解决pip超时的问题
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pip下载包太久超时的话,会出现如下情况:
Collecting pip Downloading 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/2.7/site-packages/pip-7.1.0-py2.7.egg/pip/basecommand.py", line 223, in main status = self.run(options, args) File "/Library/Python/2.7/site-packages/pip-7.1.0-py2.7.egg/pip/commands/install.py", line 282, in run requirement_set.prepare_files(finder) File "/Library/Python/2.7/site-packages/pip-7.1.0-py2.7.egg/pip/req/req_set.py", line 334, in prepare_files functools.partial(self._prepare_file, finder)) File "/Library/Python/2.7/site-packages/pip-7.1.0-py2.7.egg/pip/req/req_set.py", line 321, in _walk_req_to_install more_reqs = handler(req_to_install) File "/Library/Python/2.7/site-packages/pip-7.1.0-py2.7.egg/pip/req/req_set.py", line 491, in _prepare_file session=self.session) File "/Library/Python/2.7/site-packages/pip-7.1.0-py2.7.egg/pip/download.py", line 825, in unpack_url session, File "/Library/Python/2.7/site-packages/pip-7.1.0-py2.7.egg/pip/download.py", line 673, in unpack_http_url from_path, content_type = _download_http_url(link, session, temp_dir) File "/Library/Python/2.7/site-packages/pip-7.1.0-py2.7.egg/pip/download.py", line 886, in _download_http_url _download_url(resp, link, content_file) File "/Library/Python/2.7/site-packages/pip-7.1.0-py2.7.egg/pip/download.py", line 621, in _download_url for chunk in progress_indicator(resp_read(4096), 4096): File "/Library/Python/2.7/site-packages/pip-7.1.0-py2.7.egg/pip/utils/ui.py", line 133, in iter for x in it: File "/Library/Python/2.7/site-packages/pip-7.1.0-py2.7.egg/pip/download.py", line 586, in resp_read decode_content=False): File "/Library/Python/2.7/site-packages/pip-7.1.0-py2.7.egg/pip/_vendor/requests/packages/urllib3/response.py", line 307, in stream data = self.read(amt=amt, decode_content=decode_content) File "/Library/Python/2.7/site-packages/pip-7.1.0-py2.7.egg/pip/_vendor/requests/packages/urllib3/response.py", line 267, in read raise ReadTimeoutError(self._pool, None, 'Read timed out.')ReadTimeoutError: HTTPSConnectionPool(host='pypi.python.org', port=443): Read timed out.
解决方法有3种:
1.手动换源(推荐)
手动指定源:
在 pip 后面跟-i 来指定源,比如用豆瓣的源来安装 web.py 框架:
pip install numpy -i https://pypi.doubanio.com/simple/
注意后面要有 /simple/ 目录
推荐的源除了豆瓣之外,还推荐清华大学的tuna源:
pip install numpy -i https://pypi.tuna.tsinghua.edu.cn/simple/
2.更改默认设置(不推荐)
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
- 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
pip –default-timeout=100 install numpy
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