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Linux系統下安裝Python 3.7.0

                                      Linux系統下安裝Python 3.7.0

安裝Python3.7.0(其他版本只需要改一下版本編號即可)

1.安裝基礎環境(在管理員使用者下的終端,普通使用者終端下不行)

# yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel

2.下載python3.7.0(https://www.python.org/downloads/

# wget https://www.python.org/ftp/python/3.6.1/Python-3.7.0.tgz

3.安裝python3.7.0

根據自己安裝的檔案位置,下面以/usr/local/python3為例:

# mkdir -p /usr/local/python3

解壓下載完成的Python-3.7.0.tgz包

# tar -zxvf Python-3.7.0.tgz

4.進入解壓後的目錄,編譯安裝

到Python-3.7.0目錄下

# cd Python-3.7.0

再到配置檔案下 

# ./configure --prefix=/usr/local/python3

make

# make

 make install

# make install    

或者 make && make install

5.建立python3的軟鏈

# ln -s /usr/local/python3/bin/python3 /usr/bin/python3

6.並將/usr/local/python3/bin加入PATH

# vim ~/.bash_profile
# .bash_profile
# Get the aliases and functions
if [ -f ~/.bashrc ]; then
. ~/.bashrc
fi
# User specific environment and startup programs
PATH=$PATH:$HOME/bin:/usr/local/python3/bin
export PATH

按ESC,輸入:wq回車退出。

修改完記得執行行下面的命令,讓上一步的修改生效:

# source ~/.bash_profile

檢查Python3及pip3是否正常可用:

# python3 -V
Python 3.7.0
# pip3 -V
pip 9.0.1 from /usr/local/python3/lib/python3.7/site-packages (python 3.7)

7.不行的話在建立一下pip3的軟連結

# ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3