backup command

src/tt/cli.py

@@ -1,10 +1,12 @@
 import typer
 import httpx
 import lxml.html
+import sqlite3
 from typing_extensions import Annotated
 from .db import initialize_db
 from .tui.things import run as things_tui
-#from .tui.overview import run as overview_tui
+
+# from .tui.overview import run as overview_tui
 from .tui.recurring import run as recurring_tui
 from .controller.things import add_thing
 
@@ -40,6 +42,7 @@ def new(
     add_thing(name, category, due)
     typer.echo("Created new thing!")
 
+
 @app.command()
 def table(
     view: Annotated[str, typer.Option("-v", "--view", help="saved view")] = "default",
@@ -60,5 +63,23 @@ def overview():
     overview_tui()
 
 
+@app.command()
+def backup(backup_path: str):
+    """
+    Perform a SQLite backup using the .backup dot command
+    """
+    from tt.db import db
+
+    conn = db.connection()
+
+    backup_conn = None
+    try:
+        backup_conn = sqlite3.connect(backup_path)
+        conn.backup(backup_conn)
+    finally:
+        if backup_conn:
+            backup_conn.close()
+
+
 if __name__ == "__main__":
     app()