|  | // Protocol Buffers - Google's data interchange format | 
|  | // Copyright 2023 Google LLC.  All rights reserved. | 
|  | // https://developers.google.com/protocol-buffers/ | 
|  | // | 
|  | // Redistribution and use in source and binary forms, with or without | 
|  | // modification, are permitted provided that the following conditions are | 
|  | // met: | 
|  | // | 
|  | //     * Redistributions of source code must retain the above copyright | 
|  | // notice, this list of conditions and the following disclaimer. | 
|  | //     * Redistributions in binary form must reproduce the above | 
|  | // copyright notice, this list of conditions and the following disclaimer | 
|  | // in the documentation and/or other materials provided with the | 
|  | // distribution. | 
|  | //     * Neither the name of Google LLC nor the names of its | 
|  | // contributors may be used to endorse or promote products derived from | 
|  | // this software without specific prior written permission. | 
|  | // | 
|  | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 
|  | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 
|  | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 
|  | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 
|  | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 
|  | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 
|  | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 
|  | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 
|  | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 
|  | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 
|  | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 
|  |  | 
|  | #ifndef PYUPB_PYTHON_H__ | 
|  | #define PYUPB_PYTHON_H__ | 
|  |  | 
|  | // We restrict ourselves to the limited API, so that a single build can be | 
|  | // ABI-compatible with a wide range of Python versions. | 
|  | // | 
|  | // The build system will define Py_LIMITED_API as appropriate (see BUILD). We | 
|  | // only want to define it for our distribution packages, since we can do some | 
|  | // extra assertions when Py_LIMITED_API is not defined.  Also Py_LIMITED_API is | 
|  | // incompatible with Py_DEBUG. | 
|  |  | 
|  | // #define Py_LIMITED_API <val>  // Defined by build system when appropriate. | 
|  |  | 
|  | #include "Python.h" | 
|  |  | 
|  | // Ideally we could restrict ourselves to the limited API of 3.7, but this is | 
|  | // a very important function that was not officially added to the limited API | 
|  | // until 3.10.  Without this function, there is no way of getting data from a | 
|  | // Python `str` object without a copy. | 
|  | // | 
|  | // While this function was not *officially* added to the limited API until | 
|  | // Python 3.10, In practice it has been stable since Python 3.1. | 
|  | //   https://bugs.python.org/issue41784 | 
|  | // | 
|  | // On Linux/ELF and macOS/Mach-O, we can get away with using this function with | 
|  | // the limited API prior to 3.10. | 
|  |  | 
|  | #if (defined(__linux__) || defined(__APPLE__)) && defined(Py_LIMITED_API) && \ | 
|  | Py_LIMITED_API < 0x03100000 | 
|  | PyAPI_FUNC(const char*) | 
|  | PyUnicode_AsUTF8AndSize(PyObject* unicode, Py_ssize_t* size); | 
|  | #endif | 
|  |  | 
|  | #endif  // PYUPB_PYTHON_H__ |