failed to establish a new connection: [errno 11001] getaddrinfo failed'

该错误通常是由于网络连接问题引起的。具体地说，它可能是因为计算机无法解析服务器的 IP 地址导致的。解决方法可能包括检查计算机的网络设置、检查服务器是否正常运行、以及尝试使用另一台计算机来访问服务器等。

相关问题

Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPConnection object at 0x000001E441947F28>: Failed to establish a new connection: [Errno 11001] getaddrinfo failed',)': /simple/ Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPConnection object at 0x000001E44196F208>: Failed to establish a new connection: [Errno 11001] getaddrinfo failed',)': /simple/ Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPConnection object at 0x000001E44196F400>: Failed to establish a new connection: [Errno 11001] getaddrinfo failed',)': /simple/ Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPConnection object at 0x000001E440AF1828>: Failed to establish a new connection: [Errno 11001] getaddrinfo failed',)': /simple/ Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPConnection object at 0x000001E440AF1E48>: Failed to establish a new connection: [Errno 11001] getaddrinfo failed',)': /simple/

这个错误信息表明在使用pip安装Python包的时候，连接到远程服务器获取数据的过程中发生了连接错误。可能原因是网络不稳定，或者远程服务器出现了故障。您可以尝试重新运行pip命令，或者等待一段时间后再尝试安装。如果问题持续存在，您可以尝试更换网络环境或者联系远程服务器管理员。另外，您也可以通过手动下载包文件并使用pip安装本地文件的方式来解决这个问题。

WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x000001B9BA068E20>: Failed to establish a new connection: [Errno 11001] getaddrinfo failed')': /simple/opencv-python/ WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x000001B9BA0890A0>: Failed to establish a new connection: [Errno 11001] getaddrinfo failed')': /simple/opencv-python/ WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x000001B9BA0892B0>: Failed to establish a new connection: [Errno 11001] getaddrinfo failed')': /simple/opencv-python/ WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x000001B9BA0894C0>: Failed to establish a new connection: [Errno 11001] getaddrinfo failed')': /simple/opencv-python/ WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'NewConnectionError('<pip._vendor.urllib3.connection.HTTPSConnection object at 0x000001B9BA0896D0>: Failed to establish a new connection: [Errno 11001] getaddrinfo failed')': /simple/opencv-python/ ERROR: Could not find a version that satisfies the requirement opencv-python>=4.1.2 ERROR: No matching distribution found for opencv-python>=4.1.2

这个错误提示显示你的pip尝试连接到 https://pypi.org/simple/opencv-python/ 时失败了。这可能是因为你的网络连接存在问题，或者该网站正在维护。你可以尝试以下几种解决方案：

1. 检查你的网络连接，确保你能够正常访问互联网。
2. 暂时更换 pip 源，使用其他的源来下载 opencv-python。例如，可以使用清华大学的镜像源，命令为：`pip install -i https://pypi.tuna.tsinghua.edu.cn/simple opencv-python`
3. 等待一段时间后再尝试下载，因为有可能该网站正在维护。
4. 手动下载 opencv-python 的安装文件，然后通过本地文件安装。可以到 https://pypi.org/project/opencv-python/#files 这个网站下载对应版本的安装文件，然后通过 `pip install <本地文件路径>` 命令进行安装。