我在尝试使用 pip 安装 numba JIT 编译器时收到一条很长的错误消息。我不知道它应该告诉我什么。我唯一能辨别的是，这可能是一种叫做llvmlite的东西的问题。我检查了网站，它说我不需要安装 LLVM 编译器库，因为 JIT 编译器无论如何都会忽略该程序的任何预安装版本。
https://numba.pydata.org/numba-doc/dev/user/installing.html
我正在运行一个最近的python安装(我最近从anaconda切换(，这是3.8版本。可能是 python3.8 导致了错误，因为它仍然相对较新？
追踪：
Collecting numba
Downloading https://files.pythonhosted.org/packages/33/6f/47d87ded23f3d1aa1e221d75278caf427e8da80649c14312172857bad64f/numba-0.46.0.tar.gz (1.9MB)
|████████████████████████████████| 1.9MB 3.3MB/s
Collecting llvmlite>=0.30.0dev0
Downloading https://files.pythonhosted.org/packages/8b/b0/df26861e6ce2fc91c8bb93ea808fa2e631ee8a29fc4c3bc96626b78dae74/llvmlite-0.30.0.tar.gz (110kB)
|████████████████████████████████| 112kB ...
Requirement already satisfied: numpy in c:pythonpython38libsite-packages (from numba) (1.17.4)
Installing collected packages: llvmlite, numba
Running setup.py install for llvmlite ... error
ERROR: Command errored out with exit status 1:
command: 'c:pythonpython38python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\Users\chris\AppData\Local\Temp\pip-install-2p6lwjaw\llvmlite\setup.py'"'"'; __file__='"'"'C:\Users\chris\AppData\Local\Temp\pip-install-2p6lwjaw\llvmlite\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'rn'"'"', '"'"'n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record 'C:UserschrisAppDataLocalTemppip-record-ywcimgksinstall-record.txt' --single-version-externally-managed --compile
cwd: C:UserschrisAppDataLocalTemppip-install-2p6lwjawllvmlite
Complete output (27 lines):
running install
running build
got version from file C:UserschrisAppDataLocalTemppip-install-2p6lwjawllvmlitellvmlite/_version.py {'version': '0.30.0', 'full': '3cad106e2f727bc400f1b426ce306b1e30e34b72'}
running build_ext
c:pythonpython38python.exe C:UserschrisAppDataLocalTemppip-install-2p6lwjawllvmliteffibuild.py
Trying generator 'Visual Studio 14 2015 Win64'
Traceback (most recent call last):
File "C:UserschrisAppDataLocalTemppip-install-2p6lwjawllvmliteffibuild.py", line 168, in <module>
main()
File "C:UserschrisAppDataLocalTemppip-install-2p6lwjawllvmliteffibuild.py", line 156, in main
main_win32()
File "C:UserschrisAppDataLocalTemppip-install-2p6lwjawllvmliteffibuild.py", line 88, in main_win32
generator = find_win32_generator()
File "C:UserschrisAppDataLocalTemppip-install-2p6lwjawllvmliteffibuild.py", line 76, in find_win32_generator
try_cmake(cmake_dir, build_dir, generator)
File "C:UserschrisAppDataLocalTemppip-install-2p6lwjawllvmliteffibuild.py", line 28, in try_cmake
subprocess.check_call(['cmake', '-G', generator, cmake_dir])
File "c:pythonpython38libsubprocess.py", line 359, in check_call
retcode = call(*popenargs, **kwargs)
File "c:pythonpython38libsubprocess.py", line 340, in call
with Popen(*popenargs, **kwargs) as p:
File "c:pythonpython38libsubprocess.py", line 854, in __init__
self._execute_child(args, executable, preexec_fn, close_fds,
File "c:pythonpython38libsubprocess.py", line 1307, in _execute_child
hp, ht, pid, tid = _winapi.CreateProcess(executable, args,
FileNotFoundError: [WinError 2] Das System kann die angegebene Datei nicht finden
error: command 'c:\python\python38\python.exe' failed with exit status 1
----------------------------------------
ERROR: Command errored out with exit status 1: 'c:pythonpython38python.exe' -u -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\Users\chris\AppData\Local\Temp\pip-install-2p6lwjaw\llvmlite\setup.py'"'"'; __file__='"'"'C:\Users\chris\AppData\Local\Temp\pip-install-2p6lwjaw\llvmlite\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'rn'"'"', '"'"'n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' install --record 'C:UserschrisAppDataLocalTemppip-record-ywcimgksinstall-record.txt' --single-version-externally-managed --compile Check the logs for full command output.
没关系：https://twitter.com/numba_jit/status/1189933337391095808
看起来如果他们在十月份没有对我撒谎，我现在随时都会安装我的 numba 0.47。