// // Created by shenjack on 2022/7/6. // #define PY_SSIZE_T_CLEAN #define Py_size long long int #include #include static PyObject *pycprint_print(PyObject *self, PyObject *args){ const char *text; if(!PyArg_ParseTuple(args, "s", &text)){ // 解析 text return NULL; }; printf("%s", text); Py_RETURN_NONE; }; Py_UCS4 *get_ucs4from_unicode(PyObject *unicode){ }; static PyObject *pycpint_printf(PyObject *self, PyObject *args, PyObject *kwargs){ printf("args == NULL: %d\n", args == NULL); printf("kwargs == NULL: %d\n", kwargs == NULL); const char *end = "\n"; const char *sep = " "; if (args != NULL){ // 传入了字符串 Py_ssize_t text_len = PyTuple_Size(args); // 获取字符串的长度 PyObject *cache_obj; // 创建一个缓存 for (Py_ssize_t i = 0; i < text_len; i++){ // for 遍历 cache_obj = PyTuple_GetItem(args, i); // 获取一个字符串 if (cache_obj == NULL){ return NULL; }; // 出毛病了就报错 if (PyUnicode_Check(cache_obj) == 1) { // 他不是个字符串(实际上如果有pyi文件就不需要这个检查) } else if (PyList_Check(cache_obj) == 1) { }; }; printf("text_len = %lld\n", (Py_size)text_len); }; if(kwargs != NULL){ // 传入了 end 或者 sep Py_ssize_t kwargs_len = PyDict_Size(kwargs); printf("kwargs_len = %lld\n", (Py_size) kwargs_len);; if(PyDict_Contains(kwargs, PyUnicode_FromString("end"))){ // 如果包含 end 的参数 PyObject *end_unicode; // 整个缓存 end_unicode = PyDict_GetItemString(kwargs, "end"); // 先获取出来 Pyobj if(!PyUnicode_READY(end_unicode)){ return NULL; }; // 确认这个字符串对象可以用宏 Py_ssize_t end_unicode_len = PyUnicode_GetLength(end_unicode); // 缓存一手长度 Py_UCS4 *new_end = malloc(sizeof(char) * end_unicode_len); // 提前分配好不定长度的字符串内存 for (Py_ssize_t i = 0; i < end_unicode_len; i++){ new_end[i] = PyUnicode_ReadChar(end_unicode, i); // 每一位对应读取 }; }; }; printf("%s", end); Py_RETURN_NONE; }; static PyMethodDef PyCprintMethods[] = { {"print", pycprint_print, METH_VARARGS, "直接使用c的printf输出"}, {"printf", (PyCFunction)(void(*))pycpint_printf, METH_VARARGS | METH_KEYWORDS, "传入类似py print然后进行format的print"}, {NULL, NULL, 0, NULL} }; static struct PyModuleDef pycprintmodule = { PyModuleDef_HEAD_INIT, "pycprint", "直接调用c的printf", -1, PyCprintMethods }; PyMODINIT_FUNC PyInit_pycprint(void){ return PyModule_Create(&pycprintmodule); }