Raspberry pi - Python 3 latest version install

rpi-python3.rst

Update Raspberry pi to latest version of Python3

Original Answer: https://raspberrypi.stackexchange.com/questions/54365/how-to-download-and-install-python-3-5-in-raspbian

GET DEPENDANCIES:

$ sudo apt-get install build-essential libc6-dev
$ sudo apt-get install libncurses5-dev libncursesw5-dev libreadline6-dev
$ sudo apt-get install libdb5.3-dev libgdbm-dev libsqlite3-dev libssl-dev
$ sudo apt-get install libbz2-dev libexpat1-dev liblzma-dev zlib1g-dev

DOWNLOAD:

$ cd $HOME
$ wget https://www.python.org/ftp/python/*ver*/Python-*ver*.tgz
    # it is faster to download on PC and transfer to pi with FileZilla
$ tar -zxvf Python-*ver*.tgz

COMPILE:

$ cd Python-*ver*
$ ./configure       # 3 min 13 s
# We have 4 processors, so let's use 4 threads
$ make -j4          # 8 min 29 s
$ sudo make install # ~ 4 min
$ sudo reboot

TEST:

$ cd
$ python3 --version
    # output: "Python *ver*"
$ pip3 list
    # output: 
    # pip (8.1.1)
    # setuptools (20.10.1)
    # You are using pip version 8.1.1, however version 8.1.2 is available.
    # You should consider upgrading via the 'pip install --upgrade pip' command.