Work in progress

Author: bzaczynski

python-mixins/README.md

@@ -1,3 +1,9 @@
 # TODO
 
 This folder contains the source code that accompanies the Real Python tutorial, [TODO](TODO).
+
+## Usage
+
+```shell
+$ DATABASE=database.db python main.py
+```

python-mixins/TODO.md

@@ -0,0 +1,2 @@
+- Add nullable foreign key handling
+- Implement examples to test and demonstrate

python-mixins/main.py

@@ -0,0 +1,49 @@
+import logging
+
+logging.basicConfig(
+    level=logging.DEBUG,
+    format="\N{rocket} %(message)s"
+)
+
+from orm import ActiveRecord, TimestampMixin, SQLMixin
+
+
+class User(ActiveRecord):
+    first_name: str
+    last_name: str
+    team: bool = False
+
+
+class Tutorial(SQLMixin, ActiveRecord):
+    author: User
+    title: str
+    url: str
+
+
+class Comment(TimestampMixin, SQLMixin, ActiveRecord):
+    text: str
+    tutorial: Tutorial
+    user: User | None = None
+
+
+
+def populate():
+    user = User("Joanna", "Jablonski", team=True)
+    user.save()
+
+    tutorial = Tutorial(
+        author=user,
+        url="https://realpython.com/python-f-strings/",
+        title="Python's F-String for String Interpolation and Formatting",
+    )
+    tutorial.save()
+
+    comment = Comment(
+        text="A neutral comment from an anonymous reader",
+        tutorial=tutorial,
+    )
+    comment.save()
+
+
+if __name__ == "__main__":
+    populate()