linux下python安裝和虛擬環境

安裝依賴環境

yum -y install

wget gcc zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel libffi-devel

cd /usr/local/

wget 
tar -xvf python-3.7.6.tar.xz

cd python-3.7.6

./configure --prefix=/usr/local/python3 --enable-optimizations
make
&&make
install

cd ~

vim .bash_profile
# 修改的bash_profile檔案處
path=
$path
:$home/bin:/usr/local/python3/bin
export path
# 匯入配置檔案使其生效
source .bash_profile

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

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

cd /usr/local

wget --no-check-certificate  
tar -zxvf setuptools-19.6.tar.gz
cd setuptools-19.6
python3 setup.py build
python3 setup.py install

cd /usr/local

wget --no-check-certificate  
tar -zxvf pip-19.1.tar.gz
cd pip-19.1
python3 setup.py build
python3 setup.py install

pip install virtualenv

virtualenv [虛擬環境名稱]

# virtualenv python_env

source ./bin/activate  # source python_env/bin/activate

deactivate

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