不多说,直接上干货!
问题详情
这个问题,很普遍。如我这里想实现,Windows下Anaconda2 / Anaconda3里正确下载安装用来向微信好友发送消息的itchat库。
见,我撰写的
全网最全的Windows下Anaconda2 / Anaconda3里正确下载安装用来向微信好友发送消息的itchat库(图文详解)
出现:
PS C:\Anaconda3\Scripts> pip3.exe install itchat Collecting itchat Could not find a version that satisfies the requirement itchat (from versions: ) No matching distribution found for itchat
或者出现:
cmd中想用pip安装pymongo模块
显示黄色错误信息ReadTimeoutError和ConnectTimeoutError
Retrying几次之后显示红色错误信息Could not find a version that satisfies the requirement pymongo(from version:) No matching distribution found for pymongo
报错信息如下图所示:
看有些网友说是因为网络的问题,要使用国内的镜像源来加速:pip install pymongo -i http://pypi.douban.com/simple/ --trusted-host pypi.douban.com
又出现报错了:
问题解决
多执行几次
PS C:\Anaconda3\Scripts> PS C:\Anaconda3\Scripts> pip3.exe install itchat Collecting itchat Could not find a version that satisfies the requirement itchat (from versions: ) No matching distribution found for itchat PS C:\Anaconda3\Scripts> pip3.exe install itchat Collecting itchat Downloading https://files.pythonhosted.org/packages/57/99/20dde4bee645453d1453ae3757b49f24a5fd179ce6e391cf2542cfeac61c/itchat-1.3.10-py2.py3-none-any.whl Collecting pypng (from itchat) Downloading https://files.pythonhosted.org/packages/2f/b1/c8dfcf50feb12a30be7d95c5f45d638704682487d8e50419ef41463febcd/pypng-0.0.18.tar.gz (377kB) 100% |████████████████████████████████| 378kB 785kB/s Collecting pyqrcode (from itchat) Downloading https://files.pythonhosted.org/packages/37/61/f07226075c347897937d4086ef8e55f0a62ae535e28069884ac68d979316/PyQRCode-1.2.1.tar.gz Requirement already satisfied: requests in c:\anaconda3\lib\site-packages (from itchat) (2.14.2) Building wheels for collected packages: pypng, pyqrcode Running setup.py bdist_wheel for pypng ... done Stored in directory: C:\Users\lenovo\AppData\Local\pip\Cache\wheels\ed\30\6c\21dd4d267f47ea09fb57881b30fe16f7231b71bd26dea38afc Running setup.py bdist_wheel for pyqrcode ... done Stored in directory: C:\Users\lenovo\AppData\Local\pip\Cache\wheels\54\61\2f\a4f51b09473db5737db0f654ed10eb9a4ee01f83a7412de349 Successfully built pypng pyqrcode Installing collected packages: pypng, pyqrcode, itchat Successfully installed itchat-1.3.10 pypng-0.0.18 pyqrcode-1.2.1 PS C:\Anaconda3\Scripts>
或者
不过这次报错信息比较友好,提示pip版本太低需要升级,就按照它提示的命令输入,但是update的过程失败了好几次,多执行几次就好了,我是第4次才成功:
至此成功更新pip!
接下来输入你一开始要执行的命令pip install pymongo,就可以成功安装啦!
同时,大家可以关注我的个人博客:
http://www.cnblogs.com/zlslch/ 和 http://www.cnblogs.com/lchzls/ http://www.cnblogs.com/sunnyDream/
详情请见:http://www.cnblogs.com/zlslch/p/7473861.html
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