python3 pip3 install 报错 ReadTimeoutError: HTTPSConnectionPool(host=‘xxx‘, port=443): Read timed 解决方法

错误现象

方法一：手动指定源

方法二：更改默认源

方法三：手动设置延时

错误现象

Collecting pipDownloading pip-9.0.1-py2.py3-none-any.whl (1.3MB)0% |                                | 4.1kB 17.7MB/s eta 0:00:01Exception:
Traceback (most recent call last):File "/Library/Python/3.7/site-packages/pip-7.1.0-py3.7.egg/pip/basecommand.py", line 223, in mainstatus = self.run(options, args)File "/Library/Python/3.7/site-packages/pip-7.1.0-py3.7.egg/pip/commands/install.py", line 282, in runrequirement_set.prepare_files(finder)File "/Library/Python/3.7/site-packages/pip-7.1.0-py3.7.egg/pip/req/req_set.py", line 334, in prepare_filesfunctools.partial(self._prepare_file, finder))File "/Library/Python/3.7/site-packages/pip-7.1.0-py3.7.egg/pip/req/req_set.py", line 321, in _walk_req_to_installmore_reqs = handler(req_to_install)File "/Library/Python/3.7/site-packages/pip-7.1.0-py3.7.egg/pip/req/req_set.py", line 491, in _prepare_filesession=self.session)File "/Library/Python/3.7/site-packages/pip-7.1.0-py3.7.egg/pip/download.py", line 825, in unpack_urlsession,File "/Library/Python/3.7/site-packages/pip-7.1.0-py3.7.egg/pip/download.py", line 673, in unpack_http_urlfrom_path, content_type = _download_http_url(link, session, temp_dir)File "/Library/Python/3.7/site-packages/pip-7.1.0-py3.7.egg/pip/download.py", line 886, in _download_http_url_download_url(resp, link, content_file)File "/Library/Python/3.7/site-packages/pip-7.1.0-py3.7.egg/pip/download.py", line 621, in _download_urlfor chunk in progress_indicator(resp_read(4096), 4096):File "/Library/Python/3.7/site-packages/pip-7.1.0-py3.7.egg/pip/utils/ui.py", line 133, in iterfor x in it:File "/Library/Python/3.7/site-packages/pip-7.1.0-py3.7.egg/pip/download.py", line 586, in resp_readdecode_content=False):File "/Library/Python/3.7/site-packages/pip-7.1.0-py3.7.egg/pip/_vendor/requests/packages/urllib3/response.py", line 307, in streamdata = self.read(amt=amt, decode_content=decode_content)File "/Library/Python/3.7/site-packages/pip-7.1.0-py3.7.egg/pip/_vendor/requests/packages/urllib3/response.py", line 267, in readraise ReadTimeoutError(self._pool, None, 'Read timed out.')
ReadTimeoutError: HTTPSConnectionPool(host='pypi.python.org', port=443): Read timed out.

方法一：手动指定源

在 pip3 后面跟-i 来指定源，比如用豆瓣的源来安装 web.py 框架：

pip3 install numpy -i https://pypi.doubanio.com/simple/

注意后面要有 /simple/ 目录

国内可用源：

阿里云：https://mirrors.aliyun.com/pypi/simple/

中国科技大学：https://pypi.mirrors.ustc.edu.cn/simple/

豆瓣(douban) ：https://pypi.doubanio.com/simple/

清华大学： https://pypi.tuna.tsinghua.edu.cn/simple/

腾讯源：https://mirrors.cloud.tencent.com/pypi/simple

方法二：更改默认源

需要创建或修改配置文件（ linux 的文件在~/.pip/pip.conf ， windows 在%HOMEPATH%\pip\pip.ini ），修改内容为：

[global]
index-url = http://mirrors.aliyun.com/pypi/simple/
[install]
trusted-host=mirrors.aliyun.com

如果不加后面的 install

则需要每次在命令后面加上 --trusted-host

方法三：手动设置延时

需要看包的大小，有时可以下载下来，有时会卡住

pip3 --default-timeout=1000 install numpy

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python3 pip3 install 报错 ReadTimeoutError: HTTPSConnectionPool(host=‘xxx‘, port=443): Read timed 解决方法

错误现象

方法一：手动指定源

方法二：更改默认源

方法三：手动设置延时

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