使用pip安装Python库时遇[SSL: TLSV1_ALERT_PROTOCOL_VERSION]错误如何解决？

Hey there, let's break down what's going on and how to fix this issue:

Why This Happens #

Your pip version (9.0.1) is really outdated. PyPI stopped supporting older TLS protocols (TLSv1.0 and TLSv1.1) years ago, and old pip versions default to these deprecated protocols. That's exactly why you're seeing the [SSL: TLSV1_ALERT_PROTOCOL_VERSION] error—your pip can't establish a secure connection to PyPI anymore.

Step 1: Upgrade pip to a Modern Version #

Since your current pip can't connect to PyPI normally, use the official bootstrap script to upgrade it:

• If you're using Python 2.7 (note: Python 2.7 is end-of-life, but if you must use it):

  curl https://bootstrap.pypa.io/pip/2.7/get-pip.py | python
  

• If you're using Python 3.x:

  curl https://bootstrap.pypa.io/get-pip.py | python3
  

Wait for the script to finish—it'll install the latest compatible pip version for your Python setup.

Step 2: Try Installing xdict Again #

Once pip is updated, run the install command again:

pip install xdict

What If xdict Still Can't Be Found? #

If you still get the "no matching distribution found" error after upgrading pip, there are two likely reasons:

• The xdict package has been removed from PyPI entirely. You might need to check if the package was renamed, or if you can find it in a private repository or on GitHub.
• You might have a typo in the package name—double-check that you're spelling it correctly (e.g., is it xdicts or another variant?).

内容的提问来源于stack exchange，提问作者Nishant Nawarkhede