Add embeddings_ layer and supporting utility functions #1399

	name: Python

	on:
	push:
	branches:
	- master
	paths:
	- ".github/workflows/build_python.yml"
	- "**.cpp"
	- "**.h"
	- "**.c"
	- "**.cu"
	- "**.cmake"
	- "**CMakeLists.txt"
	- "**py"
	pull_request:
	branches:
	- master
	paths:
	- ".github/workflows/build_python.yml"
	- "**.cpp"
	- "**.h"
	- "**.c"
	- "**.cu"
	- "**.cmake"
	- "**CMakeLists.txt"
	- "**py"

	defaults:
	run:
	shell: bash

	jobs:
	Windows:
	runs-on: 'windows-latest'
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	- name: Install python deps
	run: \|
	pip install pytest numpy
	# don't use CMake 3.25.0 https://gitlab.kitware.com/cmake/cmake/-/issues/23975
	pip3 install cmake==3.24.0
	- name: Build
	run: \|
	pip3 install cmake==3.24.0
	python setup.py build
	python setup.py install --user
	- name: Test
	run: python -m pytest --ignore docs --ignore dlib

	Ubuntu:
	runs-on: 'ubuntu-latest'
	steps:
	- uses: actions/checkout@v3
	- uses: actions/setup-python@v4
	- name: Install python deps
	run: pip install pytest numpy
	- name: Build
	run: \|
	python setup.py build
	python setup.py install --user
	- name: Test
	run: python -m pytest --ignore docs --ignore dlib

	# Disabled for now since something is going sideways with python packages on github actions
	# MacOS:
	# runs-on: 'macos-latest'
	# steps:
	# - uses: actions/checkout@v3
	# - uses: actions/setup-python@v4
	# - name: Install python deps
	# run: pip3 install pytest numpy
	# - name: Build
	# run: \|
	# python3 setup.py build
	# python3 setup.py install --user
	# - name: Test
	# run: python3 -m pytest --ignore docs --ignore dlib

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