1：安裝命令

pip install docker-compose

異常信息

socket.timeout: The read operation timed out

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/usr/local/lib/python3.6/site-packages/pip/_internal/cli/base_command.py", line 188, in _main
status = self.run(options, args)
File "/usr/local/lib/python3.6/site-packages/pip/_internal/cli/req_command.py", line 185, in wrapper
return func(self, options, args)
File "/usr/local/lib/python3.6/site-packages/pip/_internal/commands/install.py", line 333, in run
reqs, check_supported_wheels=not options.target_dir
File "/usr/local/lib/python3.6/site-packages/pip/_internal/resolution/legacy/resolver.py", line 179, in resolve
discovered_reqs.extend(self._resolve_one(requirement_set, req))
File "/usr/local/lib/python3.6/site-packages/pip/_internal/resolution/legacy/resolver.py", line 362, in _resolve_one
abstract_dist = self._get_abstract_dist_for(req_to_install)
File "/usr/local/lib/python3.6/site-packages/pip/_internal/resolution/legacy/resolver.py", line 314, in _get_abstract_dist_for
abstract_dist = self.preparer.prepare_linked_requirement(req)
File "/usr/local/lib/python3.6/site-packages/pip/_internal/operations/prepare.py", line 469, in prepare_linked_requirement
hashes=hashes,
File "/usr/local/lib/python3.6/site-packages/pip/_internal/operations/prepare.py", line 259, in unpack_url
hashes=hashes,
File "/usr/local/lib/python3.6/site-packages/pip/_internal/operations/prepare.py", line 130, in get_http_url
link, downloader, temp_dir.path, hashes
File "/usr/local/lib/python3.6/site-packages/pip/_internal/operations/prepare.py", line 281, in _download_http_url
for chunk in download.chunks:
File "/usr/local/lib/python3.6/site-packages/pip/_internal/cli/progress_bars.py", line 166, in iter
for x in it:
File "/usr/local/lib/python3.6/site-packages/pip/_internal/network/utils.py", line 39, in response_chunks
decode_content=False,
File "/usr/local/lib/python3.6/site-packages/pip/_vendor/urllib3/response.py", line 564, in stream
data = self.read(amt=amt, decode_content=decode_content)
File "/usr/local/lib/python3.6/site-packages/pip/_vendor/urllib3/response.py", line 529, in read
raise IncompleteRead(self._fp_bytes_read, self.length_remaining)
File "/usr/lib64/python3.6/contextlib.py", line 99, in __exit__
self.gen.throw(type, value, traceback)
File "/usr/local/lib/python3.6/site-packages/pip/_vendor/urllib3/response.py", line 430, in _error_catcher
raise ReadTimeoutError(self._pool, None, "Read timed out.")
pip._vendor.urllib3.exceptions.ReadTimeoutError: HTTPSConnectionPool(host='files.pythonhosted.org', port=443): Read timed out.

網上有網友說加上超時時間，但并沒有解決我這個問題。

pip --default-timeout=100 install docker-compose

這個應該是沒有翻墻導致下載超時。所以需要修改pip 的源

按照網上例子，臨時修改了pip的源，再次執(zhí)行安裝命令，也沒有解決我的問題

[root@localhost bin]# pip install numpy -i https://pypi.tuna.tsinghua.edu.cn/simple/

后來又看到一篇博客，這種方式解決了我的問題，修改源借鑒的是https://blog.csdn.net/h106140873/article/details/103858931 博客。

1：在根目錄下創(chuàng)建pip文件夾（我是使用的root用戶）

mkdir ~/.pip

2：在 .pip目錄中創(chuàng)建 pip.conf文件

touch pip.conf

3：編輯 pip.conf 文件，添加如下兩行內容

[global]
index-url = https://pypi.tuna.tsinghua.edu.cn/simple

再次執(zhí)行 pip --default-timeout=100 install docker-compose 命令，安裝成功。并且下載速度很快

注：pip國內的一些鏡像

阿里云 http://mirrors.aliyun.com/pypi/simple/
中國科技大學 https://pypi.mirrors.ustc.edu.cn/simple/
豆瓣(douban) http://pypi.douban.com/simple/
清華大學 https://pypi.tuna.tsinghua.edu.cn/simple/
中國科學技術大學 http://pypi.mirrors.ustc.edu.cn/simple/

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