Install python3.5.1 and BS4 on CentOS 7

1. The default use of the CENTOS7 is the python2.7 version, do not move it.

2. Download python3.5.1, Address: https://www.python.org/downloads/source/click: gzipped source Tarsal and BS4, address: https:// www.crummy.com/software/BeautifulSoup/bs4/download/4.0/

3. Installation steps:

1 into the/usr/local directory: cd/usr/local

2 Create a new folder in the local directory: sudo mkdir python3

3) Decompression PYTHON-3.5.1.TAR:TAR-XVF Python-3.5.1.tar

4 after the successful decompression, into the extracted folder: CD Python-3.5.1

5 Enter command:./configure--prefix=/usr/local/python3 (here is the folder you just created)

6 sudo make

7 sudo make install

8 Create connection in/usr/bin directory, command: Ln-s/usr/local/python3/bin/python3/usr/bin/

9) test, Input command: Python3, this python3.5.1 installation complete

10 into the Python command interface, input: from BS4 import BeautifulSoup, error.

4. Configure BS4:

1 extract BEAUTIFULSOUP4-4.1:TAR-XVF package name;

2 into the Unpacked folder, installation command: Python3 setup.py install

3 to convert BS to support Python3, command:/usr/local/python3/bin/2to3-3.5-w BS4

4 test: Input python3, enter Python command interface, input: from BS4 import BeautifulSoup

5 end, may prompt other error, but at least no longer prompts no this module