| // Protocol Buffers - Google's data interchange format |
| // Copyright 2023 Google LLC. All rights reserved. |
| // |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file or at |
| // https://developers.google.com/open-source/licenses/bsd |
| |
| #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__ |
