我想使用Pybind11或直接将Python C API将此Python代码转换为C ++代码:
mat-grid-tile
这是我目前使用的Pybind11:
import ast
code = "print('Hello World!')"
code_ast = ast.parse(code, mode="exec") # "code" being a string containing code
# ... perform some modifications on "code_ast"
exec(compile(code_ast, filename="<ast>", mode="exec"))
不幸的是,C ++代码的最后一行引发了运行时错误:#include <iostream>
#include "pybind11/embed.h"
namespace py = pybind11;
std::string code = "print('Hello World!')";
py::module ast = py::module::import("ast");
py::module builtins = py::module::import("builtins");
py::object code_ast = ast.attr("parse")(code, "<unknown>", "exec");
// ... perform some modifications on "code_ast"
py::object compiled_code = builtins.attr("compile")(code_ast, "<ast>", "exec");
builtins.attr("exec")(compiled_code);
。
我不确定我是否理解此错误,我尝试将SystemError: frame does not exist
和globals
传递给locals
,但这并不能解决问题。
编辑:通过exec
时,它说:globals
关于如何正确实现此目标的任何想法?
答案 0 :(得分:0)
我找到了答案,我没有使用Pybind11的globals
函数,而是Python(builtins.attr("globals")()
)的内置函数。
这是工作版本:
py::module ast = py::module::import("ast");
py::module builtins = py::module::import("builtins");
py::object code_ast = ast.attr("parse")(code, "<unknown>", "exec");
// ... perform some modifications on "code_ast"
py::object compiled_code = builtins.attr("compile")(code_ast, "<ast>", "exec");
builtins.attr("exec")(compiled_code, py::globals());