✨ Example for Textualize/textual#4096

reuse_progress.py

@@ -0,0 +1,31 @@
+"""https://github.com/Textualize/textual/issues/4096"""
+
+from asyncio import sleep
+
+from textual import on, work
+from textual.app import App, ComposeResult
+from textual.widgets import Button, ProgressBar
+
+class ReuseProgressApp(App[None]):
+
+    def compose(self) -> ComposeResult:
+        yield Button("Count 10 seconds")
+        yield ProgressBar()
+
+    @on(Button.Pressed)
+    def start_count(self) -> None:
+        progress = self.query_one(ProgressBar)
+        progress.total = 100
+        progress.progress = 0
+        self.count()
+
+    @work
+    async def count(self) -> None:
+        for _ in range(100):
+            self.query_one(ProgressBar).advance()
+            await sleep(0.1)
+
+if __name__ == "__main__":
+    ReuseProgressApp().run()
+
+### reuse_progress.py ends here