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我正在尝试安装 web3.py (pip install web3) 并收到此错误：“python setup.py egg_info”失败。

我该如何解决这个问题并安装 web3.py？

 ERROR: Command errored out with exit status 1:
     command: 'C:\Users\onlyd\AppData\Local\Continuum\anaconda3\python.exe' -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\onlyd\\AppData\\Local\\Temp\\pip-install-ji347dtb\\pycryptodome\\setup.py'"'"'; __file__='"'"'C:\\Users\\onlyd\\AppData\\Local\\Temp\\pip-install-ji347dtb\\pycryptodome\\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base pip-egg-info
         cwd: C:\Users\onlyd\AppData\Local\Temp\pip-install-ji347dtb\pycryptodome\
    Complete output (20 lines):
    Traceback (most recent call last):
      File "<string>", line 1, in <module>
      File "C:\Users\onlyd\AppData\Local\Temp\pip-install-ji347dtb\pycryptodome\setup.py", line 468, in <module>
        set_compiler_options(package_root, ext_modules)
      File "C:\Users\onlyd\AppData\Local\Temp\pip-install-ji347dtb\pycryptodome\compiler_opt.py", line 341, in set_compiler_options
        clang = compiler_is_clang()
      File "C:\Users\onlyd\AppData\Local\Temp\pip-install-ji347dtb\pycryptodome\compiler_opt.py", line 251, in compiler_is_clang
        return test_compilation(source, msg="clang")
      File "C:\Users\onlyd\AppData\Local\Temp\pip-install-ji347dtb\pycryptodome\compiler_opt.py", line 82, in test_compilation
        objects = compiler.compile([fname], extra_postargs=extra_cc_options)
      File "C:\Users\onlyd\AppData\Local\Continuum\anaconda3\lib\distutils\_msvccompiler.py", line 346, in compile
        self.initialize()
      File "C:\Users\onlyd\AppData\Local\Continuum\anaconda3\lib\distutils\_msvccompiler.py", line 239, in initialize
        vc_env = _get_vc_env(plat_spec)
      File "C:\Users\onlyd\AppData\Local\Continuum\anaconda3\lib\site-packages\setuptools\msvc.py", line 316, in msvc14_get_vc_env
        return _msvc14_get_vc_env(plat_spec)
      File "C:\Users\onlyd\AppData\Local\Continuum\anaconda3\lib\site-packages\setuptools\msvc.py", line 271, in _msvc14_get_vc_env
        "Unable to find vcvarsall.bat"
    distutils.errors.DistutilsPlatformError: Microsoft Visual C++ 14.0 or greater is required. Get it with "Microsoft C++ Build Tools": https://visualstudio.microsoft.com/visual-cpp-build-tools/
    Testing support for clang
    ----------------------------------------
ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.
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1 回答 1

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请参阅：需要 Microsoft Visual C++ 14.0 或更高版本。使用“Microsoft C++ 构建工具”获取它：https ://visualstudio.microsoft.com/visual-cpp-build-tools/

您需要一个 C 编译器来安装 web3.py 正在使用的依赖项。

于 2021-09-07T15:01:53.260 回答