Python 3.6.9。ImportError：没有名为 setuptools_rust 的模块，并且命令“python setup.py Egg_info”失败，错误代码为 1

Question

我正在尝试安装 pyOpenSSl 并显示以下错误

已满足要求： /home/tony/hx-preinstaller-venv/lib/python3.6/site-packages 中的六个>=1.5.2（来自 pyOpenSSL） 收集加密>=3.3（来自 pyOpenSSL） 使用缓存的https:// files.pythonhosted.org/packages/cc/98/8a258ab4787e6f835d350639792527d2eb7946ff9fc0caca9c3f4cf5dcfe/cryptography-3.4.8.tar.gz 命令 python setup.py Egg_info 的完整输出：

        =============================DEBUG ASSISTANCE==========================
        If you are seeing an error here please try the following to
        successfully install cryptography:

        Upgrade to the latest pip and try again. This will fix errors for most
        users. See: https://pip.pypa.io/en/stable/installing/#upgrading-pip
        =============================DEBUG ASSISTANCE==========================

Traceback (most recent call last):
  File "<string>", line 1, in <module>
  File "/tmp/pip-build-8toyhikv/cryptography/setup.py", line 14, in <module>
    from setuptools_rust import RustExtension
ModuleNotFoundError: No module named 'setuptools_rust'

我运行的命令

pip install pyOpenSSL

提前致谢

Answer 1

尝试升级 pip 并安装 setuptools-rust：

pip install --upgrade pip
pip install setuptools-rust

Answer 2

您是否尝试过先升级 pip 本身？

pip install --upgrade pip