Tutorial on how to install Python 3.6.0 from source in Ubuntu 16.04 LTS

Premise

The official website provides installation packages for Mac and Windows and the source code required for installation on Linux.

The download address is as follows:

https://www.python.org/downloads/release/python-360/

Installation

wget https://www.python.org/ftp/python/3.6.0/Python-3.6.0.tar.xz
xz -d Python-3.6.0.tar.xz
tar -xvf Python-3.6.0.tar
cd Python-3.6.0
./configure
make
sudo make install

Test:

$ python3.6 --version
Python 3.6.0

Test several new grammatical features:

1.

# Formatted string literals
>>> name = 'Ray'    
>>> f"Hello {name}."
'Hello Ray.'

The effect is equivalent to

>>> name = 'Ray'
>>> "Hello {name}.".format(name=name)
'Hello Ray.'

2.

# Underscores in Numeric Literals
>>> a = 1_000_000_000_000_000
>>> a
1000000000000000
>>> '{:_}'.format(1000000)
'1_000_000''1_000_000'

3 .

# Enum.auto
>>> from enum import Enum, auto
>>> class Color(Enum):
... red = auto()
... blue = auto()
... green = auto()
...
>>> list(Color)
[<Color.red: 1>, <Color.blue: 2>, <Color.green: 3>]

Tips

After compiling and installing for the first time, you may find that after entering python3.6, the direction keys become invalid.

The reason is that the readline library is not installed.

Solution:

Install readline library

sudo apt-get install libreadline-dev

After installation, recompile and install python again.

cd Python-3.6.0
./configure
make
sudo make install

Summary

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