ubuntu 如何配置虚拟环境 & 提高pip安装速度

$ wget https://bootstrap.pypa.io/get-pip.py

$ sudo python3 get-pip.py

$ sudo pip install virtualenv virtualenvwrapper

$ sudo rm -rf ~/get-pip.py ~/.cache/pip

$nano ~/.bashrc

Added bellowing codes

# virtualenv and virtualenvwrapper

export WORKON_HOME=$HOME/.virtualenvs

export VIRTUALENVWRAPPER_PYTHON=/usr/bin/python3

source /usr/local/bin/virtualenvwrapper.sh

source ~/.bashrc

 

mkvirtualenv your_vitual_env_name  -p python3

workon your_vitual_env_name

If you are configuring env for computer vision then pip install the bellowing libs

$ pip install numpy

$ pip install opencv-contrib-python

 

$ pip install scipy matplotlib pillow

$ pip install imutils h5py requests progressbar2

$ pip install scikit-learn scikit-image

 

$pip install tensorflow-gpu==1.12.0

 

Note: If you are in China, then modify the pip source to improve the net speed.

$ nano ~/.pip/pip.conf    #Added the bellowing codes

1. [global]

2. index-url = https://pypi.tuna.tsinghua.edu.cn/simple

3. [install]

4. trusted-host=mirrors.aliyun.com