python3.6 pip安装oss2遇到的问题_pip oss2 安装不上-优快云博客

本文链接：https://blog.youkuaiyun.com/longchun_csdn/article/details/119138685

本文记录了在Python 3.6环境下安装OSS2 SDK过程中遇到的问题及解决办法，包括解决setuptools_rust缺失、setuptools版本过旧等问题。

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由于我的环境安装的是python3.6及pip3.6，与python2.7(系统默认)共存的，基本上来说安装过程还是很简单的，下面记录了一些安装过程中遇到的问题：

pip3.6 install oss2

报错：

 Complete output from command python setup.py egg_info:

            =============================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-48095srz/cryptography/setup.py", line 14, in <module>
        from setuptools_rust import RustExtension
    ModuleNotFoundError: No module named 'setuptools_rust'

这里是 setuptools_rust的问题，安装即可

pip3.6 install setuptools_rust

安装seuptools_rust时又遇到下面错误：

FileNotFoundError: [Errno 2] 没有那个文件或目录: '/usr/local/lib/python3.6/site-packages/setuptools-19.6-py3.6.egg'

这是由于setuptools版本太老的缘故，升级即可：

python3.6 -m pip install -U pip setuptools

升级完成后再次执行pip安装oss2命令：

pip3.6 install oss2

此时会报一个警告：

WARNING: pip is being invoked by an old script wrapper. This will fail in a future version of pip.
Please see https://github.com/pypa/pip/issues/5599 for advice on fixing the underlying issue.
To avoid this problem you can invoke Python with '-m pip' instead of running pip directly.

这是pip的版本的问题，可以不用管他，到这里oss2的安装基本就顺利完成，可以开始使用python oss sdk开发了。