Detailed explanation of upgrading Python and installing pip under Linux

Linux version upgrade:

1. First, confirm that the Python version that comes with the Linux operating system is consistent with the version you need

All Python versions are available at https://www.python.org/ftp/python/ Select Download

2. wget https://www.python.org/ftp/python/2.7.11/Python-2.7.11.tgz to download

3. Decompression

tar -zxvf Python-2.7.11.tgz

Enter the Python-2.7.11 directory and enter

• ./configure
• make
• make install

4. Check whether the Python version is the system default version at this time

implement:

• mv /usr/bin/python /usr/bin/python2.6
• ln -s /usr/local/bin/python2.7 /usr/bin/python
• Check again to see if the version you want to install has been updated

Pip Installation

1. A get-pip.py is provided in python; the following is the address

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

2. Execute curl https://bootstrap.pypa.io/get-pip.py | python to download and install in Linux

This is very convenient. You can pack whatever you want.

Pip install xxx

Note: After upgrading the Python version, your yum command may not work because the yum command is written in Python.

# vi /usr/bin/yum #Open the yum command file and change the first line of script startup address 

Change it to /usr/bin/python2.6 in step 4 above and it will be ok

Supplementary installation of pip under Windows:

Quick method:

Find the C:\Python27\Scripts directory: Run easy_install.exe pip to install pip

pip upgrade:

When we use pip to install modules, sometimes the pip version is too low

One command solves:

python -m pip install -U pip

Both Linux and Windows support this command

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