在Python3.6虚拟环境执行get-pip.py安装pip时遇WinError31错误求助

Hey there, let's work through that frustrating WinError 31 you're hitting when trying to install pip in your myvenv_python3 virtual environment. I've dealt with similar Windows-specific glitches before, so here are actionable steps to resolve this:

1. Refresh Your Virtual Environment #

Corrupted virtual environments can cause weird device-related errors. Let's start fresh:

• First, exit your current virtual environment:

  deactivate
  

• Delete the existing environment (use the command matching your terminal):
  • Command Prompt:

    rmdir /s myvenv_python3
    

  • PowerShell:

    Remove-Item -Recurse -Force myvenv_python3
    

• Recreate the virtual environment:

  python -m venv myvenv_python3
  

• Activate it again:

  myvenv_python3\Scripts\activate
  

• Now re-run your get-pip.py command.

2. Use a Stable PyPI Mirror for Downloads #

The error might stem from unstable connections to the official PyPI servers. Switch to a reliable mirror to avoid download interruptions:

python get-pip.py --trusted-host=pypi.org --trusted-host=pypi.python.org --trusted-host=files.pythonhosted.org -i https://pypi.tuna.tsinghua.edu.cn/simple

3. Check File Location and System Permissions #

WinError 31 often ties to external storage devices or insufficient permissions:

• If you're running get-pip.py from an external drive (like a USB stick), move the file to your local C: drive (e.g., C:\Users\Kaleab\Documents) and try again.
• Launch your terminal as Administrator (right-click Command Prompt/PowerShell > "Run as administrator") before executing the install command—this ensures you have full access to system resources.

4. Manually Install Pip via Wheel Package #

If the above steps fail, bypass the online download by manually installing the pip wheel:

1. Download the pip 10.0.1 wheel file (pip-10.0.1-py2.py3-none-any.whl) to your local machine.
2. Navigate to the folder containing the wheel file in your activated virtual environment, then run:

   python -m pip install pip-10.0.1-py2.py3-none-any.whl
   

   (If you don't have pip at all yet, use python -m wheel install pip-10.0.1-py2.py3-none-any.whl instead—ensure you have the wheel package installed first, or include it in your get-pip.py command.)

内容的提问来源于stack exchange，提问作者Kaleab Woldemariam