Python 3.13 0b4 pre-release: ERROR: Failed to build installable wheels for some pyproject.toml based projects (cffi)

[semuadmin]

Error while trying to install cffi using pip under python 3.13 0b4 pre-release:

 python3.13 -m pip install cffi

  error: subprocess-exited-with-error
  
  × Building wheel for cffi (pyproject.toml) did not run successfully.
  │ exit code: 1
  ╰─> [52 lines of output]
      running bdist_wheel
      running build
      running build_py
      creating build
      creating build/lib.macosx-10.13-universal2-cpython-313
      creating build/lib.macosx-10.13-universal2-cpython-313/cffi
      copying src/cffi/_imp_emulation.py -> build/lib.macosx-10.13-universal2-cpython-313/cffi
      copying src/cffi/backend_ctypes.py -> build/lib.macosx-10.13-universal2-cpython-313/cffi
      copying src/cffi/error.py -> build/lib.macosx-10.13-universal2-cpython-313/cffi
      copying src/cffi/setuptools_ext.py -> build/lib.macosx-10.13-universal2-cpython-313/cffi
      copying src/cffi/_shimmed_dist_utils.py -> build/lib.macosx-10.13-universal2-cpython-313/cffi
      copying src/cffi/__init__.py -> build/lib.macosx-10.13-universal2-cpython-313/cffi
      copying src/cffi/cffi_opcode.py -> build/lib.macosx-10.13-universal2-cpython-313/cffi
      copying src/cffi/vengine_gen.py -> build/lib.macosx-10.13-universal2-cpython-313/cffi
      copying src/cffi/pkgconfig.py -> build/lib.macosx-10.13-universal2-cpython-313/cffi
      copying src/cffi/model.py -> build/lib.macosx-10.13-universal2-cpython-313/cffi
      copying src/cffi/ffiplatform.py -> build/lib.macosx-10.13-universal2-cpython-313/cffi
      copying src/cffi/api.py -> build/lib.macosx-10.13-universal2-cpython-313/cffi
      copying src/cffi/vengine_cpy.py -> build/lib.macosx-10.13-universal2-cpython-313/cffi
      copying src/cffi/commontypes.py -> build/lib.macosx-10.13-universal2-cpython-313/cffi
      copying src/cffi/lock.py -> build/lib.macosx-10.13-universal2-cpython-313/cffi
      copying src/cffi/recompiler.py -> build/lib.macosx-10.13-universal2-cpython-313/cffi
      copying src/cffi/cparser.py -> build/lib.macosx-10.13-universal2-cpython-313/cffi
      copying src/cffi/verifier.py -> build/lib.macosx-10.13-universal2-cpython-313/cffi
      copying src/cffi/_cffi_include.h -> build/lib.macosx-10.13-universal2-cpython-313/cffi
      copying src/cffi/parse_c_type.h -> build/lib.macosx-10.13-universal2-cpython-313/cffi
      copying src/cffi/_embedding.h -> build/lib.macosx-10.13-universal2-cpython-313/cffi
      copying src/cffi/_cffi_errors.h -> build/lib.macosx-10.13-universal2-cpython-313/cffi
      running build_ext
      building '_cffi_backend' extension
      creating build/temp.macosx-10.13-universal2-cpython-313
      creating build/temp.macosx-10.13-universal2-cpython-313/src
      creating build/temp.macosx-10.13-universal2-cpython-313/src/c
      clang -fno-strict-overflow -Wsign-compare -Wunreachable-code -fno-common -dynamic -DNDEBUG -g -O3 -Wall -arch arm64 -arch x86_64 -DFFI_BUILDING=1 -DUSE__THREAD -DHAVE_SYNC_SYNCHRONIZE -I/usr/include/ffi -I/usr/include/libffi -I/Library/Frameworks/Python.framework/Versions/3.13/include/python3.13 -c src/c/_cffi_backend.c -o build/temp.macosx-10.13-universal2-cpython-313/src/c/_cffi_backend.o -iwithsysroot/usr/include/ffi
      src/c/_cffi_backend.c:4532:22: warning: 'Py_FileSystemDefaultEncoding' is deprecated [-Wdeprecated-declarations]
                           Py_FileSystemDefaultEncoding, &filename_or_null, &flags))
                           ^
      /Library/Frameworks/Python.framework/Versions/3.13/include/python3.13/fileobject.h:22:1: note: 'Py_FileSystemDefaultEncoding' has been explicitly marked deprecated here
      Py_DEPRECATED(3.12) PyAPI_DATA(const char *) Py_FileSystemDefaultEncoding;
      ^
      /Library/Frameworks/Python.framework/Versions/3.13/include/python3.13/pyport.h:251:54: note: expanded from macro 'Py_DEPRECATED'
      #define Py_DEPRECATED(VERSION_UNUSED) __attribute__((__deprecated__))
                                                           ^
      src/c/_cffi_backend.c:6121:9: error: call to undeclared function '_PyErr_WriteUnraisableMsg'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
              _PyErr_WriteUnraisableMsg(PyText_AS_UTF8(s), NULL);
              ^
      src/c/_cffi_backend.c:6121:9: note: did you mean 'PyErr_WriteUnraisable'?
      /Library/Frameworks/Python.framework/Versions/3.13/include/python3.13/pyerrors.h:233:18: note: 'PyErr_WriteUnraisable' declared here
      PyAPI_FUNC(void) PyErr_WriteUnraisable(PyObject *);
                       ^
      1 warning and 1 error generated.
      error: command '/usr/bin/clang' failed with exit code 1
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
  ERROR: Failed building wheel for cffi
ERROR: ERROR: Failed to build installable wheels for some pyproject.toml based projects (cffi)

[arigo]

Fixed already. See the discussion in #71

[semuadmin]

Fixed already. See the discussion in #71

sorted - thanks.

python3.13 -m pip install --pre cffi==1.17.0rc1