restructured for workflow optimization

.github/workflows/publish.yml

@@ -0,0 +1,37 @@
+name: Publish Python Package
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: '3.12'
+
+    - name: Install latest version of build
+      run: pip install --upgrade build
+
+    - name: Build package
+      run: python -m build
+
+    - name: Install twine
+      run: pip install --upgrade twine
+
+    - name: Publish package to TestPyPI
+      env:
+        TWINE_USERNAME: __token__
+        TWINE_PASSWORD: ${{ secrets.CALENDAR_WIDGET_TOKEN }}
+      run: twine upload --repository dist/* --skip-existing

calendar_widget/__init__.py

@@ -0,0 +1 @@
+from calendar_widget import Calendar

pyproject.toml

@@ -1,6 +1,6 @@
 [build-system]
-requires = ["setuptools>=61.0"]
-build-backend = "setuptools.build_meta"
+requires = ["hatchling"]
+build-backend = "hatchling.build"
 
 [project]
 name = "calendar_widget"

tests/import_test.py

@@ -0,0 +1,20 @@
+import tkinter
+import calendar_widget
+
+# define the main window into which the widget will be placed
+root = tkinter.Tk()
+root.geometry('600x600')  # the geometry function defines the size of the tkinter window
+                          # - in this case, we are using a window that is 600px by 600px
+
+# create the calendar widget
+Calendar = Calendar(root, # specify the tkinter window into which the widget will be placed
+	pos_x = 0, # set the x position of the calendar widget within the tkinter window
+	pos_y = 0, # set the y position of the calendar widget within the tkinter window
+	background = 'lightblue', # set the background of the calendar to light blue
+	)
+
+# Note: images of the type 'png', 'gif', 'ppm', and 'pgm' can be set as the background.
+# However, these images will not scale with the size of the calendar.
+
+# remember to call your mainloop function so that the tkinter window is persistent
+root.mainloop()