Fix UberEats task stderr

flanabot/bots/flana_bot.py

@@ -164,7 +164,7 @@ class FlanaBot(Connect4Bot, PenaltyBot, PollBot, ScraperBot, UberEatsBot, Weathe
             if message.chat.config[config_name]:
                 await self.start_ubereats(message.chat)
             else:
-                self.stop_ubereats(message.chat)
+                await self.stop_ubereats(message.chat)
             button_text = f"ubereats (cada {flanautils.TimeUnits(seconds=message.chat.ubereats_seconds).to_words()})"
         else:
             button_text = config_name

flanabot/bots/ubereats_bot.py

@@ -20,6 +20,8 @@ from flanabot.models import Chat, Message
 class UberEatsBot(MultiBot, ABC):
     def __init__(self, *args, **kwargs):
         super().__init__(*args, **kwargs)
+        self.playwright: playwright.async_api.Playwright | None = None
+        self.browser: playwright.async_api.Browser | None = None
         self.tasks = {}
 
     # -------------------------------------------------------- #
@@ -30,13 +32,18 @@ class UberEatsBot(MultiBot, ABC):
 
         self.register(self._on_ubereats, 'ubereats', priority=2)
 
-    @staticmethod
-    async def _scrape_code(chat: Chat) -> str:
-        with flanautils.suppress_low_level_stderr():
-            async with playwright.async_api.async_playwright() as playwright_:
-                async with await playwright_.chromium.launch() as browser:
-                    context: playwright.async_api.BrowserContext = await browser.new_context()
+    async def _close_playwright(self):
+        if self.browser:
+            await self.browser.close()
+        if self.playwright:
+            await self.playwright.stop()
+
+    async def _scrape_code(self, chat: Chat) -> str:
+        self.playwright = await playwright.async_api.async_playwright().start()
+        self.browser = await self.playwright.chromium.launch()
+        context: playwright.async_api.BrowserContext = await self.browser.new_context()
         await context.add_cookies(chat.ubereats_cookies)
+
         page = await context.new_page()
         await page.goto('https://www.myunidays.com/ES/es-ES/partners/ubereats/access/online')
 
@@ -66,6 +73,8 @@ class UberEatsBot(MultiBot, ABC):
         chat.ubereats_cookies = await context.cookies('https://www.myunidays.com')
         chat.save()
 
+        await self._close_playwright()
+
         return code
 
     # ---------------------------------------------- #
@@ -113,12 +122,14 @@ class UberEatsBot(MultiBot, ABC):
         chat.config['ubereats'] = True
         chat.save()
         if (task := self.tasks.get(chat.id)) and not task.done():
+            await self._close_playwright()
             task.cancel()
         self.tasks[chat.id] = await flanautils.do_every(chat.ubereats_seconds, self.send_ubereats_code, chat, do_first_now=send_code_now)
 
-    def stop_ubereats(self, chat: Chat):
+    async def stop_ubereats(self, chat: Chat):
         chat.config['ubereats'] = False
         chat.save()
         if (task := self.tasks.get(chat.id)) and not task.done():
+            await self._close_playwright()
             task.cancel()
             del self.tasks[chat.id]