1. Install PYTHon3 in Linux
A, prepare the compile environment (if the environment is not correct, you may encounter various problems, such as wget can not download HTTPS linked files)
2 2 yum groupinstall ‘Development Tools’ yum install zlib-devel bzip2-devel openssl-devel ncurses-devel 2 下载 Python3.6 code package
Wget HTTP: / / https://www.python.org/ftp/python/3.6.3/Python-3.6.3.tar.xz
There is a README file in the installation package, Xz CD python-3.6.3./configure –prefix=/usr/local/python3 make && make install
Ln -s/usr/local/python3 / bin/python3.6 / usr/local/bin/python3 installation was successful!
Ignoring ensurepIP failure: PIP 7.1.2 requires SSL/TLS
This is why oenSSL is not installed or upgraded:
Yum install openssl-devel python3.6:
The final result is as follows:
Pip-7.12 and SetupTools have been successfully installed!
There is no error in pip3 and PIP!
Do soft chain:
Ln -s/usr/local/python3 / bin/pip3.6 / usr/local/bin/PIP PIP upgrade to the latest version:
pip install –upgrade pip
PIP installation successful!
Note: –no-check-certificate indicates that the certificate is not checked during installation. If the certificate is not added, it may not be installed.
2. The installation package
Requests package:
PIP Install Requests pyQuery package
PIP install pyQuery pymysql
pip install pymysql
Reference: https://www.cnblogs.com/feng18/p/5854912.html