added github actions for unit tests

.github/workflows/python_lib.yml

@@ -0,0 +1,33 @@
+name: algeria-cities python lib
+
+on: [push]
+
+jobs:
+  ci:
+    run-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.7", "3.8", "3.9", "3.10", "3.11", "3.12"]
+
+    steps:
+      - uses: action/checkout@v4
+      - name: Install Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install poetry
+        uses: abatilo/actions-poetry@v2
+
+      - uses: actions/cache@v3
+        name: Define a cache for the virtual environment based on the dependencies lock file
+        with:
+          path: ./.venv
+          key: venv-${{ hashFiles('poetry.lock') }}
+
+      - name: Install the project dependencies
+        run: poetry install
+
+      - name: Run unittests
+        working-directory: ./python
+        run: poetry run pytest tests -s

python/poetry.toml

@@ -0,0 +1,3 @@
+[virtualenvs]
+create = true
+in-project = true

python/src/algeria_cities/__init__.py

@@ -1,3 +0,0 @@
-
-def main():
-    print("hello world")