Install faiss on Google Colab without using Conda

faiss.py

# CPU
!curl -L https://anaconda.org/pytorch/faiss-cpu/1.6.0/download/linux-64/faiss-cpu-1.6.0-py36h6bb024c_0.tar.bz2 | tar xj
# GPU, CUDA 10
# !curl -L https://anaconda.org/pytorch/faiss-gpu/1.6.0/download/linux-64/faiss-gpu-1.6.0-py36h1a5d453_0.tar.bz2 | tar xj
# install
!mv lib/python3.6/site-packages/* /usr/local/lib/python3.6/dist-packages/

import faiss

faiss_pip.py

# For CPU
!apt install libomp-dev
!pip install faiss

# For GPU
!pip install faiss-gpu

# pygraphviz
!wget https://anaconda.org/anaconda/pygraphviz/1.3/download/linux-64/pygraphviz-1.3-py36h14c3975_1.tar.bz2
!tar xvjf pygraphviz-1.3-py36h14c3975_1.tar.bz2
!cp -r lib/python3.6/site-packages/* /usr/local/lib/python3.6/dist-packages/

import pygraphviz