Linux下Python3安裝
Python3安裝配置:
為了了防止安裝Python3之後出現以下錯誤:
ModuleNotFoundError: No module named `_sqlite3`
我們需要先安裝sqlite-devel:
# yum -y install sqlite-devel
因為我們要編譯安裝 Python3,所以要提前安裝編譯工具及庫檔案
# yum -y install make zlib zlib-devel gcc-c++ libtool openssl openssl-
devel
下載Python3
https://www.python.org/downloads/
# wget https://www.python.org/ftp/python/3.6.1/Python-3.6.1.tgz
安裝python3
我個人習慣安裝在/usr/local/python3(具體安裝位置看個人喜好)
建立目錄:
# mkdir -p /usr/local/python3
解壓下載好的Python-3.x.x.tgz包(具體包名因你下載的Python具體版本不不同而不不同,如:我
下載的是Python3.6.1.那我這⾥裡里就是Python-3.6.1.tgz)
# tar -zxvf Python-3.6.1.tgz
進入解壓後的目錄,編譯安裝。
# cd Python-3.6.1
# ./configure --prefix=/usr/local/python3
make
# make
make install
# make install
建立python3的軟鏈
# ln -s /usr/local/python3/bin/python3 /usr/bin/python3
並將/usr/local/python3/bin加⼊入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回⻋車退出。
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是否正常可⽤用:
# python3 -V
Python 3.6.1
# pip3 -V
pip 9.0.1 from /usr/local/python3/lib/python3.6/site-packages (python 3.6)
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