Modernization: introduce poetry as a packaging and dependency tool

.flake8

@@ -6,5 +6,6 @@ max-line-length = 88
 max-complexity = 18
 select = B,C,E,F,W,T4,B9
 exclude =
+    ./.tox/
     ./.venv/
     ./venv/

.github/workflows/linters.yaml

@@ -17,12 +17,5 @@ jobs:
         uses: actions/setup-python@v4
         with:
           python-version: "3.x"
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install -r requirements-dev.txt
-      - name: black and flake checks
-        run: |
-          black --check .
-          flake8 --count .
-          mypy recipe_scrapers tests
+      - run: pip install tox
+      - run: tox -e lint

.github/workflows/unittests.yaml

@@ -23,26 +23,19 @@ jobs:
             python-version: "3.11.0-rc.1"
           - os: windows-latest
             python-version: "3.11.0-rc.1"
+        include:
+          - toxenv: py
+          - os: macos-latest
+            toxenv: py-darwin
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v3
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
-      # The system-provided libxml2 on MacOS is typically outdated and this can lead to lxml parsing issues
-      # Using PyPi-provided binary wheels instead resolves this
-      # We are affected by https://bugs.launchpad.net/lxml/+bug/1949271 in test_wild_mode when using system-provided libxml2 on MacOS
-      - name: Install lxml from wheel on MacOS
-        if: ${{ matrix.os == 'macos-latest' }}
-        run: pip install --only-binary=lxml lxml
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install -r requirements-dev.txt
-      - name: Unittest and Coverage Report
-        run: |
-          python run_tests.py
+      - run: pip install tox
+      - run: tox -e ${{ matrix.toxenv }}
       # Provide code coverage reports on Linux
       - if: ${{ matrix.os == 'ubuntu-latest' }}
         name: coveralls.io

README.rst

@@ -341,7 +341,7 @@ Assuming you have ``>=python3.7`` installed, navigate to the directory where you
     source .venv/bin/activate &&
     pip install -r requirements-dev.txt &&
     pre-commit install &&
-    python run_tests.py
+    tox -e py
 
 In case you want to run a single unittest for a newly developed scraper