在window上面更新pip时，报ReadTimeoutError错误，具体如下：
/s eta 0:17:58[31m Exception:
Traceback (most recent call last):
File "C:\Python27\lib\site-packages\pip\basecommand.py", line 246, in main
status = self.run(options, args)
File "C:\Python27\lib\site-packages\pip\commands\install.py", line 342, in r
un
requirement_set.prepare_files(finder)
File "C:\Python27\lib\site-packages\pip\req\req_set.py", line 345, in prepar
e_files
functools.partial(self._prepare_file, finder))
File "C:\Python27\lib\site-packages\pip\req\req_set.py", line 290, in _walk_
req_to_install
more_reqs = handler(req_to_install)
File "C:\Python27\lib\site-packages\pip\req\req_set.py", line 487, in _prepa
re_file
download_dir, do_download, session=self.session,
File "C:\Python27\lib\site-packages\pip\download.py", line 827, in unpack_ur
l
session,
File "C:\Python27\lib\site-packages\pip\download.py", line 673, in unpack_ht
tp_url
from_path, content_type = _download_http_url(link, session, temp_dir)
File "C:\Python27\lib\site-packages\pip\download.py", line 888, in _download
_http_url
_download_url(resp, link, content_file)
File "C:\Python27\lib\site-packages\pip\download.py", line 621, in _download
_url
for chunk in progress_indicator(resp_read(4096), 4096):
File "C:\Python27\lib\site-packages\pip\utils\ui.py", line 133, in iter
for x in it:
File "C:\Python27\lib\site-packages\pip\download.py", line 586, in resp_read
decode_content=False):
File "C:\Python27\lib\site-packages\pip\_vendor\requests\packages\urllib3\re
sponse.py", line 273, in stream
data = self.read(amt=amt, decode_content=decode_content)
File "C:\Python27\lib\site-packages\pip\_vendor\requests\packages\urllib3\re
sponse.py", line 227, in read
raise ReadTimeoutError(self._pool, None, 'Read timed out.')
ReadTimeoutError: HTTPSConnectionPool(host='pypi.python.org', port=443): Read
timed out.
解决办法
- 到https://pypi.python.org/simple/pip/下载最新的whl文件进行更新
- 加大超时时间，如下：
> pip --default-timeout=100 install -U pip
其实在使用pip安装一些包文件的时候如果遇到这样的问题，也是可以通过加大超时时间或者直接下载要安装文件的整个安装包来安装。