFIER(isenabled);
        _Py_IDENTIFIER(disable);

        gc_module = PyImport_ImportModule("gc");
        if (gc_module == NULL)
            return NULL;
        result = _PyObject_CallMethodId(gc_module, &PyId_isenabled, NULL);
        if (result == NULL) {
            Py_DECREF(gc_module);
            return NULL;
        }
        need_to_reenable_gc = PyObject_IsTrue(result);
        Py_DECREF(result);
        if (need_to_reenable_gc == -1) {
            Py_DECREF(gc_module);
            return NULL;
        }
        result = _PyObject_CallMethodId(gc_module, &PyId_disable, NULL);
        if (result == NULL) {
            Py_DECREF(gc_module);
            return NULL;
        }
        Py_DECREF(result);
    }

    exec_array = _PySequence_BytesToCharpArray(executable_list);
    if (!exec_array)
        goto cleanup;

    /* Convert args and env into appropriate arguments for exec() */
    /* These conversions are done in the parent process to avoid allocating
       or freeing memory in the child process. */
    if (process_args != Py_None) {
        Py_ssize_t num_args;
        /* Equivalent to:  */
        /*  tuple(PyUnicode_FSConverter(arg) for arg in process_args)  */
        fast_args = PySequence_Fast(process_args, "argv must be a tuple");
        if (fast_args == NULL)
            goto cleanup;
        num_args = PySequence_Fast_GET_SIZE(fast_args);
        converted_args = PyTuple_New(num_args);
        if (converted_args == NULL)
            goto cleanup;
        for (arg_num = 0; arg_num < num_args; ++arg_num) {
            PyObject *borrowed_arg, *converted_arg;
            borrowed_arg = PySequence_Fast_GET_ITEM(fast_args, arg_num);
            if (PyUnicode_FSConverter(borrowed_arg, &converted_arg) == 0)
                goto cleanup;
            PyTuple_SET_ITEM(converted_args, arg_num, converted_arg);
        }

        argv = _PySequence_BytesToCharpArray(converted_args);
        Py_CLEAR(converted_args);
        Py_CLEAR(fast_args);
        if (!argv)
            goto cleanup;
//.........这里部分代码省略.........

void
ode_function(int *n, double *t, double *y, double *ydot)
{
    /*
    This is the function called from the Fortran code it should
        -- use call_python_function to get a multiarrayobject result
        -- check for errors and set *n to -1 if any
        -- otherwise place result of calculation in ydot
    */

    PyArrayObject *result_array = NULL;
    PyObject *arg1, *arglist;

    /* Append t to argument list */
    if ((arg1 = PyTuple_New(1)) == NULL) {
        *n = -1;
        return;
    }
    PyTuple_SET_ITEM(arg1, 0, PyFloat_FromDouble(*t));
    /* arg1 now owns newly created reference */
    if ((arglist = PySequence_Concat(arg1, global_params.extra_arguments)) == NULL) {
        *n = -1;
        Py_DECREF(arg1);
        return;
    }
    Py_DECREF(arg1);    /* arglist has reference */

    result_array = (PyArrayObject *)call_python_function(global_params.python_function,
                                                    *n, y, arglist, odepack_error);
    if (result_array == NULL) {
        *n = -1;
        Py_DECREF(arglist);
        return;
    }

    if (PyArray_NDIM(result_array) > 1) {
        *n = -1;
        PyErr_Format(PyExc_RuntimeError,
                "The array return by func must be one-dimensional, but got ndim=%d.",
                PyArray_NDIM(result_array));
        Py_DECREF(arglist);
        Py_DECREF(result_array);
        return;
    }

    if (PyArray_Size((PyObject *)result_array) != *n) {
        PyErr_Format(PyExc_RuntimeError,
            "The size of the array returned by func (%ld) does not match "
            "the size of y0 (%d).",
            PyArray_Size((PyObject *)result_array), *n);
        *n = -1;
        Py_DECREF(arglist);
        Py_DECREF(result_array);
        return;
    }

    memcpy(ydot, PyArray_DATA(result_array), (*n)*sizeof(double));
    Py_DECREF(result_array);
    Py_DECREF(arglist);
    return;
}

static PyObject *next(PyObject *self)
{
	ligolw_RowDumper *rowdumper = (ligolw_RowDumper *) self;
	const Py_ssize_t n = PyTuple_GET_SIZE(rowdumper->attributes);
	PyObject *tokens;
	PyObject *row;
	PyObject *result;
	Py_ssize_t i;

	/*
	 * retrieve the next row object
	 */

	if(!PyIter_Check(rowdumper->iter)) {
		PyErr_SetObject(PyExc_TypeError, rowdumper->iter);
		return NULL;
	}
	row = PyIter_Next(rowdumper->iter);
	if(!row) {
		if(!PyErr_Occurred()) {
			Py_DECREF(rowdumper->iter);
			rowdumper->iter = Py_None;
			Py_INCREF(rowdumper->iter);
			PyErr_SetNone(PyExc_StopIteration);
		}
		return NULL;
	}

	/*
	 * wipe out the tuple of tokens from the previous row, and start a
	 * new tuple
	 */

	Py_DECREF(rowdumper->tokens);
	rowdumper->tokens = Py_None;
	Py_INCREF(rowdumper->tokens);

	tokens = PyTuple_New(n);
	if(!tokens) {
		Py_DECREF(row);
		return NULL;
	}

	/*
	 * retrieve attributes from the row object one-by-one, convert to
	 * strings, and insert into new token tuple
	 */

	for(i = 0; i < n; i++) {
		PyObject *val = PyObject_GetAttr(row, PyTuple_GET_ITEM(rowdumper->attributes, i));
		PyObject *token;

		if(!val) {
			Py_DECREF(tokens);
			Py_DECREF(row);
			return NULL;
		}

		if(val == Py_None)
			token = PyUnicode_FromUnicode(NULL, 0); /* u"" */
		else
			token = PyObject_CallFunctionObjArgs(PyTuple_GET_ITEM(rowdumper->formats, i), val, NULL);
		Py_DECREF(val);

		if(!token) {
			Py_DECREF(tokens);
			Py_DECREF(row);
			return NULL;
		}

		PyTuple_SET_ITEM(tokens, i, token);
	}
	Py_DECREF(row);

	/*
	 * that worked, so expose the new token tuple
	 */

	Py_DECREF(rowdumper->tokens);
	rowdumper->tokens = tokens;

	/*
	 * return tokens concatenated into a single string using the
	 * delimiter
	 */

	result = PyUnicode_Join(rowdumper->delimiter, rowdumper->tokens);

	rowdumper->rows_converted += result != NULL;

	return result;
}

/* This function is called by the tp_dealloc handler to clear weak references.
 *
 * This iterates through the weak references for 'object' and calls callbacks
 * for those references which have one.  It returns when all callbacks have
 * been attempted.
 */
void
PyObject_ClearWeakRefs(PyObject *object)
{
    PyWeakReference **list;

    if (object == NULL
        || !PyType_SUPPORTS_WEAKREFS(Py_TYPE(object))
        || object->ob_refcnt != 0) {
        PyErr_BadInternalCall();
        return;
    }
    list = GET_WEAKREFS_LISTPTR(object);
    /* Remove the callback-less basic and proxy references */
    if (*list != NULL && (*list)->wr_callback == NULL) {
        clear_weakref(*list);
        if (*list != NULL && (*list)->wr_callback == NULL)
            clear_weakref(*list);
    }
    if (*list != NULL) {
        PyWeakReference *current = *list;
        Py_ssize_t count = _PyWeakref_GetWeakrefCount(current);
        int restore_error = PyErr_Occurred() ? 1 : 0;
        PyObject *err_type, *err_value, *err_tb;

        if (restore_error)
            PyErr_Fetch(&err_type, &err_value, &err_tb);
        if (count == 1) {
            PyObject *callback = current->wr_callback;

            current->wr_callback = NULL;
            clear_weakref(current);
            if (callback != NULL) {
                if (((PyObject *)current)->ob_refcnt > 0)
                    handle_callback(current, callback);
                Py_DECREF(callback);
            }
        }
        else {
            PyObject *tuple;
            Py_ssize_t i = 0;

            tuple = PyTuple_New(count * 2);
            if (tuple == NULL) {
                if (restore_error)
                    PyErr_Fetch(&err_type, &err_value, &err_tb);
                return;
            }

            for (i = 0; i < count; ++i) {
                PyWeakReference *next = current->wr_next;

                if (((PyObject *)current)->ob_refcnt > 0)
                {
                    Py_INCREF(current);
                    PyTuple_SET_ITEM(tuple, i * 2, (PyObject *) current);
                    PyTuple_SET_ITEM(tuple, i * 2 + 1, current->wr_callback);
                }
                else {
                    Py_DECREF(current->wr_callback);
                }
                current->wr_callback = NULL;
                clear_weakref(current);
                current = next;
            }
            for (i = 0; i < count; ++i) {
                PyObject *callback = PyTuple_GET_ITEM(tuple, i * 2 + 1);

                /* The tuple may have slots left to NULL */
                if (callback != NULL) {
                    PyObject *item = PyTuple_GET_ITEM(tuple, i * 2);
                    handle_callback((PyWeakReference *)item, callback);
                }
            }
            Py_DECREF(tuple);
        }
        if (restore_error)
            PyErr_Restore(err_type, err_value, err_tb);
    }
}

/*@[email protected]*/
static PyObject *
rpmfi_iternext(rpmfiObject * s)
	/*@globals _Py_NoneStruct @*/
	/*@modifies s, _Py_NoneStruct @*/
{
    PyObject * result = NULL;

    /* Reset loop indices on 1st entry. */
    if (!s->active) {
	s->fi = rpmfiInit(s->fi, 0);
	s->active = 1;
    }

    /* If more to do, return the file tuple. */
    if (rpmfiNext(s->fi) >= 0) {
	const char * FN = rpmfiFN(s->fi);
	int FSize = rpmfiFSize(s->fi);
	int FMode = rpmfiFMode(s->fi);
	int FMtime = rpmfiFMtime(s->fi);
	int FFlags = rpmfiFFlags(s->fi);
	int FRdev = rpmfiFRdev(s->fi);
	int FInode = rpmfiFInode(s->fi);
	int FNlink = rpmfiFNlink(s->fi);
	int FState = rpmfiFState(s->fi);
	int VFlags = rpmfiVFlags(s->fi);
	const char * FUser = rpmfiFUser(s->fi);
	const char * FGroup = rpmfiFGroup(s->fi);

	result = PyTuple_New(13);
	if (FN == NULL) {
	    Py_INCREF(Py_None);
	    PyTuple_SET_ITEM(result, 0, Py_None);
	} else
	    PyTuple_SET_ITEM(result,  0, Py_BuildValue("s", FN));
	PyTuple_SET_ITEM(result,  1, PyInt_FromLong(FSize));
	PyTuple_SET_ITEM(result,  2, PyInt_FromLong(FMode));
	PyTuple_SET_ITEM(result,  3, PyInt_FromLong(FMtime));
	PyTuple_SET_ITEM(result,  4, PyInt_FromLong(FFlags));
	PyTuple_SET_ITEM(result,  5, PyInt_FromLong(FRdev));
	PyTuple_SET_ITEM(result,  6, PyInt_FromLong(FInode));
	PyTuple_SET_ITEM(result,  7, PyInt_FromLong(FNlink));
	PyTuple_SET_ITEM(result,  8, PyInt_FromLong(FState));
	PyTuple_SET_ITEM(result,  9, PyInt_FromLong(VFlags));
	if (FUser == NULL) {
	    Py_INCREF(Py_None);
	    PyTuple_SET_ITEM(result, 10, Py_None);
	} else
	    PyTuple_SET_ITEM(result, 10, Py_BuildValue("s", FUser));
	if (FGroup == NULL) {
	    Py_INCREF(Py_None);
	    PyTuple_SET_ITEM(result, 11, Py_None);
	} else
	    PyTuple_SET_ITEM(result, 11, Py_BuildValue("s", FGroup));
	PyTuple_SET_ITEM(result, 12, rpmfi_Digest(s));
    } else
	s->active = 0;

    return result;
}

PY_GETSET_GETTER_DECL(TempVertex, weights) {
    PyObject* list = PyTuple_New(3);
    for (size_t i = 0; i < 3; ++i)
        PyTuple_SET_ITEM(list, i, pyPlasma_convert(self->fThis->fWeights[i]));
    return list;
}

/*
    def __adapt__(self, obj):
        """Adapt an object to the reciever
        """
        if self.providedBy(obj):
            return obj

        for hook in adapter_hooks:
            adapter = hook(self, obj)
            if adapter is not None:
                return adapter


*/
static PyObject *
__adapt__(PyObject *self, PyObject *obj)
{
  PyObject *decl, *args, *adapter;
  int implements, i, l;

  decl = providedBy(NULL, obj);
  if (decl == NULL)
    return NULL;

  if (PyObject_TypeCheck(decl, &SpecType))
    {
      PyObject *implied;

      implied = inst_attr(decl, str_implied);
      if (implied == NULL)
        {
          Py_DECREF(decl);
          return NULL;
        }

      implements = PyDict_GetItem(implied, self) != NULL;
      Py_DECREF(decl);
    }
  else
    {
      /* decl is probably a security proxy.  We have to go the long way
         around.
      */
      PyObject *r;
      r = PyObject_CallFunctionObjArgs(decl, self, NULL);
      Py_DECREF(decl);
      if (r == NULL)
        return NULL;
      implements = PyObject_IsTrue(r);
      Py_DECREF(r);
    }

  if (implements)
    {
      Py_INCREF(obj);
      return obj;
    }

  l = PyList_GET_SIZE(adapter_hooks);
  args = PyTuple_New(2);
  if (args == NULL)
    return NULL;
  Py_INCREF(self);
  PyTuple_SET_ITEM(args, 0, self);
  Py_INCREF(obj);
  PyTuple_SET_ITEM(args, 1, obj);
  for (i = 0; i < l; i++)
    {
      adapter = PyObject_CallObject(PyList_GET_ITEM(adapter_hooks, i), args);
      if (adapter == NULL || adapter != Py_None)
        {
          Py_DECREF(args);
          return adapter;
        }
      Py_DECREF(adapter);
    }

  Py_DECREF(args);

  Py_INCREF(Py_None);
  return Py_None;
}

PyObject * PyPreprocessor_scanHeaders( PyPreprocessor * self, PyObject * args, PyObject * kwds )
{
    static char * kwlist[] = { "pp_ctx", "filename", NULL };

    PyObject * pObject = 0;
    PyObject * filename = 0;

    assert( self->pp );

    if ( !PyArg_ParseTupleAndKeywords( args, kwds, "OO", kwlist, &pObject, &filename ) )
        return NULL;

    if ( !pObject || ( (PyTypeObject *)PyObject_Type( pObject ) != &PyPreprocessingContextType ) )
    {
        PyErr_SetString( PyExc_Exception, "Invalid preprocessing context parameter." );
        return NULL;
    }

    PyPreprocessingContext const * ppContext( reinterpret_cast<PyPreprocessingContext *>( pObject ) );

    if ( filename && !PyUnicode_Check( filename ) )
    {
        PyErr_SetString( PyExc_Exception, "Expected a string as 'filename' parameter." );
        return NULL;
    }

    Headers headers;
    HeaderList missing;
    PyThreadState * _save;
    bool result;
    try
    {
        Py_UNBLOCK_THREADS
        result = self->pp->scanHeaders( *ppContext->ppContext, PyUnicode_AsUTF8( filename ), headers, missing );
    }
    catch ( std::runtime_error const & error )
    {
        Py_BLOCK_THREADS
        PyErr_SetString( PyExc_RuntimeError, error.what() );
        return NULL;
    }
    catch ( std::exception const & error )
    {
        Py_BLOCK_THREADS
        PyErr_SetString( PyExc_Exception, error.what() );
        return NULL;
    }
    catch ( ... )
    {
        Py_BLOCK_THREADS
        PyErr_SetString( PyExc_Exception, "Unhandled exception" );
        return NULL;
    }
    
    if ( !result )
    {
        Py_BLOCK_THREADS
        PyErr_SetString( PyExc_Exception, "Failed to preprocess file." );
        return NULL;
    }

    // Group result by dir.
    typedef std::vector<Header const *> HeaderPtrList;
    typedef std::unordered_map<Dir, HeaderPtrList> DirsAndHeaders;
    DirsAndHeaders dirsAndHeaders;
    for ( Header const & header : headers )
        dirsAndHeaders[ header.dir ].push_back( &header );

    Py_BLOCK_THREADS
    PyObject * dirsTuple = PyTuple_New( dirsAndHeaders.size() );
    std::size_t dirIndex( 0 );
    for ( DirsAndHeaders::value_type const & dirAndHeaders : dirsAndHeaders )
    {
        PyObject * headersInDirTuple = PyTuple_New( dirAndHeaders.second.size() );
        std::size_t headersInDirTupleIndex( 0 );
        for ( Header const * header : dirAndHeaders.second )
        {
            PyObject * headerEntry = PyTuple_New( 3 );
            PyTuple_SET_ITEM( headerEntry, 0, PyUnicode_FromStringAndSize( header->name.get().data(), header->name.get().size() ) );

            PyObject * const isRelative( header->relative ? Py_True : Py_False );
            Py_INCREF( isRelative );
            PyTuple_SET_ITEM( headerEntry, 1, isRelative );
        
            PyContentEntry * contentEntry( (PyContentEntry *)_PyObject_New( &PyContentEntryType ) );
            contentEntry->ptr = header->contentEntry.get();
            intrusive_ptr_add_ref( contentEntry->ptr );

            PyTuple_SET_ITEM( headerEntry, 2, (PyObject *)contentEntry );
            PyTuple_SET_ITEM( headersInDirTuple, headersInDirTupleIndex++, headerEntry );
        }
        PyObject * dirTuple = PyTuple_New( 2 );
        llvm::StringRef const dirStr( dirAndHeaders.first.get() );
        PyObject * dir = PyUnicode_FromStringAndSize( dirStr.data(), dirStr.size() );
        PyTuple_SET_ITEM( dirTuple, 0, dir );
        PyTuple_SET_ITEM( dirTuple, 1, headersInDirTuple );
        PyTuple_SET_ITEM( dirsTuple, dirIndex++, dirTuple );
    }

    PyObject * missingHeadersTuple = PyTuple_New( missing.size() );
//.........这里部分代码省略.........

static rlm_rcode_t do_python(rlm_python_t *inst, REQUEST *request, PyObject *pFunc, char const *funcname, bool worker)
{
	vp_cursor_t	cursor;
	VALUE_PAIR      *vp;
	PyObject	*pRet = NULL;
	PyObject	*pArgs = NULL;
	int		tuplelen;
	int		ret;

	PyGILState_STATE gstate;
	PyThreadState	*prev_thread_state = NULL;	/* -Wuninitialized */
	memset(&gstate, 0, sizeof(gstate));		/* -Wuninitialized */

	/* Return with "OK, continue" if the function is not defined. */
	if (!pFunc)
		return RLM_MODULE_NOOP;

#ifdef HAVE_PTHREAD_H
	gstate = PyGILState_Ensure();
	if (worker) {
		PyThreadState *my_thread_state;
		my_thread_state = fr_thread_local_init(local_thread_state, do_python_cleanup);
		if (!my_thread_state) {
			my_thread_state = PyThreadState_New(inst->main_thread_state->interp);
			if (!my_thread_state) {
				REDEBUG("Failed initialising local PyThreadState on first run");
				PyGILState_Release(gstate);
				return RLM_MODULE_FAIL;
			}

			ret = fr_thread_local_set(local_thread_state, my_thread_state);
			if (ret != 0) {
				REDEBUG("Failed storing PyThreadState in TLS: %s", fr_syserror(ret));
				PyThreadState_Clear(my_thread_state);
				PyThreadState_Delete(my_thread_state);
				PyGILState_Release(gstate);
				return RLM_MODULE_FAIL;
			}
		}
		prev_thread_state = PyThreadState_Swap(my_thread_state);	/* Swap in our local thread state */
	}
#endif

	/* Default return value is "OK, continue" */
	ret = RLM_MODULE_OK;

	/*
	 *	We will pass a tuple containing (name, value) tuples
	 *	We can safely use the Python function to build up a
	 *	tuple, since the tuple is not used elsewhere.
	 *
	 *	Determine the size of our tuple by walking through the packet.
	 *	If request is NULL, pass None.
	 */
	tuplelen = 0;
	if (request != NULL) {
		for (vp = paircursor(&cursor, &request->packet->vps);
		     vp;
		     vp = pairnext(&cursor)) {
			tuplelen++;
		}
	}

	if (tuplelen == 0) {
		Py_INCREF(Py_None);
		pArgs = Py_None;
	} else {
		int i = 0;
		if ((pArgs = PyTuple_New(tuplelen)) == NULL) {
			ret = RLM_MODULE_FAIL;
			goto finish;
		}

		for (vp = paircursor(&cursor, &request->packet->vps);
		     vp;
		     vp = pairnext(&cursor), i++) {
			PyObject *pPair;

			/* The inside tuple has two only: */
			if ((pPair = PyTuple_New(2)) == NULL) {
				ret = RLM_MODULE_FAIL;
				goto finish;
			}

			if (mod_populate_vptuple(pPair, vp) == 0) {
				/* Put the tuple inside the container */
				PyTuple_SET_ITEM(pArgs, i, pPair);
			} else {
				Py_INCREF(Py_None);
				PyTuple_SET_ITEM(pArgs, i, Py_None);
				Py_DECREF(pPair);
			}
		}
	}

	/* Call Python function. */
	pRet = PyObject_CallFunctionObjArgs(pFunc, pArgs, NULL);

	if (!pRet) {
		ret = RLM_MODULE_FAIL;
//.........这里部分代码省略.........

static int
find_named_args(DispatcherObject *self, PyObject **pargs, PyObject **pkws)
{
    PyObject *oldargs = *pargs, *newargs;
    PyObject *kws = *pkws;
    Py_ssize_t pos_args = PyTuple_GET_SIZE(oldargs);
    Py_ssize_t named_args, total_args, i;
    Py_ssize_t func_args = PyTuple_GET_SIZE(self->argnames);
    Py_ssize_t defaults = PyTuple_GET_SIZE(self->defargs);
    /* Last parameter with a default value */
    Py_ssize_t last_def = (self->has_stararg)
                          ? func_args - 2
                          : func_args - 1;
    /* First parameter with a default value */
    Py_ssize_t first_def = last_def - defaults + 1;
    /* Minimum number of required arguments */
    Py_ssize_t minargs = first_def;

    if (kws != NULL)
        named_args = PyDict_Size(kws);
    else
        named_args = 0;
    total_args = pos_args + named_args;
    if (!self->has_stararg && total_args > func_args) {
        PyErr_Format(PyExc_TypeError,
                     "too many arguments: expected %d, got %d",
                     (int) func_args, (int) total_args);
        return -1;
    }
    else if (total_args < minargs) {
        if (minargs == func_args)
            PyErr_Format(PyExc_TypeError,
                         "not enough arguments: expected %d, got %d",
                         (int) minargs, (int) total_args);
        else
            PyErr_Format(PyExc_TypeError,
                         "not enough arguments: expected at least %d, got %d",
                         (int) minargs, (int) total_args);
        return -1;
    }
    newargs = PyTuple_New(func_args);
    if (!newargs)
        return -1;
    /* First pack the stararg */
    if (self->has_stararg) {
        Py_ssize_t stararg_size = Py_MAX(0, pos_args - func_args + 1);
        PyObject *stararg = PyTuple_New(stararg_size);
        if (!stararg) {
            Py_DECREF(newargs);
            return -1;
        }
        for (i = 0; i < stararg_size; i++) {
            PyObject *value = PyTuple_GET_ITEM(oldargs, func_args - 1 + i);
            Py_INCREF(value);
            PyTuple_SET_ITEM(stararg, i, value);
        }
        /* Put it in last position */
        PyTuple_SET_ITEM(newargs, func_args - 1, stararg);

    }
    for (i = 0; i < pos_args; i++) {
        PyObject *value = PyTuple_GET_ITEM(oldargs, i);
        if (self->has_stararg && i >= func_args - 1) {
            /* Skip stararg */
            break;
        }
        Py_INCREF(value);
        PyTuple_SET_ITEM(newargs, i, value);
    }

    /* Iterate over missing positional arguments, try to find them in
       named arguments or default values. */
    for (i = pos_args; i < func_args; i++) {
        PyObject *name = PyTuple_GET_ITEM(self->argnames, i);
        if (self->has_stararg && i >= func_args - 1) {
            /* Skip stararg */
            break;
        }
        if (kws != NULL) {
            /* Named argument? */
            PyObject *value = PyDict_GetItem(kws, name);
            if (value != NULL) {
                Py_INCREF(value);
                PyTuple_SET_ITEM(newargs, i, value);
                named_args--;
                continue;
            }
        }
        if (i >= first_def && i <= last_def) {
            /* Argument has a default value? */
            PyObject *value = PyTuple_GET_ITEM(self->defargs, i - first_def);
            Py_INCREF(value);
            PyTuple_SET_ITEM(newargs, i, value);
            continue;
        }
        else if (i < func_args - 1 || !self->has_stararg) {
            PyErr_Format(PyExc_TypeError,
                         "missing argument '%s'",
                         PyString_AsString(name));
            Py_DECREF(newargs);
//.........这里部分代码省略.........