对于Python 回调函数(即传递给 C++ 的 std::function 回调)或虚函数重写(override)的情况,pybind11 提供了 PYBIND11_OVERRIDE 宏等方式来自动管理 GIL。在这些情况下,pybind11 会在调用 Python 回调时自动获取 GIL,确保线程安全。3. 手动获取/释放 GIL: 在某些情况下,如果 C++ 代码将调用时间较长(例如,执行大量...
对于类成员函数、lambda表达式或其他可调用对象就无能为力了，因此，C++11推出了std::function与std::...
using FrameFun = std::function<void(const std::vector<FrameData>&)>; class SDK_API Scanner { public: Scanner(); ~Scanner(); bool connect(const std::string& ip, int time_out = 100); bool disconnect(); bool capture_one_frame(std::vector<FrameData>& frame_data); bool start_capture(...
std::stringName(std::string&name) { std::cout<<"Name:"<< name <<std::endl;returnname; }namespacepy =pybind11; PYBIND11_MODULE(example1, m) { m.doc()="The general function"; m.def("age", &age); m.def("Name", &Name); } 回到顶部 三、pybind11基本用法 1、pybind11封装c++代...
std::function<void(int, float)> m_callback; }; ``` 3.在Python代码中,使用pybind11注册回调函数和类,例如: ```cpp #include <pybind11/pybind11.h> #include <pybind11/functional.h> namespace py = pybind11; PYBIND11_MODULE(my_module, m) { m.def("register_callback", [](py::object ...
MyClass(){} MyClass( double a_in, double b_in, int N_in) { N = N_in; a = a_in; b = b_in; } void run() { v_data = Eigen::VectorXd::LinSpaced(N, a, b); auto gammafunc = [](double it) { return std::tgamma(it); }; v_gamma = v_data.unaryExpr(gammafunc); }...
using TickEvent = std::function<void(std::int64_t elapsed_ms)>; using TickRunCallback = std::function<void()>; class Tick { public: using clock = std::chrono::high_resolution_clock; Tick(std::int64_t tick_ms, std::int64_t life_ms = std::numeric_limits<std::int64_t>::max()...
1. 为什么 pybind11 这类中间件是必要的 我们以 UE 官方的PythonScriptPlugin中的代码为例, 如果直接依赖 Python C API, 你实现出来的代码可能是如下这样的: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 // NOTE: _T = typing.TypeVar('_T') and Any/Type/Union/Mapping/Optional are defines by...
overload pure vitual function that return std::map#2185 yyfcc17 hello, i try to make a trampoline of a abstract class, but build failed. here is my trampoline code: class PyParameterOptimizer : public ParameterOptimizer { public: /* Inherit the constructors */ using ParameterOptimizer::Param...
{std::cout << "age = " << age << std::endl;}std::string Name(std::string& name) {std::cout << "Name: " << name << std::endl;return name;}namespace py = pybind11;PYBIND11_MODULE(example1, m){m.doc() = "The general function";m.def("age", &age);m.def("Name", ...