Windows10下使用pip安装urllib提示找不到匹配版本问题求助

报错原因 #

urllib是Python的标准库组件，从Python 3.x版本开始就随Python安装包默认自带，不需要通过pip从PyPI仓库安装。所以执行pip install urllib这类命令时，pip在PyPI上找不到对应的包，就会抛出"No matching distribution found"的错误。

正确使用方式 #

直接在Python代码中导入即可使用，Python 3中urllib被拆分为多个子模块，常用导入示例：

# 导入请求模块
import urllib.request
# 导入解析模块
import urllib.parse

处理pip版本升级提示 #

你看到的pip版本警告，建议指定对应Python版本的命令升级，避免环境混淆：
如果你使用的是Python 3.10，执行以下命令：

py -3.10 -m pip install --upgrade pip

这会确保升级的是Python3.10对应的pip版本，而非路径中显示的Python3.9的pip。

你执行的命令及报错信息 #

C:\Users\User\AppData\Local\Programs\Python\Python310>py -m pip install urllib
ERROR: Could not find a version that satisfies the requirement urllib (from versions: none)
ERROR: No matching distribution found for urllib

C:\Users\User\AppData\Local\Programs\Python\Python310>pip install urllib
ERROR: Could not find a version that satisfies the requirement urllib (from versions: none)
ERROR: No matching distribution found for urllib
WARNING: You are using pip version 22.0.4; however, version 22.2.2 is available.
You should consider upgrading via the 'C:\Users\User\AppData\Local\Microsoft\WindowsApps\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\python.exe -m pip install --upgrade pip' command.

C:\Users\User\AppData\Local\Programs\Python\Python310>pip3 install urllib
ERROR: Could not find a version that satisfies the requirement urllib (from versions: none)
ERROR: No matching distribution found for urllib
WARNING: You are using pip version 22.0.4; however, version 22.2.2 is available.
You should consider upgrading via the 'C:\Users\User\AppData\Local\Microsoft\WindowsApps\PythonSoftwareFoundation.Python.3.9_qbz5n2kfra8p0\python.exe -m pip install --upgrade pip' command.

内容的提问来源于stack exchange，提问作者Sandip Dipa Ray