ubuntu14.04 安装scrapy 失败

错误信息如下:

  Downloading cryptography-2.1.4.tar.gz (441kB): 441kB downloaded

Running setup.py (path:/tmp/pip_build_root/cryptography/setup.py) egg_info for package cryptography

error in cryptography setup command: Invalid environment marker: python_version < '3'

Complete output from command python setup.py egg_info:

error in cryptography setup command: Invalid environment marker: python_version < '3'

----------------------------------------

Cleaning up...

Command python setup.py egg_info failed with error code 1 in /tmp/pip_build_root/cryptography

Storing debug log for failure in /root/.pip/pip.log

我的python版本是python3.4呀
图片描述

网上搜到的答案都试过了,还是不行,请高人指点

回答:

解决了,感谢楼上两位大侠提供的思路
我把/usr/local/lib/python2.7/dist-packages目录下的setuptools*文件全部删除,然后控制台输入

wget https://bootstrap.pypa.io/ez_setup.py -O - | sudo python

千万不要直接

pip install setuptools

这样默认安装的是最新版本,不支持2.*,然后运行pip安装啥都不行了

最后 pip install scrapy,成功!

回答:

sudo pip3 install scrapy

回答:

试试升级
pip install --upgrade setuptools

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