ui: switch spinner and text window back to standalone process (#35470)
switch spinner and text window back to standalone processpull/35483/head
parent
6767bfce44
commit
541bd4d4d9
8 changed files with 165 additions and 125 deletions
@ -0,0 +1,52 @@ |
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import os |
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import subprocess |
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from openpilot.common.basedir import BASEDIR |
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class Spinner: |
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def __init__(self): |
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try: |
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self.spinner_proc = subprocess.Popen(["./spinner.py"], |
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stdin=subprocess.PIPE, |
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cwd=os.path.join(BASEDIR, "system", "ui"), |
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close_fds=True) |
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except OSError: |
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self.spinner_proc = None |
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def __enter__(self): |
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return self |
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def update(self, spinner_text: str): |
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if self.spinner_proc is not None: |
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self.spinner_proc.stdin.write(spinner_text.encode('utf8') + b"\n") |
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try: |
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self.spinner_proc.stdin.flush() |
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except BrokenPipeError: |
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pass |
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def update_progress(self, cur: float, total: float): |
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self.update(str(round(100 * cur / total))) |
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def close(self): |
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if self.spinner_proc is not None: |
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self.spinner_proc.kill() |
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try: |
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self.spinner_proc.communicate(timeout=2.) |
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except subprocess.TimeoutExpired: |
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print("WARNING: failed to kill spinner") |
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self.spinner_proc = None |
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def __del__(self): |
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self.close() |
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def __exit__(self, exc_type, exc_value, traceback): |
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self.close() |
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if __name__ == "__main__": |
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import time |
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with Spinner() as s: |
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s.update("Spinner text") |
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time.sleep(5.0) |
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print("gone") |
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time.sleep(5.0) |
@ -0,0 +1,63 @@ |
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#!/usr/bin/env python3 |
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import os |
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import time |
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import subprocess |
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from openpilot.common.basedir import BASEDIR |
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class TextWindow: |
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def __init__(self, text): |
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try: |
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self.text_proc = subprocess.Popen(["./text.py", text], |
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stdin=subprocess.PIPE, |
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cwd=os.path.join(BASEDIR, "system", "ui"), |
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close_fds=True) |
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except OSError: |
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self.text_proc = None |
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def get_status(self): |
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if self.text_proc is not None: |
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self.text_proc.poll() |
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return self.text_proc.returncode |
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return None |
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def __enter__(self): |
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return self |
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def close(self): |
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if self.text_proc is not None: |
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self.text_proc.terminate() |
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self.text_proc = None |
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def wait_for_exit(self): |
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if self.text_proc is not None: |
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while True: |
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if self.get_status() == 1: |
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return |
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time.sleep(0.1) |
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def __del__(self): |
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self.close() |
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def __exit__(self, exc_type, exc_value, traceback): |
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self.close() |
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if __name__ == "__main__": |
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text = """Traceback (most recent call last): |
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File "./controlsd.py", line 608, in <module> |
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main() |
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File "./controlsd.py", line 604, in main |
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controlsd_thread(sm, pm, logcan) |
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File "./controlsd.py", line 455, in controlsd_thread |
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1/0 |
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ZeroDivisionError: division by zero""" |
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print(text) |
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with TextWindow(text) as s: |
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for _ in range(100): |
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if s.get_status() == 1: |
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print("Got exit button") |
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break |
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time.sleep(0.1) |
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print("gone") |
@ -1,58 +0,0 @@ |
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import threading |
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import time |
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import os |
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from typing import Generic, Protocol, TypeVar |
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from openpilot.common.swaglog import cloudlog |
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from openpilot.system.ui.lib.application import gui_app |
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class RendererProtocol(Protocol): |
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def render(self): ... |
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R = TypeVar("R", bound=RendererProtocol) |
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class BaseWindow(Generic[R]): |
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def __init__(self, title: str): |
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self._title = title |
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self._renderer: R | None = None |
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self._stop_event = threading.Event() |
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self._thread = threading.Thread(target=self._run) |
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self._thread.start() |
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# wait for the renderer to be initialized |
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while self._renderer is None and self._thread.is_alive(): |
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time.sleep(0.01) |
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def _create_renderer(self) -> R: |
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raise NotImplementedError() |
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def _run(self): |
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if os.getenv("CI") is not None: |
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return |
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gui_app.init_window(self._title) |
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self._renderer = self._create_renderer() |
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try: |
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for _ in gui_app.render(): |
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if self._stop_event.is_set(): |
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break |
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self._renderer.render() |
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finally: |
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gui_app.close() |
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def __enter__(self): |
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return self |
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def close(self): |
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if self._thread.is_alive(): |
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self._stop_event.set() |
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self._thread.join(timeout=2.0) |
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if self._thread.is_alive(): |
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cloudlog.warning(f"Failed to join {self._title} thread") |
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def __del__(self): |
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self.close() |
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def __exit__(self, exc_type, exc_val, exc_tb): |
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self.close() |
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