cython 3 defaults to language_level=3str [0] which leads to build failures. fastkde needs to either restrict build dependency to cython <3 or explicitly set language_level in cythonized files.
Building wheel for fastkde (pyproject.toml): started
Building wheel for fastkde (pyproject.toml): finished with status 'error'
error: subprocess-exited-with-error
Building wheel for fastkde (pyproject.toml) did not run successfully.
exit code: 1
[118 lines of output]
running bdist_wheel
running build
running build_py
creating build
creating build\lib.win32-cpython-38
creating build\lib.win32-cpython-38\fastkde
copying fastkde\__init__.py -> build\lib.win32-cpython-38\fastkde
copying fastkde\fastKDE.py -> build\lib.win32-cpython-38\fastkde
copying fastkde\empiricalCharacteristicFunction.py -> build\lib.win32-cpython-38\fastkde
copying fastkde\plot.py -> build\lib.win32-cpython-38\fastkde
copying fastkde\version.py -> build\lib.win32-cpython-38\fastkde
running build_ext
Compiling fastkde/floodFillSearch.pyx because it changed.
[1/1] Cythonizing fastkde/floodFillSearch.pyx
building 'fastkde.floodFillSearch' extension
creating build\temp.win32-cpython-38
creating build\temp.win32-cpython-38\Release
creating build\temp.win32-cpython-38\Release\fastkde
"C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Tools\MSVC\14.35.32215\bin\HostX86\x86\cl.exe" /c /nologo /O2 /W3 /GL /DNDEBUG /MD -IC:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\numpy\core\include -Id:\a\_temp\_venv\include -IC:\hostedtoolcache\windows\Python\3.8.10\x86\include -IC:\hostedtoolcache\windows\Python\3.8.10\x86\Include "-IC:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Tools\MSVC\14.35.32215\include" "-IC:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Tools\MSVC\14.35.32215\ATLMFC\include" "-IC:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Auxiliary\VS\include" "-IC:\Program Files (x86)\Windows Kits\10\include\10.0.22621.0\ucrt" "-IC:\Program Files (x86)\Windows Kits\10\\include\10.0.22621.0\\um" "-IC:\Program Files (x86)\Windows Kits\10\\include\10.0.22621.0\\shared" "-IC:\Program Files (x86)\Windows Kits\10\\include\10.0.22621.0\\winrt" "-IC:\Program Files (x86)\Windows Kits\10\\include\10.0.22621.0\\cppwinrt" "-IC:\Program Files (x86)\Windows Kits\NETFXSDK\4.8\include\um" /Tcfastkde/floodFillSearch.c /Fobuild\temp.win32-cpython-38\Release\fastkde/floodFillSearch.obj
floodFillSearch.c
C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\numpy\core\include\numpy\npy_1_7_deprecated_api.h(14) : Warning Msg: Using deprecated NumPy API, disable it with #define NPY_NO_DEPRECATED_API NPY_1_7_API_VERSION
fastkde/floodFillSearch.c(1506): warning C4005: '__pyx_nonatomic_int_type': macro redefinition
fastkde/floodFillSearch.c(1457): note: see previous definition of '__pyx_nonatomic_int_type'
fastkde/floodFillSearch.c(20294): warning C4244: 'function': conversion from '__pyx_t_5numpy_int64_t' to 'Py_ssize_t', possible loss of data
"C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Tools\MSVC\14.35.32215\bin\HostX86\x86\link.exe" /nologo /INCREMENTAL:NO /LTCG /DLL /MANIFEST:EMBED,ID=2 /MANIFESTUAC:NO /LIBPATH:d:\a\_temp\_venv\libs /LIBPATH:C:\hostedtoolcache\windows\Python\3.8.10\x86\libs /LIBPATH:C:\hostedtoolcache\windows\Python\3.8.10\x86 /LIBPATH:d:\a\_temp\_venv\PCbuild\win32 "/LIBPATH:C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Tools\MSVC\14.35.32215\ATLMFC\lib\x86" "/LIBPATH:C:\Program Files\Microsoft Visual Studio\2022\Enterprise\VC\Tools\MSVC\14.35.32215\lib\x86" "/LIBPATH:C:\Program Files (x86)\Windows Kits\NETFXSDK\4.8\lib\um\x86" "/LIBPATH:C:\Program Files (x86)\Windows Kits\10\lib\10.0.22621.0\ucrt\x86" "/LIBPATH:C:\Program Files (x86)\Windows Kits\10\\lib\10.0.22621.0\\um\x86" /EXPORT:PyInit_floodFillSearch build\temp.win32-cpython-38\Release\fastkde/floodFillSearch.obj /OUT:build\lib.win32-cpython-38\fastkde\floodFillSearch.cp38-win32.pyd /IMPLIB:build\temp.win32-cpython-38\Release\fastkde\floodFillSearch.cp38-win32.lib
Creating library build\temp.win32-cpython-38\Release\fastkde\floodFillSearch.cp38-win32.lib and object build\temp.win32-cpython-38\Release\fastkde\floodFillSearch.cp38-win32.exp
Generating code
Finished generating code
C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\setuptools\dist.py:745: SetuptoolsDeprecationWarning: Invalid dash-separated options
!!
********************************************************************************
Usage of dash-separated 'description-file' will not be supported in future
versions. Please use the underscore name 'description_file' instead.
By 2023-Sep-26, you need to update your project and remove deprecated calls
or your builds will no longer be supported.
See https://setuptools.pypa.io/en/latest/userguide/declarative_config.html for details.
********************************************************************************
!!
opt = self.warn_dash_deprecation(opt, section)
C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\Cython\Compiler\Main.py:381: FutureWarning: Cython directive 'language_level' not set, using '3str' for now (Py3). This has changed from earlier releases! File: C:\Users\runneradmin\AppData\Local\Temp\pip-install-el084xlh\fastkde_2b864b1912344941bf5112bd7f08f036\fastkde\floodFillSearch.pyx
tree = Parsing.p_module(s, pxd, full_module_name)
C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\Cython\Compiler\Main.py:381: FutureWarning: Cython directive 'language_level' not set, using '3str' for now (Py3). This has changed from earlier releases! File: C:\Users\runneradmin\AppData\Local\Temp\pip-install-el084xlh\fastkde_2b864b1912344941bf5112bd7f08f036\fastkde\nufft.pyx
tree = Parsing.p_module(s, pxd, full_module_name)
Error compiling Cython file:
------------------------------------------------------------
...
tau = 0.5993
nspread = 10
else:
tau = 1.5629
nspread = 28
nspreadhalf = nspread/2
^
------------------------------------------------------------
fastkde\nufft.pyx:161:25: Cannot assign type 'double' to 'long'
Compiling fastkde/nufft.pyx because it changed.
[1/1] Cythonizing fastkde/nufft.pyx
Traceback (most recent call last):
File "d:\a\_temp\_venv\lib\site-packages\pip\_vendor\pyproject_hooks\_in_process\_in_process.py", line 353, in <module>
main()
File "d:\a\_temp\_venv\lib\site-packages\pip\_vendor\pyproject_hooks\_in_process\_in_process.py", line 335, in main
json_out['return_val'] = hook(**hook_input['kwargs'])
File "d:\a\_temp\_venv\lib\site-packages\pip\_vendor\pyproject_hooks\_in_process\_in_process.py", line 251, in build_wheel
return _build_backend().build_wheel(wheel_directory, config_settings,
File "C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\setuptools\build_meta.py", line 416, in build_wheel
return self._build_with_temp_dir(['bdist_wheel'], '.whl',
File "C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\setuptools\build_meta.py", line 401, in _build_with_temp_dir
self.run_setup()
File "C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\setuptools\build_meta.py", line 338, in run_setup
exec(code, locals())
File "<string>", line 47, in <module>
File "C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\setuptools\__init__.py", line 107, in setup
return distutils.core.setup(**attrs)
File "C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\setuptools\_distutils\core.py", line 185, in setup
return run_commands(dist)
File "C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\setuptools\_distutils\core.py", line 201, in run_commands
dist.run_commands()
File "C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\setuptools\_distutils\dist.py", line 969, in run_commands
self.run_command(cmd)
File "C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\setuptools\dist.py", line 1234, in run_command
super().run_command(command)
File "C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\setuptools\_distutils\dist.py", line 988, in run_command
cmd_obj.run()
File "C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\wheel\bdist_wheel.py", line 346, in run
self.run_command("build")
File "C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\setuptools\_distutils\cmd.py", line 318, in run_command
self.distribution.run_command(command)
File "C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\setuptools\dist.py", line 1234, in run_command
super().run_command(command)
File "C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\setuptools\_distutils\dist.py", line 988, in run_command
cmd_obj.run()
File "C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\setuptools\_distutils\command\build.py", line 131, in run
self.run_command(cmd_name)
File "C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\setuptools\_distutils\cmd.py", line 318, in run_command
Building wheel for pytest-pycodestyle (setup.py): started
self.distribution.run_command(command)
File "C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\setuptools\dist.py", line 1234, in run_command
super().run_command(command)
File "C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\setuptools\_distutils\dist.py", line 988, in run_command
cmd_obj.run()
File "C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\setuptools\_distutils\command\build_ext.py", line 345, in run
self.build_extensions()
File "C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\setuptools\_distutils\command\build_ext.py", line 467, in build_extensions
self._build_extensions_serial()
File "C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\setuptools\_distutils\command\build_ext.py", line 493, in _build_extensions_serial
self.build_extension(ext)
File "C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\Cython\Distutils\build_ext.py", line 122, in build_extension
new_ext = cythonize(
File "C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\Cython\Build\Dependencies.py", line 1134, in cythonize
cythonize_one(*args)
File "C:\Users\runneradmin\AppData\Local\Temp\pip-build-env-6r53t1l_\overlay\Lib\site-packages\Cython\Build\Dependencies.py", line 1301, in cythonize_one
raise CompileError(None, pyx_file)
Cython.Compiler.Errors.CompileError: fastkde/nufft.pyx
[end of output]
note: This error originates from a subprocess, and is likely not a problem with pip.
ERROR: Failed building wheel for fastkde
cython 3 defaults to
language_level=3str[0] which leads to build failures. fastkde needs to either restrict build dependency to cython <3 or explicitly set language_level in cythonized files.[0] https://cython.readthedocs.io/en/latest/src/userguide/migrating_to_cy30.html