Could not fetch URL https://pypi.org/simple/pip/: There was a problem confirmingthe ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with url: /simple/pip/ (Caused by SSLError(SSLError(1, u'[SSL: CERTIFICATE_VERIF…
这个问题其实是无意中解决的:因为在网上找不到解决办法,是我在yum -y installl wget后,自动就好了,安装wget的时候,可能更新了openssl的缘故吧.…
最近项目不忙了~~有开始专研的python大业,上来想用pip安装一个第三方的库,就一直报错: Could not fetch URL https://pypi.org/simple/xrld/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='pypi.org', port=443): Max retries exceeded with url: /simple/xrld/ (Cause…
[前提]: win10下python3和python2共存环境,但是环境变量只配置了python3 [问题]: 用pip安装一个包执行pip2 install xxx的时候报错Fatal error in launcher: Unable to create process using '"' 执行pip3 install xxx的时候报同样的错误Fatal error in launcher: Unable to create process using '"' [解决]:pytho…
难题描述: 解决方法: 使用命令python -m pip install Scrapy  --trusted-host=pypi.python.org --trusted-host=pypi.org --trusted-host=files.pythonhosted.org,结果:成功…
问题描述 使用SDK Manager更新时出现问题Failed to fetch URL https://dl-ssl.google.com/android/repository/repository-6.xml, reason: Connection to https://dl-ssl.google.com refusedFailed to fetch URL http://dl-ssl.google.com/android/repository/addons_list-1.xml, reas…
最近重新安装win10 64位专业版, 正好遇到python3.8发布,试了一下.结果jupyter都安装不了...心碎. ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output. 查看网上资料,大多数都说升级两个包就可以了,一个是pip,一个是setuptools,升级方式如下: python -m pip install --u…
前言:同学们在用pip install的时候,可能会遇到MemoryError的问题 报错如下,看最后一行的memory error关键字: 报错的原因大致如下:(详细细节可以查看此处) This error is coming up because, it seems, pip's caching mechanism is trying to read the entire file into memory before caching it- which poses a problem in…
1.下载安装包 https://www.python.org/ftp/python/ 该目录下选择所需要的版本进行下载.解压. wget https://www.python.org/ftp/python/3.7.1/Python-3.7.1.tgz .tgz 2.二进制文件安装 1.创建存放目录 mkdir /usr/local/python3 2.运行脚本configure config是一个shell脚本,根据平台的特性生成Makefile文件,为下一步的编译做准备. 可以通过在 conf…
virtualenv Permission denied 新建的python虚拟环境的目录的所属者必须是当前用户,才不会出现这种错误 比如 virtualenv py27 sudo chown zzf py27 再进入这个虚拟环境就不会出现这个情况了…