In order to take care of beginner python students, now we start with python installation!
Not much nonsense! Start directly!
install on window
Python installation package download address: https://www.python.org/downloads/
Look at this boss for a specific tutorial! Very detailed! If you don’t understand, you can contact me!
Install on CentOS
Download python3.7.1
Download to /usr/src
wget https://www.python.org/ftp/python/3.7.1/Python-3.7.1.tar.xz -P /usr/src
Unzip
After entering the download file
tar xf Python-3.7.1.tar.xz
Install dependencies
Don't install if there is
yum -y install gcc-* openssl-* libffi-devel sqlite-devel
Profile detection
./configure --with-openssl=/usr/bin/openssl
Compile
make
installation
make install
Upgrade pip3
pip3 install --upgrade pip
Install virtual environment (optional)
Create a python virtual environment for each project, instead of sharing an environment for each project (each environment can install its own plug-in)
pip3 install virtualenv
# 创建环境
virtualenv -p python3 web (环境名叫web)
# 生效环境
source web/bin/activate
'''当命令行前面有web后，说明已经进入虚拟环境'''
Ubuntu python environment
ubuntu comes with python3, it's really fragrant
First, install pip3
sudo apt-get update
sudo apt-get install python3-pip
anacoda build environment
Enter the official website of anaconda3 to find the corresponding version of liunx. Copy the download link
$ wget "下载链接"
Unzip anaconda3
$ bash Anaconda3-5.2.0-Linux-x86_64.sh
Configure anaconda3 environment variables
$ sudo vi /etc/profile
$ export PATH=$PATH:/home/software/anaconda3/bin / 路径为你安装的anacoda路径
$ source /etc/profile / 立即生效
Create a specified coda environment
conda create -n py3.7 python=3.7
Switch to the generated environment
source activate py3.7
Batch pip3 install installation
Create a new file requirements and write the modules to be installed
scrapy
scrapy-redis
pymysql
redis>=3.2.1
fake-useragent
pymongo
Pillow
Run on the server
pip3 install -r requirements