pyenv

• 1 Install pyenv
• 2 Update pyenv
• 3 pyenv pip error
• 4 Missing sqlite3 header file

1 Install pyenv

1. checkout pyenv

   $ git clone https://github.com/pyenv/pyenv.git ~/.pyenv
   

2. Define environment variable PYENV_ROOT

   $ echo 'export PYENV_ROOT="$HOME/.pyenv"' >> ~/.bashrc
   
   $ echo 'export PATH="$PYENV_ROOT/bin:$PATH"' >> ~/.bashrc
   

   or Ubuntu/Fedora ~/.bashrc or Zsh: ~/.zshenv

3. Add pyenv init into shell

   $ echo -e 'if command -v pyenv 1>/dev/null 2>&1; then \n  eval "$(pyenv init -)"\n fi' >> ~/.bashrc
   

4. Restart shell

   $ exec "$SHELL"
   

5. Install build-essential and libssl-dev in Ubuntu

   $ apt install build-essential libssl-dev
   

   Recommended: make build-essential libssl-dev zlib1g-dev libbz2-dev libsqlite3-dev libreadline-dev readline-common libffi-dev

   https://github.com/pyenv/pyenv/wiki/Common-build-problems

   Recommended (ubuntu 16.04): zlib-devel bzip2-devel sqlite sqlite-devel openssl-devel

   For Ubuntu 18.04: zlib1g-dev libbz2-dev sqlite libsqlite3-dev openssl libreadline-dev readline-common

   Centos:

   $ yum install openssl-devel
   

1. List all available python version

   $ pyenv install -l
   

2. Install specific version of python

   $ pyenv install 3.5.5
   
   $ pyenv global 3.5.5  # set 3.5.5 as global version
   

2 Update pyenv

$ cd ~/.pyenv && git pull -r

3 pyenv pip error

find_packages() got an unexpected keyword argument ‘include’

https://github.com/quantopian/zipline/issues/1278

To install a particular version in my python env is:

pip install setuptools==<specific version>

or (upgrading to the latest):

pip install -U setuptools

4 Missing sqlite3 header file

CFLAGS=”-I$(xcrun –show-sdk-path)/usr/include” pyenv install -v 2.7.14