C++ (Cpp) PyParser_ASTFromFile Examples

Example #1

File: pyinjectcode.c Project: albertz/pydbattach

static PyCodeObject *
parse_source_module(const char *pathname, FILE *fp)
{
    PyCodeObject *co = NULL;
    mod_ty mod;
    PyCompilerFlags flags;
    PyArena *arena = PyArena_New();
    if (arena == NULL)
        return NULL;
	
    flags.cf_flags = 0;
	
    mod = PyParser_ASTFromFile(
		fp, pathname,
#if PY_MAJOR_VERSION >= 3
		"utf-8",
#endif
		Py_file_input, 0, 0, &flags,
		NULL, arena);
    if (mod) {
        co = PyAST_Compile(mod, pathname, NULL, arena);
    }
    PyArena_Free(arena);
    return co;
}

Example #2

File: import_module.c Project: yuriyao/PS

/*将源文件编译为字节码文件*/
static PyCodeObject*
compile(FILE *fp)
{
	PyCodeObject *co = NULL;
	mod_ty mod;
	PyCompilerFlags flags;
	PyArena *arena = PyArena_New();
	
	if(arena == NULL)
	{
		Ps_Log("Py arena new failed\n", Ps_LOG_WARING);
		return NULL;
	}
	
	flags.cf_flags = 0;
	mod = PyParser_ASTFromFile(fp, "", Py_file_input, 0, 0, &flags, NULL, arena);
	
	if(mod)
	{
		co = PyAST_Compile(mod, "", NULL, arena);
	}
	
	PyArena_Free(arena);
	
	return co;
}

Example #3

File: pythonrun.c Project: hangyan/python-source-code

PyObject *
PyRun_FileExFlags(FILE *fp, const char *filename, int start, PyObject *globals,
		  PyObject *locals, int closeit, PyCompilerFlags *flags)
{
	PyObject *ret;
	mod_ty mod;
	PyArena *arena = PyArena_New();
	if (arena == NULL)
		return NULL;
	
	mod = PyParser_ASTFromFile(fp, filename, start, 0, 0,
				   flags, NULL, arena);
	if (closeit)
		fclose(fp);
	if (mod == NULL) {
		PyArena_Free(arena);
		return NULL;
	}
	ret = run_mod(mod, filename, globals, locals, flags, arena);
	PyArena_Free(arena);
	return ret;
}

Example #4

File: pythonrun.c Project: hangyan/python-source-code

int
PyRun_InteractiveOneFlags(FILE *fp, const char *filename, PyCompilerFlags *flags)
{
	PyObject *m, *d, *v, *w;
	mod_ty mod;
	PyArena *arena;
	char *ps1 = "", *ps2 = "";
	int errcode = 0;

	v = PySys_GetObject("ps1");
	if (v != NULL) {
		v = PyObject_Str(v);
		if (v == NULL)
			PyErr_Clear();
		else if (PyString_Check(v))
			ps1 = PyString_AsString(v);
	}
	w = PySys_GetObject("ps2");
	if (w != NULL) {
		w = PyObject_Str(w);
		if (w == NULL)
			PyErr_Clear();
		else if (PyString_Check(w))
			ps2 = PyString_AsString(w);
	}
	arena = PyArena_New();
	if (arena == NULL) {
		Py_XDECREF(v);
		Py_XDECREF(w);
		return -1;
	}
	mod = PyParser_ASTFromFile(fp, filename,
				   Py_single_input, ps1, ps2,
				   flags, &errcode, arena);
	Py_XDECREF(v);
	Py_XDECREF(w);
	if (mod == NULL) {
		PyArena_Free(arena);
		if (errcode == E_EOF) {
			PyErr_Clear();
			return E_EOF;
		}
		PyErr_Print();
		return -1;
	}
	m = PyImport_AddModule("__main__");
	if (m == NULL) {
		PyArena_Free(arena);
		return -1;
	}
	d = PyModule_GetDict(m);
	v = run_mod(mod, filename, d, d, flags, arena);
	PyArena_Free(arena);
	if (v == NULL) {
		PyErr_Print();
		return -1;
	}
	Py_DECREF(v);
	if (Py_FlushLine())
		PyErr_Clear();
	return 0;
}