在OS X El Capitan上安装scrapy时从pip获取错误
~ pip install scrapy
Requirement already satisfied (use --upgrade to upgrade): scrapy in /usr/local/lib/python2.7/site-packages
Requirement already satisfied (use --upgrade to upgrade): six>=1.5.2 in /usr/local/lib/python2.7/site-packages (from scrapy)
Requirement already satisfied (use --upgrade to upgrade): pyOpenSSL in /usr/local/lib/python2.7/site-packages (from scrapy)
Requirement already satisfied (use --upgrade to upgrade): cssselect>=0.9 in /usr/local/lib/python2.7/site-packages (from scrapy)
Requirement already satisfied (use --upgrade to upgrade): queuelib in /usr/local/lib/python2.7/site-packages (from scrapy)
Requirement already satisfied (use --upgrade to upgrade): parsel>=0.9.3 in /usr/local/lib/python2.7/site-packages (from scrapy)
Requirement already satisfied (use --upgrade to upgrade): PyDispatcher>=2.0.5 in /usr/local/lib/python2.7/site-packages (from scrapy)
Collecting cffi>=1.4.1 (from cryptography>=1.3->pyOpenSSL->scrapy)
Could not fetch URL https://pypi.python.org/simple/cffi/: There was a problem confirming the ssl certificate: [Errno 2] No such file or directory - skipping
Could not find a version that satisfies the requirement cffi>=1.4.1 (from cryptography>=1.3->pyOpenSSL->scrapy) (from versions: )
No matching distribution found for cffi>=1.4.1 (from cryptography>=1.3->pyOpenSSL->scrapy)
试图重新安装pip，python＆amp;自制 擦洗目录，但没有任何工作
尝试独立安装加密技术，通过brew安装 - 没有骰子
答案 0 :(得分：0)
整个环境都破了。
我从〜/ usr / lib /
中删除了以下文件夹然后做了以下
brew uninstall python
brew update
brew upgrade
brew doctor
brew cleanup
brew install python
pip install scrapy
现在一切正常！