python pip安装失败11001错误 解决方法

网上查的那些加上--trusted-host 对我的问题没有作用,以下是尝试了多种方式得到的解决方法。

目标是为了安装pymysql库。

C:\WINDOWS\system32>pip install pymysql
Looking in indexes: http://mirrors.aliyun.com/pypi/simple/
ERROR: Could not install packages due to an OSError: Missing dependencies for SOCKS support.

从以上提示,得知是因为用了vitual proxy network配置。进行了如下尝试:

先在cmd中查看 echo http_proxy 以及https_proxy

在cmd中执行 set http_proxy=""   以及 set https_proxy (注意,这只针对当前的CMD窗口,不改变系统环境变量以及其他的CMD窗口以及后来新打开的CMD窗口)

然后再次执行pip install pymysql,报错为:

        C:\WINDOWS\system32>pip install pymysql
Looking in indexes: http://mirrors.aliyun.com/pypi/simple/
WARNING: Retrying (Retry(total=4, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', NewConnectionError(': Failed to establish a new connection: [Errno 11001] getaddrinfo failed'))': http://mirrors.aliyun.com/pypi/simple/pymysql/
WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', NewConnectionError(': Failed to establish a new connection: [Errno 11001] getaddrinfo failed'))': http://mirrors.aliyun.com/pypi/simple/pymysql/
WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', NewConnectionError(': Failed to establish a new connection: [Errno 11001] getaddrinfo failed'))': http://mirrors.aliyun.com/pypi/simple/pymysql/
WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', NewConnectionError(': Failed to establish a new connection: [Errno 11001] getaddrinfo failed'))': http://mirrors.aliyun.com/pypi/simple/pymysql/
WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'ProxyError('Cannot connect to proxy.', NewConnectionError(': Failed to establish a new connection: [Errno 11001] getaddrinfo failed'))': http://mirrors.aliyun.com/pypi/simple/pymysql/
ERROR: Could not find a version that satisfies the requirement pymysql (from versions: none)
ERROR: No matching distribution found for pymysql

尝试关闭专用网络,并没有作用。

最后解决方法:

pip config list

C:\WINDOWS\system32>pip config list
global.index-url='http://mirrors.aliyun.com/pypi/simple/'
install.trusted-host='mirrors.aliyun.com'

ping mirrors.aliyun.com

C:\WINDOWS\system32>ping mirrors.aliyun.com

Pinging mirrors.aliyun.com.w.alikunlun.com [112.132.37.201] with 32 bytes of data:
Reply from 112.132.37.201: bytes=32 time=11ms TTL=55

Ping statistics for 112.132.37.201:

因此可以用:

pip install pymysql --proxy 112.132.37.201:80

对了,对于最上面的“ERROR: Could not install packages due to an OSError: Missing dependencies for SOCKS support.”问题,安装pysock即可解决,后续就不用再set http_proxy=""了。

pip install pysocks --proxy 112.132.37.201:80

!!!注意,以上是pysocks,不是pysock,这是两个不同的库

附:linux平台只需要unset http_proxy以及unset https_proxy即可。

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