Install py36 on Ubuntu 17.04

py36-conda.sh

#!/bin/bash

# Ubuntu 17.04, 16.10

# Download Miniconda3*.sh from miniconda website, then follow the installation
# instruction.
# NOTE:
# - do NOT sudo pip install conda, as this will not work with the latest conda!
# - we choose NOT to prepend miniconda3 to PATH.

~/miniconda3/bin/conda update --all

# Install anaconda cli.
# NOTE: to install the whole PyData stuffs, install the anaconda package.
~/miniconda3/bin/conda install anaconda-client

~/miniconda3/bin/conda create --name py36 python=3.6 ipykernel ipython

# Update root & py36 environments from outside of the environments.
for i in root py36; do ~/miniconda3/bin/conda upgrade -n $i --all; done

# Can put the alias to .bashrc
alias source_activate='source /home/verdi/miniconda3/bin/activate'
source_activate py36

python --version    # Make sure it emits 3.6.x

# Create a Jupyter kernel which can be invoked from conda's root environment.
# Installed kernelspec py36 in /home/verdi/.local/share/jupyter/kernels/py36.
# See kernel.json for the actual kernel invocation.
python -m ipykernel install --user --name py36 --display-name 'Python 3.6'

# Install ipdb from community channels
anaconda search -t conda ipdb     # Show channels and arch
#conda install -c anjos ipdb       #linux32
conda install -c conda-forge ipdb #linux64

source deactivate

# Start jupyter on conda's root environment (Ubuntu's python).
# Jupyter should have a new kernel for Python 3.6.
jupyter notebook

py36-manual.sh

# Ubuntu 16.10.
# Manual install is not recommended. Prefer conda instead!

# NOTE: break /usr/bin/pip3 & /usr/bin/local/bin/{pip3,pip3.5}.
# Need to patch by importing pip.main twice, that is by changing:
#     from pip import main
# to
#     try:
#         from pip import main
#     except:
#         from pip import main

# NOTE: build args from Ubuntu's stock python3.6 (beta1)
python3.6 -c 'import sysconfig; print(sysconfig.get_config_var("CONFIG_ARGS"))'

export CC=x86_64-linux-gnu-gcc

# We don't build debug
#export CFLAGS='-g -fdebug-prefix-map=/build/python3.6-mTGOPz/python3.6-3.6.0~b2=. -fstack-protector-strong -Wformat -Werror=format-security'
export CFLAGS='-fstack-protector-strong -Wformat -Werror=format-security'

export LDFLAGS='-Wl,-Bsymbolic-functions -Wl,-z,relro'
export CPPFLAGS='-Wdate-time -D_FORTIFY_SOURCE=2'

# NOTE: --with-system-ffi is default with python3.6, thus no need to specify
sudo apt install libmpdec-dev libgdbm-dev libffi-dev libexpat1-dev
./configure --enable-shared --enable-ipv6 --enable-loadable-sqlite-extensions --with-dbmliborder=bdb:gdbm --with-computed-gotos --without-ensurepip --with-system-expat --with-system-libmpdec --with-fpectl

make
sudo make altinstall     # altinstall install python3.6 binary, leaving python3 intact

# Backup existing pip binaries in /usr/bin & /usr/local/bin
sudo python3.6 get-pip.py
mv /usr/local/bin/pip3{,.6}  # Rename new pip3 to pip3.6
# Restore old pip binaries (2.7, 3.5)
# If pip3 is broken, do 'from pip import main' twice (in a try-except block)

sudo pip3.6 install --upgrade

# Backup old ipython binaries in /usr/bin & /usr/local/bin
sudo pip3.6 install ipython zmq ipykernel
# Rename new ipython3 to ipython3.6
# Restore old ipython binaries (2.7, 3.5)

# Test kernel
python3.6 -c "import ipykernel"

python3.6 -m ipykernel install --user --name python3.6 --display-name 'Python 3.6'
#Installed kernelspec python3.6 in /home/verdi/.local/share/jupyter/kernels/python3.6

cat /home/verdi/.local/share/jupyter/kernels/python3.6/kernel.json
{
 "argv": [
  "/usr/local/bin/python3.6",
  "-m",
  "ipykernel",
  "-f",
  "{connection_file}"
 ],
 "display_name": "Python 3.6",
 "language": "python"
}