pw_build: Fix progress bar clear

We were relying on a private function for prompt-toolkit ProgressBars. This change removed the _app_loop var: prompt-toolkit/python-prompt-toolkit@5a1484b This patch switches to the correct public API. Change-Id: I7ec47e411e954abbd6e48751fcc5f58fe41192aa Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/160791 Presubmit-Verified: CQ Bot Account <[email protected]> Reviewed-by: Rob Mohr <[email protected]> Commit-Queue: Auto-Submit <[email protected]> Pigweed-Auto-Submit: Anthony DiGirolamo <[email protected]>
google · Jul 28, 2023 · 3656612 · 3656612
1 parent 0ef2c2d
commit 3656612
Showing 1 changed file with 7 additions and 3 deletions.
diff --git a/pw_build/py/pw_build/project_builder_context.py b/pw_build/py/pw_build/project_builder_context.py
@@ -225,9 +225,13 @@ def exit_progress(self) -> None:
     def clear_progress_scrollback(self) -> None:
         if not self.progress_bar:
             return
-        self.progress_bar._app_loop.call_soon_threadsafe(  # type: ignore # pylint: disable=all
-            self.progress_bar.app.renderer.clear
-        )
+        if (
+            self.progress_bar.app.is_running
+            and self.progress_bar.app.loop is not None
+        ):
+            self.progress_bar.app.loop.call_soon_threadsafe(
+                self.progress_bar.app.renderer.clear
+            )
 
     def redraw_progress(self) -> None:
         if not self.progress_bar: