[apps/browser] investigate crash in docker

apps/browser/app.py

@@ -3,11 +3,13 @@
 from selenium.webdriver.common.by import By
 from selenium.webdriver.support.ui import WebDriverWait
 from selenium.webdriver.support import expected_conditions as EC
+from selenium.common.exceptions import WebDriverException
 
 import json
 import hal9 as h9
 import shutil
 import time
+import psutil
 
 from sitefind import site_find
 from siteuse import site_use
@@ -18,7 +20,6 @@ def take_screenshot():
   shutil.copy("screenshot.png", f"storage/screenshot-{int(time.time())}.png")
 
 chrome_options = Options()
-chrome_options.add_argument("--headless")
 chrome_options.add_argument("--no-sandbox")
 chrome_options.add_argument("--disable-dev-shm-usage")
 custom_user_agent = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36"
@@ -36,8 +37,11 @@ def take_screenshot():
     code = site_use(prompt, driver.current_url)
     exec(code)
     take_screenshot()
+  except WebDriverException as e:
+    print(f"Failed to use browser, driver details follow.\n```\n{code}\n```\n\n```\n{e}\n```\n")
+    print(f"Available Memory: {(psutil.virtual_memory().available/ (1024 ** 2)):.2f} MB")
   except Exception as e:
-    print(f"Failed to use browser, details follow.\n```{code}```\n\n```\n{e}```\n")
+    print(f"Failed to use browser, details follow.\n```\n{code}\n```\n\n```\n{e}\n```\n")
 
   prompt = h9.input("Taking screenshot, what next?")
 

apps/browser/requirements.txt

@@ -1 +1,2 @@
-selenium
+selenium
+psutil