安装 Flask 出错 - V2EX
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这是一个创建于 3595 天前的主题,其中的信息可能已经有所发展或是发生改变。

Flask

按照教程 http://docs.jinkan.org/docs/flask/installation.html#system-wide-installation 的方法进行安装,进行到 pip install Flask 的时候报错,用镜像方式安装也不行。

但是退出 virtualenv 环境安装 Flask 是可以的。有没有人遇到类似的情况,怎么解决的?新手求教!

10 条回复    2015-12-09 08:42:34 +08:00
mianju
    1
mianju  
   2015-12-08 19:11:34 +08:00
试试直接 pip install Flask 看看?
ChiChou
    2
ChiChou  
   2015-12-08 19:17:00 +08:00   1
其实错误已经告诉你怎么做了

pip install -i http://pypi.douban.com/simple trusted-host=pypi.douban.com Flask
tanteng
    3
tanteng  
OP
   2015-12-08 19:21:34 +08:00
@ChiChou 谢谢,但是这样又报如下错误:

File "d:\firstflask\venv\lib\site-packages\pip\_vendor\pkg_resources\__init__.py", line 2980, in parse
reqs = list(parse_requirements(s))
File "d:\firstflask\venv\lib\site-packages\pip\_vendor\pkg_resources\__init__.py", line 2924, in parse_requirements
"version spec")
File "d:\firstflask\venv\lib\site-packages\pip\_vendor\pkg_resources\__init__.py", line 2889, in scan_list
raise RequirementParseError(msg, line, "at", line[p:])
RequirementParseError: Expected version spec in trusted-host=pypi.douban.com at =pypi.douban.com
bingxx
    4
bingxx  
   2015-12-08 19:21:42 +08:00   1
pip install Flask -i http://pypi.douban.com/simple/ --trusted-host pypi.douban.com
tanteng
    5
tanteng  
OP
   2015-12-08 19:21:50 +08:00
@mianju 那样不行的,一直连不上, retry ,然后就没了
tanteng
    6
tanteng  
OP
   2015-12-08 19:22:59 +08:00
@tanteng 可以了,参数--trusted-host ,少打一个-
tanteng
    7
tanteng  
OP
   2015-12-08 19:23:15 +08:00
@bingxx 3Q ,正解!四楼!
joshz
    8
joshz  
   2015-12-08 19:30:13 +08:00   1
把 trusted-host 选项加到你默认的 pip.conf 里面,这样以后就不会再碰到此问题了。具体方法自己动手搜下。
ChiChou
    9
ChiChou  
   2015-12-09 08:25:43 +08:00
@tanteng 才发现我漏了俩连字符。。。
Allianzcortex
    10
Allianzcortex  
   2015-12-09 08:42:34 +08:00
安全链接配置问题~
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