feat: refactor extract command with its tests #89

	name: CI
	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- '**'
	jobs:
	python-tests:
	runs-on: ubuntu-latest
	strategy:
	matrix:
	os: [ubuntu-20.04]
	python-version: ['3.8']
	toxenv: [quality, django32, django42]
	steps:
	- uses: actions/checkout@v2

	- name: Python setup
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}

	- name: Install GNU gettext
	run: sudo apt install gettext

	- name: Install Requirements
	run: \|
	pip install -r requirements/pip.txt
	pip install -r requirements/ci.txt

	- name: Run Tests
	run: tox -e ${{ matrix.toxenv }}

	- name: Upload coverage to CodeCov
	if: matrix.python-version == '3.8' && matrix.toxenv == 'django42'
	uses: codecov/codecov-action@v1
	with:
	file: ./coverage.xml
	fail_ci_if_error: true

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