Hack fix for selenium 3

changedetectionio/content_fetchers/webdriver_selenium.py

@@ -157,7 +157,17 @@ class fetcher(Fetcher):
                     import io
                     img = Image.open(io.BytesIO(screenshot_png))
                     # Convert to RGB if needed (JPEG doesn't support transparency)
-                    if img.mode != 'RGB':
+                    # Always convert non-RGB modes to RGB to ensure JPEG compatibility
+                    if img.mode in ('RGBA', 'LA', 'P', 'PA'):
+                        # Handle transparency by compositing onto white background
+                        if img.mode == 'P':
+                            img = img.convert('RGBA')
+                        background = Image.new('RGB', img.size, (255, 255, 255))
+                        if img.mode in ('RGBA', 'LA', 'PA'):
+                            background.paste(img, mask=img.split()[-1])  # Use alpha channel as mask
+                        img = background
+                    elif img.mode != 'RGB':
+                        # For other modes, direct conversion
                         img = img.convert('RGB')
                     jpeg_buffer = io.BytesIO()
                     img.save(jpeg_buffer, format='JPEG', quality=int(os.getenv("SCREENSHOT_QUALITY", 72)))

changedetectionio/translations/de/LC_MESSAGES/messages.po

@@ -2229,7 +2229,7 @@ msgstr "Über dem Preis, um eine Benachrichtigung auszulösen"
 #: changedetectionio/processors/restock_diff/forms.py:25
 #, python-format
 msgid "Threshold in %% for price changes since the original price"
-msgstr "Schwellenwert in % für Preisänderungen seit dem ursprünglichen Preis"
+msgstr "Schwellenwert in %% für Preisänderungen seit dem ursprünglichen Preis"
 
 #: changedetectionio/processors/restock_diff/forms.py:28
 msgid "Should be between 0 and 100"