| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| #include "python_private.h" |
| |
| |
| // Convert a Python string type object to a C null terminated string. Caller |
| // must free the returned string buffer. Returns NULL if python object is not |
| // a string-ish type to start with (i.e. expects string type, error if not) |
| char *py_string_2_c(PyObject *py_str) |
| { |
| char *str = NULL; |
| if (!py_str) return NULL; |
| |
| if (PyUnicode_Check(py_str)) { |
| // python 3 str OR python 2 unicode type |
| PyObject *ref = PyUnicode_AsUTF8String(py_str); |
| if (ref) { |
| // now a bytes object |
| str = strdup(PyBytes_AS_STRING(ref)); |
| Py_DECREF(ref); |
| } |
| } else if (PyBytes_Check(py_str)) { |
| // python 2 str |
| str = strdup(PyBytes_AS_STRING(py_str)); |
| } |
| return str; |
| } |
| |
| // Convert the string representation of an arbitrary Python type object to a |
| // null terminated C string. Equivalent to calling 'str(o)' in Python. Caller |
| // must free the returned string buffer. |
| char *py_obj_2_c_string(PyObject *py_obj) |
| { |
| char *str = NULL; |
| PyObject *tmp = NULL; |
| |
| if (!py_obj) return NULL; |
| |
| // first convert to a python string object |
| if (PyUnicode_Check(py_obj) || PyBytes_Check(py_obj)) { |
| // A python string type - no need to call str(py_obj) |
| tmp = py_obj; |
| Py_INCREF(tmp); // for decref below |
| } else { |
| // create a new object via str(py_obj); |
| tmp = PyObject_Str(py_obj); |
| } |
| str = py_string_2_c(tmp); |
| Py_XDECREF(tmp); |
| return str; |
| } |
| |