Add workflows for black, flake8, reuse and unittests.

.github/workflows/black.yaml

@@ -0,0 +1,19 @@
+name: black
+
+on: [pull_request]
+
+jobs:
+  linter:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python 3.11
+      uses: actions/setup-python@v3
+      with:
+        python-version: '3.11'
+    - name: Install black
+      run: |
+        python -m pip install --upgrade pip
+        pip install black
+    - name: Analysing the code with black
+      run: black --check $(git ls-files '*.py')

.github/workflows/flake8.yml

@@ -0,0 +1,19 @@
+name: flake8
+
+on: [pull_request]
+
+jobs:
+  linter:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python 3.11
+      uses: actions/setup-python@v3
+      with:
+        python-version: '3.11'
+    - name: Install flake8
+      run: |
+        python -m pip install --upgrade pip
+        pip install flake8
+    - name: Analysing the code with flake8
+      run: flake8 --select=W504 --ignore=E203,W503 --max-line-length=120 $(git ls-files '*.py')

.github/workflows/reuse.yaml

@@ -0,0 +1,19 @@
+name: reuse
+
+on: [pull_request]
+
+jobs:
+  linter:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python 3.11
+      uses: actions/setup-python@v3
+      with:
+        python-version: '3.11'
+    - name: Install reuse
+      run: |
+        python -m pip install --upgrade pip
+        pip install reuse
+    - name: Analysing the code with reuse
+      run: reuse lint

.github/workflows/unittests.yaml

@@ -0,0 +1,20 @@
+name: Unit Tests Transformer
+
+on: [pull_request]
+
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python 3.11
+      uses: actions/setup-python@v3
+      with:
+        python-version: '3.11'
+    - name: Install black
+      run: |
+        python3 -m pip install --upgrade pip
+        pip3 install -r requirements.txt
+        pip3 install .
+    - name: Run unit tests
+      run: python -m unittest Tests/TestTransformer.py