纯属记录一下 scrapy环境配置--基于python3.4

1.The program 'pip3' is currently not installed
apt-get update
apt-get install python3-pip


2.fatal error: Python.h: No such file or directory
apt-get install python3-dev


3.
apt-get install libxml2-dev libxslt1-dev
sudo apt-get install lib32z1-dev


4.ImportError: No module named 'cryptography'
pip3 install --upgrade pycrypto
apt-get install libffi-dev
apt-get install libssl-dev
pip3 install cryptography


5.pymysql 找不到
apt-get install software-properties-common
add-apt-repository cloud-archive:mitaka
apt-get update && apt-get dist-upgrade 

apt-get install python3-pymysql

还有如果装完之后，运行时出现

ImportError: No module named pyasn1XXXX

不啦不啦一堆的 ，去官网下个pyn的模块装上就ok了。

https://pypi.python.org/pypi/pyasn1，下载完解压进入目录 sudo setup.py install 

每次遇到这种问题来来回回找 很麻烦 就记录一下 ！