semicart added and db_weights to calc what it needs and CI/CD added #1

	name: Python package

	on:
	push:
	tags:
	- 'v..*'
	pull_request:
	branches:
	- main

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v2

	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: '3.x'

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install setuptools wheel
	pip install -r requirements.txt

	- name: Build the package
	run: \|
	python setup.py sdist bdist_wheel

	- name: Install the package
	run: \|
	pip install dist/*.whl

	- name: Run tests
	run: \|
	pip install pytest
	pytest

	release:
	needs: build
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v2

	- name: Set up Python
	uses: actions/setup-python@v2
	with:
	python-version: '3.x'

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install setuptools wheel

	- name: Build the package
	run: \|
	python setup.py sdist bdist_wheel

	- name: Publish to PyPI
	env:
	TWINE_USERNAME: ${{ secrets.PYPI_USERNAME }}
	TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
	run: \|
	python -m pip install --upgrade twine
	twine upload dist/*

Provide feedback