/* * Copyright (c) 2009-2021, Google LLC * All rights reserved. * * 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 Google LLC 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 // 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__