pypa / pipenv

Python Development Workflow for Humans.
https://pipenv.pypa.io
MIT License
24.87k stars 1.87k forks source link

Source Code Question #6227

Closed icbd closed 2 weeks ago

icbd commented 2 months ago

When I initialized the Pipefile, pipenv helped me create the directory of virtualenv, e.g. creator CPython3Posix(dest=/Users/icbd/.local/share/virtualenvs/未命名文件夹-AsmMYtXt

I was curious about how the name of this directory was generated, so I found the source code implementation.

https://github.com/pypa/pipenv/blob/32e18cd9aa9bf3ab7851c528275ceda61e2383e9/pipenv/project.py#L539-L546

Does the processing of base64.urlsafe_b64encode have any special considerations? It seems that using hex() would be enough.

Thanks

oz123 commented 1 month ago

What would be the advantage of hex over base64.urlsafe_b64encode?

matteius commented 1 month ago

@icbd did you know you can specify the name of your virtualenv with an environment variable override as well?

matteius commented 3 weeks ago

1. Problem Summary:

The issue questions the use of base64.urlsafe_b64encode in generating a unique hash for the virtual environment directory name. The user believes using hex() might be sufficient and seeks clarification on the rationale behind the chosen method.

2. Comment Analysis:

3. Proposed Resolution:

While the user's suggestion of using hex() to generate the hash is valid, base64.urlsafe_b64encode offers specific advantages in this context:

Therefore, continuing to use base64.urlsafe_b64encode remains a suitable approach for generating the virtual environment hash.

4. Code Snippet:

No code changes are necessary based on the current analysis.

5. Additional Steps:

By addressing the user's concerns and providing clear documentation, we can enhance understanding and maintain the benefits of the existing approach.