MacOS High Sierra下Spacy 2.0.11与regex版本不兼容问题求助

Hey, I get it—dependency conflicts can be super frustrating when you're just trying to update a tool like setuptools. Let's break down how to fix this issue where spacy 2.0.11 is demanding regex==2017.4.5, but you've got a newer (incompatible) regex 2017.11.9 installed.

Option 1: Downgrade regex to match spacy's requirement #

This is the quickest fix if you need to keep using spacy 2.0.11. Just force-install the exact regex version spacy needs, then upgrade setuptools like normal:

pip install regex==2017.4.5
pip install --upgrade setuptools

This will align your regex version with spacy's dependency, so the warning should disappear, and setuptools will update successfully.

Option 2: Upgrade spacy to a version compatible with newer regex #

If you don't mind updating spacy, newer versions of spacy (even later 2.x releases, or the 3.x series) are built to work with more recent regex versions. This way you can keep the updated regex and still use spacy without conflicts:

pip install --upgrade spacy
pip install --upgrade setuptools

A quick heads-up: Upgrading spacy might change other dependencies too, so if you're working on a project that relies heavily on spacy 2.0.11's specific behavior, consider testing this in a separate environment first.

Option 3: Use a virtual environment to isolate dependencies #

If you have multiple Python projects on your Mac, virtual environments are your best friend to avoid these kinds of global dependency messes. Here's how to set one up for your project:

• Create a new virtual environment:

  python -m venv my-project-env
  

• Activate it (this changes your terminal session to use the isolated environment):

  source my-project-env/bin/activate
  

• Install your required packages (including spacy 2.0.11) and upgrade setuptools inside the env:

  pip install spacy==2.0.11
  pip install --upgrade setuptools
  

Since this environment is separate from your global Python setup, you won't run into conflicts with other projects.

Bonus: Ignore the warning (not recommended) #

If you really just need to update setuptools right now and don't care about spacy working temporarily, you can force the upgrade while ignoring the regex conflict. But be warned—this might break spacy until you fix the version mismatch:

pip install --upgrade setuptools --ignore-installed regex

内容的提问来源于stack exchange，提问作者Hari_pb